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From "Vinod Kone (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (MESOS-699) Slaves with RO filesystem shouldn't launch tasks requesting disk
Date Mon, 06 Apr 2015 19:02:12 GMT

     [ https://issues.apache.org/jira/browse/MESOS-699?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vinod Kone resolved MESOS-699.
------------------------------
    Resolution: Fixed

Slave checkpointing is enabled by default now. If the work directory has RO file system the
slave itself will flap before it can offer resources and run tasks.

> Slaves with RO filesystem shouldn't launch tasks requesting disk
> ----------------------------------------------------------------
>
>                 Key: MESOS-699
>                 URL: https://issues.apache.org/jira/browse/MESOS-699
>             Project: Mesos
>          Issue Type: Bug
>            Reporter: Joe Smith
>            Priority: Minor
>
> At Twitter, we had a few slave with errors in its hard drive, yet it still sent resource
offers. Unfortunately, when tasks attempted to start up, the executor failed when writing
its sandbox, as the disk was RO:
> {code}
> IOError: [Errno 30] Read-only file system
> {code}
> It'd be awesome if the slave could detect that and not launch tasks that request disk.



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