hi Ryan,
What do you see in the logs of glusterfs mount and bricks? Do
you think it is possible for you to attach those logs to this thread so
that we can see what could be going on?
Pranith
On 07/28/2015 02:32 AM, Ryan Clough wrote:
Hello,
I have cross-posted this question in the bareos-users mailing list.
Wondering if anyone has tried this because I am unable to backup data
that is mounted via Gluster Fuse or Gluster NFS. Basically, I have the
Gluster volume mounted on the Bareos Director which also has the tape
changer attached.
Here is some information about versions:
Bareos version 14.2.2
Gluster version 3.7.2
Scientific Linux version 6.6
Our Gluster volume consists of two nodes in distribute only. Here is
the configuration of our volume:
[root@hgluster02 ~]# gluster volume info
Volume Name: export_volume
Type: Distribute
Volume ID: c74cc970-31e2-4924-a244-4c70d958dadb
Status: Started
Number of Bricks: 2
Transport-type: tcp
Bricks:
Brick1: hgluster01:/gluster_data
Brick2: hgluster02:/gluster_data
Options Reconfigured:
performance.io-thread-count: 24
server.event-threads: 20
client.event-threads: 4
performance.readdir-ahead: on
features.inode-quota: on
features.quota: on
nfs.disable: off
auth.allow: 192.168.10.*,10.0.10.*,10.8.0.*,10.2.0.*,10.0.60.*
server.allow-insecure: on
server.root-squash: on
performance.read-ahead: on
features.quota-deem-statfs: on
diagnostics.brick-log-level: WARNING
When I try to backup a directory from Gluster Fuse or Gluster NFS
mount and I monitor the network communication I only see data being
pulled from the hgluster01 brick. When the job finishes Bareos thinks
that it completed without error but included in the messages for the
job are lots and lots of permission denied errors like this:
15-Jul 02:03 ripper.red.dsic.com-fd JobId 613: Cannot open
"/export/rclough/psdv-2014-archives-2/scan_111.tar.bak":
ERR=Permission denied.
15-Jul 02:03 ripper.red.dsic.com-fd JobId 613: Cannot open
"/export/rclough/psdv-2014-archives-2/run_219.tar.bak": ERR=Permission
denied.
15-Jul 02:03 ripper.red.dsic.com-fd JobId 613: Cannot open
"/export/rclough/psdv-2014-archives-2/scan_112.tar.bak":
ERR=Permission denied.
15-Jul 02:03 ripper.red.dsic.com-fd JobId 613: Cannot open
"/export/rclough/psdv-2014-archives-2/run_220.tar.bak": ERR=Permission
denied.
15-Jul 02:03 ripper.red.dsic.com-fd JobId 613: Cannot open
"/export/rclough/psdv-2014-archives-2/scan_114.tar.bak":
ERR=Permission denied.
At first I thought this might be a root-squash problem but, if I try
to read/copy a file using the root user from the Bareos server that is
trying to do the backup, I can read files just fine.
When the job finishes is reports that it finished "OK -- with
warnings" but, again the log for the job is filled with
"ERR=Permission denied" messages. In my opinion, this job did not
finish OK and should be Failed. Some of the files from the HGluster02
brick are backed up but all of the ones with permission errors do not.
When I restore the job, all of the files with permission errors are empty.
Has anyone successfully used Bareos to backup data from Gluster
mounts? This is an important use case for us because this is the
largest single volume that we have to prepare large amounts of data to
be archived.
Thank you for your time,
___________________________________________
¯\_(ツ)_/¯
Ryan Clough
Information Systems
Decision Sciences International Corporation
<http://www.decisionsciencescorp.com/><http://www.decisionsciencescorp.com/>
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