Mkfs xfs size
Mkfs xfs size. xfs constructs an XFS filesystem by writing on a special file using the values found. 4, “Increasing the Size XFS lets you choose the logical block size for each filesystem by using the -b size= option of the mkfs. It isn't the frequently used configuration in the Linux ecosystem, but can be used for You may be able to change the XFS file system size, but you cannot decrease the size of an EBS volume. The new file system can now be mounted to a directory of choice. The "-ssize=" option overrides the sector size value obtained from the underlying device. On x86_64, you will be limited to 4k. ext4 /dev/sdaX. If true, if the block device and filesystem size differ, grow the filesystem into the space. 3w次。mkfs. For the array above, it could also be specified as: mkfs -t xfs -d sunit=128 -d swidth=384 /dev/md0 [root@server ~]# mkfs. xfs -f -m reflink=1,rmapbt=0 -l version=2,size=2560b,su=64k /dev/sdf log size 2560 blocks too small, minimum size is 2688 blocks # mkfs. 39 (29-May-2006) Filesystem label= OS type: Linux Block size=4096 (log=2) Fragment size=4096 (log=2) 78856192 inodes, 157694024 blocks 7884701 blocks (5. In this tutorial, we will learn how to install the XFS package in Ubuntu, create xfs @instance That's wrong. ext3, or mkfs. xfs_growfs. 1+git20131019-1_amd64 NAME get_agsize - Get the best agsize for XFS DESCRIPTION The purpose of the get_agsize command is to get the best agsize (and implicitly agcount) for XFS. xfs command to format lvm, [root@linuxtechi ~]# mkfs. xfs -f -l size=256m,version=2 -s size=4096 /dev/sdX Where "sdX" is the device name. In the descriptions below, sizes are given in On Wed, Sep 12, 2018 at 09:15:09PM +0800, Eryu Guan wrote: > On Wed, Sep 12, 2018 at 07:04:04PM +0800, Zorro Lang wrote: > > xfs/119 fails on 4k hard sector size device if reflink (with/without > > rmapbt) is enabled: > > > > # mkfs. Here are some key features of the XFS file system:Scalability: XFS is designed to handle large amounts of data and very large file Use the -L flag of mkfs. xfs with those two values respectively. ext3 but again, this was the only thing that was out of the ordinary while doing this whole procedure on Ubuntu Server 22. That's a 256 Megabyte log and a 4k sector size. xfs I am getting: specified blocksize 4096 is less than device physical sector size 4194304 switching to logical sector size 512 meta-data=/dev/sdb isize=512 agcount=4, agsize=2097152 blks Linux filesystems are not allowed to be formatted to use a block size that is smaller than the underlying storage's 'logical_block_size'. However, it can still be enlarged using the xfs_growfs command (refer to Section 6. The block size is specified either as a base two logarithm value with log=, or in bytes with size=. The actual logsize depends on I think that the maximum size of the log is the minimum between XFS_MAX_LOG_BYTES and XFS_MAX_LOG_BLOCKS * block_size. xfs -b size=4k /dev/md0. Here, DEVICE is the thin LV. xfs -n size=8192 Red Hat Enterprise Linux 6. SYNOPSIS get_agsize [-v] cache_size(in GB) vol_size(in GB) 演示案例. minix(8), mkfs. 9ubuntu2. Only in this case after mkfs. This means that there is no need to predict the expected num-;LOGIN: OctOber 2009 XFs: the bIG stOrAGe FILe system FOr LINuX 13 Reducing the size of an XFS file system is not possible. In mkfs. You will need to create a new EBS volume, attach it to your instance, create a file system on the new EBS volume and then copy (migrate) the files from the old EBS volume to the new EBS volume. From man mkfs: This mkfs frontend is deprecated in favour of filesystem specific mkfs. LTP: failed to run mkfs. @Nate, The idea behind stripe size is aligned I/O (It is not just XFS which allows sunit/swidth, ext* allow it too) , if you have restriped and added/removed disks, you can specify different sunit/swidth to This series prototypes the concept of using an agcount=1 mkfs format to facilitate more dynamic growfs behavior. Run the following mkfs. mkfs command ¶ The mkfs (make file system) command allows you to create a Linux file system. This feature is only available for filesystems created with the (default) -m crc=1 option set. 04; partition; xfs; Share. [NOTE: This option is not implemented]-l | -L size Specifies that the log section of the I am encrypting XFS filesystem using OpenSSL 1. xfs(8) from Debian man pages XFS file system gives its user many advantages and is becoming one of the preferred file systems. BUGS¶ I did the following: $ mkfs. xfs a larger block size, but you will not be able to mount it if the block size is larger than PAGE_SIZE. parted /dev/sdb mklabel gpt unit TB. xfs promises issues mounting such volumes. xxx option. 6 GB, 3000592982016 bytes 255 heads, 63 sectors/track, 364801 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk If the -D size option is given, the data section is grown to that size, otherwise the data section is grown to the largest size possible with the -d option. 9 M Is this ok [y/d/N]: y from man: Note that the block size is specific to the current file descriptor opening the block device, so the change of block size only persists for as long as blockdev has the device open, and is lost once blockdev exits. <type> utils. device=external-journal Description of problem: if I remember correctly mkfs. xfs command to specify the size of each stripe unit and the number of units per stripe. xfs : -b block_size_options This option specifies the fundamental block size of the filesystem The valid block_size_options are: log=value or size=value and only one can be supplied. The Device parameter specifies a block device name, raw I have a special-purpose 12-disk volume, 48 TB total. It won't fit your hardware, but if you can change how much you can throw at this, it'll let xfs use nearly all the space to track symlinks. From man mkntfs:-f, --fast, -Q, --quick Perform quick (fast) format. XFS uses the information to align data, inodes, and journal appropriately [root@server]# mkfs. See man 8 xfs Command (m for help): p Disk /dev/sda: 26. 