On Sep 25, 2012, at 12:30 PM, Jim Klimov <jimkli...@cos.ru> wrote: > Hello all, > > With original "old" ZFS iSCSI implementation there was > a "shareiscsi" property for the zvols to be shared out, > and I believe all configuration pertinent to the iSCSI > server was stored in the pool options (I may be wrong, > but I'd expect that given that ZFS-attribute-based > configs were deigned to atomically import and share > pools over various protocols like CIFS and NFS). > > With COMSTAR which is more advanced and performant, > all configs seem to be in the OS config files and/or > SMF service properties - not in the pool in question. > > Does this mean that importing a pool with iSCSI zvols > on a fresh host (LiveCD instance on the same box, or > via failover of shared storage to a different host) > will not be able to automagically share the iSCSI > targets the same way as they were known in the initial > OS that created and shared them - not until an admin > defines the same LUNs and WWN numbers and such, manually? > > Is this a correct understanding (and does the problem > exist indeed), or do I (hopefully) miss something?
That is pretty much how it works, with one small wrinkle -- the configuration is stored in SMF. So you can either do it the hard way (by hand), use a commercially-available HA solution (eg. RSF-1 from high-availability.com), or use SMF export/import. -- richard -- illumos Day & ZFS Day, Oct 1-2, 2012 San Fransisco www.zfsday.com richard.ell...@richardelling.com +1-760-896-4422
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