ADSM-L

Re: AW: Incremental Forever

2000-05-04 11:42:33
Subject: Re: AW: Incremental Forever
From: "Mr. Lindsay Morris" <lmorris AT OPENMIC DOT COM>
Date: Thu, 4 May 2000 11:42:33 -0400
We encountered this painful behavior for a while - I recall that IBM CE upgraded
the firmware on the drives to fix it.

Richard Sims wrote:

> >As the CE explained it, he understood that every 3590B, readonly to ADSM,
> >required at least two and maybe three passes the first time it was mounted
> >on a 3590E, once to find the end of the cartridge and once to verify or
> >rebuild the VCR.  He wasn't sure if the restore was done on this second
> >pass or on a third.
>
> Interesting.  If someone has a doc reference on this behavior, please post it,
> as it would be valuable to review.  I presume that the ASSISTVCRRECovery
> server option was Yes, but didn't help
>
> If this is the case, then IBM might recommend (or even provide) using a simple
> batch method outside of *SM to mount each old 3590 tape so as to get the VCR
> resets over with in one operation such that subsequent *SM usage would not
> incur a performance penalty.
>
>     Richard Sims, BU

--
Mr. Lindsay Morris
Mr. Lindsay Morris
Certified: AIX,ADSM, TSM, HACMP,SP
Gresham Enterprise Storage
lmorris AT openmic DOT com
606-253-8000
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