> Brad Keryan <keryan@andrew.cmu.edu> writes:
> > Log-structured filesystems sound extremely good on paper. Is there a
> > stable, fast, log-structured filesystem for any OS at this point?
>
> AIX's LFS, IRIX's XFS, Digital Unix's AdvFS. These are pretty fast and stable.
> WinNT's NTFS is supposed to be log-structured too and reasonably stable (don't
> know about speed, but making anything fast within WinNT is not easy).
>
> SunOS's ufs has also been hacked by adding a log to it. I don't know if it's
> fast and/or stable, though.
I've played a lot with their stuff from the ``Solstice Disksuite'' for
Solaris 2.5.1 during the last time. I'm depressed as far as reliability
goes. Logging seems to be fine except that performance is visibly impacted
when the log resides on the same disk as the fs.
IMHO SGI's XFS is king of the road. I'm rebooting my Indy very often the
way UNIX isn't supposed to be rebooted; I just stopped using the shutdown
command when switching IRIX <-> Linux. I also had hardware problems with
my SCSI disks / cabeling at some time. Result: not a scratch in the
filesystems; performance is great.
Stefan Monier: You're producing bad addresses in your header.
Ralf