From: Carlos Benkendorf <carlosbenkendorf@yahoo.com.br>
To: pgsql-performance@postgresql.org
Subject: Is RAID10 the best choice?
Date: Sat, 10 Dec 2005 11:34:23 +0000 (GMT)
Message-ID: <20051210113423.85996.qmail@web35514.mail.mud.yahoo.com> (raw)
Hello,
I would like to know which is the best configuration to use 4 scsi drives with a pg 8.1 server.
Configuring them as a RAID10 set seems a good choice but now I´m figuring another configuration:
SCSI drive 1: operational system
SCSI drive 2: pg_xlog
SCSI drive 3: data
SCSI drive 4: index
I know the difference between them when you analyze risks of loosing data but how about performance?
What should be better?
Obs.: Our system uses always an index for every access.. (enable_seqscan(false))
Thanks in advance!
Benkendorf
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To: pgsql-performance@postgresql.org
Cc: carlosbenkendorf@yahoo.com.br
Subject: Re: Is RAID10 the best choice?
In-Reply-To: <20051210113423.85996.qmail@web35514.mail.mud.yahoo.com>
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