Considering that each drive can handle 15MB/sec natively (30 MB/sec
compressed) this relates to 54GB/hour per drive therefore 6 drives can do
324GB/hour natively or 600GB in two hours native speed. Yes the drive can
handle it. The M80 also should be able to handle the load. The real question
is whether you get TDP for oracle to multistream across all four drives.
This sometimes depends on the database layout. If you have multiple smaller
tablespaces or 1 or 2 large tablespaces. Also how much memory does the M80
have?
Thanks
Marc
_________________________________________________
Marc Layne
Product Manager - Services, Storage and Software Solutions
Faritec
Mobile: +27 82 4169086 email: [EMAIL PROTECTED]
<mailto:[EMAIL PROTECTED]>
Office: + 27 21 7629702 http://www.faritec.co.za/
_________________________________________________
-----Original Message-----
From: Shen Ou [mailto:[EMAIL PROTECTED]]
Sent: 28 February 2001 01:14
To: [EMAIL PROTECTED]
Subject: How long will be backup task finished ?
My customer has a Oracle 8.1.6 database on IBM AIX M80 (4 CPU) and its size
is 600G. He want to do a full backup using IBM LTO 3584 with 6 drivers. The
LTO 3584 attach with M80 using SCSI 2 Line. TSM server and client are on
M80 at the same time.He want to finish the backup task in 4 hours using TDP
for oracle,TSM 4.1 and LTO device.
My question is can he finish the backup task in four hours ? If can't ,
what's the bottleneck ?
Thanks .
Shen Ou
Tivoli System
IBM China Shanghai Software Center
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