XFS is a file system originally for SGI's IRIX OS, but is now available for Linux. It is known for handling large files and large file systems well, one of the few Linux file systems that can handle partitions over 16.8TB.

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Debian package performance on XFS, btrfs, ext3, ext4

I did 4 clean installations of debian 6 and measured time of installing some average virtual package. FS options are default. time apt-get install build-essential I got very strange results ...
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XFS: No space left on device

I am using XFS on small HDD (/dev/sdb1, less than 150G) and storing many small files (-32KB). df -h and -i show that it has available space. # df -hv Filesystem Size Used Avail Use% ...
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1answer
58 views

Shrinking or removing home partition in CentOS 7 installation [closed]

I made the mistake of creating a home partition that fills up all my disk space, and it's formatted in XFS, which to my knowledge isn't shrinkable. Since I have no use for the home partition anyway ...
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2answers
1k views

Resize XFS on CentOS after expand Raid

I have a 16Tb partition on Raid 6 array using xfs file system. # df -hT Filesystem Type Size Used Avail Use% Mounted on /dev/sdc1 xfs 15T 7.4T 7.2T 51% /backup I reconstructed ...
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1answer
18 views

How can I verify an XFS dump backup

I recently had a hard drive crash. Now I'm setting up incremental backups using XFS' dump tool. The setup I have is to make the dumps into files (rather than to a block device), my plan is to do a l0 ...
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1answer
27 views

xfs - command limit not found

I'd like to set xfs quota on my CentOS 6 server, so I installed xfsprogs package. However it says command limit not found as shown below. [root@myserver ~]# xfs_quota xfs_quota> print Filesystem ...
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17 views

Does XFS support default quotas?

We need to set a default quota for all users. From what I can see from man 8 xfs_quota, you can only set quotas for individual users. I need to set a quota that applies to everyone without having to ...
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1answer
93 views

how to disable journaling on xfs filesystem [closed]

How do I disable journaling on xfs file system. I tried tune2fs to disable, it didnt help. Does xfs has different tools/procedure to do so ? tune2fs -o journal_data_writeback ...
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2answers
59 views

Correct procedure for mounting xfs filesystem to use quotas

I am using a Hetzner box on which I have configured my partitions to use LVM, and have set /home as a xfs filesystem. I use Webmin to administer the box which is running Debian 7.6, and have the ...
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1answer
2k views

Trying to determine the correct number of XFS allocation groups for postgresql server on Linux

I am running a postgres 8.4.5 server on the linux 2.6.33.7 kernel on an 8 disk raid array with an LSI controller. Most of the tables are around 1GB or less. I know that XFS uses allocation groups ...
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40 views

Is there a way to alter default mount options for the xfs filesystem?

Q1. Is there a way to alter default mount options for the xfs filesystem? E.g. for ext2/3/4 it is done in /etc/mke2fs.conf file. Q2. Also is there a way to see default mount option on the mounted xfs ...
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51 views

Possible to put larger disks in LSI arrays?

I have a couple of these LSI arrays LSI Model: 0834 LSI Class: 3600 LSI Name: LSI Engenio LSI product name: 1932 LSI Product codename: Mary Jane Enclosure name: Shea (DM1300) End of Life: 31-Dec-2010 ...
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0answers
39 views

Speed up xfsrestore

I administer a development environment with shared (nfs and samba) home directories which are heavily used and pretty large. I use a 2TB partition for around 50 users. I know this is generous but I'd ...
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0answers
46 views

How can I recalculate XFS projects quota?

I have a XFS formatted disk and several projects quota in it. # xfs_quota -xc 'report -phN' foo 20K 22.9G 22.9G 00 [------] bar 396K 5.7G 5.7G 00 [------] buz 12K 22.9G 22.9G 00 ...
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2answers
323 views

How to Increase the Size of an XFS File System?

I just created an Amazon AWS EC2 instance running RHEL7: [root@ip-10-184-161-46 ~]# cat /etc/redhat-release Red Hat Enterprise Linux Server release 7.0 (Maipo) [root@ip-10-184-161-46 ~]# And even ...
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3answers
7k views

changing filesystem format from xfs to ext4 without losing data

I have a fresh Lucid Lynx (Ubuntu 10.04) running on a laptop. where I defined the filesystems as: mount point / on ext4 (46 Gb) mount point /home on jfs (63 GB) swap as 3 Gb I left the machine ...
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2answers
2k views

