Vladimir,
If you have more than 1 secondary storage in a zone, all 'public' templates
and IOSs are written to all of them, to provide redundancy. The first volume
Snapshot for any given volume are written to one of them chosen at random,
then all other snapshots linked to that first snapshot are always written to
the same secondary storage.
This is currently no way to specify that one secondary storage is for Templates
and ISOs, and another is for Snapshots, although I like the idea of this. I
see the benefit that you could have a small secondary storage server for
Templates and ISOs, optimised for read performance, and a much bigger one for
Snapshots optimised for write performance etc.
Why don't you log a feature request.
Regards
Geoff Higginbottom
D: +44 20 3603 0542 | S: +44 20 3603 0540 | M: +447968161581
geoff.higginbot...@shapeblue.com
-Original Message-
From: Vladimir Melnik [mailto:v.mel...@uplink.ua]
Sent: 28 March 2014 14:58
To: users@cloudstack.apache.org
Subject: Multiple secondary storages in a zone
Dear colleagues,
How ACS-4.x decides which secondary storage to use when making a snapshot?
Is there any hacks to use without making changes in sources?
I'd like to store snapshots and templates on different secondary storages, is
it possible?
Thanks in advance for any hints, ideas and suggestions!
V.
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