00 KiB Stripe 0: Physical volume /dev/sds Physical extents 0 to 114464 Stripe 1: Physical volume /dev/sdt Physical extents 0 to 114464 # The mkfs command stands for “make file system” is utilized to make a file system (which is, a system for organizing a hierarchy of directories, subdirectories, and files) on a formatted storage device usually, a partition on a hard disk drive (HDD) or it can also be a USB drive, etc. The existing contents of the Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site blocksize is the filesystem block size (see “Choosing the Filesystem Block Size” in Chapter 2), logsize is the size of the area dedicated to log records (see “Choosing the Log Type and Size” in Chapter 2), and partition is the device name or logical volume. Label or tune a file system tune2fs. The log section can be either separate from the data section or contained within it. Options-c cmd. In this tutorial, we’ll explore different methods to Find Out The Current Linux Disk Size. Open a terminal. Thanks in advance. xfs_metadump and xfs_mdrestore. mkpart primary 0TB 6TB. SEE ALSO¶ xfs(5), mkfs(8), mount(8), xfs_info(8), xfs_admin(8). xfs -f -d sunit=512,swidth=$((512*6)),agcount=16 /dev/sdb Warning: AG size is a multiple of stripe width. Using command xfs_check for me didn't solved. ext4. The new virtual hard drive is displayed as /dev/vdc, I created a new partition: fdisk /dev/vdc n p default +20G w Then I use mkfs to change the partition into XFS: mkfs. it shows me this: size 0 of data subvolume is too small, minimum 100 blocks. 42. -m crc=0 -i size=256 during the mkfs process will disable CRC support and halve your inode size. 4, “Increasing the Size of an XFS File System”). xfs command is used to create a new filesystem; the -b flag specifies the block size of the new filesystem. xfs also use the "I/O hints" to layout ondisk data structure and data areas relative to the underlying storage's 'minimum_io_size' and 'optimal_io_size' -- this allows filesystems to be Due to this limit checking, mkfs. ex3 /dev/sdb5 mkfs. . For more information, see Section 3. The memory block size set in all pre-compiled kernels of common distros is 4KB. Can anyone provide more insight on how to change the st_blocks. More specifically, we can grow the AG size of the filesystem up until a second AG is added, so therefore we can use the target growfs size to set a more suitable AG size at growfs time. Maximum Number of Files: 2**64. To find out the block size in kB of a given XFS file system, use the xfs_info utility: # xfs_info block-device data = bsize=4096 Due to this limit checking, mkfs. ext3 -f /dev/sdb5 mkfs. 0 uses XFS as the default filesystem, including support for using XFS for the /boot partition. However, there can be a better way to do this. See man 8 xfs Format the volume with the XFS filesystem: mkfs. But when I tried to format these with # mkfs. xfs_admin. 10. @Nils, the lazy-count is enabled by default on mkfs. , 1MB if using 1k blocks, 4MB if using 4k blocks, etc. XFS supports maximum file system size of 8 exbibytes for the 64-bit file system. ext3 /dev/sdb5 mke2fs 1. Hello, Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site How comes that the file system is xfs, whereas I asked it to be ext4? When I created the partition afterward using sudo mkfs. xfs to format a partition with the XFS file system using the command line. Example 3. xfs -d su=1024k,sw=8 /dev/sd{X} This can also be found on the XFS. That's because Linux will allow you to create an XFS partition with large block-sizes, but can only mount an XFS partition that has a block size at or smaller than the memory page size. xfs [ -b block_size] [ -d data_section_options] [ -f] [ -i inode_options] [ -l log_section_options] [ -n naming_options] [ -p protofile] [ -q] [ -r realtime_section_options] [ -s sector_size] [ -L label] [ -N] [ -K] device DESCRIPTION mkfs. xfs uses the 288K allocation alignment because lvs (well, device 文章浏览阅读1. To grow the XFS file system, use the command with the syntax below: sudo xfs_growfs -d size /mount/point. This dwarf‘s ext4‘s limits of 1 exabyte and 16GB respectively. The total number of buffer cache entries are limited to 8 times this amount. 7. xfs The sector size by default for mkfs. When I went on first installation Lubuntu, on partition it's says Unknown. Quota management # mkfs. For example, -l internal,size=100m and -l internal -l size=100m are equivalent. Create a directory named as xfs_test under /root and mount it using mount command. Top. 04? Is there a way to find out if reflink is already enabled on a I have XFS partition on "sda6". The default value is 4096 bytes (4 KiB), the minimum is 512, and the maximum is mkfs. xfs_info [ -t mtab] [ mount-point | block-device | file-image] xfs_info -V DESCRIPTION top xfs_info displays geometry information about an existing XFS filesystem. xfs(8) options, the realtime section is absent, and the log area is contained within the data section. Erik This command is only used to grow the size of a file system and shrinking cannot be done. Check it with getconf PAGE_SIZE. XFS; Create a file system mkfs. mkfs [ -b Boot] [ -l Label] [ -i i-Nodes] [ -o Options] [ -p Prototype] [ -s Size] [ -v VolumeLabel] [ -V VfsName] Device. 1,063 2 2 gold badges 13 13 silver badges 25 25 bronze badges. The size of the journal must be at least 1024 filesystem blocks (i. Add an entry in /etc/fstab: XFS lets you choose the logical block size for each filesystem by using the -b size= option of the mkfs. The defaults of the parameters for the newly created filesystem, if not overridden by the options listed below, are controlled by the /etc/mke2fs. Open man mkfs. 4. vFAT will likely fail if fatresize < 1. Step 5) Mount the xfs file system. Kafka's XFS notes state that. -e Allows the real-time extent size to be specified. xfsprogs and the mkfs. xfs -f -d agcount=64 -l size=128m,version=2 /dev/sdb1 to just reset the name. Using Ubuntu 22. To create the file system: If the device is a regular partition, an LVM volume, an MD volume, a Usually I don’t mess around with the parameters of mkfs. You can set it higher, but it requires compiling your own kernel. The default options for mkfs. Supported for ext2, ext3, ext4, ext4dev, f2fs, lvm, xfs, vfat, swap filesystems. If omitted, mke2fs automagically figures the file system size. An XFS filesystem has up to three parts: a data section, a log section, and a realtime section. xfs -b size=512 <device> Minimum block size for CRC enabled file systems is 1024 bytes Environment. xfs /dev/sdb1 specified blocksize 4096 is less than device physical sector size 131072 switching to logical sector size 512 meta-data=/dev/sdb1 isize=256 agcount=32, agsize=8191872 blks = sectsz=512 attr=2, projid32bit=0 data = bsize=4096 blocks=262139648, imaxpct=25 = sunit=32 swidth=256 blks naming =version 2 bsize=4096 Increasing the Size of an XFS File System; 8. Backup and Restoration of XFS File Systems; To create an XFS file system, use the mkfs. xfs /dev/md0 -f -L datavolume mkfs. 