Reindl Harald wrote: > Am 12.12.2011 15:13, schrieb Rudi Ahlers: >> On Mon, Dec 12, 2011 at 3:52 PM, Reindl Harald <h.reindl at thelounge.net> >> wrote: >>> Am 12.12.2011 14:49, schrieb lhecking at users.sourceforge.net: >>>> >>>>> Outage is one thing, but having the disk volumes disappear >>>>> mid-transaction can be detrimental to a file system's health. >>>> >>>> To get this back on-topic and closer to the OP's requests, are there >>>> any particular iscsi settings one should consider to increase >>>> resiliency and minimise the impact of e.g. a rebooting switch? >>>> timeout settings? The big disadvantage of iscsi is that you add >>>> another layer that can fail (compared to having virtual machine >>>> images on a local disk). >>> >>> you should always have two links to your iSCSI device and two >>> different switches so that it does not matter if one switch >>> dies or reboots >>> >> And then you still have the iSCSI applicance / server to worry about. >> It can fail as well. Even with redundancy PSU's it could fail - the >> RAM, CPU, motherboard, controller card, expensive RAID card, etc can >> fail as well. > > get the right hardware and you do not have this problem > http://h10010.www1.hp.com/wwpc/us/en/sm/WF04a/12169-304616-241493-241493-241493.html > > you have TWO of all components with hotplug Until you have a fire, or a water line breaks, or.... I worked somewhere I shouldn't mention about a dozen years ago, that had three H/A clusters... on either side of a drywall wall, not even fire resistant. mark