Andrew Dunstan wrote:
>
>
> Tom Lane wrote:
>
> >Andreas Pflug <[EMAIL PROTECTED]> writes:
> >
> >
> >>This would be the first time a SCSI disk lies about its write caching.
> >>There are plenty of low-cost (i.e. IDE) disks out there having a hidden
> >>write cache, but AFAIK a generic SCSI
Tom Lane wrote:
Andreas Pflug <[EMAIL PROTECTED]> writes:
This would be the first time a SCSI disk lies about its write caching.
There are plenty of low-cost (i.e. IDE) disks out there having a hidden
write cache, but AFAIK a generic SCSI tool is usable to enable/disable
the write cache.
On Tue, 27 Jan 2004, Larry Rosenman wrote:
> >> >>
> >> >> ISTM that the driver should force it out to the disk, unless the disk
> >> >> is lying to the driver, or the driver is buggy.
> >> > That's exactly what I think: the DISK has a write cache so it's lying
> >> > to the controler saying data i
--On Tuesday, January 27, 2004 23:15:09 +0100 [EMAIL PROTECTED] wrote:
On Tue, 27 Jan 2004, Larry Rosenman wrote:
>> >>
>> >> ISTM that the driver should force it out to the disk, unless the
>> >> disk is lying to the driver, or the driver is buggy.
>> > That's exactly what I think: the DISK has
"Simon Riggs" <[EMAIL PROTECTED]> writes:
> In the past, I have used the dd command to squirt data at the disk, then
> read it back again - but there may be reasons I don't know why a success on
> that test might not be conclusive, so I personally would be happy to defer
> to someone that does.
> Olivier PRENANT writes...
>
> Because I've lost a lot of data using postgresql (and I know for sure
this
> should'nt happen) I've gone a bit further reading documentations on my
> disks and...
>
The bottom line here is that Olivier has lost some data and I'm sure we
all want to know if there i
On Wed, 28 Jan 2004 [EMAIL PROTECTED] wrote:
> I agree I MAY have an hardware problem. What happens is more a system
> freeze than a system crash (there's no panic, no nothing, just freezes, no
> disk activity, not network)
I would suspect either bad hardware,a flakey SCSI driver, or a possible
Hi Simon,
Sorry I couldn't answer sooner.
Hope your daughter is OK by now.
On Wed, 28 Jan 2004, Simon Riggs wrote:
> Date: Wed, 28 Jan 2004 14:56:40 -
> From: Simon Riggs <[EMAIL PROTECTED]>
> To: [EMAIL PROTECTED], 'pgsql-hackers list' <[EMAIL PROTECTED
Andreas Pflug <[EMAIL PROTECTED]> writes:
> This would be the first time a SCSI disk lies about its write caching.
> There are plenty of low-cost (i.e. IDE) disks out there having a hidden
> write cache, but AFAIK a generic SCSI tool is usable to enable/disable
> the write cache.
A SCSI disk sh
[EMAIL PROTECTED] wrote:
Nothing special... And any option I could use would'nt change a thing:
the cache is on the disk itself... I did'nt look physicaly yet but
according to the docs there's no way to disable it lik I always did on
IBM...
I was forced to buy those disk (more expensive, not bett
--On Tuesday, January 27, 2004 23:03:56 +0100 [EMAIL PROTECTED] wrote:
On Tue, 27 Jan 2004, Larry Rosenman wrote:
Date: Tue, 27 Jan 2004 16:02:40 -0600
From: Larry Rosenman <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
Cc: pgsql-hackers list <[EMAIL PROTECTED]>
Subject: Re: Write cache
--On Tuesd
On Tue, 27 Jan 2004, Larry Rosenman wrote:
> Date: Tue, 27 Jan 2004 16:02:40 -0600
> From: Larry Rosenman <[EMAIL PROTECTED]>
> To: [EMAIL PROTECTED]
> Cc: pgsql-hackers list <[EMAIL PROTECTED]>
> Subject: Re: Write cache
>
>
>
> --On Tuesday, January 27, 2004 23:01:45 +0100 [EMAIL PROTECTED] wrot
--On Tuesday, January 27, 2004 23:01:45 +0100 [EMAIL PROTECTED] wrote:
On Tue, 27 Jan 2004, Larry Rosenman wrote:
Date: Tue, 27 Jan 2004 15:55:49 -0600
From: Larry Rosenman <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
Cc: pgsql-hackers list <[EMAIL PROTECTED]>
Subject: Re: Write cache
--On Tuesd
On Tue, 27 Jan 2004, Larry Rosenman wrote:
> Date: Tue, 27 Jan 2004 15:55:49 -0600
> From: Larry Rosenman <[EMAIL PROTECTED]>
> To: [EMAIL PROTECTED]
> Cc: pgsql-hackers list <[EMAIL PROTECTED]>
> Subject: Re: Write cache
>
>
>
> --On Tuesday, January 27, 2004 22:48:42 +0100 [EMAIL PROTECTED] wrot
--On Tuesday, January 27, 2004 22:48:42 +0100 [EMAIL PROTECTED] wrote:
On Tue, 27 Jan 2004, Larry Rosenman wrote:
Date: Tue, 27 Jan 2004 15:45:20 -0600
From: Larry Rosenman <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
Cc: pgsql-hackers list <[EMAIL PROTECTED]>
Subject: Re: Write cache
--On Tuesd
On Tue, 27 Jan 2004, Larry Rosenman wrote:
> Date: Tue, 27 Jan 2004 15:45:20 -0600
> From: Larry Rosenman <[EMAIL PROTECTED]>
> To: [EMAIL PROTECTED]
> Cc: pgsql-hackers list <[EMAIL PROTECTED]>
> Subject: Re: Write cache
>
>
>
> --On Tuesday, January 27, 2004 22:43:34 +0100 [EMAIL PROTECTED] wrot
--On Tuesday, January 27, 2004 22:43:34 +0100 [EMAIL PROTECTED] wrote:
On Tue, 27 Jan 2004, Larry Rosenman wrote:
Date: Tue, 27 Jan 2004 15:38:30 -0600
From: Larry Rosenman <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED], pgsql-hackers list <[EMAIL PROTECTED]>
Subject: Re: Write cache
IDE or SCSI?
SC
On Tue, 27 Jan 2004, Larry Rosenman wrote:
> Date: Tue, 27 Jan 2004 15:38:30 -0600
> From: Larry Rosenman <[EMAIL PROTECTED]>
> To: [EMAIL PROTECTED], pgsql-hackers list <[EMAIL PROTECTED]>
> Subject: Re: Write cache
>
> IDE or SCSI?
SCSI
>
> Why do you think the WC is screwing you?
>
Because afte
IDE or SCSI?
Why do you think the WC is screwing you?
Which driver(s)?
LER
--On Tuesday, January 27, 2004 22:34:46 +0100 [EMAIL PROTECTED] wrote:
Because I've lost a lot of data using postgresql (and I know for sure this
should'nt happen) I've gone a bit further reading documentations on my
di
Because I've lost a lot of data using postgresql (and I know for sure this
should'nt happen) I've gone a bit further reading documentations on my
disks and...
I have FUJITSU MAP3367NC 36G 1 rpm disks, those disk have a write
cache of 8Mb, if someone could tell me hox to turn it off... Could'nt
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