I'd better should not use drdb with OCFS, except for the _proof of concern_ or _learning_ things.
----- Original Message ----- From: "Sunil Mushran" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Cc: <[email protected]> Sent: Wednesday, February 21, 2007 9:54 AM Subject: Re: [Ocfs2-users] Performance Problems while reading > And you are convinced that drdb's primary-primary is not the > cause for the slowdown. ?? > > Egon Burgener wrote: > > Hi all > > > > We are using a 2 node cluster with drbd 8 (primary/primary state) and > > ocfs2. Reading a file on one node while it will be written on the other > > node is very slow. Reading a file on node while it will be written on > > the same node is fast. > > In the first case the node which wants to read the file has to ask the > > other to downgrade the locklevel. In my opinion this is a bottleneck, if > > the files are big. Increasing clustersize did not really help. > > > > Is there a away to speed up the read of such a file? > > > > Is it possible to open files for reading in nolock mode (NL) instead of > > (PR)? > > > > Thanks for your response, > > > > Egon > > > > > > > > _______________________________________________ > > Ocfs2-users mailing list > > [email protected] > > http://oss.oracle.com/mailman/listinfo/ocfs2-users > > > > _______________________________________________ > Ocfs2-users mailing list > [email protected] > http://oss.oracle.com/mailman/listinfo/ocfs2-users > _______________________________________________ Ocfs2-users mailing list [email protected] http://oss.oracle.com/mailman/listinfo/ocfs2-users
