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Re: No space left on device on xfs filesystem with 7.7TB free

To: xfs@xxxxxxxxxxx
Subject: Re: No space left on device on xfs filesystem with 7.7TB free
From: Timothy Sesow <tsesow@xxxxxxxxx>
Date: Sun, 27 Mar 2011 07:25:12 -0600
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User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.14) Gecko/20110223 Thunderbird/3.1.8
I had the same problem recently and couldn't go to
inode64, so I put a writeup at
http://osvault.blogspot.com/2011/03/fixing-1tbyte-inode-problem-in-xfs-file.html
on what I did to find the files in the lower allocation groups
and move them.

On 03/26/2011 09:34 AM, Eric Sandeen wrote:
On 3/26/11 8:41 AM, atyu30 atyu30 wrote:

I'm running RedHat Linux Enterprise Server 5.2, on a 64-bit x86_64
Linux  machine with kernel version 2.6.18-128.el5 smp.  I appear to
have version 2.9.4 of xfsprogs.
Just as point of reference, if you're using the xfs-kmod, that is
extremely old, un-updated, and unsupported at this point.

I have a 22TB xfs filesystem ,Yesterday, the hard disk is full, today
released a 7.7T disk space.But still can not write to new file.
You have probably run out of 32-bit inode space on your 27T filesystem.

software ambience:

[root@Production data5]# uname -a Linux Production 2.6.18-128.el5 #1
SMP Wed Jan 21 10:41:14 EST 2009 x86_64 x86_64 x86_64 GNU/Linux

[root@Production data5]# rpm -qa | grep xfs
xfsprogs-2.9.4-1.el5.centos xorg-x11-xfs-1.0.2-4 kmod-xfs-0.4-2

that's X11, not the filesystem, for what it's worth :)

problem:

[root@Production data5]# df -h Filesystem            Size  Used Avail
Use% Mounted on /dev/sda1              48G  6.7G   39G  15% /
/dev/sda2              81G  4.0G   73G   6% /opt /dev/sdb1
22T   15T  7.7T  65% /data2 tmpfs                 2.0G     0  2.0G
0% /dev/shm

[root@Production data5]# df -i Filesystem            Inodes   IUsed
IFree IUse% Mounted on /dev/sda1            12812288  136847 12675441
2% / /dev/sda2            21867648    8440 21859208    1% /opt
/dev/sdb1            23429382016 4625792 23424756224    1% /data2
tmpfs                 504701       1  504700    1% /dev/shm

[root@Production data5]# touch test.log touch: cannot touch
`test.log': No space left on device
If your applications can handle>  32-bit inode numbers, mount -o inode64
and see if you can create the new file.

hm, we should maybe printk in this case, it comes up often enough.

-Eric

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