On Mon, 12 Dec 2011, lhecking at users.sourceforge.net wrote: > >> 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). Make sure you're going through multipath even if you've only got a single link the iSCSI box. Just using iscsid and using the devices directly *will* cause you grief when you have failures. If you go via multipath the failures are masked, and it all behaves as you'd hope. jh