HP DL380p Gen8 (p420i controller) I/O oddity on XFS partitions

On DL380p gen8 servers using XFS on top of LVM on top of raid 1+0 with 6 disks, an identical workload results in a ten-fold increase in disk writes on RHEL 6 compared to RHEL 5, making applications ...
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0answers
65 views

/proc/slabinfo: Input/output error

I am using Ubuntu 12.04 and XFS (kernel 3.2.0-38-generic). Because XFS inode cache use too much memory, I want to limit the number of objects used to cache XFS inode. According to the manual, I can ...
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2answers
1k views

mkfs.xfs: libxfs_device_zero write failed: Input/output error

I can't find a way to create a filesystem on one of my disks. first i'm geting the following output: [root@~]# mkfs.xfs /dev/sdb1 mkfs.xfs: /dev/sdb1 appears to contain a partition table (dos). ...
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1answer
70 views

Which network file systems can deal with huge amount of subdirectories?

I need a network file system that can be accessed from multiple machines as the same time and that it will still be able to keep like 100.000 subdirectories of a single directory. In case someone is ...
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1answer
278 views

Optimization XFS on Linux guest in Hyper-V (VHDX)

In our company we're using Hyper-V (Windows Server 2012) hypervisor and VM to organize our in-company services in our data-center. I am supposed to set up Ubuntu 12.04 LTS guest for our main database ...
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1answer
112 views

mkfs fails to create a new xfs partition

i am using ubuntu LTS 12.04 server installed as a virtual machine on Vmware Workstation. Recently i extended the logical disk. I used sudo fdisk /dev/sdb command and i created an extended disk that i ...
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127 views

Need help recovering RAID 6 array

My CentOS 6.5 server had its primary drive fail the other day. Our hosting company replaced the primary drive and reinstalled the OS. The system is up and running, but the 15TB of RAID6 storage isn't ...
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1answer
174 views

Access xfs quota info from NFS client

I've got an xfs filesystem (on a Centos 6.4 server) mounted via NFS on a client server (Centos 6.3). I can't seem to access the quota info from the client. It simply returns nothing for xfs_quota -c ...
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3answers
2k views

Linux (NAS) Permissions problem (Permission Denied)

This is probably easier to show than to explain... -bash-3.2$ id uid=501(admin) gid=503(admin) groups=100(users),501(admins),503(admin) -bash-3.2$ groups admin users admins -bash-3.2$ ls -l total 8 ...
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0answers
196 views

NFS server unresponsive to clients - with processes 'migration' and 'xfssyncd' consuming unusual cpu

I have a CentOS 6.4 fileserver running NFS 4, serving a couple of XFS filesystems. There are a few dozen clients connected to it. Today it slowed to a crawl for the clients - the clients would hang or ...
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2answers
7k views

How to recover XFS file system with “superblock read failed”

I have a disk from a Buffalo LinkStation that has an XFS partition on it that I cannot mount. Plugging the disk into an SATA->USB caddy on an Ubuntu box. I get the following: $ sudo fdisk -l ...
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2answers
213 views

FS for many small files, mostly reads?

I need a direction since all the blogs/benchs seems to contradict. Goal: Having a lot of small files on FS in a directory tree fashion similar to this AB/CD/EF... Two size groups : G1 : 10-20 kB G2 ...
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97 views

Why does xfs_db show ifree=0 but I can still create files?

Recently we ran into a problem with an xfs file system reporting that it had run out of space, even though there was lots of free space left. Because it is a backup volume, we ran into the 5% of space ...
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333 views

remount / move root folder to another partition on centos

We have an EC2/CentOS6 instance with "/" mounted to an EXT4 partition, and now another bigger sized hard disk formatted in XFS attached to the system. Since the former partition for "/" is ...
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174 views

How to get DMAPI support in Samba 4 on Centos 6.4 X86_64

I'm building the latest Samba 4 on Centos 6.4. From running configure a couple of times, I already figured out almost all of the needed packages. Almost, because there is one dependency I cannot ...
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1answer
411 views

Using ZFS or XFS on a Xen guest running Linux

Background: I'm investigating the viability of using a filesystem other than ext3/4, with the ability to run snapshots for backup and rollback purposes. The servers under consideration are mailbox ...
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2answers
518 views

How should I backup this large volume?

I have a 10TB XFS filesystem on a SLES 10.2 server. I am currently running rsync on it once per day, to sync it with a disk-based online backup on another server. The primary volume is quite busy as ...
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2answers
823 views

Can XFS or GlusterFS replace my ZFS needs?

