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Last night we changed several tape drives.

Our Domino backup used to run on a 3590E attached via 2749 to our 840. Now 
it runs on a 3582 fiber attached to a 5704.
The time went from 4 tapes running  between 18:45-23:02 to 1 tape running 
between 21:00 to 22:54.

Our DB2 backup used to run on a 3590E attached via 2749 to our 840.  Now 
it runs on a 3582 fiber attached to a 5704.
The time went from 1 tape running from 00:16-05:00 to 1 tape running from 
00:01-03:51.

Our TSM backup (which saves huge individual objects using SAVOBJ in one 
library) used to run on TWO 3581's attached via 2749, reading the object 
names individually off of a data queue from two separate backup jobs (one 
for each tape drive) from our 840.  Now it runs on ONE 3582 fiber attached 
via 5704.
The time went from 10-12 tapes running from 22:00-08:14 to 5 tapes running 
from 22:00-06:58.

Our 270 used to used to use a 25GB cartridge to save itself.  Now it runs 
on a 3580 attached via 2749 card.  That save used to run on 1 tape from 
00:01-01:46.  Now it runs from 00:01-00:46.

In summary,  the 3582 fiber attached via 5704 blows the doors off of the 
3590E attached via 2749.
And the 3582 fiber attached via 5704 blows the doors off of the 3581 
attached via 2749.
And the older 3581 attached via 2749 card blows the doors off of the 25GB 
cartridge.
Soon as we finish duping tapes from our 3590E to the 3582, and get that 
new hardware for our 820, the 3590's are out the door.

(Attention Internal people who were BCC'ed  Make sure you know how to 
operate these new drives.  Don't bug Peggy until this afternoon.  Those 
users who live and die by the backup times might need to be notified.
Don't do a reply all.)

(Attention:  IBMer who was also BCC'ed.  We are no longer using the tape 
drive associated with pmr89756,500.)

Rob Berendt
-- 
Group Dekko Services, LLC
Dept 01.073
PO Box 2000
Dock 108
6928N 400E
Kendallville, IN 46755
http://www.dekko.com


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