I have updated the tracker with some log extracts as I seem to be hitting this or a very similar issue.
I was unsure of the correct syntax for the command ceph-objectstore-tool to try and extract that information.
On Wed, Aug 31, 2016 at 5:56 AM, Brad Hubbard <bhubbard@xxxxxxxxxx> wrote:
OK, all look pretty similar so there goes that theory ;)
On Wed, Aug 31, 2016 at 2:30 PM, Goncalo Borges <goncalo.borges@xxxxxxxxxxxxx> wrote:
> Here it goes:
>
> # xfs_info /var/lib/ceph/osd/ceph-78
> meta-data="" isize=2048 agcount=4, agsize=183107519 blks
> = sectsz=512 attr=2, projid32bit=1
> = crc=0 finobt=0
> data = bsize=4096 blocks=732430075, imaxpct=5
> = sunit=0 swidth=0 blks
> naming =version 2 bsize=4096 ascii-ci=0 ftype=0
> log =internal bsize=4096 blocks=357631, version=2
> = sectsz=512 sunit=0 blks, lazy-count=1
> realtime =none extsz=4096 blocks=0, rtextents=0
>
>
> # xfs_info /var/lib/ceph/osd/ceph-49
> meta-data="" isize=2048 agcount=4, agsize=183105343 blks
> = sectsz=512 attr=2, projid32bit=1
> = crc=0 finobt=0
> data = bsize=4096 blocks=732421371, imaxpct=5
> = sunit=0 swidth=0 blks
> naming =version 2 bsize=4096 ascii-ci=0 ftype=0
> log =internal bsize=4096 blocks=357627, version=2
> = sectsz=512 sunit=0 blks, lazy-count=1
> realtime =none extsz=4096 blocks=0, rtextents=0
>
>
> # xfs_info /var/lib/ceph/osd/ceph-59
> meta-data="" isize=2048 agcount=4, agsize=183105343 blks
> = sectsz=512 attr=2, projid32bit=1
> = crc=0 finobt=0
> data = bsize=4096 blocks=732421371, imaxpct=5
> = sunit=0 swidth=0 blks
> naming =version 2 bsize=4096 ascii-ci=0 ftype=0
> log =internal bsize=4096 blocks=357627, version=2
> = sectsz=512 sunit=0 blks, lazy-count=1
> realtime =none extsz=4096 blocks=0, rtextents=0
I thought if one or more of the filesystems had a smaller isize they would not
be able to store as many extended attributes and these would spill over into
omap storage only on those OSDs. It's not that easy but it might be something
similar given the ERANGE errors.
I've assigned the tracker (thanks) to myself and will follow through on it.
Please give me a little time to look further into the ERANGE errors and the logs
you provided (thanks again) and I'll update here and the tracker when I know
more.
--
Cheers,
Brad
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