Re: ADSM Project
1999-07-09 09:55:38
Thanks for the response.
I have looked and compared the IBM 3494 using 3590E drives against
StorageTek 9740 using 9840 drives. And even though IBM has a faster
drive (3590E) it looks technically (on paper) that StorageTek robotics
will offset the IBM drive speed. We would need two frames for IBM
compared to single StorageTek frame. IBM has an average access time
per frame around 65 seconds vs. StorageTek 18 second access time.
Which means we would waste a lot of time getting tapes on the IBM
library.
Another concern I have is nobody can get IBM's 3590E drives until
August (maybe) and what kind of bugs are they going to have.
______________________________ Reply Separator
_________________________________
Subject: Re: ADSM Project
Author: "ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU> (Joshua Bassi
<jbassi AT GLORYWORKS DOT COM>) at INET
Date: 7/8/99 6:11 PM
Master, I agree. Especially with the release of the high capacity E
series
tape drives out now.
Joshua S. Bassi
Storage Management Team Lead
AIX / ADSM Certified Specialist
Dickens Services Group
(404) 386-9848
jbassi AT gloryworks DOT com
www.TeamDSG.com
-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU]On
Behalf
Of
Rodrigo Cordovil Gazzaneo
Sent: Thursday, July 08, 1999 3:44 PM
To: ADSM-L AT VM.MARIST DOT EDU
Subject: Re: ADSM Project
Hi. Just one suggestion : I've seen so many people complaining about
their
StorageTek libraries on this list that I would suggest you to see
for
another options. Additional Magstar drives, for instance ...
good luck !
>Hello,
>I need some input on a ADSM upgrade project. Current environment is
>AIX 7026/H50,4.2.1.0, ADSM 3.1.2.1, Magstar MP L12, 45GB SSA disk
>pool. Clients are Solaris, Novell, NT servers. We backup 17
servers,
>12GB incrementals nightly in current environment.
>We need to backup 60 servers, 45GB incrementals in a 8 hour window
>nightly. Estimated capacity is a 7TB tape library and 320GB disk
pool
>(migration and archiving).
>I have propose to management the StorageTek 9740 using 9840 drives
>(4), two ultra-wide SCSI cards and Clariion fibre channel 5300,
128MB
>Cache.
>Question Can anybody give me a compelling reason to rethink my
>strategy.
>As always thanks in advance.
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