On Thu, Mar 25, 2010 at 2:29 PM, Pierre C <lists@xxxxxxxxxx> wrote: >> Hannu Krosing wrote: >>> >>> Pulling the plug should not corrupt a postgreSQL database, unless it was >>> using disks which lie about write caching. >>> >> Didn't we recently put the old wife's 'the disks lied' tale to bed in >> favour of actually admiting that some well known filesystems and saftware >> raid systems have had trouble with their write barriers? > > I put a cheap UPS on the home server (which uses Software RAID) precisely > because I don't really trust that stuff, and there is also the RAID5 write > hole... and maybe the RAID1 write hole too... and installing a UPS takes > less time that actually figuring out if the system is power-loss-safe. Very true, a UPS might not cover every possible failure mode, but it sure takes care of an aweful lot of the common ones. -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
