On Mon, Mar 08, 2010 at 12:52:43PM +0200, Eugene Dzhurinsky wrote: > dd if=/dev/ad4 of=/dev/null skip=222342559 bs=512 count=1 > dd: /dev/ad4: Input/output error > 0+0 records in > 0+0 records out > 0 bytes transferred in 2.351940 secs (0 bytes/sec) > > dd if=/dev/zero of=/dev/ad4 seek=222342559 bs=512 count=1 > dd: /dev/ad4: Operation not permitted > > Should I do it in single mode?
sysctl kern.geom.debugflags=0x10 Did the trick, I was able to write directly to the sector, and now it seems to work well. No remaps recorded thus, but no errors so far. Thanks a lot! -- Eugene N Dzhurinsky
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