使用mkfs. The size is expressed in filesystem blocks. xfs -f -r rtdev=/dev/sdb1,extsize=4096 /dev/sda1. xfs-mkfs Version: 5. xfs -f -s size=4096 /dev/sda Or: # mkfs. $ sudo mkfs. Improve this question. It sudo yum install xfsprogs. xfs [ -b block_size ] [ -d data_section_options ] [ -f] [ -i inode_options ] [ -l log_section_options ] [ -n naming_options ] [ -p protofile ] [ -q] [ -r realtime_section_options ] [ -s sector_size ] [ -L label ] [ -N] [ -K] device DESCRIPTION mkfs. mkfs After an XFS file system is created, its size cannot be reduced. Type: For sunit=16 blks, 16 * 4096 block size = 64 KB, matches the stripe size. Check Status of our XFS partitions Check Continue reading Shrinking a XFS root Logical Volume partition Each of the option elements in the argument list above can be given as multiple comma-separated suboptions if multiple suboptions apply to the same option. Post by bct44 » Tue Dec 19, 2023 8:17 am. xfs utility to create a XFS type filesystem on the /dev/rl/scratch3 volume. The device argument is either the device name (e. xfs(8) man page:. To reserve an external journal with a specified size when you create an XFS file system, specify the -l logdev= device,size= size option to the mkfs. XFS supports block sizes ranging from 512 bytes to 64 KB in power-of-2 increments. The mkfs family of commands are used to build various filesystems like ext2, ext3, ext4, xfs btrfs etc right on top of a storage device or partition. Back up a file system dump and restore. ext4) the option -t XXX is implied; so mkfs. , mkfs. 8 GB, 26843545600 bytes 255 heads, 63 sectors/track, 3263 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00002158 Device Boot Start End Blocks Id System /dev/sda1 * 1 511 4096000 83 I have a special-purpose 12-disk volume, 48 TB total. $ mkfs -t ext4 -b 4096 /dev/vdb1 Mount to check the changed block size Run # mkfs. Syntax. Low-level format – It writes the basic structures and metadata needed to operate the MKFS(8) System Administration MKFS(8) NAME top mkfs - build a Linux filesystem The size argument is the number of blocks to be used for the filesystem. blocksize is the filesystem block size (see “Choosing the Filesystem Block Size” in Chapter 2), logsize is the size of the area dedicated to log records (see “Choosing the Log Type and Size” in Chapter 2), and partition is the device name or logical volume. If called as mkfs. Otherwise, the size suboption is only needed if the log section of the filesystem should occupy less space than the size of the special file. 13 (17-May-2015) # Creating filesystem with 26104 1k blocks and 65536 inodes # Filesystem UUID: 5f3e4453-1bfe-421b-9f76-8be13c74f4f1 # Superblock backups stored on Here is my setup: no partition, just LUKS1 and then XFS inside that. As per the previous discussion, there are mkfs. , stored inside the filesystem) of size journal-size megabytes. Infact: # mkfs. 3G 0 disk |-sda1 8:1 0 400M 0 part |-sda2 8:2 0 650M 0 part |-sda3 8:3 0 82. mkfs. XXX (i. 0-2 Description: Utility for creating XFS filesystems\\ \\ Installed size: 212kB Dependencies: libc, libuuid1, libpthread Categories: utilities---filesystem Repositories: community-packages Architectures: Using these numbers, we set the ‘su’ and ‘sw’ options in mkfs. ubuntu-12. The log section can be either separate from XFS is very good at manipulating large files and performs well on high-end hardware. The mount-point argument is the pathname of a directory where the filesystem is mounted. fat -F 32 /dev/sda1 gives me MIN RM SIZE RO TYPE MOUNTPOINTS sda 8:0 0 83. com (mailing list archive) State: > > * integer overflows of either value > * sunit and swidth alignment wrt sector size > * if either sunit or swidth are zero, It is currently not possible to reduce the size of a partition or logical volume with the xfs filesystem. ext4: "note that the kernel is able to mount only filesystems with block-size smaller or equal to the system page size - 4k on x86 systems, up to 64k on ppc64 or aarch64 depending on kernel configuration" Allows the real-time extent size to be specified. It is When using mkfs. Create filesystem to change new block size. inode size: 如果你需要使用 XFS 的扩展属性，则推荐将默认的 256 字节的 inode 大小修改为 512 字节. BUGS¶ While XFS itself does support block sizes up to 64KB, reflinking requires that the block size does not exceed the memory page size that the Linux kernel was compiled with (default is 4KB), otherwise man mkfs. 1 Release Notes. xfs -r extsize=4096 /dev/sda1. xfs -f -l size=2039m /dev/md0 log size 2138046464 bytes too large, maximum size is 2136997888 bytes Usage: mkfs. 5. XFS Will only grow if mounted. xfs -i size=1024 /dev/vdc1 I have a 9TB XFS partition consisting of four 3TB disks in a RAID-5 array with a chunk size of 256KB, using MDADM. msdos(8), mkfs. bct44 Veeam Software Posts: 137 Liked: 36 times Joined: Thu Jul 28, 2022 12:57 pm. 04. Linux Create 6TB partition size. RHEL 5. This command creates a new filesystem on /dev/md0, with a block size of 4 KB. 04, do I need to format a drive using a command like: sudo mkfs. ntfs or mkntfs. xfs -b size=4096 -m reflink=1,crc=1 /dev/sdb or is reflink enabled by default in Ubuntu 22. (Physical disk blocks remain 512 bytes. A write barrier assures file system consistency on storage hardware that supports flushing An XFS filesystem can reside on a regular disk partition or on a logical volume. xfs -s size=4096 /dev/md8. This can cause performance problems by aligning all AGs on the same disk. xfs: sanity check stripe geometry from blkid. @Nate, The idea behind stripe size is aligned I/O (It is not just XFS which allows sunit/swidth, ext* allow it too) , if you have restriped and added/removed disks, you can specify different sunit/swidth to mount for xfs. xfs will try to select a suitable log size depending on the size of the filesystem. xfs: Filesystem must be larger than 300MB Snippet of test failure 57 / * data subvol * / [-d agcount = n,agsize = n,file,name = xxx,size = num, 58 (sunit = value,swidth = value|su = num,sw = num|noalign), 59 sectsize = num 60 / * force overwrite * / When working with ext4 partitions in Linux, we may sometimes find the need to format a partition quickly. I did the following: $ mkfs. It is invoked automatically by mkfs (8) when it is. But apparently mkfs. xfs selects a journal size based on the size of the file system. boolean. The size of the image file is determined by the size and number of blocks we add to it. Procedure. If you don’t specify the size, mkfs will use the device’s entire size. When the option -m crc=0 is used, the reference count btree feature is not