Good news / bad news - The joys of hardware

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About 2 years ago I had a disk fail, not 100%, but intermittent problems.
So I replaced it.  The replacement started acting up about 6-12 months ago.
Read errors about every 1-2 months, finally it went off-line.  But,
intermittently.  I did think it was odd that the drive in the same position
was failing, and with similar problems, but figured it was just a
quincidence.  Today I replaced it, after replacing it, I had some problems.
It is in a case with 6 other disks, so I could tell by the LEDs that the
replacement drive was acting wrong, intermittently.  I determined that the
Molex power plug going to the drive was causing the problems.  What a pain!
So, the 2 drives that I replaced may have been good.  The first drive I took
apart.  I have the magnets to prove it!  But it may have been a good drive!

To make a long story short, check the cables for failures, including the
power cables.

The drives are Seagate, and I have at least 26 in service, so 2 failures out
of 26 in 3 years is not so bad.  However, if the Molex connector was at
fault, then 0 failures out of 26 in 3 years, is just fine.

The drive is model ST118282LC, MTBF 1,000,000.  I think with 26 drives I
should have 1 failure in about 4.4 years.  The drives have a 5 year
warranty, but they are OEM, so I get nothing.  I am not the first owner, but
they were unused.  And I bet they are about 5 years old now.

Too much info?  Sorry.  Maybe I need a blog?  :)

Can anyone spell "quincidence"?

Guy

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