Re:EMC DASD

[David Gibbs <david@xxxxxxxxxxxx>]

Given my druthers... I would never go with anything but MIRRORING... I've
had FAR to many disk units fail simultaneously to trust RAID-5 (note: EMC
disk units, not IBM).

At 07:25 PM 4/8/98 , Al Barsa, Jr. wrote:
>At 11:23 AM 4/8/98 -0600, you wrote:
>>I have to agree with Dave on this one. Mirroring is the best choice to 
>>protect against dasd failures no matter whose made them.
>>
>Most of my customers have RAID-5, no one has ever had a problem!   I don't
>think that mirroring is necessary unless you are 911, or a hospital, etc.
>I do have some mirroring customers still, but most have backed off to RAID-5.
>
>On the other hand, we no longer accept customers with third party DASD.
>It's just too much of a hastle.
>
>They have DASD failures, or service issues, and call us to influence the
>vendor, which we do, sometimes with good results, and sometimes ...   Then
>we send them a bill, and it gets into a customer sat. issue.
>
>Just better not to handle them.
>
>Al
>
>
>
>Al Barsa, Jr. - Account for Midrange-L
>Barsa Consulting, LLC. 
>400 > 390
>
>Phone: 914-251-9400
>Fax:   914-251-9406
>
>
>
>
>
>Private mail should be sent to barsa@ibm.net
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