This is a a bit more information about that XFS:
root@ed-ds-c178:[~]:$ xfs_info /dev/mapper/disk23p1
meta-data=/dev/mapper/disk23p1 isize=2048 agcount=6, agsize=268435455 blks
= sectsz=4096 attr=2, projid32bit=1
= crc=0 finobt=0
data = bsize=4096 blocks=1465130385, imaxpct=5
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0 ftype=0
log =internal bsize=4096 blocks=521728, version=2
= sectsz=4096 sunit=1 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
root@ed-ds-c178:[~]:$ xfs_db /dev/mapper/disk23p1
xfs_db> frag
actual 25205642, ideal 22794438, fragmentation factor 9.57%
2016-10-25 14:59 GMT+03:00 Василий Ангапов <angapov@xxxxxxxxx>:
> Actually all OSDs are already mounted with inode64 option. Otherwise I
> could not write beyond 1TB.
>
> 2016-10-25 14:53 GMT+03:00 Ashley Merrick <ashley@xxxxxxxxxxxxxx>:
>> Sounds like 32bit Inode limit, if you mount with -o inode64 (not 100% how you would do in ceph), would allow data to continue to be wrote.
>>
>> ,Ashley
>>
>> -----Original Message-----
>> From: ceph-users [mailto:ceph-users-bounces@xxxxxxxxxxxxxx] On Behalf Of ??????? ???????
>> Sent: 25 October 2016 12:38
>> To: ceph-users <ceph-users@xxxxxxxxxxxxxx>
>> Subject: XFS no space left on device
>>
>> Hello,
>>
>> I got Ceph 10.2.1 cluster with 10 nodes, each having 29 * 6TB OSDs.
>> Yesterday I found that 3 OSDs were down and out with 89% space utilization.
>> In logs there is:
>> 2016-10-24 22:36:37.599253 7f8309c5e800 0 ceph version 10.2.1 (3a66dd4f30852819c1bdaa8ec23c795d4ad77269), process ceph-osd, pid
>> 2602081
>> 2016-10-24 22:36:37.600129 7f8309c5e800 0 pidfile_write: ignore empty --pid-file
>> 2016-10-24 22:36:37.635769 7f8309c5e800 0
>> filestore(/var/lib/ceph/osd/ceph-123) backend xfs (magic 0x58465342)
>> 2016-10-24 22:36:37.635805 7f8309c5e800 -1
>> genericfilestorebackend(/var/lib/ceph/osd/ceph-123) detect_features:
>> unable to create /var/lib/ceph/osd/ceph-123/fiemap_test: (28) No space left on device
>> 2016-10-24 22:36:37.635814 7f8309c5e800 -1
>> filestore(/var/lib/ceph/osd/ceph-123) _detect_fs: detect_features
>> error: (28) No space left on device
>> 2016-10-24 22:36:37.635818 7f8309c5e800 -1
>> filestore(/var/lib/ceph/osd/ceph-123) FileStore::mount: error in
>> _detect_fs: (28) No space left on device
>> 2016-10-24 22:36:37.635824 7f8309c5e800 -1 osd.123 0 OSD:init: unable to mount object store
>> 2016-10-24 22:36:37.635827 7f8309c5e800 -1 ESC[0;31m ** ERROR: osd init failed: (28) No space left on deviceESC[0m
>>
>> root@ed-ds-c178:[/var/lib/ceph/osd/ceph-123]:$ df -h /var/lib/ceph/osd/ceph-123
>> Filesystem Size Used Avail Use% Mounted on
>> /dev/mapper/disk23p1 5.5T 4.9T 651G 89% /var/lib/ceph/osd/ceph-123
>>
>> root@ed-ds-c178:[/var/lib/ceph/osd/ceph-123]:$ df -i /var/lib/ceph/osd/ceph-123
>> Filesystem Inodes IUsed IFree IUse% Mounted on
>> /dev/mapper/disk23p1 146513024 22074752 124438272 16%
>> /var/lib/ceph/osd/ceph-123
>>
>> root@ed-ds-c178:[/var/lib/ceph/osd/ceph-123]:$ touch 123
>> touch: cannot touch ‘123’: No space left on device
>>
>> root@ed-ds-c178:[/var/lib/ceph/osd/ceph-123]:$ grep ceph-123 /proc/mounts
>> /dev/mapper/disk23p1 /var/lib/ceph/osd/ceph-123 xfs rw,noatime,attr2,inode64,noquota 0 0
>>
>> The same situation is for all three down OSDs. OSD can be unmounted and mounted without problem:
>> root@ed-ds-c178:[~]:$ umount /var/lib/ceph/osd/ceph-123 root@ed-ds-c178:[~]:$ root@ed-ds-c178:[~]:$ mount /var/lib/ceph/osd/ceph-123 root@ed-ds-c178:[~]:$ touch /var/lib/ceph/osd/ceph-123/123
>> touch: cannot touch ‘/var/lib/ceph/osd/ceph-123/123’: No space left on device
>>
>> xfs_repair gives no error for FS.
>>
>> Kernel is
>> root@ed-ds-c178:[~]:$ uname -r
>> 4.7.0-1.el7.wg.x86_64
>>
>> What else can I do to rectify that situation?
>> _______________________________________________
>> ceph-users mailing list
>> ceph-users@xxxxxxxxxxxxxx
>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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