[SO]HO Software RAID5 server: which implementation should
arnaud.houdelette at tzim.net
Tue Apr 22 15:00:12 UTC 2008
Miroslav Lachman a écrit :
> Arnaud Houdelette wrote:
>> Geom_raid5 is (unfortunatly ?) not part of Freebsd base.
>> You'll have to download and install the module and utility binaries
>> and follow the (simple) instructions from this website :
>> In the meantime, somebody convinced me to give zfs a try, I backed up
>> my data, converted the raid array to raidz pool and I must say I'm
>> not disappointed.
>> + Read performance (~160 Mo/s)
>> + Instant snapshots
>> + zfs filesystems goodness
>> + better support from the community
>> - Stability issues : zfs and kernel need to be tuned
>> - Drive crash scenario may be a bit more complex
> Do you have any stability issues after tuning? What settings you are
> I am testing ZFS for a short time with these values:
> (on Sun Fire X2100 with 4GB of RAM and FreeBSD 7.0-RELEASE amd64)
> It seems to be stable.
> Miroslav Lachman
Box is an AMD64 3200+ with 512MB of RAM.
The only tuning I did to get rid of panics :
I did not disable prefetch nor zil.
But It's only a home NAS : load on the filesystem is reduced : samba,
and rarely more than 2 client PC.
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