[Openstack] ZFS/zvol + iscsi

Andrew Ruthven andrew at etc.gen.nz
Fri Jun 22 02:25:58 UTC 2012


Hi,

Just a follow up to the discussion the other week about ZFS on kfreebsd.

I've just been working on that (before finding the discussion here).

Getting nova-volume to apt-get install on Debian kfreebsd is trivial,
just requires building a new .deb with fixed dependencies.  I'll submit
this to Debian if I can get past the next problem.

There is no sbdadm for kfreebsd or freebsd which the SolarisISCSIDriver
requires.

For kfreebsd you need to use istgt, to add a new LUN you need to edit a
config file and currently restart istgt for it to be picked up, which
kinda sucks.  The istgt in freebsd has a reload command that (surprise)
reloads istgt.conf and advertises any new LUNs configured, but that
hasn't made it to kfreebsd yet.

That last one is a kicker for me at this stage, but I'm tempted to write
some code that can generate the required blocks to go in the config file
and port over the reload patch.

Is anyone else actively looking at this?

Cheers!

-- 
Andrew Ruthven
Wellington, New Zealand
At home: andrew at etc.gen.nz |   linux.conf.au 2013
                           | Come join the party...
                           |  http://linux.conf.au
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