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I'm all for this JVM re-implementation project, but the sysadmin aspect is just going to be pushed one level up the the Xen image host. You'll need some mechan
by tezza 17y ago
I'm all for this JVM re-implementation project, but the sysadmin aspect is just going to be pushed one level up the the Xen image host.
You'll need some mechanism to re-deploy major updates that cannot be accomplished via custom mechanisms, and that's most likely to still be
ssh to xen master
upload new xen image
adjust xen master rc scripts to load new image on startup
Hardly turtles-all-the-way down
- antonovka 17y agoYou'll need some mechanism to re-deploy major updates that cannot be accomplished via custom mechanisms, and that's most likely to still be ... Why wouldn't the virtual machine bootstrap itself from network loaded code -- then it wouldn't be necessary to update the root Xen image. Why couldn't I write a network service (also on the VM) that runs on other Xen instances and serves up the netboot code? Why would updating the root VM require SSH? Couldn't I have a nice web management UI that I can just upload a new bootstrap JVM image to (on the rare occasions that I need to?). Perhaps systems could directly self-update the root Xen image on reboot? I don't know why I'd have turtles-all-the-way down and then require some ugly update system that involves editing RC scripts.