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Re: 1 Volume of Software RAID 1+0 versus Multiple Volumes of Software Raid

From: Tom Pall <tpall_at_realtime.net>
Date: Tue, 29 Oct 2002 17:18:31 -0800
Message-ID: <F001.004F6EBC.20021029171831@fatcity.com>


Ah yes. The eternal argument between the DBA, who likes things separate, and the SA, who likes big smears (But it's mirrored!). ----- Original Message -----
To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com> Sent: Tuesday, October 29, 2002 3:43 PM
Software Raid

> I would go with 3 RAID 1's given the choice.
>
> Not necessarily for performance though.
>
> This would allow you to have 3 control files on separate drives.
>
> It would also allow soft mirroring of the redo logs.
>
> And before someone jumps in with "But you don't need
> to mirror them on RAID 1", I *like* having them in 2 locations. :)
>
> As for performance, it is nice to separate the redo as much as possible.
>
>
> Jared
>
>
>
>
>
>
> "VIVEK_SHARMA" <VIVEK_SHARMA_at_infosys.com>
> Sent by: root_at_fatcity.com
> 07/11/2002 06:43 AM
> Please respond to ORACLE-L
>
>
> To: Multiple recipients of list ORACLE-L
<ORACLE-L_at_fatcity.com>
> cc:
> Subject: 1 Volume of Software RAID 1+0 versus Multiple
Volumes of Software Raid 1
> ?
>
>
>
> For performance , Which Option is better :-
>
> Given 6 Internal FCAL Hard Disks ?
> 1) Creating 1 Volume with Software RAID 1+0 OR
> 2) Creating 3 Volumes of Software RAID 1 , Each Volume Containing 2 Disks
> & Manually Spreading the Database
> across the 3 Volumes ?
>
> Solaris 8
> Machine V880 model
>
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: VIVEK_SHARMA
> INET: VIVEK_SHARMA_at_infosys.com
>
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> Author:
> INET: Jared.Still_at_radisys.com
>
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-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Tom Pall
  INET: tpall_at_realtime.net

Fat City Network Services    -- 858-538-5051 http://www.fatcity.com
San Diego, California        -- Mailing list and web hosting services
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Received on Tue Oct 29 2002 - 19:18:31 CST

Original text of this message

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