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    • https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Host_lun_IO_errors_and_wafl_low_memory
      LUNs are online and mapped, but the host experiences I/O errors. Messages from the host: Mar 16 00:44:13 linux kernel: [2634397.672285] blk_update_request: I/O error, dev sddm, sector 106981280 Mar 16...LUNs are online and mapped, but the host experiences I/O errors. Messages from the host: Mar 16 00:44:13 linux kernel: [2634397.672285] blk_update_request: I/O error, dev sddm, sector 106981280 Mar 16 00:44:13 linux kernel: [2634397.672469] sd 7:0:1:19: [sddm] tag#72 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK EMS events on NetApp: Mon Mar 16 00:10:11 UTC [NetApp: wafl_exempt02: wafl.memory.statusVeryLowMemory:alert]: WAFL is running very low on memory, with 795MB remaining.