supported and reflink is disabled. xfs, regarding 512B units. xfs Optimal allocation policy is a complex problem, as it depends on how the various block layer interact between themselves. The only thing that was odd was I previously formatted the partition with mkfs. xfs block-device If the information is incorrect, specify stripe geometry manually with the su and sw parameters of the -d option. xfs. If you omit the size parameter, mkfs. If you want the best performance, skip XFS and go ZFS with a 1MB record size. The following example configuration file sets the block size to 4096 bytes, turns on reverse mapping btrees and sets the inode size to 2048 bytes. The statistic he wants is sectorsize which is "the minimum data block allocation unit" which is how large the chunks are in file allocation. The following example shows the command line used to create an XFS Saved searches Use saved searches to filter your results more quickly According to man mkfs. xfs command comes with several parameters that allow you to customize the file system. Fast recovery, fast transactions, delayed allocation for reduced fragmentation and near raw I/O performance with DIRECT I/O. 4096 bytes). For example, an XFS file system's size can be increased, but it cannot reduced. Last edited by Zzipo (2013-04-03 23:09:41) XFS is a high-performance journaling file system designed for Unix-like operating systems. ext4 -F -b 4096 /dev/sda In any case, most mkfs variants will also display the used block size mkfs は、選択した特定のファイル システムでディスクまたはパーティションをフォーマットするための Linux のコマンド ライン ツールです。 mkfs 内の文字は「make file system」を表します。このコマンドは、Linux でストレージ デバイスを管理するためによく使用されます。 mkfs Yes, mkfs. The -f option is needed if the partition has any other file system created on it, and you want to overwrite it. mkfs. I'm thinking this metadata size is probably intended to accomodate tens of millions of inodes, whereas I use only large files and would need 1-2 If you would like to format a partition as NTFS, please use mkfs. To do so, you would specify the su and sw arguments to the -d mkfs. The default block size in most Linux filesystems - 4096 bytes. # mkfs. 0. The exit code returned by mkfs is 0 on success and 1 on failure. ext4 /dev/sda3 for mounting I get /dev/sda3 is apparently in use by the system; will not make filesystem here! # mkfs. Equivalently, each main option can be given multiple times with different suboptions. The actual logsize depends on the filesystem block size and the directory block size. xfs, mount, start using. That's why they recommend ReFS over NTFS and 64K cluster size, which is the max supported. xfs - construct an XFS filesystem SYNOPSIS mkfs. vfat(8), mkfs. xfs -d su= 64k,sw= 4 /dev/sda3 A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more. -- mkfs. Share. example: mkfs. But you can also explicitly specify it via an option, for instance: # mkfs. A partition is logically an autonomous part of an HDD. xfs /dev/vg00/lv00 – Mount the partition to a directory # mkdir /test # mount /dev/vg00/pv00 /test If the -D size option is given, the data section is grown to that size, otherwise the data section is grown to the largest size possible with the -d option. xfs(8) this is specified with -r extsize=nnnn. The XFS filesystem thus has to be created with the sector size more than or equal to the logical sector size. An organized segment is one Stack Exchange Network. fstype) available under Linux. The XFS lets you choose the logical block size for each filesystem by using the -b size= option of the mkfs. If you plan to fill a partition with several small files, you can reduce wasted "tail" space by shrinking blocksize The XFS is a high-performance 64-bit journaling file system. This makes it possible to decode the otherwise confusing text in the mkfs. Resize a file system resize2fs. However, this is not recommended since AG/inode clusters and An XFS filesystem can reside on a regular disk partition or on a logical volume. Valid sizes for version 2 Yes, mkfs. xfs /dev/sdb1 This command will generate output that details the parameters of the new XFS file system, including the size of the file system, the block size, and the inode size. So, to format mkfs. xfs_repair. Why? So I started to google and in parallel asked on #xfs@freenode. Attempts to resize other filesystem types will fail. -i The new log is an internal log (inside the data section). 9. xfs-V DESCRIPTION mkfs. The log section can be either separate from xfs-mkfs Version: 5. However, the current implementation If so, I will only modify the mkfs. The file system-specific builder is searched for in a number of directories like perhaps /sbin , /sbin/fs , /sbin/fs. The log section can be either separate from Package: xfsprogs Version: 2. I think that you can easily find people with 100's of terabytes in production use. Save an image of a file system e2image. Earlier versions of xfs used a built-in libdisk and the GET_ARRAY_INFO ioctl to gather the information; newer versions make use of enhanced geometry detection in libblkid. xfs /dev/vg_xfs/xfs_db. xfs(8) time with the -b option. Under rare circumstances it can also be used to modify an XFS filesystem, but that task is normally left to xfs_repair(8) or to scripts such as xfs_admin(8) that run xfs_db. Follow answered Jan 23, 2018 at See the mkfs. in the arguments of the command line. ext3 utility with 4K blocks and the -F option: If the log is contained within the data section and size isn't specified, mkfs. Lubuntu didn't fixed. However, it can still be enlarged using the xfs_growfs command. xfs block-device; If the information is incorrect, specify stripe geometry manually with the su and sw parameters of the -d option. xfs on a block device containing an existing file system, add the -f option to overwrite that file system. Product Management Analyst @ Veeam Software. For example: # mkfs. xfs -s size=4096 /dev/device; ZFS: # zpool create -o ashift=12 poolname raidz device0 deviceN; See also. ext4 /dev/sdb1, the partition was then marked as ext4, but I wonder how this xfs appeared. xfs command to create an XFS file system, for example. The -d size specifies the size to grow to. In determining the optimal allocation policy, mkfs. Multiple -c arguments may be given. If you know that the default limit will be insufficient ahead of time, you can increase the percentage of file system space allowed for inodes with the mkfs. man xfs_growfs, which doubles as the manpage for xfs_info, spells out how the units for xfs_info are XFS; Create a file system mkfs. e. Step 6) Extend the size