Re: How to allocate 8 disks - Mailing list pgsql-performance

From Ivan Voras
Subject Re: How to allocate 8 disks
Date
Msg-id fqj920$f03$1@ger.gmane.org
Whole thread Raw
In response to Re: How to allocate 8 disks  ("Joshua D. Drake" <jd@commandprompt.com>)
Responses Re: How to allocate 8 disks  (Shane Ambler <pgsql@Sheeky.Biz>)
List pgsql-performance
Joshua D. Drake wrote:

> This scares me... You lose WAL you are a goner. Combine your OS and
> WAL into a RAID 1.

Can someone elaborate on this? From the WAL concept and documentation at
http://www.postgresql.org/docs/8.3/interactive/wal-intro.html I'd say
the only data that should be lost are the transactions currently in the
log but not yet transferred to permanent storage (database files proper).



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