Right now I have a FreeBSD hosts with ZFS and NFSv4. It is replicated to another FreeBSD box for backup purposes. The ZFS features that are important to me are software RAID6 snapshots, or some ...
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1answer
2k views

/dev/md device disappeared in Linux RAID1 array

I inherited a NAS server that is setup with 5 RAID1 soft arrays grouped together into a XFS volume group. Whoever built the 5th md device created it without a Linux Auto RAID partition (Looks like ...
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3answers
8k views

The XFS filesystem is broken in RHEL/CentOS 6.x - What can I do about it?

Recent versions of RHEL/CentOS (EL6) brought some interesting changes to the XFS filesystem I've depended on heavily for over a decade. I spent part of last summer chasing down an XFS sparse file ...
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1answer
3k views

Resize XFS Partition (Increase)

I'm new to xfs and was wondering how to increase the size of /var and /home, I'm guessing xfs does not simply increase in size as needed... Filesystem Type Size Used Avail Use% Mounted on ...
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4answers
2k views

Cannot install centos 6.4 with XFS

I would like install centos 6.4 and use XFS as filesystem for some partitions in my configuration. But Anaconda don't propose XFS in the filesystem choice. Then I try to install in text mode but in ...
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1answer
102 views

Setup 1x RAID5 array with multiple LVs and differnt filesystems?

Centos 5.9 - 2.6.18-348.3.1.el5 i686 Raid5 - 4 Disks + 1 Spare (all WD RED 3TB) Does it make sence to create multiple LV within the same VP and configure them as differnt filesystems: Example: LV1: ...
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1answer
823 views

XFS Adding Quotas - Skip Quota check on first mount/boot

We run a 14TB XFS fileserver on our cluster and want to add quota support. This is running 3.9.2-1.el6.elrepo.x86_64 kernel under CentOS 6.3 (Final). The issue is when we unmount the XFS RAID, and ...
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1answer
2k views

XFS slow performance on LVM'ed RAID, faster when RAW or non-LVM

longtime user of this website, first time poster. I have a weird issue with a server I am setting up. It's for a filesharing-type website, so fast IO and plenty of capacity are the requirements. OS ...
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3answers
449 views

Upgrading server motherboard while maintaining 12 SATA ports

My office has been using a FreeNAS server that was built with desktop hardware. We use it for storing RAW photos (~50mb each). We have 3 workstations that access (browse, retouch, save) the files ...
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1answer
3k views

Can't mount XFS partition anymore

I have 9 partitions formatted as XFS on my server. When I try to mount one of them, it fails. The others mount fine. root@fileserver2 # mount | grep xfs | head -1 /dev/sdb1 on /mnt/hdd1 type xfs ...
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1answer
159 views

Uneven utilization of disks in xfs-formatted logical volume

We have a backup server with 66TB of available space, set up like so: 12 6TB RAID10 arrays -> 12 PVs -> 1 VG -> 1 LV -> xfs This filesystem is used exclusively for backups (through BackupPC). It ...
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1answer
150 views

xfs_growfs error: maximum is 18350080?

I have a 70 GB filesystem mounted from a loopback file that needed more space. I increased the size of the file from 75161928000 to 75200000000 (starting conservative) via sudo truncate -s ...
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218 views

1. XFS: how to find path / directory of inodes 2. XFS in a file -o loop and ddrescue?

how to find the full original file/directory path of some damaged XFS inodes? and how to list the last modified few 10000 inodes (=edited or moved files/directories) rapidly among millions of ...
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1answer
505 views

Storing many small files with xattr in XFS and ext4

I have many small files (20 millions) with xattr on XFS drives. The average size of files is around 20KB and the average size of xattr is about 512 bytes. Because I would like to move them to ext4, I ...
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1answer
6k views

Why are my XFS filesystems suddenly consuming more space and full of sparse files?

I've run XFS filesystems as data/growth partitions for nearly 10 years across various Linux servers. I've noticed a strange phenomenon with recent CentOS/RHEL servers running version 6.2+. Stable ...
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4answers
412 views

Slower file create on faster server. Why?

I have thwo servers. The old one is 24GB RAM, i7-950 @ 3,0Ghz, 2x 1,5TB SATA HDD (ST31500341AS). The new is 32GB RAM, i7-3770 @ 3,4GHz, 2x 3,0TB SATA HDD (ST3000DM001-9YN166). Now I noiticed, ...
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72 views

xfs.image I/O error but harddrive is fine?

Please help to determine, how to may fix this XFS filesystem and whats actually wrong? Thanks! An XFS image runs productive mounted -o loop on debian. a million of files are read every day, only ...