[Swift-user] Block task failed: Connection to worker lost

[Ozik, Jonathan]

Mihael,

See my responses below.

Jonathan

> On Dec 5, 2014, at 1:18 PM, Mihael Hategan <hategan at mcs.anl.gov> wrote:
> 
> On Fri, 2014-12-05 at 10:37 -0600, Ozik, Jonathan wrote:
>> Mihael, 
>> 
>> 
>> Thanks. Is there a document that explains the details of each of the
>> staging options?
> 
> http://swift-lang.org/guides/trunk/userguide/userguide.html#table-staging-methods
Yes I did see the Swift Staging Methods table. Because I didn’t see any reference to the “direct” staging I was wondering if I’d missed any other document that was out there. But I’m guessing this means no.

> 
>> 
>> 
>> As reference, when I tried to use the wrapper or swift staging or
>> omitted the staging specifier I got errors. The direct, local, and
>> shared-fs staging didn’t throw errors. For the swift staging I got the
>> error:
> 
> [...]
>> Caused by: Could not find a suitable service/provider for host
>> midway_debug
> 
> Right. For swift staging you need to specify a filesystem type that
> swift will use to do the actual copying between the swift side and
> wherever the jobs are submitted to. This is the legacy way of dealing
> with data in swift.
> 
> "Wrapper" you might not want to use. We are still working on the finer
> details of that.
So for now, for running on a shared file system resource like Midway I should focus on local, direct or shared-fs staging?

> 
> Mihael
>