[Gluster-users] Using TSM to back-up glusterfs

Anand Avati anand.avati at gmail.com
Tue Jun 28 07:17:05 PDT 2011


Can you post the client log files?

Avati

On Tue, Jun 28, 2011 at 7:42 PM, Pat Haley <phaley at mit.edu> wrote:

> Hi Anand Babu Periasamy,
>
> Yes, I can read
>
>
> /gdata/projects/philex/OAG/**2011/May16/mdor3km07/coast_**den2.in<http://coast_den2.in>
>
> directly from the backend  disk (specifically: logged onto
> machine containing the disk and did a more).
>
> Furthermore I can read (i.e. "more") that file other nodes
> in our cluster going through gluster.
>
> Following up on another lead from this list, the TSM software
> is not using direct i/o (O_DIRECT).
>
>
>  On Mon, Jun 27, 2011 at 12:08 PM, Pat Haley <phaley at mit.edu <mailto:
>> phaley at mit.edu>> wrote:
>>
>>
>>    Hi
>>
>>    We have been trying back-up a glusterfs (v3.1.4) area using
>>    the Tivoli TSM software to an off-site area.  The back-up
>>    keeps failing with the following typical error messages
>>
>>    06/14/2011 22:22:58 ANS1587W  I/O error reading file attributes for:
>>    /gdata/projects/philex/OAG/__**2011/May16/mdor3km10/coast___**den2.in<http://coast___den2.in>
>>    <http://coast_den2.in>. errno = 22, Invalid argument
>>
>>
>>    06/14/2011 22:22:59 ANS4007E Error processing
>>    '/gdata/projects/philex/OAG/__**2011/May16/mdor3km07/coast___**den2.in<http://coast___den2.in>
>>    <http://coast_den2.in>': access to the object is denied
>>
>>
>>    We originally thought the problem was bad meta-pointer files,
>>    but we still experience the failures after deleting all meta-pointer
>>    files.
>>
>>    Has anyone else experienced/solved this problem?
>>
>>    -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=**__-=-=-=-=-=-=-=-=-=-=-=-=-=-=**
>> -=__-=-=-
>>    Pat Haley                          Email:  phaley at mit.edu
>>    <mailto:phaley at mit.edu>
>>
>>    Center for Ocean Engineering       Phone:  (617) 253-6824
>>    <tel:%28617%29%20253-6824>
>>
>>    Dept. of Mechanical Engineering    Fax:    (617) 253-8125
>>    <tel:%28617%29%20253-8125>
>>
>>    MIT, Room 5-222B                   http://web.mit.edu/phaley/www/
>>    77 Massachusetts Avenue
>>    Cambridge, MA  02139-4301
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>> >
>>
>>    http://gluster.org/cgi-bin/__**mailman/listinfo/gluster-users<http://gluster.org/cgi-bin/__mailman/listinfo/gluster-users>
>>    <http://gluster.org/cgi-bin/**mailman/listinfo/gluster-users<http://gluster.org/cgi-bin/mailman/listinfo/gluster-users>
>> **>
>>
>>
>>
>> Hi Pat, Let me get some one from the engineering team to coordinate with
>> you. For now, you can check this:
>>
>> '/gdata/projects/philex/OAG/__**2011/May16/mdor3km07/coast___**den2.in<http://coast___den2.in><
>> http://coast_den2.in/>
>>
>> This file must exist on one of the backend disks. See if you can directly
>> read from the backend disks. If it is not a bad backend disk, then it is a
>> GlusterFS issue.
>>
>> If you provide us remote access via reverse-ssh / screen or webex, we can
>> quickly narrow down. We don't have a TSM environment in our labs. You can
>> help us validate compatibility.
>> Also I am not sure if TSM allows scripting. If we can make TSM tools use
>> GlusterFS 3.2 marker APIs, then you can achieve continuous backup
>> functionality (backup data as and when it changes, without crawling the name
>> space). It will significantly improve your backup performance (no more
>> backup windows). Marker APIs can even be invoked via shell scripting using
>> attr tools.
>>
>> --
>> Anand Babu Periasamy
>> Blog [http://www.unlocksmith.org <http://www.unlocksmith.org/>]
>>
>>
>> Imagination is more important than knowledge --Albert Einstein
>>
>
>
> --
>
> -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=**-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=**-=-=-
> Pat Haley                          Email:  phaley at mit.edu
> Center for Ocean Engineering       Phone:  (617) 253-6824
> Dept. of Mechanical Engineering    Fax:    (617) 253-8125
> MIT, Room 5-222B                   http://web.mit.edu/phaley/www/
> 77 Massachusetts Avenue
> Cambridge, MA  02139-4301
> ______________________________**_________________
> Gluster-users mailing list
> Gluster-users at gluster.org
> http://gluster.org/cgi-bin/**mailman/listinfo/gluster-users<http://gluster.org/cgi-bin/mailman/listinfo/gluster-users>
>
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