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Re: Write cache

From: Larry Rosenman <ler(at)lerctr(dot)org>
To: ohp(at)pyrenet(dot)fr
Cc: pgsql-hackers list <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Write cache
Date: 2004-01-27 22:16:08
Message-ID: 407170000.1075241768@lerlaptop-red.iadfw.net (view raw or flat)
Thread:
Lists: pgsql-hackers

--On Tuesday, January 27, 2004 23:15:09 +0100 ohp(at)pyrenet(dot)fr 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 a write cache so it's
>> >> > lying to the controler saying data is written when it's only in the
>> >> > disk cache.
>> >> >
>> >> > That also would explain the fantastic write performance I have
>> >> > compared to read...
>> >> SO, I consider these disks buggy or not acceptable for use.
>> > So do I... I have 6 disks... 250$ each...
>> What kind of warranty?
> 3 years 24 hours on site (the computer altogather)

>>
>> How Old?
>>
> 3 months
>
I'd tell them to get you disks that don't lie.

and be FIRM about it.

LER



-- 
Larry Rosenman                     http://www.lerctr.org/~ler
Phone: +1 972-414-9812                 E-Mail: ler(at)lerctr(dot)org
US Mail: 1905 Steamboat Springs Drive, Garland, TX 75044-6749

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Subject: Re: Another optimizer question
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