[sf-lug] How not to do main storage (waas: Belated writeup of last SF-LUG meeting)

[Ken Shaffer]

~20 years ago, I had a Western Digital disk in a desktop which would
"freeze up" if not used daily.  Over a weekend of no use, the excessive
oxide on the platters would stick to the heads, and prevent the disk from
spinning.  That error even preceded the POST info, so it was the beep count
that gave the error.  A sharp rap with a pencil eraser was enough to free
up the heads, but WD did honor their warranty and replaced the disk for me.
So Akkana, the problem with WD was older than your 10 year old disks.
Ken

On Fri, Sep 8, 2023 at 7:21 PM Rick Moen <rick at linuxmafia.com> wrote:

> Quoting Akkana Peck (akkana at shallowsky.com):
>
> HD head stiction:
>
> > Is that oldness measured in years, in power cycles, or in total spinning
> time? How old is old?
>
> I don't think power cycles make that much difference, for this purpose.
> Call me superstitious, but I just worry about any server SCSI drive
> that's spent time powered down and not moving, that the heads many not
> unlatch the next time it powers up again.
>
> I don't know which variety of oldness makes the difference, sorry.
>
>
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