On Monday 08,March,2010 10:09 AM, Slack-Moehrle wrote:
OpenSolaris or FreeBSD with ZFS?
I am also having some NAS storage at home, and consists of :
a. OpenSolaris booted from hard disk with ZFS, mostly doing NFS and
iSCSI Target for VMWare ESX, Intel Core Duo proc+ICH7 controller
b. EON storage (which is miniaturized OpenSolaris) booted from USB with
newest ZFS + dedup, shared using CIFS, Intel Atom with onboard SATA
c. EON storage (which is miniaturized OpenSolaris) booted from CF Card
with newest ZFS + dedup, shared using Samba, Intel Atom with onboard SATA
d. FreeNAS 7.1(which is appliance based FreeBSD 7.2) booted from CF
card, shared using Samba, AMD Sempron with 2 x SIL3114
e. FreeNAS 7RC2 (which is appliance based FreeBSD 7.2) booted from CF
card, shared using Samba, Intel Atom with 1 x SIL3114
From my experience :
1. OpenSolaris implementation of CIFS is much more speedier than Samba.
All the servers above are using 2-4 GB RAM. If the sama data (mostly
JPEG picture and AVI files) being shared to Windows or Linux client, the
CIFS server present the directory faster. Slideshow or jumping the time
in the movie also smoother for CIFS
2. OpenSolaris (and EON) does not have proper implementation of SMART
monitoring. Therefore I cannot get to know the temperature of my hard
disks. Since they are DIY storage without chassis environment
monitoring, I consider this an important regression
3. OpenSolaris (and EON) does not have proper serial number display of
the Seagate hard disks I am using. If I use the format to read the
serial number, I always miss the last character. If I read them using
the "hd" or "hdparm" utility, I will miss the first character
4. This still cannot be proofed rationally, but I have a hunch that
OpenSolaris is more picky compared to FreeBSD. For the multi ports SATA
controller, I am using Silicon Image SIL3114 which is known to have a
history of flaky controller. If I run them under OpenSolaris (or EON)
then I will have many data corruption problem or disk not attending to
request. However if I run the FreeNAS, I do not see any problem. That is
why the SIL3114 always paired with FreeNAS. I guess may be it is also
the SIL3114 driver also.
Overall, I am happy using ZFS. Previously I use the FreeBSD vinum and
Linux mdraid, always got a data corruption and unexpected behaviour
during disk problem or replacement.
Hope that helps,
Dedhi
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