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RAC transition FAQ: Difference between revisions
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Allocations from the 2019 Resource Allocation Competition come into effect on 2019 April 4. | Allocations from the 2019 Resource Allocation Competition come into effect on 2019 April 4. | ||
Here are some notes on how we expect the transition from 2018 to 2019 allocations to go. | Here are some notes on how we expect the transition from 2018 to 2019 allocations to go. | ||
=== Storage === | === Storage === <!--T:2--> | ||
* There will be 30 days of overlap between 2018 and 2019 storage allocations, starting on 2019 April 4. | * There will be 30 days of overlap between 2018 and 2019 storage allocations, starting on 2019 April 4. | ||
* On a given system the largest of the two quotas (2018, 2019) will be adopted during the transition period. | * On a given system the largest of the two quotas (2018, 2019) will be adopted during the transition period. | ||
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* Reasonable requests for extension of the overlap period will be honored, but such an extension may be impossible or severely constrained if the original cluster is being defunded. | * Reasonable requests for extension of the overlap period will be honored, but such an extension may be impossible or severely constrained if the original cluster is being defunded. | ||
=== Job scheduling === | === Job scheduling === <!--T:3--> | ||
* The scheduler team is planning to archive and compact the Slurm database on April 3 before implementing the new allocations on April 4. We hope to schedule the archive and compaction during off-peak hours. During this time the database may be unresponsive. Specifically, <tt>sacct</tt> and <tt>sacctmgr</tt> may be unresponsive. | * The scheduler team is planning to archive and compact the Slurm database on April 3 before implementing the new allocations on April 4. We hope to schedule the archive and compaction during off-peak hours. During this time the database may be unresponsive. Specifically, <tt>sacct</tt> and <tt>sacctmgr</tt> may be unresponsive. | ||
* We expect to begin replacing 2018 allocations with 2019 allocations on April 4. | * We expect to begin replacing 2018 allocations with 2019 allocations on April 4. | ||