"Stephen C. Tweedie" <sct@redhat.com> writes: > > A fair bunch of people did a fair bunch of testing of this last year. > > Bottom line: RAM-based journals don't speed ext3 up. > > Well, they did, but in general it was no better than adding an > external disk-based journal. So I want to use a small RAID-1 to hold the journal for the 600GB RAID-5-based FS. Should be OK? I haven't found hints on sizing the external journal. How big should it be, and how do configuration factors (journalling mode e.g.) influence this? Sven