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RE: RAID 5/Oracle

From: Christopher Spence <cspence_at_FuelSpot.com>
Date: Wed, 01 Aug 2001 05:42:23 -0700
Message-ID: <F001.0035B9F9.20010801051649@fatcity.com>

The A1000 has a max of 12 disks.
I would recommend against Raid 5 for performance reasons, although the write-back cache covers some of the drawbacks.

A1000 is knowned to have slow cache, and consistency errors when they are pushed to the brink of saturation.

But yes, Raid 5 with 4 disks will come up as a single volume (device), which you can make into as many mount points as you like.

"Walking on water and developing software from a specification are easy if both are frozen."

Christopher R. Spence
Oracle DBA
Fuelspot

-----Original Message-----
Sent: Tuesday, July 31, 2001 11:45 PM
To: Multiple recipients of list ORACLE-L

We are planning to move our database to Sun 4500 with A1000(RAID 5).Our system admin group has been working on this setup and I was told that the A1000 which is having 4 disks will be seen as just as one mount point after configuration.Is this the correct way of confuguration.Don't we see each disk of A1000 as different mount point.

Thanks
Ravindra

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Author: Ravindra Basavaraja
  INET: ravindra_at_sentica.com

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Author: Christopher Spence
  INET: cspence_at_FuelSpot.com
Fat City Network Services    -- (858) 538-5051  FAX: (858) 538-5051
San Diego, California        -- Public Internet access / Mailing Lists
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