We already have several media servers sharing the drives; I think it
would make matters more complex to have to add more servers sharing,
especially if we end up with a few clients in this situation. We
originally looked at using SAN Media Servers (for the Solaris side) and
were advised our current setup is better / more flexible. Thanks for
the suggestion though - it's another one to add into the mix.
regards, Phil
-----Original Message-----
From: Spearman, David [mailto:spe08 AT co.henrico.va DOT us]
Sent: 20 October 2005 18:03
To: Weber, Philip; veritas-bu AT mailman.eng.auburn DOT edu
Subject: RE: [Veritas-bu] Large Windows Clients
Philip,
If your windows client is on fibre and it can see the LTO's you might
consider getting a SAN Media Server license. It will allow you to make
that particular box a "media server" except that it can only back itself
up. You present the drives over the fibre to the windows box and use
them for the backup. This also requires a SSO license. A bit expensive
perhaps but it would allow your large windows box direct access to the
tape unit(s). We did this to one of our boxes and increased backup speed
five fold.
David Spearman IT
County of Henrico, Va.
-----Original Message-----
From: veritas-bu-admin AT mailman.eng.auburn DOT edu
[mailto:veritas-bu-admin AT mailman.eng.auburn DOT edu] On Behalf Of Weber,
Philip
Sent: Thursday, October 20, 2005 12:53 PM
To: veritas-bu AT mailman.eng.auburn DOT edu
Subject: [Veritas-bu] Large Windows Clients
Master/Media : Solaris 9 with NBU 5.1.
Client : Win2K / Win2003.
Storage : EMC Clariion / IBM ESS.
Hi all, we have got a couple of Windows fileservers of around 1.5 Tb
(which is a lot of data for us, at least in terms of the time taken to
back up...)
We have had some success with Solaris & Oracle, using Advanced Client to
backup offhost (media server) with Vxfs / nbu_snap snapshots and I would
like to do the same sort of thing for our Windows clients. However, the
options seem to be more limited, i.e. to FlashSnap and offhost/alternate
client. I am not sure this would get the data off the network and onto
the fibre or how relevant FlashSnap would be for us.
What sort of things do other people do to back up large Windows boxes?
At present I have to use file lists to attempt to split the drives into
multiple streams, and in general all the data is on one drive and hence
going to one tape drive. I know this means that with LTO2 I *should* be
able to get this down to around 10 hours, but this isn't happening
(network/client server size limitations I think), and anyway as the
servers grow it will become worse. I am trying to look across the board
to see the best way of doing this, and struggling a bit as I am a UNIX
person...
Ideally I would like to
o use some snapshot technology to potentially keep backup images for
restore o transfer data over the fibre rather than network o remove
load from the client o split the backup more sensibly i.e. without
being limited to the drive letters (o and reduce the amount of data ...
but that's another discussion!)
thanks for any suggestions,
regards, Phil
Egg plc
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