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Joshua Boniface 2023-09-17 00:41:22 -04:00
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docs/architecture/fencing.md
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@ -76,9 +76,9 @@ As an alternative to remote fencing, nodes can be configured to kill themselves
The conditions in which a node can be successfully fenced are limited, and thus, autorecovery is limited only to those situations where a fence can succeed. In short, any situation whereby a node's OS is not responding normally, but its IPMI interface is still up and available, should succeed in a fence; in contrast, those where the IPMI interface is also unavailable will fail.
The following table covers some common scenarios, and whether fencing and automatic recovery can be exepected to occur.
The following table covers some common scenarios, and whether fencing (and subsequent automatic recovery) can be exepected to occur.
| Situation | Fence & Autorecovery? | Notes |
| Situation | Fence? | Notes |
| --------- | --------------------- | ----- |
| OS lockup (load, OOM, etc.) | ✅ | A key design situation for the fencing system |
| OS kernel panic | ✅ | A key design situation for the fencing system |