On Mon, Aug 03, 2015 at 01:27:03PM -0400, Joe Landman wrote:
> Hi folks:
>
> I've noticed some "odd" behavior while experimenting with xfs
> mounts on relatively recent kernels (3.18 series). Basically, the
> swalloc,allocsize=x options are being modified to something
> different. That is:
>
> root@usn-04:~/burn-in/fio# uname -r
> 3.18.12.scalable
>
> root@usn-04:~/burn-in/fio# mount -o
> inode64,noatime,nodiratime,swalloc,allocsize=1280k /dev/sda /data/1
>
> root@usn-04:~/burn-in/fio# mount | grep sda
> /dev/sda on /data/1 type xfs
> (rw,noatime,nodiratime,swalloc,attr2,inode64,allocsize=256k,noquota)
>
> This is a hardware RAID6 with a 128k chunk size and 12 elements (so
> 10 data drives, thus the 1280k allocsize for stripe width
> allocation). Is this something specific to xfs itself, or is this
> an issue in the mount tools ?
Please provide:
- xfs_info output from the filesystem in question
- dmesg output of all the mount messages
Dave.
--
Dave Chinner
david@xxxxxxxxxxxxx
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