On 04/16/2015 09:07 PM, Gene Heskett wrote:
On Thursday 16 April 2015 16:28:15 Ric Moore wrote:
Gene, regarding harddrive problems, check this out:
http://www.sj-vs.net/forcing-a-hard-disk-to-reallocate-bad-sectors/
I had one bad sector that gave everything else fits. This fixed it!
Scared me to do it, but nothing blew up on reboot. Just a thought. Ric
Today they will do that automatically, from a pool of sectors reserved
for that as they are made. You will not receive a notice that it has
happened until te drive is out of spare sectors.
From what I was reading, that doesn't always happen. I just had one bad
sector, according to dmesg. My drive is no more than a year old. Yet,
every once in awhile I'd hear the drive go Ugh! Ugh! Scared me. I
followed the howto, and it runs nice and quiet. And slightly faster
without the Ugh! Ugh! and notices being written to the logs. Just the
one sector out of 1/2 gig.
"Modern hard disk drives are equipped with a small amount of spare
sectors to reallocate damaged sectors. However, a sector only gets
relocated when a write operation fails. A failing read operation will,
in most cases, only throw an I/O error. In the unlikely event a second
read does succeed, some disks perform a auto-reallocation and data is
preserved. In my case, the second read failed miserably (“Unrecovered
read error – auto reallocate failed“)." There you have it. If you run
into such, this is the cure. Just a FYI. Ric
--
My father, Victor Moore (Vic) used to say:
"There are two Great Sins in the world...
..the Sin of Ignorance, and the Sin of Stupidity.
Only the former may be overcome." R.I.P. Dad.
http://linuxcounter.net/user/44256.html
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