On Wed, 13 Apr 2011 14:10:46 -0700 Rory Jaffe <rsjaffe@xxxxxxxxx> wrote: > I have a RAID5 array with 4 active devices and two spares. The spares > are normally in sleep mode. I ran a resync with: > > echo repair > /sys/devices/virtual/block/md0/md/sync_action > > About 20 times (evenly spaced apart) during the resync, the spares > were written to, waking them up. Is that behavior desired? It seems to > me that it's a waste--I don't know why the resync would bother with > the spares. Yes, there is room for optimisation there. It really shouldn't write to those devices. I guess I should try (again) to fix that. Thanks for the report. NeilBrown -- 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
