Re: anyone using ATA disk systems
2003-05-23 10:21:51
Hey Andy R, how about getting some Tivoli developers on the server-side
to throw some answers at this. I have spoken with many users, business
partners, & architects and have yet to get a consistant picture. Some
insist that using one huge diskpool works fine, others say the disk
format leads to disastrous fragmentation and the only way to go is file
class volumes, still others say not to even try this approach. Maybe a
Tivoli white paper specifically addressing disk-only primary storage
pools would give a definitive answer?
-----Original Message-----
From: Talafous, John G. [mailto:Talafous AT TIMKEN DOT COM]
Sent: Friday, May 23, 2003 9:26 AM
To: ADSM-L AT VM.MARIST DOT EDU
Subject: Re: anyone using ATA disk systems
We too are considering a mass expansion of our storage pools to
implement Disk to Disk backup via TSM. The reason is to enhance recovery
times. The Nexsan ATABeast is under consideration. We currently have
about 40TB backed up to TSM storage pools. I am thinking of bringing in
MANY TB of ATABeast so that we can discontinue migration to tape. I am
curious as to what happens internally in TSM when you drive your storage
pool utilization to, say, 80% and hold it there? Are there any
performance penalties? Any cautions? Any real world experience? How
much ATA should I consider?
TIA,
John G. Talafous IS Technical Principal
The Timken Company Global Software Support
P.O. Box 6927 Data Management
1835 Dueber Ave. S.W. Phone: (330)-471-3390
Canton, Ohio USA 44706-0927 Fax : (330)-471-4034
talafous AT timken DOT com http://www.timken.com
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