RAID1 resync very VERY slow using mdadm
I am running Kernel 2.6.18-128.el5 on a 64bit quad core machine with 8GB RAM. Using "mdadm" I setup a RAID1 array between two Western Digital 1.5TB drives. The problem is that the resync is running VERY slow. Here is a current status.
[root@royalflush shared]# cat /proc/mdstat Personalities : [raid1]
md1 : active raid1 hdc5 hda5
1304493952 blocks [2/2] [UU]
[=>...................] resync = 6.2% (81592192/1304493952) finish=4280156.0min speed=4K/sec
unused devices: <none>
To get help we are going to need a lot more information
How did you start the rebuild?
Anything writing to the disks? (Log Files perhaps)
Is SWAP on the partition?
CPU topped out?
Are you sure both drives are good (as in not failing)?
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