search for: plock_rate_limit

...64 statfs_slow = 0 complain_secs = 10 max_readahead = 262144 quota_quantum = 60 quota_warn_period = 10 jindex_refresh_secs = 60 log_flush_secs = 60 incore_log_blocks = 1024 [root at www3 www]# cat /etc/cluster/cluster.conf |egrep '(dlm)|(gfs)' <dlm plock_ownership="1" plock_rate_limit="0"/> <gfs_controld plock_rate_limit="0"/> Fred Wittekind

...my DRBD cluster with gfs2. It seems that our gfs2 implementation is quit slow. When running the ping_pong test we get no more than a 1000 locks/sec on the disk. ./ping_pong /mnt/backup/test.dat 4 879 locks/sec The cluster config has been updated with: <dlm plock_ownership="1" plock_rate_limit="0"/> <gfs_controld plock_rate_limit="0"/> gfs2_tool getargs /mnt/backup statfs_percent 0 data 2 suiddir 0 quota 0 posix_acl 0 upgrade 0 debug 0 localflocks 0 localcaching 0 ignore_local_fs 0 spectator 0 hostdata jid=1:id=2752514:first=0 locktable lockproto gf...

...86 2929 5712 5- 2789 1464 1432 2787 2652 3774 427 2112 2649 2879 5676 6- 2843 1460 1444 2839 2722 3948 422 2164 2713 2957 5778 rhel6 x86_64/GFS2 two nodes, shared FC lun on a SAN(Used RDM in VMWare vSphere for GFS2 lun) Tunned cluster suite cluster.conf + <dlm plock_ownership="1" plock_rate_limit="0"/> <gfs_controld plock_rate_limit="0"/> Totals: Logi List Stat Sele Fetc Fet2 Stor Dele Expu Appe Logo 100% 50% 50% 100% 100% 100% 50% 100% 100% 100% 100% 30% 5% 1- 2730 1340 1356 2704 2644 3748 522...

> From: Stan Hoeppner <stan at hardwarefreak.com> > Subject: Re: [Dovecot] SSD drives are really fast running Dovecot > > > Yes. Go with a cluster filesystem such as OCFS or GFS2 and an inexpensive SAN > storage unit that supports mixed SSD and spinning storage such as the Nexsan > SATABoy with 2GB cache: http://www.nexsan.com/sataboy.php I can't speak for

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