Sent: Monday, February 23, 2009 5:44 PM
To: ADSM-L@VM.MARIST.EDU
Subject: Re: [ADSM-L] backups direct to tape
I don't think the comment that simultaneous writes won't work for LAN Free.
The simultaneous write thing happens at the storage pool level (copystg=
parameter).
Kelly Lipp
CTO
, 2009 7:22 AM
To: ADSM-L@VM.MARIST.EDU
Subject: Re: [ADSM-L] backups direct to tape
In our experience, when we turned on simultaneous writes for the Lanfree
stgpool, the backups went to the network.
Fred Johanson
TSM Administrator
University of Chicago
773-702-8464
-Original Message
I have a question that I hope those using TSM to back up direct to tape
can answer. We don't, and never have, done this here and I'm not looking
to implement it either. I am really looking for information as to what
happens to the backup is a tape error occurs. (I just know I'm going to
get this
error on a tape will cause
TSM to mount another tape and restart the failed transaction. Data integrity is
the hallmark of the product.
Direct to tape backups are actually cool. In fact, you can write two tapes
simultaneously: the onlinepool and the drpool volumes. This avoids having
] On Behalf
Of
Kelly Lipp
Sent: Monday, February 23, 2009 11:28 AM
To: ADSM-L@VM.MARIST.EDU
Subject: Re: backups direct to tape
Gill,
I will start by asking: What do you think happens? The cool thing
about
TSM is it will usually do what you think it will do. If a tape error
occurs
@VM.MARIST.EDU
Subject: Re: [ADSM-L] backups direct to tape
Thanks for the response Kelly.
I actually thought it worked the way you explained but I did not want to
say something without confirmation since I wasn't exactly sure. I
didn't, however, know that you could write both pools at the same time
-L@VM.MARIST.EDU
Subject: Re: [ADSM-L] backups direct to tape
Gill,
I will start by asking: What do you think happens? The cool thing about TSM is
it will usually do what you think it will do. If a tape error occurs, the
current transaction (whatever it happens to be) will fail. What that means
...@vm.marist.edu] On Behalf Of Kelly
Lipp [l...@storserver.com]
Sent: Monday, February 23, 2009 1:28 PM
To: ADSM-L@VM.MARIST.EDU
Subject: Re: [ADSM-L] backups direct to tape
Gill,
I will start by asking: What do you think happens? The cool thing about
TSM is it will usually do what you think it will do
Message-
From: ADSM: Dist Stor Manager [mailto:ads...@vm.marist.edu] On Behalf Of Paul
Zarnowski
Sent: Monday, February 23, 2009 4:31 PM
To: ADSM-L@VM.MARIST.EDU
Subject: Re: [ADSM-L] backups direct to tape
Also, are these RMAN backups? If so, they use the API. I'm not sure if
simultaneous
