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Description of problem: Can not display serial number correctly when with wwn. Version-Release number of selected component (if applicable): Host: kernel: 3.10.0-382.el7.x86_64 qemu-kvm-rhev: qemu-kvm-rhev-2.5.0-4.el7.x86_64 Reproducible with qemu-kvm-rhev-2.3.0-31.el7_2.12.x86_64 Guest: kernel: 3.10.0-382.el7.x86_64 How reproducible: 100% Steps to Reproduce: 1.Start a VM by using following command: ... -device virtio-scsi-pci,id=scsi_pci_bus0 \ -drive file=/dev/sdb,format=qcow2,id=drive_sysdisk,if=none,cache=none,aio=native,werror=stop,rerror=stop \ -device scsi-hd,drive=drive_sysdisk,bus=scsi_pci_bus0.0,id=device_sysdisk,bootindex=0 \ -device virtio-scsi-pci,id=scsi_pci_bus1 \ -drive file=/home/scsi_test1/datadisk1.qcow2,format=qcow2,id=drive_datadisk1,if=none,cache=none,werror=stop,rerror=stop \ -device scsi-hd,drive=drive_datadisk1,bus=scsi_pci_bus1.0,id=device_datadisk1,wwn=0x345,serial=DATA_DISK_1 \ ... 2.Check serial number in guest: lsblk --output NAME,SERIAL,WWN Actual results: # lsblk --output NAME,SERIAL,WWN NAME SERIAL WWN sda drive_sysdisk ├─sda1 └─sda2 ├─rhel_dhcp--11--192-root └─rhel_dhcp--11--192-swap sdb 0000000000000345 0x0000000000000345 Expected results: # lsblk --output NAME,SERIAL,WWN NAME SERIAL WWN sda drive_sysdisk ├─sda1 └─sda2 ├─rhel_dhcp--11--192-root └─rhel_dhcp--11--192-swap sdb DATA_DISK_1 0x0000000000000345 Additional info:
Reassigning to udev. lsblk calls libudev for disk information. The cause is in udev, ID_WWN overrides ID_SERIAL if present, even ID_SCSI_SERIAL is there: # udevadm info -q all -n sdb P: /devices/pci0000:00/0000:00:04.0/virtio1/host2/target2:0:1/2:0:1:0/block/sdb N: sdb S: disk/by-id/scsi-300000000000abcde S: disk/by-id/wwn-0x00000000000abcde S: disk/by-path/pci-0000:00:04.0-scsi-0:0:1:0 E: DEVLINKS=/dev/disk/by-id/scsi-300000000000abcde /dev/disk/by-id/wwn-0x00000000000abcde /dev/disk/by-path/pci-0000:00:04.0-scsi-0:0:1:0 E: DEVNAME=/dev/sdb E: DEVPATH=/devices/pci0000:00/0000:00:04.0/virtio1/host2/target2:0:1/2:0:1:0/block/sdb E: DEVTYPE=disk E: ID_BUS=scsi E: ID_MODEL=QEMU_HARDDISK E: ID_MODEL_ENC=QEMU\x20HARDDISK\x20\x20\x20 E: ID_PATH=pci-0000:00:04.0-scsi-0:0:1:0 E: ID_PATH_TAG=pci-0000_00_04_0-scsi-0_0_1_0 E: ID_REVISION=2.5+ E: ID_SCSI=1 E: ID_SCSI_SERIAL=sd0 E: ID_SERIAL=300000000000abcde E: ID_SERIAL_SHORT=00000000000abcde E: ID_TYPE=disk E: ID_VENDOR=QEMU E: ID_VENDOR_ENC=QEMU\x20\x20\x20\x20 E: ID_WWN=0x00000000000abcde E: ID_WWN_WITH_EXTENSION=0x00000000000abcde E: MAJOR=8 E: MINOR=16 E: SUBSYSTEM=block E: TAGS=:systemd: E: USEC_INITIALIZED=49056
Any updates on this? We're hitting this issue when calling lsblk from our ZFS scripts: https://github.com/zfsonlinux/zfs/issues/6153
After evaluating this issue, there are no plans to address it further or fix it in an upcoming release. Therefore, it is being closed. If plans change such that this issue will be fixed in an upcoming release, then the bug can be reopened.