You need to redo the LABEL LIBVOL command with OVERWRITE=YES to format the old tapes
for the DLT 8000. (Be careful with overwrite=yes that you don't relabel tapes with
data on them - this can and has been done)!
David B. Longo
System Administrator
Health First, Inc.
3300 Fiske Blvd.
Rockledge, FL 32955-4305
PH 321.434.5536
Pager 321.634.8230
Fax: 321.434.5525
[EMAIL PROTECTED]
>>> [EMAIL PROTECTED] 02/28/01 01:34PM >>>
Marita,
If you are re-using the same tapes that you used in the DLT 4000s, I believe
this is the problem. Because the tape was formated with DLT 4000, the DLT 8000
drive will read and use the tape at that density. I believe you have to do some
type of low level format or re-initialization of the tape forcing the DLT 8000
format. Then you should be ok. I haven't done this before, so what I said will
have to be confirmed & you will have to find the command syntax to format.
Larry
"Marita Gonsalves" <[EMAIL PROTECTED]> on 02/27/2001
01:44:44 PM
Please respond to "ADSM: Dist Stor Manager" <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
cc: (bcc: Larry Girardi/IS/Travelers)
Subject: DLT Tape capacity - I'm stumped
Hello all :
About 3 weeks ago, we upgraded our tape libraries from a DLT 4000 to a DLT
8000 (ADIC Faststor 22).
On the hardware side, I've set the density to 40c on the tapes (all
Fujifilm DLTIV's) I reclaim. I then do a "label libvol..." before I check
it in. On the software side, I've set the devclass format to DLT40C.
While the tape is being written to, I see an estimated capacity of 40GB's.
However, once it's full, the capacity is approx. 35 GB's.
When I talked with TSM's tech support, I was told that I should get atleast
80 GB's on a tape. They couldn't tell me why I was only getting 35 GB's. I
went through this listserv's archives and only came across one posting
titled "DLT8000 experience?" by Jesper Kjer on May 12, 2000 where he said
that half the time tapes do not format at 40 GB's. In my case, it seems to
be all the time. Is there something I may have missed in my configuration?
This is really driving me crazy and I'd appreciate any suggestions to fix
this problem. I'm running TSM 3.7.3.6 on NT 4.0.
Thanks,
Marita Gonsalves
Information Services Consultant
Cary Academy, Cary NC
(919)677-1946 x4555
"MMS <health-first.org>" made the following
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