Re: Slow write on raid0/mdadm with ext4

[Stan Hoeppner <stan@hardwarefreak.com>]

Jason Myers put forth on 10/29/2010 1:31 AM:
> Hi, whenever I start writing more than 100MB to the raid, it starts going
> 200KB/s and the iowait shown on "top" goes to 99%.. The disks lock up
> completely, shown on iostat. What would cause something like this?

More details would probably be helpful, particularly what hardware we're
talking about and what kernel version you're running.

1.  Mobo
2.  Disk controller/driver
3.  Make/model/size and number of disks in the md stripe set
4.  SMART data for each drive

etc.

-- 
Stan