SR continuous replication

[olivierlambert]

For people having "moving" infrastructure (eg VM created/removed often on various SRs, with self service), our CR/DR job could have multiple "SR sources", but only one destination that could be filled quickly (eg 5 source SRs to only 1 destination SR, it has to be huge).

In those cases, it would be better to have a job that replicates on the SR level, like a smart backup but with the SR condition.

Spec

Like smart backup, but with source SR:

• setting a source SR
• setting a destination SR (as usual)

Then, automatically, XO could:

• find all VMs with at least a disk into the selected source SR
• replicate all VMs on this SR to the destination one

In this way, you could create jobs related to SR only and not VMs, it's more flexible and "easy to forget": all your VM on SR foobar are replicated.

Questions

• same than smart backup (what about removed VMs? we should be able to rotate the backups until it disappear)