>From your informantion, the osd log ended with "
2013-10-14 06:21:26.727681 7f02690f9780 10 osd.47 43203 load_pgs
3.df1_TEMP clearing temp"
That means the osd is loading all PG directories from the disk. If
there is any I/O error (disk or xfs error), the process couldn't
finished.
Suggest restart with debug osd = 20 or use xfs_check to check the
osd.47 local filesystem.
On 14 October 2013 15:40, Dominik Mostowiec <dominikmostowiec@xxxxxxxxx> wrote:
> Hi
> I have found somthing.
> After restart time was wrong on server (+2hours) before ntp has fixed it.
> I restarted this 3 osd - it not helps.
> It is possible that ceph banned this osd? Or after start with wrong
> time osd has broken hi's filestore?
>
> --
> Regards
> Dominik
>
>
> 2013/10/14 Dominik Mostowiec <dominikmostowiec@xxxxxxxxx>:
>> Hi,
>> I had server failure that starts from one disk failure:
>> Oct 14 03:25:04 s3-10-177-64-6 kernel: [1027237.023986] sd 4:2:26:0:
>> [sdaa] Unhandled error code
>> Oct 14 03:25:04 s3-10-177-64-6 kernel: [1027237.023990] sd 4:2:26:0:
>> [sdaa] Result: hostbyte=DID_ERROR driverbyte=DRIVER_OK
>> Oct 14 03:25:04 s3-10-177-64-6 kernel: [1027237.023995] sd 4:2:26:0:
>> [sdaa] CDB: Read(10): 28 00 00 00 00 d0 00 00 10 00
>> Oct 14 03:25:04 s3-10-177-64-6 kernel: [1027237.024005] end_request:
>> I/O error, dev sdaa, sector 208
>> Oct 14 03:25:04 s3-10-177-64-6 kernel: [1027237.024744] XFS (sdaa):
>> metadata I/O error: block 0xd0 ("xfs_trans_read_buf") error 5 buf
>> count 8192
>> Oct 14 03:25:04 s3-10-177-64-6 kernel: [1027237.025879] XFS (sdaa):
>> xfs_imap_to_bp: xfs_trans_read_buf() returned error 5.
>> Oct 14 03:25:28 s3-10-177-64-6 kernel: [1027260.820288] XFS (sdaa):
>> metadata I/O error: block 0xd0 ("xfs_trans_read_buf") error 5 buf
>> count 8192
>> Oct 14 03:25:28 s3-10-177-64-6 kernel: [1027260.821194] XFS (sdaa):
>> xfs_imap_to_bp: xfs_trans_read_buf() returned error 5.
>> Oct 14 03:25:32 s3-10-177-64-6 kernel: [1027264.667851] XFS (sdaa):
>> metadata I/O error: block 0xd0 ("xfs_trans_read_buf") error 5 buf
>> count 8192
>>
>> this caused that the server has been unresponsive.
>>
>> After server restart 3 of 26 osd on it are down.
>> In ceph-osd log after "debug osd = 10" and restart is:
>>
>> 2013-10-14 06:21:23.141936 7fdeb4872700 -1 osd.47 43203 *** Got signal
>> Terminated ***
>> 2013-10-14 06:21:23.142141 7fdeb4872700 -1 osd.47 43203 pausing thread pools
>> 2013-10-14 06:21:23.142146 7fdeb4872700 -1 osd.47 43203 flushing io
>> 2013-10-14 06:21:25.406187 7f02690f9780 0
>> filestore(/vol0/data/osd.47) mount FIEMAP ioctl is supported and
>> appears to work
>> 2013-10-14 06:21:25.406204 7f02690f9780 0
>> filestore(/vol0/data/osd.47) mount FIEMAP ioctl is disabled via
>> 'filestore fiemap' config option
>> 2013-10-14 06:21:25.406557 7f02690f9780 0
>> filestore(/vol0/data/osd.47) mount did NOT detect btrfs
>> 2013-10-14 06:21:25.412617 7f02690f9780 0
>> filestore(/vol0/data/osd.47) mount syncfs(2) syscall fully supported
>> (by glibc and kernel)
>> 2013-10-14 06:21:25.412831 7f02690f9780 0
>> filestore(/vol0/data/osd.47) mount found snaps <>
>> 2013-10-14 06:21:25.415798 7f02690f9780 0
>> filestore(/vol0/data/osd.47) mount: enabling WRITEAHEAD journal mode:
>> btrfs not detected
>> 2013-10-14 06:21:26.078377 7f02690f9780 2 osd.47 0 mounting
>> /vol0/data/osd.47 /vol0/data/osd.47/journal
>> 2013-10-14 06:21:26.080872 7f02690f9780 0
>> filestore(/vol0/data/osd.47) mount FIEMAP ioctl is supported and
>> appears to work
>> 2013-10-14 06:21:26.080885 7f02690f9780 0
>> filestore(/vol0/data/osd.47) mount FIEMAP ioctl is disabled via
>> 'filestore fiemap' config option
>> 2013-10-14 06:21:26.081289 7f02690f9780 0
>> filestore(/vol0/data/osd.47) mount did NOT detect btrfs
>> 2013-10-14 06:21:26.087524 7f02690f9780 0
>> filestore(/vol0/data/osd.47) mount syncfs(2) syscall fully supported
>> (by glibc and kernel)
>> 2013-10-14 06:21:26.087582 7f02690f9780 0
>> filestore(/vol0/data/osd.47) mount found snaps <>
>> 2013-10-14 06:21:26.089614 7f02690f9780 0
>> filestore(/vol0/data/osd.47) mount: enabling WRITEAHEAD journal mode:
>> btrfs not detected
>> 2013-10-14 06:21:26.726676 7f02690f9780 2 osd.47 0 boot
>> 2013-10-14 06:21:26.726773 7f02690f9780 10 osd.47 0 read_superblock
>> sb(16773c25-5054-4451-bf9f-efc1f7f21b89 osd.47
>> 63cf7d70-99cb-0ab1-4006-00000000002f e43203 [41261,43203]
>> lci=[43194,43203])
>> 2013-10-14 06:21:26.726862 7f02690f9780 10 osd.47 0 add_map_bl 43203 82622 bytes
>> 2013-10-14 06:21:26.727184 7f02690f9780 10 osd.47 43203 load_pgs
>> 2013-10-14 06:21:26.727643 7f02690f9780 10 osd.47 43203 load_pgs
>> ignoring unrecognized meta
>> 2013-10-14 06:21:26.727681 7f02690f9780 10 osd.47 43203 load_pgs
>> 3.df1_TEMP clearing temp
>>
>> osd.47 is still down, I put it out from cluster.
>> 47 1 osd.47 down 0
>>
>> How can I check what is wrong?
>>
>> ceph -v
>> ceph version 0.56.6 (95a0bda7f007a33b0dc7adf4b330778fa1e5d70c)
>>
>> --
>> Pozdrawiam
>> Dominik
>
>
>
> --
> Pozdrawiam
> Dominik
> --
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--
Dong Yuan
Email:yuandong1222@xxxxxxxxx
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