Posted Jun 20, 2009 21:29 UTC (Sat) by anton
In reply to: RAID rebuild
Parent article: What ever happened to chunkfs?
With magnetic disk drives it's not uncommon that a read
error (marking a disk as faulty) will go away after a write (due to
That's the theory, and it's quite plausible, if there are spare blocks
on the disk, but I have seen several drives (from different
manufacturers) with read errors that were also write errors, and none
where the error went away by writing. And it's not that these drives
had run out of spare blocks or something; the errors apparently were
caused by the head running amok in unusual power supply conditions.
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