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 ?
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 ?
Can someone please share some insight ?
thanks
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