On Tue, Jan 16, 2007 at 08:00:14AM +0100, Nino Dehne wrote:
> 
> After 50 runs of dd if=/dev/rcgd0d bs=65536 count=4096 | md5 and no error
> I aborted the test. Replacing rcgd0d with cgd0a made no difference.
> While not necessary IMO, I tried the same with rraid1d, no errors either
> after 50 runs. For comparison, a loop on the filesystem on the cgd aborted
> after the 14th run now.
> 
> So the issue doesn't seem to be related to the power supply either and
> frankly, it's starting to freak me out.

The 'dd' will be doing sequential reads, whereas the fs version will be doing
considerable numbers of seeks.  It is the seeks that cause the disks to
draw current bursts from the psu - so don't discount that.

	David

-- 
David Laight: david@l8s.co.uk