Hi Phil, Thank you for all the great help so far! > Yes, that dmesg did the trick. The drive that failed first was #3, and > the drive the failed second was #4. You should create a list of which > drive serial number corresponds to which raid device role, with a third > column showing the current device name. Serial no: old name ID current name WD-WCC1T1255024 /dev/sdc1 new drive W1F09XLV /dev/sdb1 [3] /dev/sdd1 failed drive 1 W1F0AXTQ /dev/sdc1 [4] /dev/sde1 failed drive 2 W1F0B6X6 /dev/sdd1 [0] /dev/sdf1 S1F04BZT /dev/sde1 [5] /dev/sdg1 W1F0B9ER /dev/sdf1 [2] /dev/sdh1 WD-WMC1T2341606 /dev/sdg1 [1] /dev/sdi1 S1F04CWH /dev/sdh1 [6] /dev/sdj1 (partially rebuild spare) > Then, to deal with the large number of pending events, you'll need to do > a "check" scrub with a very low speed limit. To keep you from exceeding > the 10/hour read error limit in the MD kernel driver. echo 1000 > /proc/sys/dev/raid/speed_limit_min echo 10000 > /proc/sys/dev/raid/speed_limit_max echo check > /sys/block/md0/md/sync_action Would this be ok in such a case? Karel -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html