vi my_enclosures.conf

fwiw

Peter


On 2015 Jun 20 Sat, at 24:05, Allen, Benjamin S. <[email protected]> wrote:

>> One imagines that GNR uses the SCSI enclosure services to talk to the
>> shelves.
> 
> It does. It just isn't aware of SAS topologies outside of the supported 
> hardware configuration. As Sven mentioned the issue is mapping out which 
> drive is which, which enclosure is which, etc. That's not exactly trivial 
> todo in a completely dynamic way.
> 
> So while GNR can "talk" to the enclosures and disks, it just doesn't have any 
> built-in logic today to be aware of every SAS enclosure and topology.
> 
> Ben
> 
>> On Jun 19, 2015, at 10:15 AM, Jonathan Buzzard <[email protected]> 
>> wrote:
>> 
>> On Fri, 2015-06-19 at 10:56 -0400, Zachary Giles wrote:
>>> I think it's technically possible to run GNR on unsupported trays. You
>>> may have to do some fiddling with some of the scripts, and/or you wont
>>> get proper reporting.
>>> Of course it probably violates 100 licenses etc etc etc.
>>> I don't know of anyone who's done it yet. I'd like to do it.. I think
>>> it would be great to learn it deeper by doing this.
>>> 
>> 
>> One imagines that GNR uses the SCSI enclosure services to talk to the
>> shelves.
>> 
>> https://en.wikipedia.org/wiki/SCSI_Enclosure_Services
>> https://en.wikipedia.org/wiki/SES-2_Enclosure_Management
>> 
>> Which would suggest that anything that supported these would work.
>> 
>> I did some experimentation with a spare EXP810 shelf a few years ago on
>> a FC-AL on Linux. Kind all worked out the box. The other experiment with
>> an EXP100 didn't work so well; with the EXP100 it would only work with
>> the 250GB and 400GB drives that came with the dam thing. With the EXP810
>> I could screw random SATA drives into it and it all worked. My
>> investigations concluded that the firmware on the EXP100 shelf
>> determined if the drive was supported, but I could not work out how to
>> upload modified firmware to the shelf.
>> 
>> JAB.
>> 
>> -- 
>> Jonathan A. Buzzard                 Email: jonathan (at) buzzard.me.uk
>> Fife, United Kingdom.
>> 
>> 
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