regards
Aravinda
On 03/08/2016 11:34 PM, Atin Mukherjee wrote:
On 03/07/2016 05:13 PM, Kotresh Hiremath Ravishankar wrote:
Added gluster-users.
Thanks and Regards,
Kotresh H R
----- Original Message -----
From: "Kotresh Hiremath Ravishankar" <khiremat@xxxxxxxxxx>
To: "Gluster Devel" <gluster-devel@xxxxxxxxxxx>
Sent: Monday, March 7, 2016 3:03:08 PM
Subject: [Gluster-devel] Using geo-replication as backup solution using gluster volume snapshot!
Hi All,
Here is the idea, we can use geo-replication as backup solution using gluster
volume
snapshots on slave side. One of the drawbacks of geo-replication is that it's
a
continuous asynchronous replication and would not help in getting the last
week's or
yesterday's data. So if we use gluster snapshots at the slave end, we can use
the
snapshots to get the last week's or yesterday's data making it a candidate
for a
backup solution. The limitation is that the snapshots at the slave end can't
be
restored as it will break the running geo-replication. It could be mounted
and
we have access to data when the snapshots are taken. It's just a naive idea.
Any suggestions and use cases are worth discussing:)
When you mention that gluster snapshot can be taken at the slave end how
does it guarantee that the data is available till yesterday or next week
considering the asynchronous nature of the replication strategy? (I've
very limited knowledge on geo replication, so I may sound stupid!)
Check my response in the same thread. Geo-rep now has a scheduler
script, which can be used to run Geo-replication whenever required.
It does the following to make sure everything is synced to Slave.
1. Stop Geo-replication if Started
2. Start Geo-replication
3. Set Checkpoint
4. Check the Status and see Checkpoint is Complete.(LOOP)
5. If checkpoint complete, Stop Geo-replication
Thanks and Regards,
Kotresh H R
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