Re: EMC DASD vs. IBM DASD and MIMIX for 24/7 operation

"Second, how do you like it vs IBM's DASD?"

If your looking at EMC then your in the DMX line which is really pricey.
IBMs DS6000 is way more affordable.  I think there were some problems at
the initial release but I think the microcode is running better now.  We
loked at getting a shared solution for Mainframe, iSeries, and Opensystems.
The only reason we didn't go with DS6000 was lack of support for IDE
drives.  They only use 'High End' drives.  Obviously, that's what you want
for Mainframe, iSeries, and some Open Systems but the larger portion of our
storage requirements are on Open Systems that doesn't require that type of
storage.
I thought that EMC had a nice suite of software to monitor and configure
the SAN but you pay a higher premium to have it to be included.  I think
IBM charge additional for it.

"- Faster tape drive, like an IBM 3581 - Might reduce my current window for
backups in half; does nothing for reorg window "
I had a 3570 and upgraded to a 3581 direct attached.  My Full system saves
went from three and a half hours to an hour and twenty minutes.

m.







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