Date: Fri, 30 Apr 2010 16:33:16 +0200 From: Ollivier Robert <roberto@keltia.freenix.fr> To: FreeBSD Current Users' list <freebsd-current@FreeBSD.ORG> Subject: rsync locks for very long periods (indefinitely?) when using suj over raid5 Message-ID: <20100430143316.GA475@roberto-al.eurocontrol.fr>
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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@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 http://sparc64.pastebin.com/NBNQJJXs bt on rsync http://sparc64.pastebin.com/cCZx0FU7 Kernel compiled with INVARIANTS INVARIANT_SUPPORT WITNESS WITNESS_SKIPSPIN Anything else? -- Ollivier ROBERT -=- FreeBSD: The Power to Serve! -=- roberto@keltia.freenix.fr In memoriam to Ondine : http://ondine.keltia.net/
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