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# harvestera
adamant-kite-43734
12/15/2022, 1:03 AMThis message was deleted.
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acoustic-addition-45641
12/15/2022, 3:02 PMFrom my own personal experience with Dell R740XDs with RAID management, I would recommend installing to an SSD instead of USB. The underlying Rancher etcd shared database will thank you for it from a performance perspective. You can add the other SSDs as VM disks individually.
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salmon-city-57654
12/15/2022, 3:12 PMGood point, it recommends installing the better performance device for the etcd. That would be more stable and prevent some timeout issues.
salmon-city-57654
12/15/2022, 4:03 PMAlso, about the raid question. If you use a hardware raid card, the harvester could use the raid volume as a storage (replica) target exported from the raid card. Raid is not always a correct answer. You may check your scenario and then choose the raid or single disk.
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colossal-fireman-93227
12/15/2022, 4:08 PMOk thank you all. I wasnt sure how Harvester preffered to address the underlying storage. Leaning on past experiences with similar solutions, the preference was to not setup a hardware raid, install hypervisor software to a flash disk (as hypervisor lives in memory upon boot) and let the hyervisor have direct access to all individual disks. Couldnt find any clarity on how Harvester preferred to handle server disks
colossal-fireman-93227
12/15/2022, 4:10 PMSo if i forgo setting up a HW RAID and leave all 8 phsical SSDs exposed to Harvester, im hearing I should install harvester directly to one of these 8 disks?
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acoustic-addition-45641
12/15/2022, 4:11 PMCorrect.
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salmon-city-57654
12/15/2022, 4:19 PMFor multiple disk management, you can refer to this
https://docs.harvesterhci.io/v1.1/host/#multi-disk-management
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