Re: System exposure to disk outages w/9337 in separate ASP

At 02:43 PM 01/10/2000 -0600, you wrote:

Any other failure would cause a system failure.  No you can not expect that 
older DASD parts will be as available.

You would not want to try to reconfigure in the event of a failure.  You 
would be breaking more stuff than you would be fixing.  Among other things, 
you would have to do a RCLSTG, because the system directory is kept in the 
system ASP.

Al




>We currently run all internal 660* DASD with the exception of a single 
>9337-580
>in which all it's disk units are in a separate ASP.  The ASP contains only 
>test
>libraries that are not critical to the operation of the business. All disk on
>the system is RAID-5 protected.
>
>Should we have any failure beyond a single disk on the internal DASD (ie, an
>IOP), I'm reasonably confident IBM would have it fixed rather quickly and our
>system would be back up and running (with no data loss I believe).  (Any
>comments on this, pro or con, are welcome).
>
>However, if we had a failure on the 9337 (beyond a single disk unit), could we
>expect the same quick replacement time?
>
>Also, I assume a complete failure of the 9337 would bring the system down.  Is
>this correct?  Even though we consider the data in its ASP non-critical, is
>there anyway to have the system continue operation with those libraries simply
>being unavailable?
>
>If not, would we be able to IPL the system in manual mode, remove those units
>from the configuration (and delete the ASP) at the same time, and get the 
>system
>back up and running for production work?
>
>Any comments would be greatly appreciated.
>
>Scott Lindstrom
>Zenith Electronics
>
>
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