[Gluster-users] Backup and Restore strategy in Gluster FS 3.8.4

[Sunil Aggarwal]

Thanks a lot Ben for your suggestions. I will consider them and see how it
goes.

Regards,
Sunil

On Wed, Sep 20, 2017 at 11:15 PM, Ben Werthmann <ben at apcera.com> wrote:

>
> First, please note that gluster 3.8 is EOL and that 3.8.4 is rather old in
>> the 3.8 release, 3.8.15 is the current (and probably final) release of 3.8.
>>
>> "With the release of GlusterFS-3.12, GlusterFS-3.8 (LTM) and GlusterFS-
>> 3.11 (STM) have reached EOL. Except for serious security issues no
>> further updates to these versions are forthcoming. If you find a bug please
>> see if you can reproduce it with 3.10 or 3.12 and
>> file a BZ if appropriate."
>> http://lists.gluster.org/pipermail/packaging/2017-August/000363.html
>>
>> Gluster 3.12 includes '#1428061 <https://bugzilla.redhat.com/1428061>:
>> Halo Replication feature for AFR translator' which was introduced in 3.11.
>> See Halo Replication feature in AFR has been introduced
>> <https://gluster.readthedocs.io/en/latest/release-notes/3.11.0/> for a
>> summary. 3.11 is EOL, best to use 3.12 (long term release) if this is of
>> interest to you.
>>
>> On Thu, Aug 24, 2017 at 4:18 AM, Sunil Aggarwal <sunchill.06 at gmail.com>
>> wrote:
>>
>>> Hi,
>>>
>>> What is the preferred way of taking glusterfs backup?
>>>
>>> I am using Glusterfs 3.8.4.
>>>
>>> We've configured gluster on thick provisioned LV in which 50% of the VG
>>> is kept free for the LVM snapshot.
>>>
>>
>> Gluster Volume Snapshots require each brick to have it's own thin LV.
>> Only thin LVs are supported with volume snapshots.
>>
>> Gluster snapshots do not provide a recovery path in the event of
>> catastrophic loss of a Gluster volume.
>>
>>  -  Gluster Volume Snapshots provide point-in-time recovery for a healthy
>> Gluster Volume. A restore will reset the entire volume to a previous
>> point-in-time recovery point. Granular recovery may be performed with admin
>> intervention.
>>  - User Serviceable Snapshots exposes Gluster Volume Snapshots via the
>> .snaps directory in every directory of the mounted volume. Please review
>> documentation for requirements specific to each protocol used to access the
>> gluster volume.
>>
>>
>>> is it any different then taking snapshot on a thin provisioned LV?
>>>
>>
>> If you don't want Gluster Volume Snapshots, and are just looking to
>> backup the current state of a volume, Gluster offers a number of features
>> to recover from catastrophic loss of a Gluster volume.
>>
>>  - Simple method: mount the gluster volume and run your backup utility of
>> choice
>>  - glusterfind generates a file list (full and incremental) for passing
>> to another utility to generate a backup. See:
>>   http://docs.gluster.org/en/latest/GlusterFS%20Tools/glusterfind/
>>   https://milindchangireblog.wordpress.com/2016/10/28/why-glusterfind/
>>   http://lists.gluster.org/pipermail/gluster-users/2017-August
>> /032219.html
>>  - Geo-replication provides a distributed, continuous, asynchronous, and
>> incremental replication service from one site to another over Local Area
>> Networks (LANs), Wide Area Networks (WANs), and the Internet. (taken from
>> RedHat doc)
>>
>>
>> Please see docs for additional info about each of the above:
>> https://access.redhat.com/documentation/en-us/red_hat_gluste
>> r_storage/3.2/pdf/administration_guide/Red_Hat_Gluster_
>> Storage-3.2-Administration_Guide-en-US.pdf
>>
>>
>>>
>>> --
>>> Thanks,
>>> Sunil Aggarwal
>>> 844-734-5346 <%28844%29%20734-5346>
>>>
>>> _______________________________________________
>>> Gluster-users mailing list
>>> Gluster-users at gluster.org
>>> http://lists.gluster.org/mailman/listinfo/gluster-users
>>>
>>
>>
>


-- 
Thanks,
Sunil Aggarwal
844-734-5346
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