On Fri, Mar 16, 2001 at 10:25:01AM +0200, Miriam Ben-Haim wrote:
Miriam,
STK L700 works quite well for us. As soon as we fixed problems
with SAN/st driver/cleanings we didn't have much problems
with tape drives.
Thanks,
Andrew
> On Thu, 15 Mar 2001, Sixbury, Dan wrote:
>
> >We recently replaced a library and it is the latest IBM LTO library with 8
> >drives. We don't have many clients backing up to it yet, but I was
> >impressed with the speed that tapes were loaded and written to.
>
> Which library did you buy?
>
> We consider the IBM 3584 library, and I'll be glad to get information
> about how reliable it is. Our current STK9710 gave us too much trouble
> (very often drives go down).
>
> >In your case it depends on budget and the direction you are tyring to go. I
> >would talk to your local vendor to verify if what the other person said was
> >true about the newer drives not being able to write to the older tapes. My
> >experience has normally been that newer drives read and write to older
> >tapes, but that older drives will not support newer tapes. Of course I
> >vaguely remember hearing something about a difference in compatibility with
> >the newer DLT drives. Once again, believe nothing and verify from the
> >vendor.
>
> If we (find the budget and) buy the 3584 library with LTO drives - then
> they can't read DLT tapes, and I will have to keep the STK 9710 library
> for those. If we go to another STK library with DLT8000 or SDLT - I will
> be able to use the current tapes I have.
>
> The question is how well we can predict the future trend. My feeling is
> that the LTO has a good chance to dominate the market, and it might be
> worth it to make this change, although it means complexity (2 types of
> media) and a bigger investment. But, "Predicting is hard, especially of
> the future"...
>
> >The next question would be, "Are you running out of available tapes for
> >backups?" or Do you need additional drives for speed of backup and restore?
>
> I am out of available slots. I have enough drives, and my backup windows
> are big enough. My goal is to have in the robot all the tapes that are
> in the database, so that we do not need to manually load them for
> restores. I need at least 200 more slots as of now, and it is growing
> fast.
>
> >You may want to also re-evaluate your retention periods if that is possible.
> >Possible meaning that the business requirments may not allow you to change
> >retention periods.
>
> I cannot change that.
>
> Thanks for the answers,
>
>
> Miriam
>
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Miriam Ben-Haim E-mail: miriam AT technion.ac DOT il
> Unix Systems Phone : +972-4-8292177
> Taub Computer Center Fax : +972-4-8236212
> Technion - Israel Institute of Technology, Haifa 32000, ISRAEL
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
>
>
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----
Andrew Shinkarev
Network Systems Specialist
Abbott Laboratories
(847) 9387559
shinkara AT pprd.abbott DOT com
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