Re: File Systems Compared
Florian Weimer <fweimer@bfk.de>
From: Florian Weimer <fweimer@bfk.de>
To: Brian Wipf <brian@clickspace.com>
Cc: pgsql-performance@postgresql.org
Date: 2006-12-06T16:44:23Z
Lists: pgsql-performance
* Brian Wipf: > Anyone run their RAIDs with disk caches enabled, or is this akin to > having fsync off? If your cache is backed by a battery, enabling write cache shouldn't be a problem. You can check if the whole thing is working well by running this test script: <http://brad.livejournal.com/2116715.html> Enabling write cache leads to various degrees of data corruption in case of a power outage (possibly including file system corruption requiring manual recover). -- Florian Weimer <fweimer@bfk.de> BFK edv-consulting GmbH http://www.bfk.de/ Kriegsstraße 100 tel: +49-721-96201-1 D-76133 Karlsruhe fax: +49-721-96201-99