Re: Enabling Checksums

Josh Berkus <josh@agliodbs.com>

From: Josh Berkus <josh@agliodbs.com>
To: pgsql-hackers@postgresql.org
Date: 2013-03-06T23:00:32Z
Lists: pgsql-hackers
Robert,

> We've had a few EnterpriseDB customers who have had fantastically
> painful experiences with PostgreSQL + ZFS.  Supposedly, aligning the
> ZFS block size to the PostgreSQL block size is supposed to make these
> problems go away, but in my experience it does not have that effect.
> So I think telling people who want checksums "go use ZFS" is a lot
> like telling them "oh, I see you have a hangnail, we recommend that
> you solve that by cutting your arm off with a rusty saw".

Wow, what platform are you using ZFS on?

(we have a half-dozen clients on ZFS ...)

-- 
Josh Berkus
PostgreSQL Experts Inc.
http://pgexperts.com