[Gluster-users] Bug in gfs_serialize_reply?

[Anand Avati]

Can you send us the output of 'gluster volume info all' ? We are interested
to know if you have tuned quick-read's cache size?

Avati

2011/3/21 Сергей П.Воронин <voronin at tdiag.ru>

> Some strange bug:
>
> [buddie at db01 test]$ uname -a
> Linux db01 2.6.18-194.32.1.el5 #1 SMP Wed Jan 5 17:52:25 EST 2011 x86_64
> x86_64 x86_64 GNU/Linux
>
> [buddie at db01 test]$ rpm -q glusterfs-core
> glusterfs-core-3.1.3-1
>
> [buddie at db01 test]$ mount|grep gluster
> glusterfs#/etc/glusterfs/backup.vol on /mnt/backup type fuse
> (rw,allow_other,default_permissions,max_read=131072)
>
> [buddie at db01 test]$ pwd
> /mnt/backup/1/test
>
> [buddie at db01 test]$ ls -la
> total 16
> drwxr-xr-x 2 buddie root 4096 Mar 21 19:08 .
> drwxr-xr-x 4 root   root 4096 Mar 21 19:08 ..
> [buddie at db01 test]$ touch d88946-001
> [buddie at db01 test]$ ls -la d88946-001
> -rw-rw-r-- 1 buddie buddie 0 Mar 21 19:08 d88946-001
> [buddie at db01 test]$ dd if=/dev/zero of=d88946-001 bs=130830 count=1
> 1+0 records in
> 1+0 records out
> 130830 bytes (131 kB) copied, 0.003188 seconds, 41.0 MB/s
> [buddie at db01 test]$ ls -la d88946-001
> -rw-rw-r-- 1 buddie buddie 130830 Mar 21 19:08 d88946-001
> [buddie at db01 test]$ rm -f d88946-001
> [buddie at db01 test]$ dd if=/dev/zero of=d88946-001 bs=130831 count=1
> 1+0 records in
> 1+0 records out
> 130831 bytes (131 kB) copied, 0.010456 seconds, 12.5 MB/s
> [buddie at db01 test]$ ls -la d88946-001
> ls: d88946-001: Invalid argument
> [buddie at db01 test]$
>
> Oppps... What is "invalid argument"? On a server side I see this file:
> [buddie at alpha test]$ ls -la d88946-001
> -rw-rw-r-- 1 buddie buddie 130831 Mar 21 19:09 d88946-001
>
> Come back to client:
> [buddie at db01 test]$ dd if=/dev/zero of=different-file bs=13083100 count=1
> 1+0 records in
> 1+0 records out
> 13083100 bytes (13 MB) copied, 0.330474 seconds, 39.6 MB/s
> [buddie at db01 test]$ ls -la different-file
> -rw-rw-r-- 1 buddie buddie 13083100 Mar 21 19:10 different-file
> [buddie at db01 test]$
>
> With any different filename or filesize all works fine.
>
> Logs on client:
> -----------------------------------------------
> [2011-03-21 19:09:17.411876] E [client3_1-fops.c:1898:client3_1_lookup_cbk]
> 0-: error
> [2011-03-21 19:09:17.411915] W [fuse-bridge.c:184:fuse_entry_cbk]
> 0-glusterfs-fuse: 5014: LOOKUP() /1/test/d88946-001 => -1 (Invalid argument)
> -----------------------------------------------
>
> Logs on server:
> -----------------------------------------------
> [2011-03-21 19:09:19.103320] E [server.c:67:gfs_serialize_reply] 0-: Failed
> to encode message
> -----------------------------------------------
>
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