Re: RAID1 under 2.0.32

[Bill Hawes]

David Mansfield wrote:
> Hello, I've been trying to decide whether to set up a production web
> server/dial-in server using the RAID 1 mirroring.  I've set it up and it
> seems to work OK but I've gotten a couple of oopses and a lot of
> interesting syslog kernel messages.  I am close to suspecting bad memory,
> although the memtest (run about 10 times) doesn't show anything.  The
> system looks like this:

> kernel: Internal error: bad swap device
> kernel: rw_swap_page: weirdness
> kernel: swap_free: weirdness
> kernel: Trying to free non-existant swap page
> kernel: Trying to swap to non swap device

These are potentially serious errors, as it looks like the page tables
had some bogus entries. Does this happen only when you try to use the
RAID? If so, perhaps a bad pointer is trashing memory.

If it were due to bad memory, I would expect your system to crash almost
immediately.

Regards.
Bill