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From "Carl Yeksigian (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-7838) Warn user when disks are network/ebs mounted
Date Sun, 14 Sep 2014 20:45:34 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-7838?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14133375#comment-14133375
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Carl Yeksigian commented on CASSANDRA-7838:
-------------------------------------------

It looks like the SIGAR library isn't rich enough to provide whether or not the storage is
some SAN or EBS. SIGAR only provides the storage type based on how the disk is formatted;
an EBS or SAN volume will be formatted as a normal drive would be, so we will incorrectly
label it as LOCAL_DISK. It will only catch cases such as an NFS or CIFS mount.

If we can find a different use for SIGAR, most of the setup work is done; I don't think we
should include this for the network check, though.

> Warn user when disks are network/ebs mounted
> --------------------------------------------
>
>                 Key: CASSANDRA-7838
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7838
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: T Jake Luciani
>            Priority: Minor
>              Labels: lhf
>             Fix For: 3.0
>
>
> The Sigar project let's you probe os/cpu/filesystems across the major platforms.
> https://github.com/hyperic/sigar
> It would be nice on start-up to use this to warn users if they are running with settings
that will make them sad, like Network drive or EBS on Ec2.



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