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# harvestera
adamant-kite-43734
12/07/2023, 11:34 AMThis message was deleted.
b
bored-painting-68221
12/07/2023, 3:06 PMYou can go to Advanced > Storage Classes > Create
And set the "Number Of Replicas" to "1"
bored-painting-68221
12/07/2023, 3:06 PMthen use this storage class when creating VM images, virtual machines, etc.
q
quick-action-41852
12/07/2023, 4:37 PMthanks @bored-painting-68221! But in that case, is there any risks regarding the default deployed helm chart ? I mean I can destroy/recreate the existing deployment for harvester-longhorn storage classe, but I would not mess the core system of harvester ?
quick-action-41852
12/07/2023, 4:39 PMMoreover, This way I can fine-tune dedicated CPUs as the config script allows to. It's a pain to fully re-install a node because I want to change such kind of configuration parameters !
b
bored-painting-68221
12/07/2023, 4:43 PMI think the usual recommendations are to not modify the Longhorn deployment that ships with Harvester and instead to create a different storage class as described above
bored-painting-68221
12/07/2023, 4:44 PMthough it does not offer that degree of customization