pvesr hangs VE processes

hk@

Renowned Member
Feb 10, 2010
247
7
83
Vienna
kapper.net
Hi,
we are testing pvesr to replicate several VEs for easy migration between several nodes.
Basically this is working nice, but if node A replicates a big chunk (100+GB) to node B while B trying to replicate another VE to A this results in hangs within this VE while zfs replication tries and fails. This has the potential to spiral into a problem.
Also notable: one can not stop/remove a replication while it's trying to sync.
Suggestion would be to have a back-off strategy for a replicationjob that fails, like double the waiting time for the next try after each failed attempt.
Being able to stop a sync-job would also be helpful (especially while it is pending).
Finally a kind of time-slice might also help: for initial replications of big storages only transfer like 10GB, then allow other replication-jobs to run and then take the next 10G and so on.
Any improvement on these issues would be greatly appreciated.
H.
 

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