Hi, On 2012.11.09 12:18, H. Ingow wrote: > > Hi all, > > one single disk in a zfs mirror failed permanently throwing errors like > kernel: (ada5:ata10:0:0:0): ATA status: 51 (DRDY SERV ERR), error: 84 > (ICRC ABRT ) and alike. > > The pool itself continued working degraded, smartctl showed a very high > 199 UDMA_CRC_Error_Count value, which to my knowledge may indicate a > broken cable, in this case indeed a cable replacement solved the > problem, the pool resilvered and all is fine. > > Still smartctl -a displays a value of 199 UDMA_CRC_Error_Count I reckon > to be way too high, though ( > 3900 ) . > So is this value now including errors from previous broken cable ?
I'm pretty sure it is. I don't think SMART attributes can vary in value both up and down ; they seem to me like they're counters that can only get incremented. > In other words, when, if at all, is the cache smartmontools read from > flushed and values are to be taken as of the status after fixing a > hardware problem but not swapping the disk ? So, in my opinion no. _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[email protected]"
