multipath device paths failing repeatedly on RHEL 8.6 servers

Solution Verified - Updated -

Issue

  • multipath device paths were failing repeatedly with following errors:

    kernel: sd 1:0:0:13: [sdo] tag#673 FAILED Result: hostbyte=DID_ERROR driverbyte=DRIVER_OK cmd_age=0s
    kernel: sd 1:0:0:13: [sdo] tag#673 CDB: Read(10) 28 00 00 d6 f9 00 00 01 00 00
    kernel: blk_update_request: I/O error, dev sdo, sector 14088448 op 0x0:(READ) flags 0x4200 phys_seg 33 prio class 0
    kernel: sd 1:0:0:9: [sdk] tag#674 FAILED Result: hostbyte=DID_ERROR driverbyte=DRIVER_OK cmd_age=0s
    kernel: sd 1:0:0:9: [sdk] tag#674 CDB: Read(10) 28 00 00 d6 eb 00 00 01 00 00
    kernel: blk_update_request: I/O error, dev sdk, sector 14084864 op 0x0:(READ) flags 0x4200 phys_seg 33 prio class 0
    kernel: device-mapper: multipath: 253:24: Failing path 8:224.
    multipathd[1607]: sdk: mark as failed
    multipathd[1607]: mpatha: remaining active paths: 3
    [...]
    

Environment

  • Red Hat Enterprise Linux 8.6
  • FCoE (Fibre Channel over Ethernet)
  • QLogic BCM57810 FCoE adapters
  • Cisco ACI (Application Centric Infrastructure)

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