Re: OT: Damaged harddisk and/or disk controller - ps

From: Alvin Oga (aoga_at_mail.Linux-Consulting.com)
Date: 10/20/05

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    Date: Wed, 19 Oct 2005 15:34:32 -0700 (PDT)
To: Kjetil Kjernsmo <kjetil@kjernsmo.net>

    hi ya kjetil

    On Wed, 19 Oct 2005, Kjetil Kjernsmo wrote:

    > Hehe, no, it was the latter, a it was a well-recognized store, but they
    > were caught shipping disks that had been returned as new.

    sounds like dell .. they paid millions for that boo-boo

    they've since changed to bringing used parts as warranty replacments
    which is sorta bogus too, as one expect warranty replacements to be
    new vs inheriting ( a presumably bad ) returned item from someone else

    > People got
    > disks with data on. Whooops... So, well, I can't be really sure, but at
    > the time I bought this, 40 GB disks were the latest and greatest, so it
    > isn't very likely they could have had time to ship it too many times...

    other possibilities

    you cannot ( should not, as in expect systema and corrupt data problems if
    you do )
            - do not mix ata-33 ( cdrom ) with hard disks
            - do not mix ata-66 with ata-100
            - do not mix ata-100 with ata-133

            - and with some disks .. do not mix 2MB buffer with 8MB buffer

    > Well, I have excluded cables and jumpers as the cause, so then, it is
    > the controllers... But if it was the controller, why would it detect
    > the slave when the master was dead...?

    i'd try a different ( new ) power supply

    ----------

    as henrique(?) said ... make backups ..

    but i would counter that as, it's too late, to backup AFTER you detect
    whacky disks problems ...
            the backup process will aggrevate the flaky disks that is
            misbehaving,

            the backed up data could be corrupt and/or wipe out what was
            your previously good backup data, until the oops i've got a
            problem emergency backup

            - have more than 1 backup ... do it automatically and daily
            on a rotating schedule and different media and never
            backup on the same disk and never backup on the same PC
            (or at least physically pull the backup disk out after the backup)

    c ya
    alvin 

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