Disenchanted with ZFS; alternatives?
nslay at comcast.net
Mon Dec 1 23:39:58 PST 2008
Ivan Voras wrote:
> Kirk Strauser wrote:
>> At this point, I'm almost ready to go back to good ol' UFS2, but I'd hate to
>> give up that easy addition of new filesystems. I *could* have a single 700GB
>> root FS but that just doesn't seem right. Are there any good, tested GEOM-
>> based ways of getting that functionality, perhaps along the lines of using
>> something like gvirstor and growfs as needed?
> There's nothing as convenient as ZFS (really... anywhere) :( .
> I'm still hoping someone will sponsor development or porting of a widely
> used journalling file system like XFS, JFS, even ext3/4 to FreeBSD, but
> in the meantime UFS2+SU isn't that bad. Practically the only way to
> break it is if you have hardware errors that end up corrupting file
> system data. The need to run full fsck occasionally (as opposed to the
> softupdates-assisted one) is annoying but 700 GB should be manageable
> with 3-4 GB of memory. The softupdates-assisted fsck actually works very
> well in all but the heaviest loads (i.e. when the server is swamped by
> requests immediately after booting).
> You could also try gjournal but benchmark and test it first for your
> gvirstor is a theoretically good option if you need its specific
> functionality, only be doubly sure to benchmark it for your specific
> workload as it has some /unusual/ performance characteristics.
What about DragonFlyBSD's new HAMMER FS? I hear it has similar
capabilities as ZFS without the overhead. Though, strangely, I haven't
really heard anyone discuss it even though it was released some months ago.
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