Re: Parameter snapshot in vm.sh

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Quoting "Dirk H. Schulz" <dirk.schulz@xxxxxxxxxxxxx>:

Hi folks,

I do not understand this as the virtual machine image is stored wherever it is configured in the virtual machine config file - and what does it have to do with snapshots (i. e. what is a "snapshot directory")?


The snapshot directory is the directory into which vm.sh will "virsh save" the memory contents of the guest when shutting it down (when use_virsh="1" at least). As I understand it, during rgmanager (or clusvcadm -d) activities, the vm is saved to the snapshot directory and restored from the file in that directory - if it exists.

Somewhat unrelated; I'd love to have a parameter that defines the "stop" action as either "snapshot" or "shutdown". It takes a long time to snapshot 10 guests to a gfs2 file system and the restore functionality does a valiant effort, but the Linux kernel does not seem to like being restored as of yet (the guest usually hangs after a seemingly arbitrary amount of time). As a result, my innodb based tables get a little cranky from the interruption/crash.

// Thomas

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