# lscss Device Subchan. DevType CU Type Use PIM PAM POM CHPIDs ---------------------------------------------------------------------- 0.0.0620 0.0.0000 1732/01 1731/01 yes 80 80 ff 44000000 00000000 0.0.0621 0.0.0001 1732/01 1731/01 yes 80 80 ff 44000000 00000000 0.0.0622 0.0.0002 1732/01 1731/01 yes 80 80 ff 44000000 00000000 0.0.4020 0.0.002c 3390/0c 3990/ec yes f0 f0 ff 01020506 00000000 0.0.4021 0.0.002d 3390/0c 3990/ec yes f0 f0 ff 01020506 00000000 0.0.a400 0.0.0044 1732/03 1731/03 yes 80 80 ff 15000000 00000000 0.0.a500 0.0.0046 1732/03 1731/03 yes 80 80 ff 16000000 00000000 # chzdev -e 0.0.4020 ECKD DASD 0.0.4020 already configured FBA DASD 0.0.4020 configure failed Error: Trying to configure ECKD DASD 0.0.4020 as FBA DASD # echo $? 5 # cat /proc/cmdline root=UUID=e3e5f3a2-eacc-415d-b2bd-77090120c747 crashkernel=2G-64G:256M,64G-:512M rd.lvm.lv=rhel_rdu-z16-l29/root rd.zfcp=0.0.a400,0x5005076810274e12,0x0000000000000000 rd.zfcp=0.0.a500 rd.zfcp=0.0.a400 rd.lvm.lv=rhel_rdu-z16-l29/swap cio_ignore=all,!condev prot_virt=1 # ls /etc/modprobe.d/|grep s390 # ls /etc/udev/rules.d/|grep 41- 41-cio-ignore.rules 41-dasd-eckd-0.0.4020.rules 41-dasd-eckd-0.0.4021.rules 41-dasd-fba-0.0.4020.rules 41-dasd-fba-0.0.4021.rules 41-qeth-0.0.0620.rules 41-zfcp-host-0.0.a400.rules 41-zfcp-host-0.0.a500.rules 41-zfcp-lun-0.0.a400:0x5005076810274e12:0x0000000000000000.rules 41-zfcp-lun-0.0.a500:0x5005076810274e12:0x0000000000000000.rules # cat /etc/udev/rules.d/41-dasd-eckd-0.0.4020.rules # cat /etc/udev/rules.d/41-dasd-eckd-0.0.4020.rules # Generated by chzdev ACTION=="add", SUBSYSTEM=="ccw", KERNEL=="0.0.4020", DRIVER=="dasd-eckd", GOTO="cfg_dasd_eckd_0.0.4020" ACTION=="add", SUBSYSTEM=="drivers", KERNEL=="dasd-eckd", TEST=="[ccw/0.0.4020]", GOTO="cfg_dasd_eckd_0.0.4020" GOTO="end_dasd_eckd_0.0.4020" LABEL="cfg_dasd_eckd_0.0.4020" # site_start_fb ATTR{[ccw/0.0.4020]online}="1" GOTO="end_dasd_eckd_0.0.4020" # site_end_fb LABEL="end_dasd_eckd_0.0.4020" # chzdev -e 0.0.4020 ECKD DASD 0.0.4020 already configured FBA DASD 0.0.4020 configure failed Error: Trying to configure ECKD DASD 0.0.4020 as FBA DASD # chzdev -d 0.0.4020 ECKD DASD 0.0.4020 deconfigured FBA DASD 0.0.4020 deconfigured # chzdev -e 0.0.4020 ECKD DASD 0.0.4020 configured # chzdev -d 0.0.4020 ECKD DASD 0.0.4020 deconfigured # chzdev -e 0.0.4020 ECKD DASD 0.0.4020 configured