@mailman.eng.auburn.edu
Subject: Re: [Veritas-bu] Dedupe ratios and checkpoint backups
Haven?t done any comparisons but we use checkpoint for our big ERP DB
(near 6 TB) backup and still get good compression ratios. There is
nothing that has made me think I need to look at it or tweak it to get
better. I?d
] On Behalf Of
scott.geo...@parker.com
Sent: 08 September 2011 12:19
To: veritas-bu@mailman.eng.auburn.edu
Subject: Re: [Veritas-bu] Dedupe ratios and checkpoint backups
I think the question was: where is that file located when it is created, and
does it then get backed up by the job doing
...@mailman.eng.auburn.edu] *On Behalf Of *Lightner, Jeff
*Sent:* Tuesday, September 06, 2011 3:23 PM
*To:* scott.geo...@parker.com; veritas-bu@mailman.eng.auburn.edu
*Subject:* Re: [Veritas-bu] Dedupe ratios and checkpoint backups
Haven’t done any comparisons but we use checkpoint for our big ERP DB
*To:* scott.geo...@parker.com mailto:scott.geo...@parker.com;
veritas-bu@mailman.eng.auburn.edu
mailto:veritas-bu@mailman.eng.auburn.edu
*Subject:* Re: [Veritas-bu] Dedupe ratios and checkpoint backups
Haven't done any comparisons but we use checkpoint for our big ERP DB
(near 6 TB) backup and still get
If at all, this would probably affect fixed-block solutions more than the
variable-block ones. The variable-blocked solutions would continue to
look for identical blocks, but in different positions of the data stream.
From:
Stafford, Geoff gstaff...@barclaycardus.com
To:
of knowing if checkpoints were the culprit for the NBU5000
getting the lesser ratio, but it does present a plausible theory.
From:
scott.geo...@parker.com
To:
veritas-bu@mailman.eng.auburn.edu veritas-bu@mailman.eng.auburn.edu
Date:
09/06/2011 02:54 PM
Subject:
Re: [Veritas-bu] Dedupe ratios
, September 06, 2011 3:06 PM
To: veritas-bu@mailman.eng.auburn.edu
Subject: Re: [Veritas-bu] Dedupe ratios and checkpoint backups
To answer your question, we tested both the NBU 5000 (Symantec) and the DD860
(Data Domain) and the differences couldn't be more stark. I was using a 30
minute