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Known issues/en: Difference between revisions
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= Intro = | |||
* Please report issues to [mailto:support@computecanada.ca support@computecanada.ca] | * Please report issues to [mailto:support@computecanada.ca support@computecanada.ca] | ||
= Shared issues = | |||
* The status page at http://status.computecanada.ca/ is not updated automatically yet, so does not necessarily show correct, current status. | * The status page at http://status.computecanada.ca/ is not updated automatically yet, so does not necessarily show correct, current status. | ||
== Scheduler errors == | |||
* The CC slurm configuration preferentially encourages whole-node jobs. Users should if possible request whole-nodes rather than per-core resources. See [[Job_scheduling_policies#Whole_nodes_versus_cores;|Job Scheduling - Whole Node Scheduling]] ([[User:Pjmann|Patrick Mann]] 20:15, 17 July 2017 (UTC)) | * The CC slurm configuration preferentially encourages whole-node jobs. Users should if possible request whole-nodes rather than per-core resources. See [[Job_scheduling_policies#Whole_nodes_versus_cores;|Job Scheduling - Whole Node Scheduling]] ([[User:Pjmann|Patrick Mann]] 20:15, 17 July 2017 (UTC)) | ||
** Cpu and Gpu backfill partitions have been created on both clusters. If a job is submitted with <24hr runtime, it will be automatically entered into the cluster-wide backfill partition. This partition has a low priority, but will allow increased utilization of the cluster by serial jobs. ([[User:Nathanw|Nathan Wielenga]]) | ** Cpu and Gpu backfill partitions have been created on both clusters. If a job is submitted with <24hr runtime, it will be automatically entered into the cluster-wide backfill partition. This partition has a low priority, but will allow increased utilization of the cluster by serial jobs. ([[User:Nathanw|Nathan Wielenga]]) | ||
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** Should be resolved after a VHD migration to a new backend for slurmctl. (NW) | ** Should be resolved after a VHD migration to a new backend for slurmctl. (NW) | ||
== Quota and filesystem problems == | |||
=== Quota errors on /project filesystem === | |||
Sometimes, users will see quota error on their project folders. This is because the group that owns the files is not the project group. You can change the group which owns files using the command | Sometimes, users will see quota error on their project folders. This is because the group that owns the files is not the project group. You can change the group which owns files using the command | ||
{{Command|chgrp -R <group> <folder>}} | {{Command|chgrp -R <group> <folder>}} | ||
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Only the owner of the files can run the <tt>chgrp</tt> command. To ask us to correct the group owner for many users, write to support@computecanada.ca | Only the owner of the files can run the <tt>chgrp</tt> command. To ask us to correct the group owner for many users, write to support@computecanada.ca | ||
=== Nearline === | |||
* "Nearline" capabilities are not yet available (see https://docs.computecanada.ca/wiki/National_Data_Cyberinfrastructure for a brief description of the intended functionality) | * "Nearline" capabilities are not yet available (see https://docs.computecanada.ca/wiki/National_Data_Cyberinfrastructure for a brief description of the intended functionality) | ||
** Update July 17: still not working. If you need your nearline RAC2017 quota then please ask [mailto:support@computecanada.ca CC support]. ([[User:Pjmann|Patrick Mann]] 20:45, 17 July 2017 (UTC)) | ** Update July 17: still not working. If you need your nearline RAC2017 quota then please ask [mailto:support@computecanada.ca CC support]. ([[User:Pjmann|Patrick Mann]] 20:45, 17 July 2017 (UTC)) | ||
= Cedar only = | |||
* | * none | ||
= Graham only = | |||
* Custom file ACLs do not work on /home | * Custom file ACLs do not work on /home | ||
** Solution/workaround: use the /project or /scratch filesystems instead | ** Solution/workaround: use the /project or /scratch filesystems instead | ||
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** Solution: Request exceptions to be made at support@computecanada.ca Describe what you need to access and why. | ** Solution: Request exceptions to be made at support@computecanada.ca Describe what you need to access and why. | ||
= Other issues = | |||