Ubuntu
mdadm package

  1. Bug #1731543
  2. Activity log

Activity log for bug #1731543

Date Who What changed Old value New value Message
2017-11-10 20:13:45 Scott Moser bug added bug
2017-11-10 20:25:44 Scott Moser description I've run a dist-upgrade on a system with mdadm installed: It hangs like this: Setting up python3-update-manager (1:16.04.10) ... Setting up ubuntu-release-upgrader-core (1:16.04.23) ... Setting up update-manager-core (1:16.04.10) ... Processing triggers for resolvconf (1.78ubuntu5) ... Processing triggers for systemd (229-4ubuntu21) ... Processing triggers for ureadahead (0.100.0-19) ... Processing triggers for initramfs-tools (0.122ubuntu8.9) ... update-initramfs: Generating /boot/initrd.img-4.4.0-98-generic W: mdadm: /etc/mdadm/mdadm.conf defines no arrays. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: mdadm 3.3-2ubuntu7.5 ProcVersionSignature: User Name 4.4.0-97.120-generic 4.4.87 Uname: Linux 4.4.0-97-generic ppc64le NonfreeKernelModules: zfs zunicode zcommon znvpair zavl ApportVersion: 2.20.1-0ubuntu2.10 Architecture: ppc64el Date: Fri Nov 10 20:08:36 2017 Lsusb: Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MDadmExamine.dev.sda: Error: command ['/sbin/mdadm', '-E', '/dev/sda'] failed with exit code 1: mdadm: cannot open /dev/sda: Permission denied MDadmExamine.dev.sdb: Error: command ['/sbin/mdadm', '-E', '/dev/sdb'] failed with exit code 1: mdadm: cannot open /dev/sdb: Permission denied MDadmExamine.dev.sdc: Error: command ['/sbin/mdadm', '-E', '/dev/sdc'] failed with exit code 1: mdadm: cannot open /dev/sdc: Permission denied MDadmExamine.dev.sdd: Error: command ['/sbin/mdadm', '-E', '/dev/sdd'] failed with exit code 1: mdadm: cannot open /dev/sdd: Permission denied MDadmExamine.dev.sde: Error: command ['/sbin/mdadm', '-E', '/dev/sde'] failed with exit code 1: mdadm: cannot open /dev/sde: Permission denied MDadmExamine.dev.sdf: Error: command ['/sbin/mdadm', '-E', '/dev/sdf'] failed with exit code 1: mdadm: cannot open /dev/sdf: Permission denied MDadmExamine.dev.sdg: Error: command ['/sbin/mdadm', '-E', '/dev/sdg'] failed with exit code 1: mdadm: cannot open /dev/sdg: Permission denied MDadmExamine.dev.sdh: Error: command ['/sbin/mdadm', '-E', '/dev/sdh'] failed with exit code 1: mdadm: cannot open /dev/sdh: Permission denied MDadmExamine.dev.sdi: Error: command ['/sbin/mdadm', '-E', '/dev/sdi'] failed with exit code 1: mdadm: cannot open /dev/sdi: Permission denied MDadmExamine.dev.sdj: Error: command ['/sbin/mdadm', '-E', '/dev/sdj'] failed with exit code 1: mdadm: cannot open /dev/sdj: Permission denied MDadmExamine.dev.sdk: Error: command ['/sbin/mdadm', '-E', '/dev/sdk'] failed with exit code 1: mdadm: cannot open /dev/sdk: Permission denied MDadmExamine.dev.sdl: Error: command ['/sbin/mdadm', '-E', '/dev/sdl'] failed with exit code 1: mdadm: cannot open /dev/sdl: Permission denied MDadmExamine.dev.sdm: Error: command ['/sbin/mdadm', '-E', '/dev/sdm'] failed with exit code 1: mdadm: cannot open /dev/sdm: Permission denied MDadmExamine.dev.sdn: Error: command ['/sbin/mdadm', '-E', '/dev/sdn'] failed with exit code 1: mdadm: cannot open /dev/sdn: Permission denied MDadmExamine.dev.sdo: Error: command ['/sbin/mdadm', '-E', '/dev/sdo'] failed with exit code 1: