To:
ADSM-L@VM.MARIST.EDU
Date:
05/05/2010 10:45 AM
Subject:
Re: [ADSM-L] Backing up Light Speed compressed files
Sent by:
"ADSM: Dist Stor Manager"
Several folks suggested not compressing on tape. As my LTO2 devclass was
format: ULTRIUM2C, I created another devclass that was just UL
Dist Stor Manager [mailto:ads...@vm.marist.edu] On Behalf Of David
Longo
Sent: Tuesday, April 27, 2010 1:44 PM
To: ADSM-L@VM.MARIST.EDU
Subject: [ADSM-L] Backing up Light Speed compressed files
I have never been concerned with compressed files, never used
compression on TSM - except on my LTO t
nally."
Emmitt L. Brown
-Original Message-
From: ADSM: Dist Stor Manager [mailto:ads...@vm.marist.edu] On Behalf Of David
Longo
Sent: Tuesday, April 27, 2010 1:44 PM
To: ADSM-L@VM.MARIST.EDU
Subject: [ADSM-L] Backing up Light Speed compressed files
I
Modern tape drive hardware has compression techniques which are smart
enough to avoid issues with data that is already compressed (see
http://en.wikipedia.org/wiki/Linear_Tape-Open)
. I'm not aware of any good reasons to turn off compression in a
modern tape drive: it can handle itself.
Rich
Light Speed compressed files
I have never been concerned with compressed files, never used compression on
TSM - except on my LTO tapes.
Now, we have a new situation. We have had a client with SQL DB and the DBA's do
the dumps to disk and I pick up. (Can't use TDP SQL, long story.)
Message-
From: ADSM: Dist Stor Manager [mailto:ads...@vm.marist.edu] On Behalf Of
David Longo
Sent: Tuesday, April 27, 2010 2:44 PM
To: ADSM-L@VM.MARIST.EDU
Subject: [ADSM-L] Backing up Light Speed compressed files
I have never been concerned with compressed files, never used
compression on TSM
I have never been concerned with compressed files, never used
compression on TSM - except on my LTO tapes.
Now, we have a new situation. We have had a client with SQL DB and
the DBA's do the dumps to disk and I pick up. (Can't use TDP SQL,
long story.) The dumps were lately (6) 200 GB files, t
