[fedora-virt] handling guest-service dependencies at boot time elegantly?
Bill McGonigle
bill at bfccomputing.com
Thu Jun 11 23:38:43 UTC 2009
On 06/11/2009 04:53 PM, Richard W.M. Jones wrote:
> Common problem, no good solutions.
OK, that's helpful to know I haven't missed the obvious.
> The best advice I think is to change your architecture so that virtual
> machines can cope with other services being unavailable. Not just at
> boot time, but_any_ time, because you never know when you might need
> to restart your iscsi service.
>
> NFS can do this with background mounts and so on. I'm not sure about
> iscsi though ...
NFS root is the next thing on my list to figure out. :) I'd like to get
it to the point of only needing /boot on iSCSI, at least until btrfs
lands. I should probably mount it sync too, just in case.
Does Xen deal with a device going away and coming back with the same
name? Either automatic or via hotplugging would be effective. I'm
using /dev/disk/by-path/ names so they should line up correctly at least.
Thanks,
-Bill
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