mdadm: cannot open /dev/sdo: Permission denied MDadmExamine.dev.sdp: Error: command ['/sbin/mdadm', '-E', '/dev/sdp'] failed with exit code 1: mdadm: cannot open /dev/sdp: Permission denied ProcEnviron: TERM=screen PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash ProcKernelCmdLine: root=/dev/mapper/mpath0-part2 ro console=hvc0 ProcLoadAvg: 1.02 0.63 0.27 1/2906 154130 ProcMDstat: Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10] unused devices: <none> ProcSwaps: Filename Type Size Used Priority /swap.img file 8388544 0 -1 ProcVersion: Linux version 4.4.0-97-generic (buildd@bos01-ppc64el-013) (gcc version 5.4.0 20160609 (User Name/IBM 5.4.0-6ubuntu1~16.04.4) ) #120-User Name SMP Tue Sep 19 17:26:02 UTC 2017 SourcePackage: mdadm UpgradeStatus: No upgrade log present (probably fresh install) cpu_cores: Number of cores present = 20 cpu_coreson: Number of cores online = 20 cpu_smt: SMT is off etc.blkid.tab: Error: [Errno 2] No such file or directory: '/etc/blkid.tab' I've run a dist-upgrade on a system with mdadm installed: It hangs like this: Setting up iproute2 (4.3.0-1ubuntu3.16.04.2) ... Setting up resolvconf (1.78ubuntu5) ... Setting up lshw (02.17-1.1ubuntu3.4) ... Setting up golang-1.6-src (1.6.2-0ubuntu5~16.04.4) ... Setting up golang-1.6-go (1.6.2-0ubuntu5~16.04.4) ... Setting up iptstate (2.2.5-1ubuntu0.1) ... Setting up mdadm (3.3-2ubuntu7.5) ... Installing new version of config file /etc/init.d/mdadm ... update-initramfs: deferring update (trigger activated) Generating grub configuration file ... Found linux image: /boot/vmlinux-4.4.0-98-generic Found initrd image: /boot/initrd.img-4.4.0-98-generic Found linux image: /boot/vmlinux-4.4.0-97-generic Found initrd image: /boot/initrd.img-4.4.0-97-generic Found linux image: /boot/vmlinux-4.4.0-96-generic Found initrd image: /boot/initrd.img-4.4.0-96-generic done update-rc.d: warning: start and stop actions are no longer supported; falling ba ck to defaults Setting up debootstrap (1.0.78+nmu1ubuntu1.5) ... Setting up python3-distupgrade (1:16.04.23) ... Setting up python3-update-manager (1:16.04.10) ... Setting up ubuntu-release-upgrader-core (1:16.04.23) ... Setting up update-manager-core (1:16.04.10) ... Processing triggers for resolvconf (1.78ubuntu5) ... Processing triggers for systemd (229-4ubuntu21) ... Processing triggers for ureadahead (0.100.0-19) ... Processing triggers for initramfs-tools (0.122ubuntu8.9) ... update-initramfs: Generating /boot/initrd.img-4.4.0-98-generic W: mdadm: /etc/mdadm/mdadm.conf defines no arrays. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: mdadm 3.3-2ubuntu7.5 ProcVersionSignature: User Name 4.4.0-97.120-generic 4.4.87 Uname: Linux 4.4.0-97-generic ppc64le NonfreeKernelModules: zfs zunicode zcommon znvpair zavl ApportVersion: 2.20.1-0ubuntu2.10 Architecture: ppc64el Date: Fri Nov 10 20:08:36 2017 Lsusb:  Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub  Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub  Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub  Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MDadmExamine.dev.sda: Error: command ['/sbin/mdadm', '-E', '/dev/sda'] failed with exit code 1: mdadm: cannot open /dev/sda: Permission denied MDadmExamine.dev.sdb: Error: command ['/sbin/mdadm', '-E', '/dev/sdb'] failed with exit code 1: mdadm: cannot open /dev/sdb: Permission denied MDadmExamine.dev.sdc: Error: command ['/sbin/mdadm', '-E', '/dev/sdc'] failed with exit code 1: mdadm: cannot open /dev/sdc: Permission denied MDadmExamine.dev.sdd: Error: command ['/sbin/mdadm', '-E', '/dev/sdd'] failed with exit code 1: mdadm: cannot open /dev/sdd: Permission denied MDadmExamine.dev.sde: Error: command ['/sbin/mdadm', '-E', '/dev/sde'] failed with exit code 1: mdadm: cannot open /dev/sde: Permission denied MDadmExamine.dev.sdf: Error: command ['/sbin/mdadm', '-E', '/dev/sdf'] failed with exit code 1: mdadm: cannot open /dev/sdf: Permission denied MDadmExamine.dev.sdg: Error: command ['/sbin/mdadm', '-E', '/dev/sdg'] failed with exit code 1: mdadm: cannot open /dev/sdg: Permission denied MDadmExamine.dev.sdh: Error: command ['/sbin/mdadm', '-E', '/dev/sdh'] failed with exit code 1: mdadm: cannot open /dev/sdh: Permission denied MDadmExamine.dev.sdi: Error: command ['/sbin/mdadm', '-E', '/dev/sdi'] failed with exit code 1: mdadm: cannot open /dev/sdi: Permission denied MDadmExamine.dev.sdj: Error: command ['/sbin/mdadm', '-E', '/dev/sdj'] failed with exit code 1: mdadm: cannot open /dev/sdj: Permission denied MDadmExamine.dev.sdk: Error: command ['/sbin/mdadm', '-E', '/dev/sdk'] failed with exit code 1: mdadm: cannot open /dev/sdk: Permission denied MDadmExamine.dev.sdl: Error: command ['/sbin/mdadm', '-E', '/dev/sdl'] failed with exit code 1: mdadm: cannot open /dev/sdl: Permission denied MDadmExamine.dev.sdm: Error: command ['/sbin/mdadm', '-E', '/dev/sdm'] failed with exit code 1: mdadm: cannot open /dev/sdm: Permission denied MDadmExamine.dev.sdn: Error: command ['/sbin/mdadm', '-E', '/dev/sdn'] failed with exit code 1: mdadm: cannot open /dev/sdn: Permission denied MDadmExamine.dev.sdo: Error: command ['/sbin/mdadm', '-E', '/dev/sdo'] failed with exit code 1: mdadm: cannot open /dev/sdo: Permission denied MDadmExamine.dev.sdp: Error: command ['/sbin/mdadm', '-E', '/dev/sdp'] failed with exit code 1: mdadm: cannot open /dev/sdp: Permission denied ProcEnviron:  TERM=screen  PATH=(custom, no user)  XDG_RUNTIME_DIR=<set>  LANG=en_US.UTF-8  SHELL=/bin/bash ProcKernelCmdLine: root=/dev/mapper/mpath0-part2 ro console=hvc0 ProcLoadAvg: 1.02 0.63 0.27 1/2906 154130 ProcMDstat:  Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10]  unused devices: <none> ProcSwaps:  Filename Type Size Used Priority  /swap.img file 8388544 0 -1 ProcVersion: Linux version 4.4.0-97-generic (buildd@bos01-ppc64el-013) (gcc version 5.4.0 20160609 (User Name/IBM 5.4.0-6ubuntu1~16.04.4) ) #120-User Name SMP Tue Sep 19 17:26:02 UTC 2017 SourcePackage: mdadm UpgradeStatus: No upgrade log present (probably fresh install) cpu_cores: Number of cores present = 20 cpu_coreson: Number of cores online = 20 cpu_smt: SMT is off etc.blkid.tab: Error: [Errno 2] No such file or directory: '/etc/blkid.tab'
