Re: ZFS & disk cache - Mailing list pgsql-general

From Jasen Betts
Subject Re: ZFS & disk cache
Date
Msg-id h00cng$pao$1@reversiblemaps.ath.cx
Whole thread Raw
In response to ZFS & disk cache  (Scara Maccai <m_lists@yahoo.it>)
List pgsql-general
On 2009-06-01, Scara Maccai <m_lists@yahoo.it> wrote:
>
> "The Solaris ZFS file system is safe with disk write-cache enabled because it issues its own disk cache flush
commands"

> Could someone explain?

this means ZFS cofigured as described is suitable for the postgres
data (and *log) directories

> would that mean that I checking the disk cache with "format -e" on Solaris is not needed if I use ZFS????

you'd have to ask SUN about how well ZFS wouls handle that.


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