Cluster Filesystem
Oliver Fromme
olli at lurza.secnetix.de
Wed Aug 13 16:57:39 UTC 2008
Norberto Meijome wrote:
> "Rudi Kramer - MWEB" wrote:
> > Don't forget about the HAMMER file system which Matthew Dillon over at
> > DragonFly BSD is busy working on. It's not 100% finished but hopefully
> > soon and it should be ported to FreeBSD. It looks to be pretty good
> > (Exabytes of space?!!!?)
> >
> > More info:
> >
> > Interview with Matthew:
> > http://cisx1.uma.maine.edu/~wbackman/bsdtalk/bsdtalk154.mp3
> > Website: http://www.dragonflybsd.org/hammer/
> > Wiki: http://en.wikipedia.org/wiki/HAMMER
>
> interesting. it mentions mirroring...but clustering? as in,
> having a unique ( or several) namespaces that, when addressed,
> allow you to access any of the nodes that provide storage?
Note that Matt's terminology is a little bit confusing.
What he calls "mirroring" in HAMMER has nothing to do
with RAID-1 (like gmirror), but it is rather a kind of
replication. The "mirroring" feature allows replication
between local and/or remote file systems. So, yes, it
is intended to support clustering.
Clustering and SSI is the main goal of DragonFly BSD,
after all.
Best regards
Oliver
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In my experience the term "transparent proxy" is an oxymoron (like jumbo
shrimp). "Transparent" proxies seem to vary from the distortions of a
funhouse mirror to barely translucent. I really, really dislike them
when trying to figure out the corrective lenses needed with each of them.
-- R. Kevin Oberman, Network Engineer
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