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--- hpc:faq [2025/06/10 14:45] – [General] Adrien Albert
+++ hpc:faq [2025/09/01 07:39] (current) – Yann Sagon
@@ Line 89: / Line 89: @@
 </code>
+??? If multiple PIs jointly purchase computing resources on the Baobab cluster, who receives the invoice?
+!!! When several Principal Investigators (PIs) collaborate to acquire computing resources on the Baobab cluster, the invoice will be sent to the designated contact person of the group associated with the partition named private_xxx, where xxx is the name of the partition. This person acts as the reference for the group and is responsible for managing the billing and communication related to the shared resources.
+It is up to the PIs involved to agree among themselves on how the computing hours are distributed. The Baobab team does not manage internal allocations within shared purchases.
 ??? I'm a PI, I tried to use OpenXDmoD to see the past usage of my group without success
@@ Line 94: / Line 99: @@
-??? How can I check usage on more than one partition?
+??? With OpenXDmoD how can I check usage on more than one partition?
 !!! Unfortunately, it seems that you need to do this operation for each partition separately.
@@ Line 106: / Line 111: @@
-??? I'm organising a course and we need some HPC resources for the students. Do we have to pay for it?
+??? I'm organizing a course and we need some HPC resources for the students. Do we have to pay for it?
 !!! The Baobab service is free for courses as long as the usage is low and for a defined period of time. Check [[hpc:hpc_clusters#use_baobab_for_teaching|How our clusters work]].
@@ Line 125: / Line 130: @@
 !!!  * If you have a non student account (Phd, postdoc, researcher), your account will expire at the same time your contract expire at UNIGE. Right now, there is a grace period after the end of your contract of around 6 months.
   * If you have an outsider account, you need to check the expiration date you received when you filled the invitation.
-  * If you have an unige student account, you can check the expiration date with the ''chage'' command:
+  * If you have an UNIGE student account, you can check the expiration date with the ''chage'' command:
 <code>
 (baobab)-[yourusername@login2 ~]$ chage -l yourusername
@@ Line 138: / Line 143: @@
 ??? I'm leaving UNIGE, can I continue to use Baobab HPC service?
-!!! Yes it is possible as long as you collaborate tightly with your former research group. Your PI must [[https://gestion-externe.unige.ch/main/outsider-requests|invite]] you as [[hpc:access_the_hpc_clusters#outsider_account|outsider]]. For technical reason, your account needs to be expired  prior doing the request for the invitation.
+!!! For UNIGE or external members, please first refer to the guidelines about account expiration and the grace period: https://plone.unige.ch/distic/pub/isis/comment-fonctionne-isis#prolongations.
-We'll then reactivate your account. You'll keep your data.
+Please note that expired accounts are eligible for deletion at any time. We strongly recommend that you carefully prepare for your departure or contract extension.
+However, it is possible to extend your access as long as you maintain close collaboration with your former research group. Your PI must [[https://gestion-externe.unige.ch/main/outsider-requests|invite]] you as an [[hpc:access_the_hpc_clusters#outsider_account|outsider]].
+For technical reasons, your account must be expired before making the invitation request.
+Once the invitation is processed, we will reactivate your account, and you will retain access to your data.