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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570 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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1answer
528 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 ...
3
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1answer
655 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
616 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
1k 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
11k 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
4k 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
118 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
2k 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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3answers
702 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
7k 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
197 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
273 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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1answer
306 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
791 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
8k 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
469 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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0answers
104 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 ...
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1answer
214 views

Rsync Backup from XFS to ZFS

I currently have a backup solution in place that uses rsync to backup all out Linux servers from remote sites, to an XFS drive in our HQ. I am now trying to rsync the folder from the XFS drive in our ...
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vote
1answer
700 views

xfs fails with errors on dmesg

I have a strange error on a linux box with xfs, and I don't know how to debug and fix it. Below is an excerpt from dmesg : Info fld=0x17 end_request: I/O error, dev sde, sector 34412208504 sd ...
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2answers
566 views

Filesystem recommendation for 5 TB file storage

I have a locally attached 5 TB RAID6 system (IBM DS3512). It will be used as a storage for large data files that are written in sequential writes, and then read back for processing. Eventually the ...
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3answers
2k views

Fastest way to chown a whole device (xfs)

I need to chown 1.5 million files on a drive. I'm currently doing: sudo chown -R www-data:www-data /root-of-device but it takes an awfully long time to run. I was wondering if there was some sort ...
2
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1answer
244 views

SLES 11 recommended filesystem

We are upgrading some servers from SLES 10 to SLES 11 and I just saw that ext4 is not supported. Should I move to XFS or keep ext3? I will be moving the programs and databases to a new VM so ...
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1answer
447 views

XFS - Force write every n minutes?

I'm running the recently-released Fedora 18, and doing some computationally intensive things with it. The result is... unstable, at best. But! That's about what I expected, or at least not what I'm ...
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0answers
182 views

Corrupt XFS header

On my file server I ended up growing the RAID (5) and then I went ahead and deleted and remade the partition holding the XFS filesystem. I used Parted to do this. After parted ran I tried to mount ...
4
votes
2answers
568 views

xfs: find files on the first 1 TB

I have been hit by xfs' No space left on device. According to the FAQ: http://xfs.org/index.php/XFS_FAQ#Q:_Why_do_I_receive_No_space_left_on_device_after_xfs_growfs.3F The only way to fix this is ...
2
votes
1answer
371 views

Restrict file access to append only

I have a directory with log files and I'm putting logs from script launched by users into them. Logging with syslog isn't possible in this case. I want the users to have only write permissions on ...
2
votes
1answer
99 views

When I mount an XFS snapshot that was frozen, do I need to unfreeze it?

I'm snapshotting an XFS EBS volume, freezing it first. When I mount the snapshot as a new volume on a different instance will I need to unfreeze the volume before it can be used, or will it not be ...
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1answer
1k views

xfs_repair has been running a day is it actually doing anything?

I am having a problem with my 1 TB XFS LVM logical volume. This formerly resided on a physical volume which developed IO errors, so I used "pvmove" to migrate to a new disk. After the migration I was ...
2
votes
1answer
5k views

Recommended filesystem for MySQL (xfs vs ext4)

Setting up a MySQL 5.5 server, and wondering what the recommended filesystem is? ext4 or xfs? Running InnoDB and 40% writes 60% reads. Thanks.
0
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1answer
700 views

XFS Trial barrier write failure message in dmesg

I'm noticing the following lines in dmesg when an XFS volume is being mounted dm-1: Disabling barriers, trial barrier write failed Anyone know what this means?
2
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3answers
965 views

EBS+RAID10+XFS slower than EBS+RAID10+EXT3 using MySQL?

