Re: total outage - almost

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Hi,

I checked the attributes of one of the files with I/O errors

root@chastcvtprd04:~# getfattr -d -e hex -m -
/data/glusterfs/Server_Standard/1I-1-14/brick/Server_Standard/CV_MAGNETIC/V_1050932/CHUNK_11126559/SFILE_CONTAINER_014
getfattr: Removing leading '/' from absolute path names
# file: data/glusterfs/Server_Standard/1I-1-14/brick/Server_Standard/CV_MAGNETIC/V_1050932/CHUNK_11126559/SFILE_CONTAINER_014
trusted.afr.dirty=0x000000000000000000000000
trusted.bit-rot.bad-file=0x3100
trusted.bit-rot.signature=0x011400000000000000ee3e3ac6a79b8efc42d0904ca431cb20d01890d300c041e905d9d78a562bf276
trusted.bit-rot.version=0x14000000000000005841bb3c000ac813
trusted.gfid=0x1427a79086f14ed2902e3c18e133d02b




root@chglbcvtprd04:~# getfattr -d -e hex -m -
/data/glusterfs/Server_Standard/1I-1-14/brick/Server_Standard/CV_MAGNETIC/V_1050932/CHUNK_11126559/SFILE_CONTAINER_014
getfattr: Removing leading '/' from absolute path names
# file: data/glusterfs/Server_Standard/1I-1-14/brick/Server_Standard/CV_MAGNETIC/V_1050932/CHUNK_11126559/SFILE_CONTAINER_014
trusted.afr.dirty=0x000000000000000000000000
trusted.bit-rot.bad-file=0x3100
trusted.bit-rot.signature=0x011300000000000000ee3e3ac6a79b8efc42d0904ca431cb20d01890d300c041e905d9d78a562bf276
trusted.bit-rot.version=0x13000000000000005841b921000c222f
trusted.gfid=0x1427a79086f14ed2902e3c18e133d02b



the "dirty" is 0, that's good, isn't it?
what's the "trusted.bit-rot.bad-file=0x3100" information?

Best Regards
Bernhard Dübi

BTW: I saved all logs, maybe I can upload them somewhere

2017-06-19 15:55 GMT+02:00 Bernhard Dübi <1linuxengineer@xxxxxxxxx>:
> Hi,
>
> we use a bunch of replicated gluster volumes as a backend for our
> backup. Yesterday I noticed that some synthetic backups failed because
> of I/O errors.
>
> Today I ran "find /gluster_vol -type f | xargs md5sum" and got loads
> of I/O errors.
> The brick log file shows the below errors
>
> [2017-06-19 13:42:33.554875] E [MSGID: 116020]
> [bit-rot-stub.c:566:br_stub_check_bad_object]
> 0-Server_Standard_05-bitrot-stub: c75016a9-95c1-4819-b24a-e5d77107c4ba
> is a bad object. Returning
> [2017-06-19 13:42:33.554923] E [MSGID: 116020]
> [bit-rot-stub.c:566:br_stub_check_bad_object]
> 0-Server_Standard_05-bitrot-stub: c75016a9-95c1-4819-b24a-e5d77107c4ba
> is a bad object. Returning
> [2017-06-19 13:42:33.554931] E [MSGID: 115081]
> [server-rpc-fops.c:1201:server_fstat_cbk] 0-Server_Standard_05-server:
> 21461: FSTAT -2 (c75016a9-95c1-4819-b24a-e5d77107c4ba) ==>
> (Input/output error) [Input/output error]
> [2017-06-19 13:42:33.554940] E [MSGID: 115081]
> [server-rpc-fops.c:1201:server_fstat_cbk] 0-Server_Standard_05-server:
> 21462: FSTAT -2 (c75016a9-95c1-4819-b24a-e5d77107c4ba) ==>
> (Input/output error) [Input/output error]
> [2017-06-19 13:42:33.555655] E [MSGID: 116020]
> [bit-rot-stub.c:566:br_stub_check_bad_object]
> 0-Server_Standard_05-bitrot-stub: c75016a9-95c1-4819-b24a-e5d77107c4ba
> is a bad object. Returning
> [2017-06-19 13:42:33.555697] E [MSGID: 115081]
> [server-rpc-fops.c:1201:server_fstat_cbk] 0-Server_Standard_05-server:
> 21463: FSTAT -2 (c75016a9-95c1-4819-b24a-e5d77107c4ba) ==>
> (Input/output error) [Input/output error]
> [2017-06-19 13:42:33.555950] E [MSGID: 116020]
> [bit-rot-stub.c:566:br_stub_check_bad_object]
> 0-Server_Standard_05-bitrot-stub: c75016a9-95c1-4819-b24a-e5d77107c4ba
> is a bad object. Returning
> [2017-06-19 13:42:33.555983] E [MSGID: 115081]
> [server-rpc-fops.c:1201:server_fstat_cbk] 0-Server_Standard_05-server:
> 21464: FSTAT -2 (c75016a9-95c1-4819-b24a-e5d77107c4ba) ==>
> (Input/output error) [Input/output error]
> [2017-06-19 13:42:33.556604] E [MSGID: 116020]
> [bit-rot-stub.c:566:br_stub_check_bad_object]
> 0-Server_Standard_05-bitrot-stub: c75016a9-95c1-4819-b24a-e5d77107c4ba
> is a bad object. Returning
>
>
>
>
> Any idea what's wrong?
>
>
> BTW: I'm running gluster 3.8.12 on Ubuntu 16.04 - 4.4.0-79
>
> many thanks for your help
> Bernhard
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