Sorry only read part of the email.
Hope the folowing helps
What I do is using the snapdrive CLI is something along the following lines.
Delete snapshot "snapshot5"
Rename snapshot "snapshot4 to snapshot5"
Rename snapshot "snapshot3 to snapshot4"
Rename snapshot "snapshot2 to snapshot3"
Rename snapshot "snapshot1 to snapshot2"
Snapshot create snapshot1
Thanks
Matt
----- Original Message -----
From: Daniel Keisling <daniel.keisling(a)austin.ppdi.com>
To: Davies,Matt; scl(a)sasha.acc.virginia.edu <scl(a)sasha.acc.virginia.edu>
Cc: toasters(a)mathworks.com <toasters(a)mathworks.com>
Sent: Tue Aug 05 17:55:02 2008
Subject: RE: Automatically delete snapshots based on number and not space availability
I create snapshots all day long using snapdrive.
My question is how to automatically delete snapshots based on the
_number_ of snapshots and not space availability (which is what the
autodelete setting uses), when those snapshots are taking from the host
(ie, snapdrive or regular rsh/ssh command).
Daniel
-----Original Message-----
From: Davies,Matt [mailto:MDAVIES@generalatlantic.com]
Sent: Tuesday, August 05, 2008 11:51 AM
To: Daniel Keisling; scl(a)sasha.acc.virginia.edu
Cc: toasters(a)mathworks.com
Subject: Re: Automatically delete snapshots based on number and not
space availability
If you have snapdrive installed, then you can use the snapdrive CLI to
create the snap from the host.
The other options are rsh or ssh to the filer to create the snapshot.
Cheers
Matt
----- Original Message -----
From: owner-toasters(a)mathworks.com <owner-toasters(a)mathworks.com>
To: Stephen C. Losen <scl(a)sasha.acc.virginia.edu>
Cc: toasters(a)mathworks.com <toasters(a)mathworks.com>
Sent: Tue Aug 05 17:38:00 2008
Subject: RE: Automatically delete snapshots based on number and not
space availability
Everyone is assuming that the NetApp will be taking the snapshots, which
is incorrect. I must do the snapshots from the host side in order to
quiesce the filesystem (actually, the database). My databases run on
LUNs over FCP. I do not want to try and coordinate the databases on the
host being quiesced at the same time the filer will automatically take
the snapshot.
Daniel
-----Original Message-----
From: Stephen C. Losen [mailto:scl@sasha.acc.Virginia.EDU]
Sent: Tuesday, August 05, 2008 11:01 AM
To: Daniel Keisling
Cc: toasters(a)mathworks.com
Subject: Re: Automatically delete snapshots based on number and not
space availability
> Greetings,
>
> I take a daily snapshots (named ss-YYYYMMDDHHmm) of several volumes on
> my filers. I would like to automatically delete the oldest snapshot
> (assuming it's not busy) when a certain number of snapshots are
present
> in the volume (ie, only keep the latest 3 snapshots). Is this
possible?
> If not, does anyone have any scripts where it can be done from a host?
>
> TIA,
>
> Daniel
Any reason you can't use the "snap sched" command for this?
snap sched volname 0 3 0
This takes a snapshot at midnight and keeps at most 3.
If midnight isn't suitable you can configure the hourly
option to take one hourly per day and keep 3. Suppose you
want 18:00
snap sched volname 0 0 3@18
Steve Losen scl(a)virginia.edu phone: 434-924-0640
University of Virginia ITC Unix Support
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