Re: kern/48849: root mirror raid fails on shutdown

[christos%zoulas.com@localhost (Christos Zoulas)]

On May 29,  7:18pm, prlw1%cam.ac.uk@localhost (Patrick Welche) wrote:
-- Subject: Re: kern/48849: root mirror raid fails on shutdown

| Root is on raid7a, made from /dev/dk0 and /dev/dk7
| ...
| unmounting 0xfffffe811e883008 / (/dev/raid7a)...

These:

unmounting 0xfffffe811b89b008 /home (/dev/cgd0a)...
unmounting 0xfffffe811e883008 / (/dev/raid7a)...
forcefully unmounting /home (/dev/cgd0a)...
unmounting 0xfffffe811e883008 / (/dev/raid7a)...
cgd0: detached
raid4: detached
raid4: detached
dk11 at wd1 (df25cd88-6326-11e3-8f70-10bf48bd3389) deleted
dk11: detached
dk4 at wd0 (80706d97-e1f8-11e3-9080-10bf48bd3389) deleted
dk4: detached
unmounting 0xfffffe811e883008 / (/dev/raid7a)...
forcefully unmounting / (/dev/raid7a)...
raid7: IO Error.  Marking /dev/dk0 as failed.

I don't like these forcefully unmounting. We should figure out why they happen.

christos