Summary: Tape drive issues

From: Ron Bramblett <bramblet_at_fuller.com>
Date: Thu, 19 Jul 2001 12:09:27 -0500

Original question below.
Thanks to the 3 people who responded. George Gallen, Jeffrey Hummel and
Selden Ball.
Everyone says that the DLT's are the most reliable tape drives. They are
also faster than the 4mm tape drive.
I called Storage works and they told me the same thing. They pointed out
where I can get the information like reliability etc. (From Quantum's
website)

I have now left the decision in my supervisor's hands. Thanks for the
help.

-------- Original Message --------

Hello,
I have an AS2000 4/233 with 4 4-3 GB drives currently and 2 TLZ07 tape
drives (1 internal, 1 external)

I am in the process of upgrading these hard drives to 9.0 GB drives. My
question is this:
    Currently we use vdump and vrestore to backup / restore the data. We
have a database that is raided together and that gets backed up to the
ext. tape drive. At the same time the system gets backed up to the int.
tape drive. I have proposed a TZ88N-TA (DLT 20/40) tape drive to replace
the external one because the database is getting replaced with the 9.0
GB drives.

Has anyone seen problems with theses tape drives?? What would happen if
we have mismatched media on this system?? (1 4mm int. 1 DLT ext)?? Our
backup jobs are geared so that they can run on either drive if we have
problems.

Are there any recommendations that anyone would recommend. Do I need to
try and get 2 DLT tape drives?? Would the 8MM tape drives work?? Are
there faster tape drives 4MM that would work faster?? My current tape
drives will handle the database but it is starting to spawn multiple
disks. I was just looking at the fact that the more tapes the longer the
backup process and we can't afford the time to have processing drag out.

Any ideas would be appreciated.
Thanks

--
Ron Bramblett
Systems Admin
Fuller Brush Company
Received on Thu Jul 19 2001 - 17:10:20 NZST

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