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Re: reading older disks



On Tue, Aug 21, 2018 at 9:36 PM Mike Pumford <mpumford%mudcovered.org.uk@localhost> wrote:
> Not really its been a pretty universal experience of very old systems
> for me that they don't like being stressed or powered off. :(

In particular: In hard drives that run continuously for months or
years, the centrifugal forces gradually displace the lubrication of
the spindle outward. When the disk powers down, the axis may get
stuck.

My employer once had a power outage in a datacenter, and about 1/3 of
disks failed to come up when power was restored.

-- 
Benny


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