On Fri, Mar 30, 2012 at 20:45, Siju George <sgeorge....@gmail.com> wrote: >> you better look in smart table (-a -i, look for remap events in 1st place), > Could you please tell me how to do this? smartctl -s on <dev> && smartctl -a -i <dev> i guess... first command is unnecessary now-a-days, was mandatory with old disks/BIOSes that didn't enable SMART on boot. >> Was it overheated? > The server is in A/C room is there any way to find this ? it really depends on disk, some disks have thermo sensors, so you can even get ASCII graphs from latest smartctl. >> How many time is on spindle? >> How many parks-unparks? > I will need help here to find this :) smartctl -a -i will show that too, i guess
see also here: http://lists.freebsd.org/pipermail/freebsd-questions/2011-July/232257.html and here (scroll down to 3rt occurrance of NID): http://wiki.freebsd.org/JeremyChadwick/ATA_issues_and_troubleshooting I'd also test it with some other kernel, and with sequential then random {reads, then writes}... What is it, btw? (the drive) Which model? Does it need FW upgrade? -- wbr, |\ _,,,---,,_ dog bless ya! ` Zzz /,`.-'`' -. ;-;;,_ McLone at GMail dot com |,4- ) )-,_. ,\ ( `'-' net- and *BSD admin '---''(_/--' `-'\_) ...translit rawx!