2017-11-10 20:38:32 Scott Moser description I've run a dist-upgrade on a system with mdadm installed: It hangs like this: Setting up iproute2 (4.3.0-1ubuntu3.16.04.2) ... Setting up resolvconf (1.78ubuntu5) ... Setting up lshw (02.17-1.1ubuntu3.4) ... Setting up golang-1.6-src (1.6.2-0ubuntu5~16.04.4) ... Setting up golang-1.6-go (1.6.2-0ubuntu5~16.04.4) ... Setting up iptstate (2.2.5-1ubuntu0.1) ... Setting up mdadm (3.3-2ubuntu7.5) ... Installing new version of config file /etc/init.d/mdadm ... update-initramfs: deferring update (trigger activated) Generating grub configuration file ... Found linux image: /boot/vmlinux-4.4.0-98-generic Found initrd image: /boot/initrd.img-4.4.0-98-generic Found linux image: /boot/vmlinux-4.4.0-97-generic Found initrd image: /boot/initrd.img-4.4.0-97-generic Found linux image: /boot/vmlinux-4.4.0-96-generic Found initrd image: /boot/initrd.img-4.4.0-96-generic done update-rc.d: warning: start and stop actions are no longer supported; falling ba ck to defaults Setting up debootstrap (1.0.78+nmu1ubuntu1.5) ... Setting up python3-distupgrade (1:16.04.23) ... Setting up python3-update-manager (1:16.04.10) ... Setting up ubuntu-release-upgrader-core (1:16.04.23) ... Setting up update-manager-core (1:16.04.10) ... Processing triggers for resolvconf (1.78ubuntu5) ... Processing triggers for systemd (229-4ubuntu21) ... Processing triggers for ureadahead (0.100.0-19) ... Processing triggers for initramfs-tools (0.122ubuntu8.9) ... update-initramfs: Generating /boot/initrd.img-4.4.0-98-generic W: mdadm: /etc/mdadm/mdadm.conf defines no arrays. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: mdadm 3.3-2ubuntu7.5 ProcVersionSignature: User Name 4.4.0-97.120-generic 4.4.87 Uname: Linux 4.4.0-97-generic ppc64le NonfreeKernelModules: zfs zunicode zcommon znvpair zavl ApportVersion: 2.20.1-0ubuntu2.10 Architecture: ppc64el Date: Fri Nov 10 20:08:36 2017 Lsusb:  Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub  Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub  Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub  Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MDadmExamine.dev.sda: Error: command ['/sbin/mdadm', '-E', '/dev/sda'] failed with exit code 1: mdadm: cannot open /dev/sda: Permission denied MDadmExamine.dev.sdb: Error: command ['/sbin/mdadm', '-E', '/dev/sdb'] failed with exit code 1: mdadm: cannot open /dev/sdb: Permission denied MDadmExamine.dev.sdc: Error: command ['/sbin/mdadm', '-E', '/dev/sdc'] failed with exit code 1: mdadm: cannot open /dev/sdc: Permission denied MDadmExamine.dev.sdd: Error: command ['/sbin/mdadm', '-E', '/dev/sdd'] failed with exit code 1: mdadm: cannot open /dev/sdd: Permission denied MDadmExamine.dev.sde: Error: command ['/sbin/mdadm', '-E', '/dev/sde'] failed with exit code 1: mdadm: cannot open /dev/sde: Permission denied MDadmExamine.dev.sdf: Error: command ['/sbin/mdadm', '-E', '/dev/sdf'] failed with exit code 1: mdadm: cannot open /dev/sdf: Permission denied MDadmExamine.dev.sdg: Error: command ['/sbin/mdadm', '-E', '/dev/sdg'] failed with exit code 1: mdadm: cannot open /dev/sdg: Permission denied MDadmExamine.dev.sdh: Error: command ['/sbin/mdadm', '-E', '/dev/sdh'] failed with exit code 1: mdadm: cannot open /dev/sdh: Permission denied MDadmExamine.dev.sdi: Error: command ['/sbin/mdadm', '-E', '/dev/sdi'] failed with exit code 1: mdadm: cannot open /dev/sdi: Permission denied MDadmExamine.dev.sdj: Error: command ['/sbin/mdadm', '-E', '/dev/sdj'] failed with exit code 1: mdadm: cannot open /dev/sdj: Permission denied MDadmExamine.dev.sdk: Error: