(Raghu's mail didn't go through to the list because he's accidentally not subscribed)
Thanks for your patience with netloc -- it's still early days with this stuff.
It *works* for us, but a) that doesn't necessarily mean it works for everyone yet (i.e., we haven't shaken out all the bugs / addressed all corner cases yet), and b) as Josh said, it's not yet terribly user-friendly.
On Dec 5, 2013, at 4:50 PM, Raghu <rajachan_at_[hidden]> wrote:
> Jeff, Josh,
> Thanks for the responses. I did stumble upon the other email on the
> devel list, and tried the steps you listed there. With that route
> though, the gather tool couldn't find any subnets with the hwloc xmls
> I had provided (exited after printing "Found 0 subnets in hwloc
> directory"). I will try to fiddle around a little more with the other
> method to see if I can get things to work.
> On Thu, Dec 5, 2013 at 2:28 PM, Joshua Hursey <jjhursey_at_[hidden]> wrote:
>> The probably is likely that the subnet has not been specified. The
>> netloc_reader_ib is not terribly user friendly at the moment. We have some
>> supporting tools that help make it easier to use. I highlighted the steps
>> for another user in the mail linked below:
>> Notice that it does not call netloc_reader_ib explicitly, it is wrapped up
>> as part of the netloc-ib-extract-dats script.
>> You will also need to install Jansson (if you have not already) as that is
>> how netloc is currently representing the data. It can be downloaded from:
>> I am currently working on some FAQs to hopefully help in the future. In the
>> mean time feel free to email us or directly to the users/devel mailing list.
>> On Thu, Dec 5, 2013 at 2:01 PM, Raghu <rajachan_at_[hidden]> wrote:
>>> Btw, I have a pretty standard installation -- ./configure
>>> On Thu, Dec 5, 2013 at 2:56 PM, Raghu <rajachan_at_[hidden]> wrote:
>>>> Hi Josh, Jeff,
>>>> I am trying out netloc (the master branch) on a small IB cluster
>>>> (which I have sudo access to). I got stuff built fine, but when I try
>>>> to generate the .ndat files, I am getting this:
>>>> Output Directory : /home/rajachan/netloc/install/bin/output/
>>>> Subnet : unknown
>>>> ibnetdiscover File : /home/rajachan/netloc/install/bin/ibnetdata
>>>> ibroutes Directory : None Specified
>>>> Status: Querying the ibnetdiscover data for subnet unknown...
>>>> Error: Invalid network type provided
>>>> Error: Failed to create a new data file
>>>> Here's how I am running the reader : ./netloc_reader_ib -o
>>>> /home/rajachan/netloc/install/bin/output/ -f
>>>> Do you guys see any glaring config mistake from my end?
>> Joshua Hursey
>> Assistant Professor of Computer Science
>> University of Wisconsin-La Crosse
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