CRC FAILED: LAYER2

YONETANI Tomokazu qhwt+dfly at les.ath.cx
Sat Jul 11 18:12:51 PDT 2009


On Thu, Jul 09, 2009 at 06:57:47AM +0900, YONETANI Tomokazu wrote:
> On Tue, Jul 07, 2009 at 05:39:02PM -0700, Matthew Dillon wrote:
> > 	hammer -f <device> show | egrep '^B'
> > 	(that's carrot and B, not control-B)
> > 
> >     If no lines are marked bad in the show output then the filesystem is
> >     clean.  This can take a while to run since it reads every single last
> >     bit of meta-data and data in the filesystem.  If any hammer cleanup
> >     or reblocking op runs while the show is running the show command
> >     will blow up.
> 
> Ok, this (with daily_clean_hammer_enable=NO in /etc/periodic.conf) took me
> the whole night, but it gave me no B's.
> 
> >     The most likely scenario is that there's bad ram.
> 
> I haven't had time to run memtest for the obvious reason :)
> I'll do it later today.

I kept memtest running last night but I haven't seen a bad report.





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