On 2014年09月22日 13:36, 朱波 wrote:
Hi, folks
I'm a new sheepdog user, I have run sheepdog on 15 sheepdog nodes.
And do cluster-wide snapshot for this cluster.
Recently, I restored the snapshot into a new cluster with 7 nodes. But
it failed. the command "dog vdi list" would show me some object can't
be found. And currently we don't have more nodes and time to verify
whether it would be successful when restore it into a new cluster with
15 sheepdog nodes.
So I have two questions want to check with you guru:
1. Could cluster-wide snapshot be restored into different cluster
with different number node?
Yes. Cluster-wide snapshot is de-duplicated. It can be restored into
different cluster with different number of nodes and with different
redundancy level.
2. If one cluster-wide snapshot is failed(after restored, "dog vdi
list" will show some object can't be found), would another new
cluster-wide snapshot based on the failed one be successful? in other
words, the first tag of cluster-wide snapshot is failed, can the
second tag be successful? Are they independent?
What is your sheep's version? And, how you produce the failure (some
objects not found)? Maybe it is relevant to a bug which is fixed recently.
https://github.com/sheepdog/sheepdog/commit/7e236cee8951aa749b84e9b66fbb86385a92b450
Anybody can help me? Any response will be appreciated.
Thanks & Regards
Ivan
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