[plug] Cheap iSCSI .vs. NFS for VM's

Adon Metcalfe adon.metcalfe at gmail.com
Thu Jan 24 05:58:25 UTC 2013

As in all code/config is in vcs (mercurial) and runtime modifiable data
isn't keot locally, so restore is reimage + checkout + reboot (and restore
db if a db host).
On 24 Jan 2013 13:54, "Tim White" <weirdit at gmail.com> wrote:

> On 24/01/13 14:11, Adon Metcalfe wrote:
>> We'll be using ceph soon too, but for vms we just put them all on local
>> storage and make them stateless (user writable data all goes to remote
>> cephfs fileshare, databases stored locally but backed up frequently via
>> bacula). That's the cheapest layout we found for high performance VM's
>> while still having redundancy (if we lose a server coz their stateless its
>> like a 15 minute rebuild).
> Can you tell me more about what you mean by stateless?
> As in, its an imaged server that has a config and runs, so if it dies it's
> just the users state that is lost?
> Tim
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