ADSM-L

Re: exabyte mammoth-2 tape drives

2001-01-08 11:30:59
Subject: Re: exabyte mammoth-2 tape drives
From: Steve Bennett <steve_bennett AT ADMIN.STATE.AK DOT US>
Date: Mon, 8 Jan 2001 07:34:54 -0900
Sekar,

We have been running our 4 mammoth drives for 14 months and have not
seen any tape issues. However when we upgraded to mammoth-2 drives we
discovered potential incompatabilities with aix 4.2.1 and/or adsm v3.
Now trying to move quickly to tsm 4.1.

sekar n wrote:
>
> Hi,
> I have a IBM 7331-305 on IBM RS6000 - 140P with twin
> Exabyte mammoth drive with 20 catridge ACL.
> AUTOLIB is defined to TSM ver 3.7 with AIX 4.3..
> I did have problem on restart of the system with the
> lib definitions of TSm going off, which i initially
> circumevened by making the devices defined and
> available in the init scripts. The reason probably was
> that aix also recognises as one of the boot device
> also. Also I could not use those drives for other
> operations.
> Later, i remember to have read a message in this very
> club, stating that if the drives to be included for
> TSm is defined for AIX first and then to Tivoli, the
> problem would be solved. Tivoli has supplied device
> details as per lpp which is stored as Tivoli Tape ...
>
> Hope this helps.
>
> I have also been wanting to find out the longivity of
> the mammoth storage media.  Earlier media of exabyte
> had a notable shelf storage period of 2-3 years after
> which the media is to be re-written. Please correct me
> if iam wrong on my observ.
>
> thanks.
>
> sekar narasimhan
> Chennai, India.
>
> nsekar99 AT yahoo DOT com
>
> --- Steve Bennett <steve_bennett AT ADMIN.STATE.AK DOT US>
> wrote:
> > Are any of you *SMers using the exabyte mammoth-2
> > tape drives under adsm
> > v3.1.2.50 running on aix 4.2.1? I know the mammoth-1
> > drives work fine.
> >
> > They do not show as being supported on v3.1.2, only
> > 3.7.3 and up but
> > since they are defined as other scsi devices in aix
> > they might work ok.
> >
> > Your experiences if any?
> >
> > --
> >
> > Steve Bennett, (907) 465-5783
> > State of Alaska, Information Technology Group,
> > Technical Services
> > Section
>
> __________________________________________________
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--
Steve Bennett, (907) 465-5783
Steve Bennett, (907) 465-5783
State of Alaska, Information Technology Group, Technical Services
Section
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