We're currently using EC2 with 16 EBS volumes in RAID10 configuration for our MySQL data. I know some people don't recommend to put EBS volumes to RAID but that's not what I'm concerned about at the ...
5
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1answer
8k views

How to format XFS parition if the stability is the most important thing

We want to use XFS to format some partitions in a server. High performance is of course our goal, but we prefer to stability firstly. For example, we want to recover the FS quickly if power failure ...
6
votes
1answer
388 views

The impact of a high directory-to-file ratio on XFS

We're building a product that is likely to generate very large XFS volumes, and I'm trying to discover the scaling bottlenecks we're likely to run into given the architecture. As we manipulate files ...
2
votes
1answer
390 views

XFS disk becomes unavailable after a while

Ubuntu 12.04 (but the same was on 11.10 before upgrading) WD MyBook, 2TB, no RAID (or RAID0, not completely sure, anyway no mirroring, both 1TB disks are in use, mounted as a single device). ...
2
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1answer
585 views

Upgrading 32-bit XFS filesystem to 64-bit

What would be the procedure for upgrading XFS filesystems from 32-bit to 64-bit? What damage or issues would arise from accessing XFS fs that was formatted on a 32-bit OS with a 64-bit OS? To ...
3
votes
2answers
1k views

Error growing XFS volume with xfs_growfs

I added another 8TB to my 20TB array and tried to expand it with xfs_growfs, no joy and no idea why it is failing. Much googleing has provided some answers but nothing that has worked. I am at my ...
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0answers
333 views

Restoring a GPT XFS partition?

I recently added some storage to a RAID array with a single large XFS volume. To expand the volume I normally use parted to remove the partition and then recreate it so that it spans the entire ...
3
votes
4answers
951 views

How can I reduce inode utilization on an ext4 filesystem?

Summary of My Need We put a large amount of files on a filesystem for analysis at a later time. We can't control how many files we're going to have, and this one box needs access to all of them. ...
1
vote
1answer
128 views

Are there measurable benefits to running XFS on EC2

I am looking at creating a PostgreSQL database image (to run on Amazon EC2) and I have heard good things about XFS. However, since ultimately you are running in a VM, the gain of XFS on EC2 might ...
4
votes
1answer
616 views

Disabling/Enabling Modules Parameter RHEL

I'm working with kernel module parameters, and I've found myself a bit confused. In particular, I'm attempting to enable posix ACL support for XFS file systems. This requires the XFS module to be ...
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6answers
2k views

Safe filesystem for Email homedir storage? XFS? JFS? Btrfs? Reiser4?

i'm building an email system and considering some filesystem that support online-resize, safe when power-outage, and does not restrict number of files per directory(or at least can hold some millions ...
1
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1answer
65 views

xfs incremental backup doesn't fit new disk

I have a 1TB xfs volumne on Amazon EBS, which contains 246GB of incremental backups, created with rsync and hardlinking. I want to copy this to a new, smaller disk. The problem is it doesn't seem to ...
0
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1answer
399 views

Why can't xfs_freeze find this directory when called with ec2-consistent-snapshot?

On my management server: /usr/bin/ec2-consistent-snapshot --freeze-filesystem /mnt/websites --description "FOO-DATA $(date)" vol-d84bhi64 --region eu-west-1 /mnt/websites: No such file or directory ...
1
vote
0answers
254 views

lvm/xfs does not utilize full raid device

My older 2 CPU server (32-bit LV Xeon, centos 5) drives a raid6 array. Since I grew it from 7x2T to 8x2T (I had to CD boot a "more modern" fedora to even do the 82-hour growing, but that's another ...
9
votes
2answers
3k views

CentOS 6 doing lots more IO than CentOS 5

I'm benchmarking an application on two identical servers, one is Centos 5.8 and the other is Centos 6.2. My application is running much slower (50% or less) on the Centos 6.2 machine. In attempting ...
5
votes
2answers
2k views

Modify XFS filesystem creation parameters during kickstart installation

I'm streamlining the kickstart process for a series of EL6.2 (RHEL, CentOS, SL, etc.) systems. I'd prefer to use XFS over ext4 for the growth/data partition. However, I'd like some control over the ...
2
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3answers
2k views

Raid-5 Performance per spindle scaling

So I am stuck in a corner, I have a storage project that is limited to 24 spindles, and requires heavy random Write (the corresponding read side is purely sequential). Needs every bit of space on my ...