Hi,
It seems I have a related problem (just posted this on the mailing list).
Do you already have a solution for this problem?
gr.
Johan Huysmans
On 05-12-13 20:05, Bill Mair wrote:
Hi,
I'm trying to use glusterfs to mirror the ownCloud "data" area between
2 servers.
They are using debian jessie due to some dependancies that I have for
other components.
This is where my issue rears it's ugly head. This is failing because I
can't stat the files and directories on my glusterfs mount.
/var/www/owncloud/data is where I am mounting the volume and I can
reproduce the error using a simple php test application, so I don't
think that it is apache or owncloud related.
I'd be grateful for any pointers on how to resolve this problem.
Thanks,
Bill
Attached is "simple.php" test and the results of executing "strace
php5 simple.php" twice, once with the glusterfs mounted
(simple.php.strace-glusterfs) and once against the file system when
unmounted (simple.php.strace-unmounted).
------------------------------------------------------------------------
Here is what I get in the gluster log when I run the test (as root):
/var/log/glusterfs/var-www-owncloud-data.log
[2013-12-05 18:33:50.802250] D
[client-handshake.c:185:client_start_ping] 0-gv-ocdata-client-0:
returning as transport is already disconnected OR there are no frames
(0 || 0)
[2013-12-05 18:33:50.825132] D
[afr-self-heal-common.c:138:afr_sh_print_pending_matrix]
0-gv-ocdata-replicate-0: pending_matrix: [ 0 0 ]
[2013-12-05 18:33:50.825322] D
[afr-self-heal-common.c:138:afr_sh_print_pending_matrix]
0-gv-ocdata-replicate-0: pending_matrix: [ 0 0 ]
[2013-12-05 18:33:50.825393] D
[afr-self-heal-common.c:887:afr_mark_sources] 0-gv-ocdata-replicate-0:
Number of sources: 0
[2013-12-05 18:33:50.825456] D
[afr-self-heal-data.c:825:afr_lookup_select_read_child_by_txn_type]
0-gv-ocdata-replicate-0: returning read_child: 0
[2013-12-05 18:33:50.825511] D
[afr-common.c:1380:afr_lookup_select_read_child]
0-gv-ocdata-replicate-0: Source selected as 0 for /
[2013-12-05 18:33:50.825579] D
[afr-common.c:1117:afr_lookup_build_response_params]
0-gv-ocdata-replicate-0: Building lookup response from 0
[2013-12-05 18:33:50.827069] D
[afr-common.c:131:afr_lookup_xattr_req_prepare]
0-gv-ocdata-replicate-0: /check.txt: failed to get the gfid from dict
[2013-12-05 18:33:50.829409] D
[client-handshake.c:185:client_start_ping] 0-gv-ocdata-client-0:
returning as transport is already disconnected OR there are no frames
(0 || 0)
[2013-12-05 18:33:50.836719] D
[afr-self-heal-common.c:138:afr_sh_print_pending_matrix]
0-gv-ocdata-replicate-0: pending_matrix: [ 0 0 ]
[2013-12-05 18:33:50.836870] D
[afr-self-heal-common.c:138:afr_sh_print_pending_matrix]
0-gv-ocdata-replicate-0: pending_matrix: [ 0 0 ]
[2013-12-05 18:33:50.836941] D
[afr-self-heal-common.c:887:afr_mark_sources] 0-gv-ocdata-replicate-0:
Number of sources: 0
[2013-12-05 18:33:50.837002] D
[afr-self-heal-data.c:825:afr_lookup_select_read_child_by_txn_type]
0-gv-ocdata-replicate-0: returning read_child: 0
[2013-12-05 18:33:50.837058] D
[afr-common.c:1380:afr_lookup_select_read_child]
0-gv-ocdata-replicate-0: Source selected as 0 for /check.txt
[2013-12-05 18:33:50.837129] D
[afr-common.c:1117:afr_lookup_build_response_params]
0-gv-ocdata-replicate-0: Building lookup response from 0
Other bits of information
root@bbb-1:/var/www/owncloud# uname -a
Linux bbb-1 3.8.13-bone30 #1 SMP Thu Nov 14 02:59:07 UTC 2013 armv7l
GNU/Linux
root@bbb-1:/var/www/owncloud# dpkg -l glusterfs-*
Desired=Unknown/Install/Remove/Purge/Hold
|
Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version Architecture Description
+++-============================================-===========================-===========================-==============================================================================================
ii glusterfs-client 3.4.1-1 armhf clustered
file-system (client package)
ii glusterfs-common 3.4.1-1 armhf GlusterFS
common libraries and translator modules
ii glusterfs-server 3.4.1-1 armhf clustered
file-system (server package)
mount
bbb-1:gv-ocdata on /var/www/owncloud/data type fuse.glusterfs
(rw,relatime,user_id=0,group_id=0,default_permissions,allow_other,max_read=131072)
/etc/fstab
UUID=xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx /sdhc ext4 defaults 0 0
bbb-1:gv-ocdata /var/www/owncloud/data glusterfs
defaults,_netdev,log-level=DEBUG 0 0
ls -al on the various paths
root@bbb-1:/var/log/glusterfs# ll -d /sdhc/
drwxrwxr-x 7 root root 4096 Nov 28 19:15 /sdhc/
root@bbb-1:/var/log/glusterfs# ll -d /sdhc/gv-ocdata/
drwxrwx--- 5 www-data www-data 4096 Dec 5 00:50 /sdhc/gv-ocdata/
root@bbb-1:/var/log/glusterfs# ll -d /sdhc/gv-ocdata/check.txt
-rw-r--r-- 2 root root 10 Dec 5 00:50 /sdhc/gv-ocdata/check.txt
root@bbb-1:/var/www/owncloud# ll -d /var/www/owncloud/data/
drwxrwx--- 5 www-data www-data 4096 Dec 5 00:50 /var/www/owncloud/data/
root@bbb-1:/var/www/owncloud# ll -d /var/www/owncloud/data/check.txt
-rw-r--r-- 1 root root 10 Dec 5 00:50 /var/www/owncloud/data/check.txt
file & dir attr information:
root@bbb-1:/var/www/owncloud# attr -l /var/www/owncloud/data
Attribute "glusterfs.volume-id" has a 16 byte value for
/var/www/owncloud/data
root@bbb-1:/var/www/owncloud# attr -l /var/www/owncloud/data/check.txt
root@bbb-1:/var/www/owncloud#
root@bbb-1:/var/www/owncloud# attr -l /sdhc/gv-ocdata/
Attribute "glusterfs.volume-id" has a 16 byte value for /sdhc/gv-ocdata/
Attribute "gfid" has a 16 byte value for /sdhc/gv-ocdata/
Attribute "glusterfs.dht" has a 16 byte value for /sdhc/gv-ocdata/
Attribute "afr.gv-ocdata-client-0" has a 12 byte value for
/sdhc/gv-ocdata/
Attribute "afr.gv-ocdata-client-1" has a 12 byte value for
/sdhc/gv-ocdata/
root@bbb-1:/var/www/owncloud# attr -l /sdhc/gv-ocdata/check.txt
Attribute "gfid" has a 16 byte value for /sdhc/gv-ocdata/check.txt
Attribute "afr.gv-ocdata-client-0" has a 12 byte value for
/sdhc/gv-ocdata/check.txt
Attribute "afr.gv-ocdata-client-1" has a 12 byte value for
/sdhc/gv-ocdata/check.txt
root@bbb-1:/var/www/owncloud#
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