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After upgrade from 12.04 XFS became to use 64bit inodes, despite the
fact that it is mounted without inode64 option:
root@nfs:~# mount | grep /raid
/dev/sdb1 on /raid type xfs
(rw,noatime,nodiratime,largeio,logbufs=8,allocsize=64m,logbsize=256k,osyncisdsync,nobarrier)
Volume size is 11TB that is much less than 16TB limit for 32bit inodes:
root@nfs:~# df -h /raid
Filesystem Size Used Avail Use% Mounted on
/dev/sdb1 11T 3,3T 7,7T 31% /raid
But there are files wih 64bit inodes on this volume, e.g.:
root@nfs:~# stat /raid/home/nz/.ssh
File: ‘/raid/home/nz/.ssh’
Size: 122 Blocks: 0 IO Block: 5242880 directory
Device: 811h/2065d Inode: 25788470353 Links: 2
Access: (0700/drwx------) Uid: (30051/nz) Gid: ( 513/Domain Users)
Access: 2014-08-22 17:13:25.804584309 +0400
Modify: 2014-08-25 10:29:02.582411181 +0400
Change: 2014-08-25 10:29:02.582411181 +0400
Birth: -
All such files are created after 12.04 -> 14.04 upgrade.
There is a plenty of 32-bit old software that could not access files
with 64-bit inodes, and it seems that the only option is to recreate the
whole volume with ext4 filesystem instead of xfs.
root@nfs:~# lsb_release -rd
Description: Ubuntu 14.04.1 LTS
Release: 14.04
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: bot-comment
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XFS uses 64-bit inodes being mounted without inode64 option
https://bugs.launchpad.net/bugs/1361637
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