Hi Sobhan,
Thanks for the comments. It was a very quick writeup so that there is at
least some clarity on the implementation internals. I will try to find
time and plug in some more details.
I am not quite sure what you mean by "the default value of the option of
uss" but am assuming its the option of turning the feature on/off? If
so, this will be set to "off" by default initially. The admin would need
to turn uss on for a given vol.
Thanks,
Anand
On 05/06/2014 10:08 PM, Sobhan Samantaray wrote:
Hi Anand,
Thanks to come-up with the nice design. I have couple of comments.
1. It should be mention in the design the access-protocols that should be
used(NFS/CIFS etc) although the requirement states that.
2. Consideration section:
"Again, this is not a performance oriented feature. Rather, the goal is to allow a
seamless user-experience by allowing easy and useful access to snapshotted volumes and
individual data stored in those volumes".
If it is something that fops performance would not be impacted due to the
introduction of this feature then it should be clarified.
3. It's good to mention the default value of the option of uss.
Regards
Sobhan
From: "Paul Cuzner" <pcuz...@redhat.com>
To: ana...@redhat.com
Cc: gluster-devel@gluster.org, "gluster-users" <gluster-us...@gluster.org>, "Anand
Avati" <aav...@redhat.com>
Sent: Tuesday, May 6, 2014 7:27:29 AM
Subject: Re: [Gluster-devel] [Gluster-users] User-serviceable snapshots design
Just one question relating to thoughts around how you apply a filter to the
snapshot view from a user's perspective.
In the "considerations" section, it states - "We plan to introduce a configurable
option to limit the number of snapshots visible under the USS feature."
Would it not be possible to take the meta data from the snapshots to form a
tree hierarchy when the number of snapshots present exceeds a given threshold,
effectively organising the snaps by time. I think this would work better from
an end-user workflow perspective.
i.e.
.snaps
\/ Today
+-- snap01_20140503_0800
+-- snap02_ 20140503_ 1400
Last 7 days
7-21 days
21-60 days
60-180days
180days
From: "Anand Subramanian" <ansub...@redhat.com>
To: gluster-de...@nongnu.org, "gluster-users" <gluster-us...@gluster.org>
Cc: "Anand Avati" <aav...@redhat.com>
Sent: Saturday, 3 May, 2014 2:35:26 AM
Subject: [Gluster-users] User-serviceable snapshots design
Attached is a basic write-up of the user-serviceable snapshot feature
design (Avati's). Please take a look and let us know if you have
questions of any sort...
We have a basic implementation up now; reviews and upstream commit
should follow very soon over the next week.
Cheers,
Anand
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