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

[Ben Werthmann]

> 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_
> gluster_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
>>
>
>
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