of xfs file system. Here, extsize is the size of an extent on the realtime device. You can mkfs. xfs are good for optimal speed, so the simple command: # mkfs. xfs on the md device, it reports: sectsz=512 bsize=4096 I corrected this with a call of mkfs. " Failure to align one's HDD results in poor read/write performance. ZFS, Raiser4 - do; XFS, Ext2/3/4 - don't. The su parameter specifies the RAID chunk size, and the sw parameter specifies the number of data disks in the RAID device. By default, the mkfs. And I have to add a new XFS file system on a new virtual hard drive. xfs and mastering the XFS file system. This option $ man mkfs. xfs -i size=512 /dev/mydevice block size: block size 默认值为 4096 字节，增加该值可以降低 I/O 次数，提升性能. xfs constructs an XFS filesystem by writing on a special file using the Hello everyone, welcome to my informative guide on using mkfs. In its simplest (and most commonly used form), the size of the filesystem is determined This procedure describes how to create an XFS file system on a block device. Unable to create xfs filesystem with 512 bytes block size: # mkfs. Repairing an XFS File System; 8. resizefs . 2> then resize Modern filesystems like XFS have a functionality called "inline", where files small enough (no more than 60 bytes) can be stored in the inode, in the space taken to store mkfs. 4 LTS) Request for free space that satisfies a specific size and locality Apart from the range of the required free space length, the caller provides a realtime extent number around which the free space has to be allocated. Re: Linux Hardened Repository block size. ext3 /path/. We're using the bs (block size) option to request a block size of 1 MB and the count option to request 250 blocks. Currently, the module is based on Now let‘s dive into actually creating EXT4 filesystems using mkfs. xfs(8) so that there is normally a small number of equal-sized groups. xfs -f -i size=512 -l size=128m,lazy-count=1 -d agcount=16 /dev/sdb1 -i size=512 : 默认的值是256KB，当内容小于这个值时，写到inode中，超过这个值时，写到block中。-l size=128m :注意是小写的m，不是大写的。默认值的是10m，修改这个参数成128m，可以显著的提高xfs文件系统删除文件的速度，当然 The realtime section is divided into a number of extents of fixed size (specified at mkfs. 8. xfs command. xfs -f -m reflink=1,rmapbt=0 -l version=2,size=2560b,su=64k /dev/sdf > > log size 2560 blocks too small, minimum size is Replace file-system with the mount point of the XFS file system. ext4 options: (-b 4096 -E stride=16,stripe-width=96 for RAID0 tests) ext4 mount options: -o noatime,user_xattr; During the tests, collectl was used to record various system performance statistics, and perf was used to gather profiling Relax-and-Recover (ReaR) Issue Template Fill in the following items before submitting a new issue (quick response is not guaranteed with free support): ReaR version ("/usr/sbin/rear -V"): Relax-and mkfs. EXT4 Dear reader, welcome to this comprehensive guide on using mkfs to create high-performance XFS filesystems on Linux! XFS originated at Silicon Graphics in the early 1990s as their custom filesystem for high-end servers and workstations. The mkfs. The following example shows the command line used to create an XFS To maximize throughput for XFS file systems that you create on an underlying striped, software or hardware-based array, you can use the su and sw arguments to the -d option of the mkfs. I was able to proceed with mkfs. Now, the RHEL 7. xfs /dev/vg0/lv0 meta-data=/dev/vg0/lv0 isize=256 agcount=32, agsize=8473312 blks = sectsz=512 attr=2, projid32bit=0 data = bsize=4096 blocks=271145984, imaxpct=25 = sunit=0 swidth=0 blks naming =version 2 bsize=4096 ascii-ci=0 log =internal log bsize=4096 blocks For most efficient operation, especially with striped RAID setups like RAID5, you need to tell the filesystem what the controllers stripe size is so it can align its structures in a way that avoids them overlapping the edge of RAID stripes: for XFS this is done by giving the sunit= or su=options when you create the filesystem (see man mkfs. Overview of the MKFS Command. ext4 and the partition was formatted ext3 (I’m going to assume I accidentally typed mkfs. xfs fails on pmem devices (regardless of the filesystem block size being used). However, the most common practice is to partition the journal drive (often an SSD), and mount it such that Ceph uses the entire partition for the journal. It is very probable that mkfs. xfs -b size=4096 /dev/xvdf meta-data=/dev/xvdf isize=256 agcount=4, agsize=131072 blks = sectsz=512 attr=2, projid32bit=1 = crc=0 finobt=0 data = bsize=4096 blocks=524288, imaxpct=25 = sunit=0 swidth=0 blks naming =version 2 bsize=4096 ascii-ci=0 ftype=0 log =internal log bsize=4096 blocks=2560, version=2 = If you omit the size parameter, mkfs. xfs would look into device and take care of stips and stripes. If mke2fs is run as mkfs. With the -D option, replace new-size with the desired new size of the file system specified in the number of file system blocks. conf configuration file. xfs -n size=65536 I am looking for more details on the “-n size=65536” option in mkfs. Using the default mkfs. answered Dec 27, 2011 at 19:30. Western Digital’s Advanced Format: The 4K Sector Transition Begins; White paper entitled "Advanced Format Technology. Each file in the realtime section has an extent size that is a multiple of the realtime section extent size. xfs reports sunit and swidth: Note that xfs_info and mkfs. xfs constructs an XFS filesystem by writing on a special file using the values found in the arguments of the command line. (SGI), it was initially deployed on their IRIX operating system and later ported to Linux and other Unix-based systems. If the log is contained within the data section and size isn't specified, mkfs. Low-level format – It writes the basic structures and metadata needed to operate the mkfs. xfs -f -m reflink=1,rmapbt=1 -l version=2,size=2560b,su=64k /dev/sdf log size 2560 blocks too small, minimum size is 4368 By default, mkfs. The filesystem sections are divided into a certain number of blocks, whose size is specified at mkfs. 11-1 Platform: 32bit x86 It seems that mkfs. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. -n No modify mode. xfs /dev/md2 -f -L tempdb It's possible to configure the XFS filesystem to be case insensitive when creating and formatting the XFS volume. ext4 command in Linux performs a full format, which can be time-consuming for large partitions. Developed by Silicon Graphics, Inc. Description. The mkfs command makes a new file system on a specified device. 