Hello Gluster Community,
I have got a 4 Node Cluster with a Replica 4 Volume, so each node has a brick with a copy of a file. Now I tried out the bitrot functionality and corrupt the copy on the brick of node1. After this I scrub ondemand and the file is marked correctly as corrupted.
No I try to read that file from FUSE on node1 (with corrupt copy):
$ cat file1.txt
cat: file1.txt: Transport endpoint is not connected
FUSE log says:cat: file1.txt: Transport endpoint is not connected
[2019-02-01 15:02:19.191984] E [MSGID: 114031] [client-rpc-fops_v2.c:281:client4_0_open_cbk] 0-archive1-client-0: remote operation failed. Path: /data/file1.txt (b432c1d6-ece2-42f2-8749-b11e058c4be3) [Input/output error]
[2019-02-01 15:02:19.192269] W [dict.c:761:dict_ref] (-->/usr/lib64/glusterfs/5.3/xlator/performance/quick-read.so(+0x7329) [0x7fc642471329] -->/usr/lib64/glusterfs/5.3/xlator/performance/io-cache.so(+0xaaf5) [0x7fc642682af5] -->/usr/lib64/libglusterfs.so.0(dict_ref+0x58) [0x7fc64a78d218] ) 0-dict: dict is NULL [Invalid argument]
[2019-02-01 15:02:19.192714] E [MSGID: 108009] [afr-open.c:220:afr_openfd_fix_open_cbk] 0-archive1-replicate-0: Failed to open /data/file1.txt on subvolume archive1-client-0 [Input/output error]
[2019-02-01 15:02:19.193009] W [fuse-bridge.c:2371:fuse_readv_cbk] 0-glusterfs-fuse: 147733: READ => -1 gfid=b432c1d6-ece2-42f2-8749-b11e058c4be3 fd=0x7fc60408bbb8 (Transport endpoint is not connected)
[2019-02-01 15:02:19.193653] W [MSGID: 114028] [client-lk.c:347:delete_granted_locks_owner] 0-archive1-client-0: fdctx not valid [Invalid argument]
[2019-02-01 15:02:19.192269] W [dict.c:761:dict_ref] (-->/usr/lib64/glusterfs/5.3/xlator/performance/quick-read.so(+0x7329) [0x7fc642471329] -->/usr/lib64/glusterfs/5.3/xlator/performance/io-cache.so(+0xaaf5) [0x7fc642682af5] -->/usr/lib64/libglusterfs.so.0(dict_ref+0x58) [0x7fc64a78d218] ) 0-dict: dict is NULL [Invalid argument]
[2019-02-01 15:02:19.192714] E [MSGID: 108009] [afr-open.c:220:afr_openfd_fix_open_cbk] 0-archive1-replicate-0: Failed to open /data/file1.txt on subvolume archive1-client-0 [Input/output error]
[2019-02-01 15:02:19.193009] W [fuse-bridge.c:2371:fuse_readv_cbk] 0-glusterfs-fuse: 147733: READ => -1 gfid=b432c1d6-ece2-42f2-8749-b11e058c4be3 fd=0x7fc60408bbb8 (Transport endpoint is not connected)
[2019-02-01 15:02:19.193653] W [MSGID: 114028] [client-lk.c:347:delete_granted_locks_owner] 0-archive1-client-0: fdctx not valid [Invalid argument]
And from FUSE on node2 (with heal copy):
$ cat file1.txt
file1
file1
It seems to be that node1 wants to get the file from its own brick, but the copy there is broken. Node2 gets the file from its own brick with a heal copy, so reading the file succeed.
But I am wondering myself because sometimes reading the file from node1 with the broken copy succeed
What is the expected behaviour here? Is it possibly to read files with a corrupted copy from any client access?
Regards
David Spisla
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