Fixed some e.g. problems and some spelling errors.
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@@ -89,7 +89,7 @@ Mitigations:
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- Mitigates: Apiserver VM shutdown or apiserver crashing
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- Mitigates: Apiserver VM shutdown or apiserver crashing
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- Mitigates: Supporting services VM shutdown or crashes
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- Mitigates: Supporting services VM shutdown or crashes
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- Action use IaaS providers reliable storage (e.g GCE PD or AWS EBS volume) for VMs with apiserver+etcd
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- Action use IaaS providers reliable storage (e.g. GCE PD or AWS EBS volume) for VMs with apiserver+etcd
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- Mitigates: Apiserver backing storage lost
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- Mitigates: Apiserver backing storage lost
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- Action: Use (experimental) [high-availability](/docs/admin/high-availability) configuration
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- Action: Use (experimental) [high-availability](/docs/admin/high-availability) configuration
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@@ -129,7 +129,7 @@ Support for updating DaemonSets and controlled updating of nodes is planned.
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### Init Scripts
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### Init Scripts
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It is certainly possible to run daemon processes by directly starting them on a node (e.g using
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It is certainly possible to run daemon processes by directly starting them on a node (e.g. using
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`init`, `upstartd`, or `systemd`). This is perfectly fine. However, there are several advantages to
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`init`, `upstartd`, or `systemd`). This is perfectly fine. However, there are several advantages to
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running such processes via a DaemonSet:
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running such processes via a DaemonSet:
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@@ -52,7 +52,7 @@ Second, decide how many clusters should be able to be unavailable at the same ti
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the number that can be unavailable `U`. If you are not sure, then 1 is a fine choice.
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the number that can be unavailable `U`. If you are not sure, then 1 is a fine choice.
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If it is allowable for load-balancing to direct traffic to any region in the event of a cluster failure, then
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If it is allowable for load-balancing to direct traffic to any region in the event of a cluster failure, then
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you need at least the larger of `R` or `U + 1` clusters. If it is not (e.g you want to ensure low latency for all
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you need at least the larger of `R` or `U + 1` clusters. If it is not (e.g. you want to ensure low latency for all
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users in the event of a cluster failure), then you need to have `R * (U + 1)` clusters
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users in the event of a cluster failure), then you need to have `R * (U + 1)` clusters
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(`U + 1` in each of `R` regions). In any case, try to put each cluster in a different zone.
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(`U + 1` in each of `R` regions). In any case, try to put each cluster in a different zone.
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@@ -49,7 +49,7 @@ either `kubectl` or addon pod.
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### Kubectl
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### Kubectl
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This is the recommanded way to start node problem detector outside of GCE. It
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This is the recommended way to start node problem detector outside of GCE. It
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provides more flexible management, such as overwriting the default
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provides more flexible management, such as overwriting the default
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configuration to fit it into your environment or detect
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configuration to fit it into your environment or detect
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customized node problems.
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customized node problems.
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@@ -238,7 +238,7 @@ implement a new translator for a new log format.
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## Caveats
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## Caveats
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It is recommanded to run the node problem detector in your cluster to monitor
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It is recommended to run the node problem detector in your cluster to monitor
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the node health. However, you should be aware that this will introduce extra
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the node health. However, you should be aware that this will introduce extra
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resource overhead on each node. Usually this is fine, because:
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resource overhead on each node. Usually this is fine, because:
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