Am 12.12.2011 15:13, schrieb Rudi Ahlers: > On Mon, Dec 12, 2011 at 3:52 PM, Reindl Harald <h.reindl@xxxxxxxxxxxxx> wrote: >> >> >> Am 12.12.2011 14:49, schrieb lhecking@xxxxxxxxxxxxxxxxxxxxx: >>> >>>> 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
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