Hello. I was have a faulted disk in my 148 disk ZFS pool and I replaced the disk with a new one but when I remove the disk from Jbod, Multipathd service failed somehow. The jbod attached via SAS LSI-3008 What is the problem with the daemon? How do I prevent this problem happen again? Faulted disk removed at: Mon Oct 22 11:30:32 2018 New disk inserted at: Mon Oct 22 11:30:40 2018 dmesg: [Mon Oct 22 11:30:32 2018] sd 10:0:58:0: [sdbg] Synchronizing SCSI cache [Mon Oct 22 11:30:32 2018] sd 10:0:58:0: [sdbg] Synchronize Cache(10) failed: Result: hostbyte=0x01 driverbyte=0x00 [Mon Oct 22 11:30:32 2018] mpt3sas_cm0: removing handle(0x0098), sas_addr(0x5000c5009537e0ad) [Mon Oct 22 11:30:32 2018] mpt3sas_cm0: removing : enclosure logical id(0x50030480092b8abf), slot(21) [Mon Oct 22 11:30:32 2018] mpt3sas_cm0: removing enclosure level(0x0001), connector name( ) [Mon Oct 22 11:30:32 2018] sd 10:0:135:0: [sdec] Synchronizing SCSI cache [Mon Oct 22 11:30:32 2018] sd 10:0:135:0: [sdec] Synchronize Cache(10) failed: Result: hostbyte=0x01 driverbyte=0x00 [Mon Oct 22 11:30:32 2018] mpt3sas_cm0: removing handle(0x0047), sas_addr(0x5000c5009537e0ae) [Mon Oct 22 11:30:32 2018] mpt3sas_cm0: removing : enclosure logical id(0x50030480092b8abf), slot(21) [Mon Oct 22 11:30:32 2018] mpt3sas_cm0: removing enclosure level(0x0001), connector name( ) [Mon Oct 22 11:30:33 2018] device-mapper: multipath: Failing path 128:64. [Mon Oct 22 11:30:33 2018] multipathd[5626]: segfault at 648 ip 00007f452e2dc9b9 sp 00007f452e69d960 error 4 in libmultipath.so.0[7f452e2a2000+4c000] Multipathd daemon log: -- Logs begin at Mon 2018-04-16 14:30:14 +03. -- Oct 22 11:30:33 YL-CTRL1 multipathd[5612]: sdbg: remove path (uevent) Oct 22 11:30:33 YL-CTRL1 multipathd[5612]: sdec: No SAS end device for 'end_device-10:5' Oct 22 11:30:33 YL-CTRL1 multipathd[5612]: 35000c5009537e0af: load table [0 15628053168 multipath 0 0 1 1 service-time 0 1 1 128:64 1 Oct 22 11:30:33 YL-CTRL1 multipathd[5612]: ] Oct 22 11:30:33 YL-CTRL1 multipathd[5612]: sdbg [67:160]: path removed from map 35000c5009537e0af Oct 22 11:30:34 YL-CTRL1 multipathd[5612]: 128:64: cannot find block device Oct 22 11:30:34 YL-CTRL1 multipathd[5612]: checker failed path 128:64 in map 35000c5009537e0af Oct 22 11:30:34 YL-CTRL1 multipathd[5612]: 35000c5009537e0af: remaining active paths: 0 Oct 22 11:30:34 YL-CTRL1 multipathd[5612]: 128:64: cannot find block device Oct 22 11:30:34 YL-CTRL1 multipathd[5612]: sdec: remove path (uevent) Oct 22 11:30:34 YL-CTRL1 multipathd[5612]: 35000c5009537e0af: map flushed Oct 22 11:30:34 YL-CTRL1 multipathd[5612]: 35000c5009537e0af: stop event checker thread (139935041709824) Oct 22 11:30:34 YL-CTRL1 multipathd[5612]: 35000c5009537e0af: removed map after removing all paths Oct 22 11:30:34 YL-CTRL1 multipathd[5612]: 35000c5009537e0af: adding map Oct 22 11:30:34 YL-CTRL1 multipathd[5612]: 35000c5009537e0af: devmap dm-44 added Oct 22 11:30:36 YL-CTRL1 systemd[1]: multipathd.service: Main process exited, code=killed, status=11/SEGV Oct 22 11:30:36 YL-CTRL1 systemd[1]: multipathd.service: Failed with result 'signal'. Full Dmesg: https://paste.ubuntu.com/p/DDbxBdVnKs/ Multipath Conf: defaults { user_friendly_names no path_grouping_policy failover } blacklist_exceptions { property "(ID_WWN|SCSI_IDENT_.*|ID_SERIAL)" } Versions: device-mapper 2.02.177-5 multipath-tools 0.7.6-1 kernel: 4.14.30-1-lts -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
