Difference between revisions of "Manual Node Recovery Guide"
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===1. Receive recovery version and short hash=== | ===1. Receive recovery version and short hash=== | ||
| − | A recovery coordinator will notify all | + | A recovery coordinator will notify all subnet Node Providers of the recovery image <code>version</code> and associated short (6-character) <code>hash</code> that Node Providers will use to apply the upgrade |
===2. Complete Recovery=== | ===2. Complete Recovery=== | ||
| − | Note that the recovery can be completed from the node's BMC console view or from the physical console | + | Note that the recovery can be completed from the node's remote BMC console view or from the physical console |
#Reboot the machine | #Reboot the machine | ||
| − | # | + | #During reboot, at the grub menu, press 'e' to edit the boot parameters (you must press 'e' before the 15-second timeout) |
| − | #:'' | + | #:''If you miss the timeout, don't worry. Just reboot the machine and try again.'' |
| − | #:[[File: | + | #:[[File:Host grub boot menu.png|580px|screenshot]] |
#From the GRUB edit mode screen, add the boot parameters: <code>recovery=1 version=ABC hash=XYZ</code> ''(replace ABC and XYZ with the version and hash provided by the recovery coordinator. Note that the hash should only be six-characters long.)'' | #From the GRUB edit mode screen, add the boot parameters: <code>recovery=1 version=ABC hash=XYZ</code> ''(replace ABC and XYZ with the version and hash provided by the recovery coordinator. Note that the hash should only be six-characters long.)'' | ||
#:[[File:Grub boot edit 1.png|480px|screenshot]] | #:[[File:Grub boot edit 1.png|480px|screenshot]] | ||
#:→→→ | #:→→→ | ||
#:[[File:Grub boot menu 2.png|480px|screenshot]] | #:[[File:Grub boot menu 2.png|480px|screenshot]] | ||
| + | #:🚧 Do not follow the screenshot's version and hash values! Use the <code>version</code> and <code>hash</code> values provides by the recovery coordinator! 🚧 | ||
#Press ctrl-X or F10 to boot | #Press ctrl-X or F10 to boot | ||
===3. Wait for recovery confirmation=== | ===3. Wait for recovery confirmation=== | ||
... | ... | ||
Latest revision as of 14:51, 20 August 2025
🚧🚧🚧 UNDER CONSTRUCTION 🚧🚧🚧
1. Receive recovery version and short hash
A recovery coordinator will notify all subnet Node Providers of the recovery image version and associated short (6-character) hash that Node Providers will use to apply the upgrade
2. Complete Recovery
Note that the recovery can be completed from the node's remote BMC console view or from the physical console
- Reboot the machine
- During reboot, at the grub menu, press 'e' to edit the boot parameters (you must press 'e' before the 15-second timeout)
- If you miss the timeout, don't worry. Just reboot the machine and try again.
- From the GRUB edit mode screen, add the boot parameters:
recovery=1 version=ABC hash=XYZ(replace ABC and XYZ with the version and hash provided by the recovery coordinator. Note that the hash should only be six-characters long.)
- →→→
- 🚧 Do not follow the screenshot's version and hash values! Use the
versionandhashvalues provides by the recovery coordinator! 🚧
- Press ctrl-X or F10 to boot
3. Wait for recovery confirmation
...