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oph:cluster:contrib

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oph:cluster:contrib [2023/05/05 14:00] – creata - proposta iniziale diego.zuccato@unibo.itoph:cluster:contrib [2023/05/05 14:04] (versione attuale) diego.zuccato@unibo.it
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   * **Shared-use nodes**: everybody can submit jobs that will run on the new nodes; contributor increases fair-share quota for the afference sector   * **Shared-use nodes**: everybody can submit jobs that will run on the new nodes; contributor increases fair-share quota for the afference sector
   * **Exclusive-use nodes**: only the users identified by the contributor will be able to submit jobs on the new nodes __till the end of the project__; when the project terminates, nodes become shared-use but fair-share quota is not changed   * **Exclusive-use nodes**: only the users identified by the contributor will be able to submit jobs on the new nodes __till the end of the project__; when the project terminates, nodes become shared-use but fair-share quota is not changed
-  * **Shared-use storage**: For every 12TB-disk (11TiB) worth, the contributor gets ~4.3TiB **MULT=4320** ((12000GB * 0.5 (2 replicas) * 90% (10% is "OPH quota") * 4/5 (RAID5 of 4+1 disks) )) net space reserved in /scratch/contributor/ ; for technical reasons disks must be added in multiples of 10 (2 replicas of 5 disks in RAID5)+  * **Shared-use storage**: For every 12TB-disk (11TiB) worth, the contributor gets ~4.3TiB ((12000GB * 0.5 (2 replicas) * 90% (10% is "OPH quota") * 4/5 (RAID5 of 4+1 disks) )) net space reserved in /scratch/contributor/ ; for technical reasons disks must be added in multiples of 10 (2 replicas of 5 disks in RAID5)
   * **Exclusive-use storage**: Contributor must acquire a suitable set of servers (multiple of 3) and enough disks to configure a dedicate volume; once the project ends, the volume is removed and space is reallocated to equally increase the quota of all sectors   * **Exclusive-use storage**: Contributor must acquire a suitable set of servers (multiple of 3) and enough disks to configure a dedicate volume; once the project ends, the volume is removed and space is reallocated to equally increase the quota of all sectors
oph/cluster/contrib.1683295224.txt.gz · Ultima modifica: 2023/05/05 14:00 da diego.zuccato@unibo.it

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