[dm-devel] Needing group_by_target/group_by_node_name

[Arthur Bergman]

On 19 Dec 2004, at 17:52, christophe varoqui wrote:

> Doesn't the box give usable serials on SCSI INQ ?
>
> The multipath tool already fetches that (you can see the values when
> debug is enabled), and proposes to group by these strings.
>
> I guess it could be useful to fetch the target node_name anyway.
>

All the 8 paths show with the same serial, so group_by_serial doesn't 
help.

>> I assume that once I done this all I need to do is write my own
>> priority finding program that looks these up and groups them into a
>> priority depending on the target node_name /
>>
> Might work too.

Except I find it really hard to walk from a sd* device name to a place 
in sys where I can get the node name.

>
>> Thanks for the work on this, we were able to add a second lun, add it
>> to our lvm group and then grow the filesystem on top of it without any
>> downtime!
>>
> So you owe me an entry in the TestedEnvironments page in the Wiki :)

Indeed.

Cheers
Arthur


-----
CTO @ Fotango Ltd
+447834716919
http://www.fotango.com/

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