January 2, 20242 yr Hello, looking for advice to properly set up my cache drives. I currently have a 1TB cache pool consisting of two drives operating in a Raid 1 (Both are 1TB Samsung 870 EVO's). Drive 1 has 40TB written, drive 2 has 35TB written. Drive 1 shows a reallocated sector count of 34, and uncorrectable error count of 5. Drive 2 has no issues listed in SMART. I have installed a new 1TB WD Red and my thought was to add it to the existing pool so that there would be three drives operating in a Raid 1 configuration. However, should this be the best approach and just wait for one of the 870's to die and know I still have redundancy in place? Or should I take out the current 870 drive with reallocated sectors and replace it with the WD Red entirely? Thanks for your thoughts.
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