7 and earlier was 100TiB. xfs –f -b size=4096 -m reflink=1,crc=1 /dev/sda size=journal-size Create an internal journal (i. The inode size is set to 512 bytes to accommodate for the extended attributes used by GlusterFS. d , /etc/fs , /etc (the precise list is defined at compile time but at least contains /sbin and /sbin/fs ), and Stripe size = 1M = 1024kB. ) For XFS filesystems on disk partitions and logical volumes and for the data subvolume of filesystems on logical volumes, the block size guidelines are as follows: Massive Scalability – XFS filesystems can scale up to 8 exabytes (that‘s over 8 billion GB!) with a maximum file size of 16 terabytes. 6. Get a virtual cloud desktop with the Linux distro that you want in less than five minutes with Shells! With over 10 pre-installed distros to choose from, the worry-free installation life is here! Whether you are a digital nomad or just looking for flexibility, Shells can put your Linux machine on the device that you want to use. According to XFS FAQ, it is not possible to reduce a XFS volume The only way to shrink it is to do a complete dump, mkfs and restore. ag_stride=ags_per_concat_unit This What is a better question is what is the maximum size XFS file system people have in production (even better, people who have your same work load). Back up a file system tar and rsync. xfs, because mkfs. 7 and earlier was The following examples shows how you would create an XFS file system with a stripe-unit size of 32 KB and 6 units per stripe. We have got many requests to make a tutorial on creating XFS filesystem on Ubuntu as by default XFS package is not present in Ubuntu. xfs [ -b block_size_options] [ -m global_metadata_options] [ -d data_section_options] [ -f] [ -i inode_options] [ -l log_section_options] [ -n naming_options] [ -p protofile] [ -q] [ -r realtime_section_options] [ -s sector_size_options] [ -L label] [ -N] [ -K] device mkfs. The actual free space is for all practical purposes unlimited, but EFS is also the most expensive -- if you did have a 52 An XFS filesystem can reside on a regular disk partition or on a logical volume. It is invoked automatically by mkfs(8) when it is given the -t xfs option. In general, the output on xfs: st_blocks: 128 st_blocks: 128 st_blocks: 8. The default size is set to use up the remainder of 75% of the system's physical RAM size. , /dev/hda1 , /dev/sdb2 ), or a regular file that shall contain the filesystem. print Quit I am using the same command on ubuntu successfully. The question is the memory allocation this option generates. Visit Stack Exchange Uses tools related to the fstype (mkfs) If yes, if the block device and filesystem size differ, grow the filesystem into the space. It defaults to 4K on most systems because it XFS imposes an arbitrary limit on the number of files that a file system can hold. xfs(8) time). Make sure the file system you want to change is mounted. See Wikipedia:Comparison of file systems#Resize capabilities and the respective file system documentation for details. However, there are ways to perform a quick format on an ext4 partition to save time. xfs(8) this is specified with -r XFS . xfs options: -f -i size=2048 (-d su-64k, sw=6 for RAID0 tests) xfs mount options: -o noatime; mkfs. Type the following command: # fdisk -l /dev/sdb Sample outputs: Disk /dev/sdb: 3000. This will give us a file system of 250 MB. In actuality, mkfs is simply a front-end for the various filesystem builders (mkfs. For swidth=48 blks, swidth / sunit = 3, which is the number of data drives in the array, excluding parity drives. Quota management XFS has features that make it suitable for very large file systems, supporting files up to 8EiB in size. So there is 4 TB metadata overhead, almost 10%. xfs_info and mkfs. ext3 will create a file system for use with ext3, mkfs. lvreduce XFS? It's true, but the scalability of If fs-size is omitted, mke2fs will create the file system based on the device size. But still I get the same output on XFS. xfs(8) REPORTING BUGS top For bug reports, use the Rather than "strip size" and "stripe size", the XFS man pages use the terms "stripe unit" and "stripe width" respectively. btrfs. ext[234] and mkfs. xfs can't (properly) create a filesystem on a block device which has a sector size other than 512bytes. For NTFS, you can add the -f or -Q flag to perform a quick format. xfs /dev/md1 -f -L logvolume mkfs. In the descriptions below, sizes are given in mkfs. org. In general, this limit is high enough that it will never be hit. xfs命令时，一般默认回车就可以了，使用系统默认的; 演示案例1：使用gdisk新建一个sda2新分区，并格式化成为xfs文件系统 演示案例2：设置CPU的数量 有时我们为了使用多个数据流来读写系统，以增加速度，需要设置多个agcount数量，agcount与CPU的 – Create a volume group with an extent size of 16M: # vgcreate -s 16M vg00 /dev/sdb1 – Create logical volume with size of 800M (50 extents) # lvcreate -L 800M -n lv00 vg00 – Convert the logical volume to xfs file system # mkfs. Makes a file system. You can access the same information issuing lsblk -t. xfs /* blocksize */ [-b log=n|size=num] /* data subvol */ [-d agcount=n,agsize=n,file,name=xxx,size With a default mkfs. Run following set of commands, For the permanent mounting , add the entry in /etc/fstab file. xfs uses the information provided by libblkid. # Example mkfs. Best, Fabian. Some key points about mkfs:. x. The XFS filesystem has a After an XFS file system is created, its size cannot be reduced. xfs: Specified data stripe width 36864 is not the same as the volume stripe width 512 meta-data=/dev/sdb isize=512 agcount=66, agsize=268435200 blks = sectsz=4096 attr=2, projid32bit=1 = crc=1 finobt=1 xfs/119 fails on 4k hard sector size device if reflink (with/without rmapbt) is enabled: # mkfs. ext3: invalid fragment size - /dev/sdb5 it was not working in RHEL5 when I tried without -f its work. To mount the XFS file system so that it uses the external journal, specify the -o logdev= device option to the mount command. Kendall Kendall. It is invoked automatically by mkfs (8) when it is given the -t The block size is specified either as a base two logarithm value with log=, or in bytes with size=. It is invoked automatically by mkfs (8) when it is given the -t The number and size of the allocation groups are chosen by mkfs. xfs -b size=4096 -m reflink=1,crc=1 /dev/sda1. The mkfs command initializes the volume label, file system label, and startup block. After mkfs with default parameters, mounting using inode_64, the reported available space for files is 44 TB. It is Today, my XFS creation and mount options look like: mkfs. List of options to be passed to mkfs command. ) For XFS filesystems on disk partitions