Resource reservation

docs.it4i/general/resource-accounting.md

@@ -10,8 +10,8 @@ Starting with the 24<sup>th</sup> open access grant competition, the accounting
 1. [Karolina GPU][8a]
 1. [Karolina FAT][9a]
 
-The accounting runs whenever the nodes are allocated via the PBS Pro workload manager (the qsub command), regardless of whether
-the nodes are actually used for any calculation.
+The accounting runs whenever the nodes are allocated via the PBS Pro workload manager (the `qsub` command), regardless of whether
+the nodes are actually used for any calculation. The same rule applies for unspent [reservations][10a].
 
 ## Conversion Table
 
@@ -97,5 +97,6 @@ The `it4ifree` command is a part of the `it4i.portal.clients` package, located [
 [7a]: ../../karolina/compute-nodes/#compute-nodes-without-accelerators
 [8a]: ../../karolina/compute-nodes/#compute-nodes-with-a-gpu-accelerator
 [9a]: ../../karolina/compute-nodes/#data-analytics-compute-node
+[10a]: resource_allocation_and_job_execution/#Resource-Reservation
 
 [pypi]: https://pypi.python.org/pypi/it4i.portal.clients

docs.it4i/general/resource_allocation_and_job_execution.md

@@ -2,14 +2,19 @@
 
 To run a [job][1], computational resources for this particular job must be allocated. This is done via the [PBS Pro][b] job workload manager software, which distributes workloads across the supercomputer. Extensive information about PBS Pro can be found in the [PBS Pro User's Guide][2].
 
-## Resources Allocation Policy
+## Resource Allocation Policy
 
 Resources are allocated to the job in a fair-share fashion, subject to constraints set by the queue and resources available to the Project. [The Fair-share][3] ensures that individual users may consume approximately equal amount of resources per week. The resources are accessible via queues for queueing the jobs. The queues provide prioritized and exclusive access to the computational resources.
 
+### Resource Reservation
+
+You can request a reservation of a specific number, range, or type of computational resources at [support@it4i.cz][d].
+Note that unspent reserved node-hours count towards the total computational resources used.
+
 !!! note
     See the queue status for [Karolina][a] or [Barbora][c].
 
-Read more on the [Resources Allocation Policy][4] page.
+Read more on the [Resource Allocation Policy][4] page.
 
 ## Job Submission and Execution
 
@@ -45,3 +50,4 @@ Red more on the [Vnode Allocation][7] page.
 [a]: https://extranet.it4i.cz/rsweb/karolina/queues
 [b]: https://www.altair.com/pbs-works/
 [c]: https://extranet.it4i.cz/rsweb/barbora/queues
+[d]: mailto:support@it4i.cz