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doc: update troubleshooting.md for instance manager

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Signed-off-by: Sheng Yang <sheng.yang@rancher.com>
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Sheng Yang 2019-09-18 14:40:37 -07:00 committed by Sheng Yang
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docs/troubleshooting.md
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@ -26,7 +26,7 @@ Make use of the Longhorn UI is a good start for the troubleshooting. For example
Also, the event logs in the UI dashboard provides some information of probably issues. Check for the event logs in `Warning` level.
### Manager and engines
You can get the log from Longhorn Manager and Engines to help with the troubleshooting. The most useful logs are from `longhorn-manager-xxx`, and the log inside Longhorn Engine, e.g. `<volname>-e-xxxx` and `<volname>-r-xxxx`.
You can get the log from Longhorn Manager and Engines to help with the troubleshooting. The most useful logs are from `longhorn-manager-xxx`, and the log inside Longhorn instance managers, e.g. `instance-manager-e-xxxx` and `instance-manager-r-xxxx`.
Since normally there are multiple Longhorn Manager running at the same time, we recommend using [kubetail](https://github.com/johanhaleby/kubetail) which is a great tool to keep track of the logs of multiple pods. You can use:
```