April 1, 201115 yr normally things finish for me in about 23-25 hours, but my latest run is taking forever. I recently upgraded to 4.7 and set things to 4k-aligned. I started to preclear a drive with -A and it is running at 35MB/sec and has been reading for over 10 hours [step 1].
April 1, 201115 yr normally things finish for me in about 23-25 hours, but my latest run is taking forever. I recently upgraded to 4.7 and set things to 4k-aligned. I started to preclear a drive with -A and it is running at 35MB/sec and has been reading for over 10 hours [step 1]. Either your server is very busy doing something else, (first of month parity check perhaps) or there is something interesting about the disk, or disk controller port you have it connected to. Perhaps it is in an IDE mode and emulating PIO mode to the disk. I suggest you look in your system log for clues. Joe L.
April 1, 201115 yr Author Joe, that is why you get the big bucks, parity was running. Didn't think it had any affect since the drive was not in the array, but I guess I was wrong. Cancelled parity check and will run it after pre-clear is finished. As soon as I cancelled it the speed imediately jumped to 70MB/s double what it was running. Good thing it got to 80% of step 1 in 11 hours 40 minutes...
April 1, 201115 yr Joe, that is why you get the big bucks, parity was running. Didn't think it had any affect since the drive was not in the array, but I guess I was wrong. Cancelled parity check and will run it after pre-clear is finished. As soon as I cancelled it the speed imediately jumped to 70MB/s double what it was running. Good thing it got to 80% of step 1 in 11 hours 40 minutes... You still have to share the bandwidth on the bus with all the other disks. It has nothing to do with if the disk is assigned in the array or not. Big bucks... right...
April 1, 201115 yr Author Big bucks... right... Of course, let me know where to send the monopoly money. They need to add a thanks button, I swear they eventually add up to some green...
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