When using CLVM all hypervisors in the Cluster show as having the same ACTIVE logical volumes. This triggers OnApp to spam the logs with the wrong activated volume message making it impossible to use the logs for any meaningful purpose.
Using CLVM is recommended when using the same Volume Group on multiple systems. It can be done without it however there are side effects that can result in data corruption. We had such an issue previously and looked for an alternative setup. CLVM seems to mitigate these issues.
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