and logical volumes and for the data subvolume of filesystems on logical volumes, the block size guidelines are as follows: mkfs. 2G 0 part results Provided by: flashcache-utils_3. You signed out in another tab or window. But you can mkfs. 1. xfs report them in multiples of your basic block size (bsize) and not in 512B We need to create xfs file-system on kafka disk The special thing about kafka disk is the disk size kafka disk have 20TB size in our case I not sure about the following mkfs , but I need advice sudo mkfs -t xfs /dev/nvme1n1 Then create a folder in current directory and mount the nvme drive: The size limit for any one file in EFS is 52 terabytes, and your instance will actually report 8 exabytes of free space. File system check e2fsck. xfs /dev/md2 -f After an XFS file system is created, its size cannot be reduced. xfs -b size=4096 /dev/xvdf meta-data=/dev/xvdf isize=256 agcount=4, agsize=131072 blks = sectsz=512 attr=2, projid32bit=1 = crc=0 finobt=0 data = bsize=4096 blocks=524288, imaxpct=25 = sunit=0 swidth=0 blks naming =version 2 bsize=4096 ascii-ci=0 ftype=0 log =internal log bsize=4096 blocks=2560, version=2 = The mkfs. Specifies overrides the default buffer cache hash size. Message ID: a673fbd3-5038-2dc8-8135-a58c24042734@redhat. Now you are ready to The system is Ubuntu, a KVM virtual machine under CentOS (host). xfs is smart enough to find near to optimal parameters for your filesystem. xfs will create reference count btrees and therefore will enable the reflink feature. ) For XFS filesystems on disk You have to use resize2fs command for that purpose (To change the size of file system) 1> formate the filesystem. XFS uses the information to align data, inodes, and journal appropriately Usually I don’t mess around with the parameters of mkfs. com (mailing list archive) State: Accepted : Headers: show Each of the option elements in the argument list above can be given as multiple comma-separated suboptions if multiple suboptions apply to the same option. The default values are 4-KB blocks and a 1000-block log. Next, format the partition as XFS using mkfs. The default value is 4096 bytes (4 KiB), the minimum is 512, and the maximum is 65536 (64 On current linux distributions, programs (that should care about the optimal sector size) like mkfs. From my old notes, long time ago: --- Segments --- Logical extent 0 to 228929: Type striped Stripes 2 Stripe size 64. Edit: Testing a bit around I noticed following things: It seems that the initial resync is done with a block size of 128k (and not 512 bytes): To expand on the answer provided by @gilles, here's one way to create a disk image containing a formatted filesystem by first creating a filesystem (of type ESP in this example) within a file and then assembling that to a valid disk image; no XFS, like every most other Linux filesystems, is limited to a maximum of PAGE_SIZE filesystem block size. Each allocation group contains several An XFS filesystem can reside on a regular disk partition or on a logical volume. sunit=value This is used to specify the stripe unit for a Limit ext3 ext4 XFS max file system size 16 TiB 16 TiB 16 EiB max file size 2 TiB 16 TiB 8 EiB max extent size 4 kiB 128 MiB 8 GiB max extended attribute size 4 kiB 4 kiB 64 kiB mkfs time. In this section, I will provide you with a step-by-step tutorial on how to use mkfs. xfs with no parameters (although I have seen in other webs they use -b 4096) but in the wiki of ArchLinux says better without parameters. xfs_db is used to examine an XFS filesystem. 0-2 Description: Utility for creating XFS filesystems\\ \\ Installed size: 212kB Dependencies: libc, libuuid1, libpthread Categories: utilities---filesystem Repositories: community-packages Architectures: However, the faq tell us about a catch in how mkfs. Run # mkdir /mountpoint to create a directory to link the brick to. mkfs is used to build a Linux filesystem on a device, usually a hard disk partition. given the -t -i maxpct=90 during the mkfs process will create a new volume that can use 90% of space as inodes. xfs /dev/vg0/lv0 meta-data=/dev/vg0/lv0 isize=256 agcount=32, agsize=8473312 blks = sectsz=512 attr=2, projid32bit=0 data = bsize=4096 blocks=271145984, imaxpct=25 = sunit=0 swidth=0 blks naming =version 2 bsize=4096 ascii-ci=0 log =internal log bsize=4096 blocks They suggest 64K cluster size (there is a slight difference in clusters and blocks) because you're interested in large, sequential throughput with as little filesystem overhead as possible. This will skip both zeroing The size argument is the number of blocks to be used for the filesystem. Valid sizes for version 1 and version 2 logs are 16384 (value=16k) and 32768 (value=32k). ext3 /path/ or mkfs -t . -i File systems can have a block size from 512 to (usually) 65536 bytes. The log section can be either separate from size=value This is used to specify the size of the log section. XFS has been tested on volumes hundreds of TiB in size for years. In actuality, mkfs is simply a front-end for the various file system builders (mkfs. Reload to refresh your session. To mount the XFS file system so that it uses the external journal, specify the -o Now let‘s dive into actually creating EXT4 filesystems using mkfs. Using the-d command without specifying the size will grow to the maximum size supported by the device. Increase the size of the file system using the xfs_growfs command. XFS is the default file system for data partitions in SUSE Linux Enterprise Server. Thread-topic: mkfs. xfs will pick the optimal sector size by default (e. The number of allocation groups controls the amount of Red Hat Enterprise Linux 6. For Red Hat, we support production use of 100TB per About XFS file system Starting with RHEL 7 and consequently Oracle Linux 7, XFS has become the default file system. The block size can be specified as mkfs. The previous maximum supported XFS file system size in RHEL 6. Common Command Parameters. The defaults of The Linux operating system is able to use different file systems (ext2, ext3, ext4, FAT16, FAT32, NTFS, HFS, BtrFS, JFS, XFS, ). xfs /dev/device command. Toggle navigation Patchwork XFS devel Patches Bundles About this project Login; Register; Mail settings; 12800925 diff mbox series [V2] mkfs: increase the minimum log size to 64MB when possible. g. Suspending an XFS File System; 8. osd_mkfs_options_xfs =-f-d agcount=24 mkfs. When booting Lubuntu it's says that should be fix and trying on boot to fix XFS filesystem. xfs . Accept installation of XFS Utilities by pressing the y key in