Comment on Mirror seeing half the write IOPS on one disk than the other, is this normal?
lightrush@lemmy.ca 2 months agoTurns out the on-CPU SATA controller isn’t available when the NVMe slot is used. 🫢 Swapped SATA ports, no diff. Put the low IOPS disk in a good USB 3 enclosure, hooked to an on-CPU USB controller. Now things are flipped:
capacity operations bandwidth pool alloc free read write read write ------------------------------------ ----- ----- ----- ----- ----- ----- storage-volume-backup 12.6T 3.74T 0 563 0 293M mirror-0 12.6T 3.74T 0 563 0 293M wwn-0x5000c500e8736faf - - 0 406 0 146M wwn-0x5000c500e8737337 - - 0 156 0 146M