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https://issues.apache.org/jira/browse/CLOUDSTACK-7527?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14172527#comment-14172527
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Rohit Yadav commented on CLOUDSTACK-7527:
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I'm not sure about the behaviour in case of a disk I/O error while syncing
mounted filesystems, will echo s > /proc/sysrq-trigger hang, or try and fail
quickly?
If it does not hang, it's a good idea to sync before echoing a "b" into sysrq
> XenServer heartbeat-script: make it reboot faster (when fencing)
> ----------------------------------------------------------------
>
> Key: CLOUDSTACK-7527
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-7527
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Components: XenServer
> Affects Versions: 4.3.0, 4.4.0
> Reporter: Remi Bergsma
> Assignee: Daan Hoogland
> Priority: Minor
>
> xenheartbeat.sh:
> I've seen the 'reboot' command hang, even though it has the force option
> specified (last line of the script). Wouldn't it be better to invoke it like
> this:
> echo b > /proc/sysrq-trigger
> Tested it, starts boot sequence immediately.
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