command ['/sbin/mdadm', '-E', '/dev/sdk'] failed with exit code 1: mdadm: cannot open /dev/sdk: Permission denied MDadmExamine.dev.sdl: Error: command ['/sbin/mdadm', '-E', '/dev/sdl'] failed with exit code 1: mdadm: cannot open /dev/sdl: Permission denied MDadmExamine.dev.sdm: Error: command ['/sbin/mdadm', '-E', '/dev/sdm'] failed with exit code 1: mdadm: cannot open /dev/sdm: Permission denied MDadmExamine.dev.sdn: Error: command ['/sbin/mdadm', '-E', '/dev/sdn'] failed with exit code 1: mdadm: cannot open /dev/sdn: Permission denied MDadmExamine.dev.sdo: Error: command ['/sbin/mdadm', '-E', '/dev/sdo'] failed with exit code 1: mdadm: cannot open /dev/sdo: Permission denied MDadmExamine.dev.sdp: Error: command ['/sbin/mdadm', '-E', '/dev/sdp'] failed with exit code 1: mdadm: cannot open /dev/sdp: Permission denied ProcEnviron:  TERM=screen  PATH=(custom, no user)  XDG_RUNTIME_DIR=<set>  LANG=en_US.UTF-8  SHELL=/bin/bash ProcKernelCmdLine: root=/dev/mapper/mpath0-part2 ro console=hvc0 ProcLoadAvg: 1.02 0.63 0.27 1/2906 154130 ProcMDstat:  Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10]  unused devices: <none> ProcSwaps:  Filename Type Size Used Priority  /swap.img file 8388544 0 -1 ProcVersion: Linux version 4.4.0-97-generic (buildd@bos01-ppc64el-013) (gcc version 5.4.0 20160609 (User Name/IBM 5.4.0-6ubuntu1~16.04.4) ) #120-User Name SMP Tue Sep 19 17:26:02 UTC 2017 SourcePackage: mdadm UpgradeStatus: No upgrade log present (probably fresh install) cpu_cores: Number of cores present = 20 cpu_coreson: Number of cores online = 20 cpu_smt: SMT is off etc.blkid.tab: Error: [Errno 2] No such file or directory: '/etc/blkid.tab' I've run a dist-upgrade on a system with mdadm installed. This system does not have any md used. It hangs like this: Setting up iproute2 (4.3.0-1ubuntu3.16.04.2) ... Setting up resolvconf (1.78ubuntu5) ... Setting up lshw (02.17-1.1ubuntu3.4) ... Setting up golang-1.6-src (1.6.2-0ubuntu5~16.04.4) ... Setting up golang-1.6-go (1.6.2-0ubuntu5~16.04.4) ... Setting up iptstate (2.2.5-1ubuntu0.1) ... Setting up mdadm (3.3-2ubuntu7.5) ... Installing new version of config file /etc/init.d/mdadm ... update-initramfs: deferring update (trigger activated) Generating grub configuration file ... Found linux image: /boot/vmlinux-4.4.0-98-generic Found initrd image: /boot/initrd.img-4.4.0-98-generic Found linux image: /boot/vmlinux-4.4.0-97-generic Found initrd image: /boot/initrd.img-4.4.0-97-generic Found linux image: /boot/vmlinux-4.4.0-96-generic Found initrd image: /boot/initrd.img-4.4.0-96-generic done update-rc.d: warning: start and stop actions are no longer supported; falling ba ck to defaults Setting up debootstrap (1.0.78+nmu1ubuntu1.5) ... Setting up python3-distupgrade (1:16.04.23) ... Setting up python3-update-manager (1:16.04.10) ... Setting up ubuntu-release-upgrader-core (1:16.04.23) ... Setting up update-manager-core (1:16.04.10) ... Processing triggers for resolvconf (1.78ubuntu5) ... Processing triggers for systemd (229-4ubuntu21) ... Processing triggers for ureadahead (0.100.0-19) ... Processing triggers for initramfs-tools (0.122ubuntu8.9) ... update-initramfs: Generating /boot/initrd.img-4.4.0-98-generic W: mdadm: /etc/mdadm/mdadm.conf defines no arrays. