<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">On Aug 28, 2014, at 1:43 AM, Vincenzo Pii <<a href="mailto:piiv@zhaw.ch">piiv@zhaw.ch</a>> wrote:<br><div><br class="Apple-interchange-newline"><blockquote type="cite"><div dir="ltr">Hello,<div><br></div><div>What software/technologies can be used on OmniOS to get an active/passive setup between two (OmniOS) nodes?</div><div><br></div><div>Basically, one node should be up and running all the time and, in case of failures, the second one should take over transparently.</div> <div><br></div><div>Is the IHAC project (<a href="https://www.illumos.org/projects/ihac">https://www.illumos.org/projects/ihac</a>) still alive or forked and maintained somewhere else? When trying to access the Repository I get a 404...<br></div></div></blockquote><div><br></div><div>The old project was Open[Solaris] High Availability Cluster (OHAC). It isn't worth thinkering</div><div>with: too complex and overkill for just HA failover (I know, I wrote the book on SunCluster 3, way</div><div>back when...)</div><div><br></div><div>For a commercially supported product, take a look at High Availability Computing's RSF-1,</div><div><a href="http://www.high-availability.com">www.high-availability.com</a>. </div><div><br></div><div>For DIY, Saso wrote up a how-to using pacemaker and blogged about it.</div><div><a href="http://zfs-create.blogspot.com/2013/06/building-zfs-storage-appliance-part-1.html">http://zfs-create.blogspot.com/2013/06/building-zfs-storage-appliance-part-1.html</a></div><div><br></div><div>Be aware that there are a lot of alligators in the waters around building HA systems, many</div><div>of which are not in the OS software, but the OS has to deal with the "anomalies, lies, and</div><div>damn lies" from the hardware/firmware/BIOS/cables/drives/NICs/etc. If downtime costs you</div><div>money, then it is worth getting involved with domain experts -- those who know the idiosyncracies</div><div>of the environments.</div><div> -- richard</div></div><br></body></html>