Chris Mason wrote: > >On Tuesday, January 29, 2002 04:08:47 PM -0600 Matthew Hunter ><[EMAIL PROTECTED]> wrote: > >>I've spent some time recently building a new system, and trying >>to optimize the HD setup on that system. That means a 3-disk >>RAID for most of the important data (RAID5 for important data, >>RAID0 for performance in other areas). I would like to use >>reiserfs for some or all of these partitions... BUT: after a >>system crash (which happens more than I would like; I am still >>trying to narrow down the cause), it can take hours to recover >>the system. >> >>Why? >> >>Well, after the crash, the RAID5 has to resync. And reiserfs ahs >>to read and replay the various journals as it mounts these >>partitions. The combination of reading journals and resyncing >>RAID5 seems to produce a hideously slow system, presumably due to >>contention of some kind. >> > >The kernel has problems with read io starvation, especially with IDE >drives. Andrew Morton recently posted some patches to l-k that should >really help in this case. > >-chris > > >
Did Edward's fixes to this problem get into our code? Hans
