rsync locks for very long periods (indefinitely?) when using suj over raid5

Ollivier Robert roberto at
Fri Apr 30 14:48:35 UTC 2010

9.0-CURRENT as of two hours ago (with latest SUJ fixes then) running on a bi-Xeon @2.8 GHz (5 year old) w/ HT, 32-bit mode (no LM). 4 GB, no PAE

4 72 GB disks in a raid5 with gvinum, block size: 128 KB
UFS2 + SUJ, mounted async.

420 [15:40] root at vcs:/data# gvinum list
4 drives:
D gvinumdrive0          State: up	/dev/da2	A: 6/69459 MB (0%)
D gvinumdrive3          State: up	/dev/da5	A: 6/69459 MB (0%)
D gvinumdrive2          State: up	/dev/da4	A: 6/69459 MB (0%)
D gvinumdrive1          State: up	/dev/da3	A: 0/69452 MB (0%)

1 volume:
V data0                 State: up	Plexes:       1	Size:        203 GB

1 plex:
P data0.p0           R5 State: up	Subdisks:     4	Size:        203 GB

4 subdisks:
S data0.p0.s3           State: up	D: gvinumdrive3 Size:         67 GB
S data0.p0.s2           State: up	D: gvinumdrive2 Size:         67 GB
S data0.p0.s1           State: up	D: gvinumdrive1 Size:         67 GB
S data0.p0.s0           State: up	D: gvinumdrive0 Size:         67 GB

rsync from / (plain UFS2) to /data (UFS2+SUJ over raid5) locks in a matter of seconds. Stay in "getblk" state.

ps / show pcpu / show alllocks / show threads / show lockedvnods

bt on rsync

Kernel compiled with

Anything else?

Ollivier ROBERT -=- FreeBSD: The Power to Serve! -=- roberto at
In memoriam to Ondine :

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