TL;DR Access PVE host root filesystem when booting off Proxmox installer ISO. A non-intuitive case of ZFS install not supported by regular Live Debian. Fast full host backup (no guests) demonstration resulting in 1G archive that is sent out over SSH. This will allow for flexible redeployment in a follow-up guide. No proprietary products involved, just regular Debian tooling.
ORIGINAL POST Rescue or backup entire host
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TL;DR The unexpected reboot you have encountered might have had nothing to do with any hardware problem. Details on specific Proxmox watchdog setup missing from official documentation.
ORIGINAL POST The Proxmox time bomb watchdog
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TL;DR When considering a Quorum Device for small clusters, be aware of other valid alternatives that were taken off the list only due to High Availability stack concerns.
ORIGINAL POST Some lesser known quorum options
TL;DR Distinguish the role of Corosync in Proxmox clusters from the rest of the stack and appreciate the actual reasons behind unexpected reboots or failed quorums.
ORIGINAL POST The Proxmox Corosync fallacy
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TL;DR Automate subscription notice suppression to avoid the need for manual intervention during periods of active UI development. No risky scripts with obscure regular expressions that might corrupt the system in the future.
ORIGINAL POST Proxmox VE nag removal, scripted
TL;DR Brief look at what exactly brings up the dreaded notice regarding no valid subscription. Eliminate bad UX that no user of free software should need to endure.
ORIGINAL POST Proxmox VE nag removal, manually
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