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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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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126 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
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2answers
385 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
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1answer
236 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
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1answer
72 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
887 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
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1answer
4k 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.
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0answers
91 views

How to repair XFS filesystem with the first sector broken?

I have copy the partition to a file with ddrescue, but the first sector is broken and filled with zeros. I run xfs_repair -f -o force_geometry file.img, after it says "found candidate secondary ...
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1answer
548 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?
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3answers
833 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 ...
4
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1answer
4k 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
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1answer
226 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
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1answer
356 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
493 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 ...
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2answers
820 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
242 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 ...
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2answers
1k views

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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4answers
566 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. ...
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1answer
124 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
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1answer
415 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
1k 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
53 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 ...
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0answers
100 views

Better filesystem for ZODB and Plone.app.blob [closed]

I am interested to know which Linux file system is best for hosting Zope's Object Database (Data.fs) and Plone.app.blob (blobstorage). Various reviews from the Internet suggests that XFS is good for ...
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1answer
358 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 ...
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0answers
231 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 ...
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0answers
552 views

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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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 ...
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2answers
1k 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 ...
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3answers
1k 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 ...
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1answer
172 views

format a volume as xfs

I have a partition that is formatted as ext3 I dd unmount it. Formatted as xfs (for quicker format) and I got an error. When I formatted it as ext3 again, it worked. What is the command to format an ...
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1answer
781 views

Formatting drive as XFS on Centos 5.5

We've got a Centos 5.5 server with 2 array's. One is standard ext3 mounted as /, the other is an SSD array that we are attempting to format as XFS before moving our MySQL database to it. I've ...
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1answer
436 views

XFS maximum log size - SW RAID 10 (mdadm) - SLES 11 SP1

I am a bit puzzled about the maximum metadata log size that can be setup in a XFS file system. I have found the same information everywhere: the maximum size is 64K blocks or 128M, whichever is ...
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1answer
1k views

How can I check whether 64-bit inodes are used in an existing XFS filesystem?

Some of my users have had trouble with software (on Scientific Linux) that cannot list directory contents when accessing an XFS filesystem mounted with the "inode64" option. So I have copied the data ...
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3answers
580 views

How many subdirectories does the XFS filesystem support within a given directory?

EXT3 supports 32,000 subdirectories. EXT4 supports 64,000... I've read about people having millions of subdirectories on the XFS filesystem, but can't find an exact value referenced anywhere. How ...
2
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1answer
208 views

get mkfs.xfs options from existing xfs filesystem

I set up a new server last week, did some testing with different mkfs.xfs options on mdadm raid5, i finally found some statisfying mkfs options. Now i am about to set up a new server having exactly ...
7
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1answer
1k views

XFS: no space left on device, (but I have 850GB available!)

I'm using a combination of mdadm, lvm2, and XFS on Amazon EC2. So far, I've had success running a RAID 5 volume built from a number of EBS volumes. The EBS volumes are attached and used with mdadm to ...
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1answer
468 views

Modifying NFS (XFS) File Attributes from within Windows

Scenario: I'm on Server 2008 R2 and I've mapped a network drive using Services for Network File System (NFS). I've mounted the drive to "N:" (for NFS or NAS) using the mount command line utility ...
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1answer
941 views

EXT3 vs EXT4 vs XFS

Recently I read a lot about "new" file systems. I checked some benchmarks that show MySQL working faster on EXT4 or XFS (and some other FS). I also "found" that XFS and EXT4 are included in CentOS ...
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1answer
165 views

Is this infrastructure safe for scaling EBS online?

Our application uses EBS to store data. The storage requirement of the application grows rapidly as users signup. We need to do it online so that users don't experience downtime with the application. ...
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0answers
499 views

Rebuilt md raid 6 array now showing xfs errors. How bad is it?

We had a storage server with performance starting to be poor. When I installed Linux's smartutils, it found Device: /dev/sdm, 2 Offline uncorrectable sectors Since this was a rather large raid6 ...
1
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2answers
2k views

Optimal way to format 20TB partition with XFS in linux? [closed]

I have a 20TB RAID5 array (LSI 9265-8i / 8 x 3TB 7200rpm drives) configured with a 1MB stripe size. What's the optimal way to partition, and format, this partition in Linux to maximize performance ...
31
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11answers
21k views

ZFS vs XFS

We're considering building a ~16TB storage server. At the moment, we're considering both ZFS and XFS as filesystem. What are the advantages, disadvantages? What do we have to look for? Is there a ...
1
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1answer
1k views

Converting Amazon EC2 ext4 EBS volume into XFS filesystem

I need to convert my Amazon EC2 ext4 filesystem into a XFS one so I could take consistent snapshots and send them to S3. I'm using custom small image of ubuntu server 10.10 with i686 architecture in ...
12
votes
2answers
788 views

Inode tables shrinking sharply over time causing rsync/inode problems

We setup a Linux (it's on Amazon AWS, a CentOS-like system although we are not exactly sure the customizations done on it) system with 4TB storage as an XFS volume over LVM (ultimately to be used for ...
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0answers
424 views

XFS Project Quotas on Debian Squeeze

I'm trying to set up project quotas with XFS on a debian box and run in some problems when defining the quotas i get back an error cannot set limits: function not implemented Am i missing something? ...
1
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1answer
422 views

volume group disappeared after xfs_check run

EDIT** I have a volume group consisting of 5 RAID1 devices grouped together into a lvm and formatted with xfs. The 5th RAID device lost its RAID config (cat /proc/mdstat does not show anything). The ...
5
votes
3answers
641 views

Where is my space on /var being used?

I'm a novice linux admin and now responsible for the OS of a 3 node Tomcat cluster. (Tomcat is handled by the DEVs luckily.) I got alarmed by our monitoring solution that /var on server01 has only ...
2
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4answers
1k views

Store and backup 200 million small files

My disk are 10x1TB SAS 7200 RPM in a RAID 10 with a MegaRaid 9260 hardware controller with cache/BBU. This results in a 4.6TB RAID 10 volume. hdparm -t (when device is empty) results in 500MB/s. RAID ...
2
votes
2answers
5k views

Why won't xfs_check run?

I'm running a fully updated Ubuntu 9.04 "Jaunty" i686 server. I have an single XFS volume in an LVM group called /dev/mapper/vg0-bigthree. If I boot to single user mode and ensure that the volume is ...
7
votes
2answers
2k views

Large RAID stripe size wastes space with small files?

I'm planning a Maildir storage with RAID 0+1(or RAID 10, RAID 5) on XFS filesystem and XFS will be created with stripe unit and width that RAID will use. I don't determine RAID stripe size yet, but ...