On Mar 05, 2008 19:54 -0500, John Nelson wrote: > 1. Will there be performance lose with a smaller journal say 32MB instead > of 128MB? Depends on how high an IO/metadata rate you have. If you are just doing light desktop IO it won't make any difference. > 2. Is there a way to see free space left in the journal or is it cleared at > each mount? The journal is a circular buffer, so this is hard to determine exactly. > 3. Is journal_data_ordered atomic like reiser4 where either a transaction > will happen or it wont happen? I'm not sure what you mean - there is data=journal and data=ordered mode. data=journal means all data and metadata changes are atomic. data=ordered (the default) means that data is written to disk before metadata so if there is a crash that you don't get garbage in your files. Cheers, Andreas -- Andreas Dilger Sr. Staff Engineer, Lustre Group Sun Microsystems of Canada, Inc. _______________________________________________ Ext3-users mailing list Ext3-users@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/ext3-users
