[OmniOS-discuss] Illumos and Infiniband

[Chris Zembower]

Totally agreed on all fronts, and many, many more. That's why I emailed the
list!


On Wed, Jan 29, 2014 at 3:59 PM, Dan Swartzendruber <dswartz at druber.com>wrote:

> > Well, this is all very encouraging! I guess there is interest and actual
> > usage out there.
> >
> > Unfortunately, I need FDR-ish speeds (at least 4GB/s), the entire network
> > is setup for FDR, and I only have ConnectX-3 adapters, so it's Linux for
> > me
> > until some new developments emerge.
> >
> > Dan, I can somewhat vouch for the stability of ZFS on Debian and CentOS
> > using the ZoL kernel implementation. My Debian system (the one using IB)
> > is
> > at 65 days uptime with a 24/7 heavy load, managing 100TB+ of datasets in
> a
> > quasi-production (replicated) environment. First disk replacement went
> > smoothly last week. Time will tell... The CentOS install has been up for
> > close to a year. However, in terms of raw disk access speeds, neither of
> > these systems performs anywhere near as well as OmniOS or OI.
>
> Chris, let me clarify.  I had this same converasation on a forum somewhere
> where some guy got all defensive and borderline-accused me of being an
> anti-ZoL troll or something.  Anyway, for basic I/O and serving up NFS
> (andmaybe even iSCSI) clients, sure, I agree!  The places it still falls
> down (not directly related to ZoL itself) are things where if your HBA is
> a little slow off the mark presenting the disks to the ZFS driver, you can
> end up with zvols that are not visible, datasets that have to be manually
> exported, iscsi target daemon needing to be manually restarted, etc...
> All having to do with bad timing between udev and ZFS.  Oh, also, no zfs
> root pool unless you want to slide down a very sharp razor blade...
>
>
>
>
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