Current-Users archive

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]

Re: raidframe performance question (Paul Goyette) writes:

>Conclusion:  these disk drives suck!  It's not a raidframe problem....


>I gave up on the first attempt to initialize the parity after it had 
>been running for > 30 hours.  I tried to reboot, but unfortunately the 
>system paniced (something about a flush-cache not finishing).

>After rebooting, I started a

>       dd if=/dev/zero bs=32k of=/dev/wd4d

>and I had a 'systat vmstat' running in another window.  At first, systat 
>reported transfer rate at about 10MByte/sec, but after a minute or so it 
>started dropping, more or less linearly.

Try /dev/rwd4d instead.

                                Michael van Elst
                                "A potential Snark may lurk in every tree."

Home | Main Index | Thread Index | Old Index