From: | Alex Turner <armtuk(at)gmail(dot)com> |
---|---|
To: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
Cc: | Andrus <eetasoft(at)online(dot)ee>, pgsql-general(at)postgresql(dot)org |
Subject: | Re: Why database is corrupted after re-booting |
Date: | 2005-10-28 13:59:32 |
Message-ID: | 33c6269f0510280659v3b8de99awdf589144dfaf8a64@mail.gmail.com |
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Thread: | |
Lists: | pgsql-general |
Of course not counting the Western Digital Raptor SATA drive, which
are priced more like SCSI drives also, and have many of the features
of a SCSI drive including NCQ
Alex
On 10/28/05, Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> wrote:
> Andrus wrote:
> > >> QUANTUM FIREPALLP LM20.5 is a widely used ATA IDE drive.
> > >>
> > >> Where do find information does it implement write caching properly or not
> > >> ?
> > >
> > > I don't think the manufacturers bother to make this sort of information
> > > available.
> > >
> > >> Is there IDE drive compatibility list for Postgres ?
> > >
> > > No - for the reason above (amongst oghers).
> >
> > Richard, thank you.
> > Classification of IDE drives into good and bad ones requires knowing *at
> > least one* good and bad model.
> >
> > Can you write one good and bad IDE drive models, please?
> >
> > Knowing those models before buying is huge step forward for perventing
> > database corruption in desktop computers.
>
> The bottom line is that IDE are desktop drives, not designed for high
> concurrency. Read this for details:
>
> http://www.seagate.com/content/docs/pdf/whitepaper/D2c_More_than_Interface_ATA_vs_SCSI_042003.pdf
>
> --
> Bruce Momjian | http://candle.pha.pa.us
> pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
> + If your life is a hard drive, | 13 Roberts Road
> + Christ can be your backup. | Newtown Square, Pennsylvania 19073
>
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>
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