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@ -76,9 +76,9 @@ As an alternative to remote fencing, nodes can be configured to kill themselves
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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.
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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.
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The following table covers some common scenarios, and whether fencing and automatic recovery can be exepected to occur.
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The following table covers some common scenarios, and whether fencing (and subsequent automatic recovery) can be exepected to occur.
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| Situation | Fence & Autorecovery? | Notes |
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| Situation | Fence? | Notes |
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| --------- | --------------------- | ----- |
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| --------- | --------------------- | ----- |
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| OS lockup (load, OOM, etc.) | ✅ | A key design situation for the fencing system |
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| OS lockup (load, OOM, etc.) | ✅ | A key design situation for the fencing system |
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| OS kernel panic | ✅ | A key design situation for the fencing system |
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| OS kernel panic | ✅ | A key design situation for the fencing system |
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