Re: resync hangs

[Randall Smith <randall@tnr.cc>]

Maybe I should have used "resync stalls" in the subject.

Any hints about this?  What kind of things might cause it to stall?

Randall

Randall Smith wrote:
> On occasions that my raid5 array needs to resync (power outage, etc), 
> the resync stops progressing early on.  This is on Debian Lenny.  I've 
> tried the stock 2.6.26 kernel as well as the 2.6.29 kernel from Sid.
> 
> On boot:
> 
> [   10.022020] md: md2: raid array is not clean -- starting background 
> reconstruction
> [   10.032896] raid5: allocated 3226kB for md2
> [   10.032936] raid5: raid level 5 set md2 active with 3 out of 3 
> devices, algorithm 2
> [   10.033685]  md2: unknown partition table
> [   20.492246] md: resync of RAID array md2
> 
> 
> ~$ cat /proc/mdstat
> 
> md2 : active raid5 sda3[0] sdf3[2] sdc3[1]
>       488279424 blocks level 5, 64k chunk, algorithm 2 [3/3] [UUU]
>       [>....................]  resync =  0.0% (128/244139712) 
> finish=1220697.9min speed=0K/sec
> 
> 
> I it resyncs find when using a live cd.  Any ideas what's causing it to 
> hang.
> 
> --Randall