[slurm-users] Slurm version 20.11.5 is now available

[Loris Bennett]

Brian Andrus <toomuchit at gmail.com> writes:

> The method I use for jobs is to make /scratch a symlink to where ever it may be
> best suited. Then all users just use /scratch
>
> eg: /scratch -> /dev/shm for a ramdisk or /scrach->/mnt/ssd for local ssd, etc

When do you create the symlink and how do you decide what link to
create?  Doesn't it depend on the job, e.g. whether scratch needs to be, say,
particularly large or particularly fast? 

> Brian Andrus
>
> On 3/19/2021 6:25 AM, Paul Edmon wrote:
>> I was about to ask this as well as we use /scratch as our tmp space not /tmp. 
>> I haven't kicked the tires on this to know how it works but after I take a
>> look at it I will probably file a feature request to make the name of the tmp
>> dir flexible.
>>
>> -Paul Edmon-
>>
>> On 3/19/2021 7:19 AM, Tina Friedrich wrote:
>>> That's excellent; I've been using the 'auto_tmpdir' plugin for this; having
>>> that functionality within SLURM will be good.
>>>
>>> Have a question though - we have a need to also create a per-job /scratch/
>>> (on a shared fast file system) in much the same way.
>>>
>>> I don't see a way that the currentl tmpfs plugin can be used to do that, as
>>> it would seem that it's hard-coded to mount things into /tmp/ (i.e. where to
>>> mount a file system can not be changed). Or am I misreading this?
>>>
>>> Tina
>>>
>>> On 16/03/2021 22:26, Tim Wickberg wrote:
>>>> One errant backspace snuck into that announcement: the job_container.conf
>>>> man page (with an 'r') serves as the initial documentation for this new
>>>> job_container/tmpfs plugin. The link to the HTML version of the man page has
>>>> been corrected in the text below:
>>>>
>>>> On 3/16/21 4:16 PM, Tim Wickberg wrote:
>>>>> We are pleased to announce the availability of Slurm version 20.11.5.
>>>>>
>>>>> This includes a number of moderate severity bug fixes, alongside a new
>>>>> job_container/tmpfs plugin developed by NERSC that can be used to create
>>>>> per-job filesystem namespaces.
>>>>>
>>>>> Initial documentation for this plugin is available at:
>>>>> https://slurm.schedmd.com/job_container.conf.html
>>>>> Slurm can be downloaded from https://www.schedmd.com/downloads.php .
>>>>>
>>>>> - Tim
>>>>>
>>>>
>>>
>>