On Sat, Oct 27, 2012 at 05:41:02PM +1100, Chris Angelico wrote:
On Sat, Oct 27, 2012 at 4:26 PM, Greg Smith g...@2ndquadrant.com wrote:
In general, through, diskchecker.pl is the more sensitive test. If it
fails, storage is unreliable for PostgreSQL, period. It's good that you've
On Wed, Nov 7, 2012 at 11:59 AM, Bruce Momjian br...@momjian.us wrote:
On Sat, Oct 27, 2012 at 05:41:02PM +1100, Chris Angelico wrote:
On Sat, Oct 27, 2012 at 4:26 PM, Greg Smith g...@2ndquadrant.com wrote:
In general, through, diskchecker.pl is the more sensitive test. If it
fails, storage
On Wed, Nov 7, 2012 at 01:53:47PM -0700, Scott Marlowe wrote:
On Wed, Nov 7, 2012 at 11:59 AM, Bruce Momjian br...@momjian.us wrote:
On Sat, Oct 27, 2012 at 05:41:02PM +1100, Chris Angelico wrote:
On Sat, Oct 27, 2012 at 4:26 PM, Greg Smith g...@2ndquadrant.com wrote:
In general, through,
On Wed, Nov 7, 2012 at 2:01 PM, Bruce Momjian br...@momjian.us wrote:
On Wed, Nov 7, 2012 at 01:53:47PM -0700, Scott Marlowe wrote:
On Wed, Nov 7, 2012 at 11:59 AM, Bruce Momjian br...@momjian.us wrote:
On Sat, Oct 27, 2012 at 05:41:02PM +1100, Chris Angelico wrote:
On Sat, Oct 27, 2012 at
On Wed, Nov 7, 2012 at 02:12:39PM -0700, Scott Marlowe wrote:
I don't have the specs to hand, but one of them is a Kingston drive.
Our local supplier is out of 320 series drives, so we were looking for
others; will check out the 710s. It's crazy that so few drives can
actually be
On Wed, Nov 7, 2012 at 3:53 PM, Scott Marlowe scott.marl...@gmail.comwrote:
Is there a comprehensive list of drives that have been tested on the
wiki somewhere? Our current choices seem to be the Intel 3xx series
which STILL suffer from the whoops I'm now an 8MB drive bug and the
very
On 11/7/2012 3:17 PM, Vick Khera wrote:
My most recent big box(es) are built using all Intel 3xx series
drives. Like you said, the 7xx series was way too expensive.
I have to raise my hand to say that for us 710 series drives are an
unbelievable bargain and we buy nothing else now for
On Sat, Oct 27, 2012 at 4:26 PM, Greg Smith g...@2ndquadrant.com wrote:
In general, through, diskchecker.pl is the more sensitive test. If it
fails, storage is unreliable for PostgreSQL, period. It's good that you've
followed up by confirming the real database corruption implied by that is
On 10/24/12 4:04 PM, Chris Angelico wrote:
Is this a useful and plausible testing methodology? It's definitely
showed up some failures. On a hard-disk, all is well as long as the
write-back cache is disabled; on the SSDs, I can't make them reliable.
On Linux systems, you can tell when
On Tue, Oct 23, 2012 at 9:51 AM, Scott Marlowe scott.marl...@gmail.com wrote:
On Mon, Oct 22, 2012 at 7:17 AM, Chris Angelico ros...@gmail.com wrote:
After reading the comments last week about SSDs, I did some testing of
the ones we have at work - each of my test-boxes (three with SSDs, one
On Wed, Oct 24, 2012 at 8:04 AM, Chris Angelico ros...@gmail.com wrote:
On Tue, Oct 23, 2012 at 9:51 AM, Scott Marlowe scott.marl...@gmail.com
wrote:
On Mon, Oct 22, 2012 at 7:17 AM, Chris Angelico ros...@gmail.com wrote:
After reading the comments last week about SSDs, I did some testing of
After reading the comments last week about SSDs, I did some testing of
the ones we have at work - each of my test-boxes (three with SSDs, one
with HDD) subjected to multiple stand-alone plug-pull tests, using
pgbench to provide load. So far, there've been no instances of
PostgreSQL data
On Mon, Oct 22, 2012 at 6:17 AM, Chris Angelico ros...@gmail.com wrote:
After reading the comments last week about SSDs, I did some testing of
the ones we have at work - each of my test-boxes (three with SSDs, one
with HDD) subjected to multiple stand-alone plug-pull tests, using
pgbench to
On Tue, Oct 23, 2012 at 6:26 AM, Jeff Janes jeff.ja...@gmail.com wrote:
What did you do to look for corruption? That PosgreSQL succeeds at
going through crash-recovery and then starting up is not a good
indicator that there is no corruption.
I fired up Postgres and looked at the logs for any
On Mon, Oct 22, 2012 at 12:31 PM, Chris Angelico ros...@gmail.com wrote:
On Tue, Oct 23, 2012 at 6:26 AM, Jeff Janes jeff.ja...@gmail.com wrote:
What did you do to look for corruption? That PosgreSQL succeeds at
going through crash-recovery and then starting up is not a good
indicator that
On Mon, Oct 22, 2012 at 7:17 AM, Chris Angelico ros...@gmail.com wrote:
After reading the comments last week about SSDs, I did some testing of
the ones we have at work - each of my test-boxes (three with SSDs, one
with HDD) subjected to multiple stand-alone plug-pull tests, using
pgbench to
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