ADSM-L

Re: Disaster Recovery

2002-04-16 16:27:10
Subject: Re: Disaster Recovery
From: David Longo <David.Longo AT HEALTH-FIRST DOT ORG>
Date: Tue, 16 Apr 2002 16:27:12 -0400
How do you get the "libraries" connected to ESS?  Disks can be mirrored
but not tapes! I don't think there is a way to do what you say.  Maybe some
real DRM or HA expert has an answer!

I think there is a way for both RS/6000's to see both libraries, takes
some extra hardware and config steps.  I've seen it done in past
just don't have details.

However if you loose contact with one library, the second library
doesn't have access to the data in the first.

David Longo

>>> RLake AT TANDB.CO DOT UK 04/16/02 07:17AM >>>
Hi guys,

I am in the situation whereby I have to think about DR soon, and need
the best solution.

Here is the story so far:-

I have a TSM Server on an RS/6000 plugged into a 3583 library on one
site. The DR suite is 4 to 500 yards down the road. This has another
RS/6000 with a second 3583 library plugged into it for HA purposes.

What i need to be able to do, when the Primary Server fails over to the
secondary Server (In a HA situation), is to get it to use the second
library.

Both of the two libraries are plugged into to mirrored ESS's, so both
the RS/6000's should be able to see BOTH libraries.

What I was thinking of doing was putting copy tapes into the second
library, and onsite tapes into the first and utilising both librarys at
the same time - can this be done?.

If anyone could give me and pointers here as to the best approach or
any possible OTHER approaches, then I would be forever in their debt!.

Kind Regards,

Roy Lake
RS/6000 & TSM Systems Administration Team
Tibbett & Britten European I.T.
Judd House
Ripple Road
Barking
Essex IG11 0TU
0208 526 8853
rlake AT tandb.co DOT uk 

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"MMS <health-first.org>" made the following
 annotations on 04/16/02 16:41:24
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