configuring dlt drive to RS/6000 using adsm
1998-09-20 13:55:06
Subject: |
configuring dlt drive to RS/6000 using adsm |
From: |
Madhu Gandhi <madhug AT PRODIGY DOT NET> |
Date: |
Sun, 20 Sep 1998 13:55:06 -0400 |
Any help wil be welcome....
Need to configure tape drive, library etc....
madhug AT prodigy DOT net
----------
> From: Dwight Cook <decook AT AMOCO DOT COM>
> From: Dwight Cook <decook AT AMOCO DOT COM>
> To: ADSM-L AT VM.MARIST DOT EDU
> Subject: Re: Upgrading to DLT 7000s Tape Drives from DLT 4000s
> Date: Tuesday, July 21, 1998 10:37 AM
>
> If the new drives support the multiple densities you can define the
> device class as format=drive and adsm should write at the highest
> density available on the drive. IF YOU LEAVE A MIXTURE OF DRIVES DO
> NOT SPECIFY DRIVE (see the "Attention" in the adsm admin reference
> under define devclass)
> The drives should read (if the drive hardware allows) the tapes at
the
> density at which they were written.
> To eliminate potential problems you might want to mark any filling
> volumes as readonly and let it just pickup with fresh scratch
volumes
> for the higher density writes. Normal expiration and reclamation
> should catch all volumes with a "full" status but the "filling"
> volumes that you mark "readonly" you would have to perform a "move
> data" against in order to clear them.
>
> hope this helps,
> later,
> Dwight
>
>
> ______________________________ Reply Separator
_________________________________
> Subject: Upgrading to DLT 7000s Tape Drives from DLT 4000s
> Author: Guy.LaCreta (Guy_LaCreta AT mckinsey DOT com) at unix,mime
> Date: 7/20/98 3:08 PM
>
>
> Hi ADSMers,
>
> We are thinking about upgrading to DLT 7000 (7K) Tape Drives from DLT
> 4000s (4K).
>
> We are using ADSM ver. 3.1 and ACSLS ver 5.2 on a RS/6000 running AIX
> 4.2.1.
>
> The tape silo we have is a Storage Tek 9710.
>
> Q1. Does anyone have an experience upgrading 4K tape drives to 7Ks with
> ADSM?
>
> Q2. Can you continue operating without making any additional changes to
the
> software other then device drivers, etc.?
>
> Q3. Are the tapes created using the 4Ks read/write reliable with the
7Ks?
> (Supposed to be; experience?)
>
> Q4. Do the tapes created by 4Ks remain in 4K format or do they migrate to
> 7K format?
>
> Q5. Can the 4K created tapes be migrated to 7K format?
>
> Q6. Is there any problem having both 4K created tapes and 7K created
tapes
> in the same library?
>
> Q7. When you are reading or writting to a 4K created tape on 7K drives
is
> there any performance degradation
> as opposed to reading or writting a 4K created tape on a 4K
drive?
>
> Thanks for your help.
>
> Guy
|
<Prev in Thread] |
Current Thread |
[Next in Thread> |
- configuring dlt drive to RS/6000 using adsm,
Madhu Gandhi <=
|
|
|