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https://issues.apache.org/jira/browse/TC-262?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16115637#comment-16115637
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ASF GitHub Bot commented on TC-262:
-----------------------------------

Github user asfgit commented on the issue:

    https://github.com/apache/incubator-trafficcontrol/pull/497
  
    Can one of the admins verify this patch?


> Merge https://github.com/apache/incubator-trafficcontrol/pull/497 into next 
> release
> -----------------------------------------------------------------------------------
>
>                 Key: TC-262
>                 URL: https://issues.apache.org/jira/browse/TC-262
>             Project: Traffic Control
>          Issue Type: Improvement
>          Components: Traffic Ops
>            Reporter: John Schmerge
>            Priority: Minor
>
> This patch adds three new parameters to control/configure the seed
> strings for the consistent hash used for cachekey->drive mapping in
> ATS... This allows an arbitrary string to be assigned as the key for
> drives instead of relying on the OS's device node name as the seed for
> the hash. The three parameters added are:
> Drive_Hash_Id
> RAM_Drive_Hash_Id
> SSD_Drive_Hash_Id
> And they specify the id keys for spinning, ram, and ssd devices.
> If this parameter is missing from the TO config for a server, the
> generated file ommits any specification of the id parameter (preserving
> the previous file generation behavior).
> Also note that the csv id strings for these three new parameters should
> order their entries to match the order of the Drive_Letters parameter.



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