your keyboard:Transaction Summary ===== Install 1 Package Total download size: 895 k Installed size: 3. ext4 by mkfs. Provided by: xfsprogs_3. org FAQ. xfs defaults should be sufficient. When I created the partition, the optimal stripe unit and width values (64 and 192 as does mkfs. To confirm, the disk was set up like so: disk is installed, luksFormat, luksOpen, mkfs. xfs: Format the filesystem; xfs_admin: Change the parameters of the filesystem; xfs_growfs: Decrease the size of the filesystem; xfs_repair: Check and repair the filesystem; xfs_freeze: Suspend access to an XFS filesystem; this makes consistent backups easier; xfs_copy: Fast copy the contents of an XFS filesystem; To create an XFS filesystem, use: mkfs. Message ID: a8bc42f2-98db-2f16-2879-9ed62415ba01@redhat. Follow edited Dec 27, 2011 at 19:43. If you've a 4-disk RAID 5 and are using a chunk size of 64 KiB, the command to use is: mkfs -t xfs -d su=64k -d sw=3 /dev/md0 Alternately, you may use the sunit/swidth mkfs options to specify stripe unit and width in 512-byte-block units. xfs -f -i size=1024 /dev/sdb1. ) and may be no more than 102,400 filesystem blocks. xfs -d sw=6,su=3145728 /dev/sdb mkfs. Then I explored about xfs and found an option for changing the extent size while running mkfs. 1. Follow edited Apr 20, 2015 at 9:26. 8 or newer is required for 300TiB XFS file system support on RHEL 6. It is now also the default file system in RHEL 7. ext3 a journal is created as if the -j option was specified. 2 (cannot update) and AES-256 in ctr mode (using sector number as a IV). xfs: Specified data stripe unit 6144 is not the same as the volume stripe unit 512 mkfs. 2 @Nils, the lazy-count is enabled by default on mkfs. xfs utility automatically select the best stripe size and stripe width for underlying devices that support it, such as Linux software RAID devices. Speed – The XFS architecture significantly accelerates I/O operations, driving up to 3x faster throughput than ext4 in large file workloads according to OpenBenchmarking. sudo mkfs. When you issue this command, adjust the number of blocks to suit your needs and the spare capacity you have on your Linux XFS. If LOG-SEC is 512, and PHY-SEC is 4096, you should use 4096. So, you will want to stick with 4KB blocks, as per the Veeam documentation. xfs -f -L /partitionname -d agcount=64 -l size=128m,version=2 /dev/sdb1 but noticed that enough without Label with UUID, while the old when RHEL used partition labels, as discussed here: mkfs. 00%) reserved . Here are a few common ones: On current linux distributions, programs (that should care about the optimal sector size) like mkfs. Striped Block Purpose. Let’s look at a simple example of using the mkfs command: mkfs -t ext3 /dev/sdb2 # Output: # mke2fs 1. xfs_db commands may be run interactively (the default) or as arguments on the command line. First of all, what block size do I use for badblocks? Seems like: How can I choose optimal values for block size and blocks number for badblocks? When using Filestore, the journal size should be at least twice the product of the expected drive speed multiplied by filestore_max_sync_interval. The following example expands the size of the file system to the maximum value available. Designed for extremely large storage sizes and maximum throughput, XFS pioneered concepts like B+ tree directories, You signed in with another tab or window. xfs -f -i size=512 -n size=8192 -d su=128k,sw=10 DEVICE to format the bricks to the supported XFS file system format. A quick review of XFS’s key features explains why it might prove to be a strong competitor for other journaling file systems in high-end computing. udf -b 4096 /dev/device; XFS: # mkfs. As a possible workaround in some environments, thin provisioned LVM volumes can be considered as an additional layer below the XFS filesystem. It is invoked automatically by mkfs (8) when it is given the -t mkfs. xfs interpret sunit and swidth as being specified in units of 512B sectors; that's unfortunately not the unit they're reported in, however. Mount options are typically: noatime,logbufs=8,logbsize=256k,nobarrier Those are no access-time, no write barriers, and modified log buffer/block sizes. xfs -r option, and refer to xfs(5) for a detailed description of the XFS realtime section. When in doubt use PHY-SEC for The size may be specified in bytes, or in kibibytes (KiB) with a "k" suffix. The XFS file system is known for its high-performance and scalable design, making it an excellent # mkfs. The block-device or file-image contain a raw XFS filesystem. I'm thinking this metadata size is probably intended to accomodate tens of millions of inodes, whereas I use only large files and would need 1-2 Using the default mkfs. xfs constructs an XFS filesystem by writing on a special file using the Reducing the size of an XFS file system is not possible. The XFS filesystem has a significant amount of auto-tuning in place, so it does not require any change in the default settings, either at filesystem creation time or at mount. ext4 to specify a file system label. xfs -f /dev/sdb1. This mkfs frontend is deprecated in favour of filesystem specific mkfs. To create an XFS file system¶ Here you will use the mke2fs program to create a XFS file system on the new scratch3 volume. Improve this answer. To create an Ext3 file system larger than 8 TiB, you might need to use the mkfs. Lots and lots of tiny files are more challenging than very large video files for example. xfs wanted to use a log stripe unit of 512 kiB, although its maximum size for this is 256 kiB. xfs constructs an XFS You can use the mkfs. Supported for bcachefs, btrfs, ext2, ext3, ext4, ext4dev, f2fs, lvm, xfs, ufs and vfat filesystems. xfs configuration file [block] size=4k [metadata] rmapbt=1 [inode] size=2048. ext2, mkfs. You switched accounts on another tab or window. ext4 will create a file system for use with ext4, and so on. About XFS Write Barriers. You can use the mkfs. Red Hat Enterprise Linux (RHEL) 5; Red Hat Enterprise Linux (RHEL) 6; Red Hat Enterprise Linux (RHEL) 7 To maximize throughput for XFS file systems that you create on an underlying striped software or hardware based array, you can use the su and sw arguments to the -d option of the mkfs. i don't understand what is hapening any help would be aperciated. xfs is the advertised sector size of the device. 1_amd64 NAME mkfs. On Lubuntu it's corrputed, won't fix and won't mount XFS partition on 13. xfsdump and xfsrestore. Use the mkfs.
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