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From "Hitesh Shah (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-1256) Host registration can fail due to mount point info not fitting ambari.hosts::disks_info column
Date Fri, 25 Jan 2013 22:31:13 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-1256?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13563107#comment-13563107
] 

Hitesh Shah commented on AMBARI-1256:
-------------------------------------

Should a version be stored in the DB for handling future upgrades where 1.2.0 could be upgraded
to 1.2.5 or 1.3.0 - allowing relevant upgrade scripts to be applied as needed via detection
of the version info in the DB?
                
> Host registration can fail due to mount point info not fitting ambari.hosts::disks_info
column
> ----------------------------------------------------------------------------------------------
>
>                 Key: AMBARI-1256
>                 URL: https://issues.apache.org/jira/browse/AMBARI-1256
>             Project: Ambari
>          Issue Type: Bug
>    Affects Versions: 1.2.0
>            Reporter: Sumit Mohanty
>            Assignee: Sumit Mohanty
>            Priority: Critical
>             Fix For: 1.2.1
>
>         Attachments: Ambari-upgrade-1256-II.patch, Ambari-upgrade-1256.patch
>
>
> Currently disks_info column is 2000 characters long.
> For one of the users, this was not big enough to fit all the mount points detected (they
had 40+ mount points on their hosts).
> We made this disks_info column size to be 10000 to workaround this issue.
> Ensure that upgrade supports performing schema alteration on an existing installation.

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