DragonFly kernel List (threaded) for 2008-07
DragonFly BSD
DragonFly kernel List (threaded) for 2008-07
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Re: HAMMER Update - 16-July-2008


From: Matthew Dillon <dillon@xxxxxxxxxxxxxxxxxxxx>
Date: Thu, 17 Jul 2008 17:24:09 -0700 (PDT)

:Now that you brought it up -- what would you expect to happen if
:you did pull the power plug?
:

    If you physically power down a hard drive by pulling its power plug,
    and it happens to have been writing at th etime, you have a very good
    chance of destroying the disk.

    This happened to me a year or two ago... remember when I posted about
    having to restore crater from backups?  A power failure and no UPS
    software caused my systems to do an uncontrolled power down and I wound
    up with multiple disk errors and lost several disks.

					-Matt
					Matthew Dillon 
					<dillon@backplane.com>



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