February 10, 20233 yr Scrutiny tells me that it's time to replace the 7 & 10-year old SSDs in my cache pool. Currently, I have one drive in an nvme slot and one that is a SATA drive. How are the two drives used? Is one drive treated as the primary and one as a secondary? Does it use both drives equally? I'm wondering if there's a performance gain from having only one drive as nvme, or if the SATA drive slows down the whole pool. If that's the case I may just get an nvme to SATA controller, use two SATA drives, and expand my capacity a bit.
February 10, 20233 yr Community Expert There is no -primary in a pool. If the drives have different performance, then the slowest drive becomes the limiting factor
February 10, 20233 yr Author Ok, thanks @itimpi. Probably no point in using an nvme drive unless I can use two then.
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