How can I deploy a system and use LVM snapshot/merge to be able to restore an earlier state of the root filesystem?
Issue
- How can I deploy a system and use LVM snapshot/merge to be able to restore an earlier state of the root filesystem?
- How can I use LVM snapshot/merge to be able to rollback my system to an earlier state?
- How can I use LVM snapshots/merge as part of my patching strategy?
- How can I get a failsafe / backout mechanism subsequent to application of patches / packages which could introduce problems?
- Does Sun's 'live upgrade' or a similiar functionality exist on Red Hat Enterprise Linux?
Environment
- Red Hat Enterprise Linux 6, 7 and 8
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