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: mdadm 3.3-2ubuntu7.5 ProcVersionSignature: User Name 4.4.0-97.120-generic 4.4.87 Uname: Linux 4.4.0-97-generic ppc64le NonfreeKernelModules: zfs zunicode zcommon znvpair zavl ApportVersion: 2.20.1-0ubuntu2.10 Architecture: ppc64el Date: Fri Nov 10 20:08:36 2017 Lsusb:  Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub  Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub  Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub  Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MDadmExamine.dev.sda: Error: command ['/sbin/mdadm', '-E', '/dev/sda'] failed with exit code 1: mdadm: cannot open /dev/sda: Permission denied MDadmExamine.dev.sdb: Error: command ['/sbin/mdadm', '-E', '/dev/sdb'] failed with exit code 1: mdadm: cannot open /dev/sdb: Permission denied MDadmExamine.dev.sdc: Error: command ['/sbin/mdadm', '-E', '/dev/sdc'] failed with exit code 1: mdadm: cannot open /dev/sdc: Permission denied MDadmExamine.dev.sdd: Error: command ['/sbin/mdadm', '-E', '/dev/sdd'] failed with exit code 1: mdadm: cannot open /dev/sdd: Permission denied MDadmExamine.dev.sde: Error: command ['/sbin/mdadm', '-E', '/dev/sde'] failed with exit code 1: mdadm: cannot open /dev/sde: Permission denied MDadmExamine.dev.sdf: Error: command ['/sbin/mdadm', '-E', '/dev/sdf'] failed with exit code 1: mdadm: cannot open /dev/sdf: Permission denied MDadmExamine.dev.sdg: Error: command ['/sbin/mdadm', '-E', '/dev/sdg'] failed with exit code 1: mdadm: cannot open /dev/sdg: Permission denied MDadmExamine.dev.sdh: Error: command ['/sbin/mdadm', '-E', '/dev/sdh'] failed with exit code 1: mdadm: cannot open /dev/sdh: Permission denied MDadmExamine.dev.sdi: Error: command ['/sbin/mdadm', '-E', '/dev/sdi'] failed with exit code 1: mdadm: cannot open /dev/sdi: Permission denied MDadmExamine.dev.sdj: Error: command ['/sbin/mdadm', '-E', '/dev/sdj'] failed with exit code 1: mdadm: cannot open /dev/sdj: Permission denied MDadmExamine.dev.sdk: Error: command ['/sbin/mdadm', '-E', '/dev/sdk'] failed with exit code 1: mdadm: cannot open /dev/sdk: Permission denied MDadmExamine.dev.sdl: Error: command ['/sbin/mdadm', '-E', '/dev/sdl'] failed with exit code 1: mdadm: cannot open /dev/sdl: Permission denied MDadmExamine.dev.sdm: Error: command ['/sbin/mdadm', '-E', '/dev/sdm'] failed with exit code 1: mdadm: cannot open /dev/sdm: Permission denied MDadmExamine.dev.sdn: Error: command ['/sbin/mdadm', '-E', '/dev/sdn'] failed with exit code 1: mdadm: cannot open /dev/sdn: Permission denied MDadmExamine.dev.sdo: Error: command ['/sbin/mdadm', '-E', '/dev/sdo'] failed with exit code 1: mdadm: cannot open /dev/sdo: Permission denied MDadmExamine.dev.sdp: Error: command ['/sbin/mdadm', '-E', '/dev/sdp'] failed with exit code 1: mdadm: cannot open /dev/sdp: Permission denied ProcEnviron:  TERM=screen  PATH=(custom, no user)  XDG_RUNTIME_DIR=<set>  LANG=en_US.UTF-8  SHELL=/bin/bash ProcKernelCmdLine: root=/dev/mapper/mpath0-part2 ro console=hvc0 ProcLoadAvg: 1.02 0.63 0.27 1/2906 154130 ProcMDstat:  Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10]  unused devices: <none> ProcSwaps:  Filename Type Size Used Priority  /swap.img file 8388544 0 -1 ProcVersion: Linux version 4.4.0-97-generic (buildd@bos01-ppc64el-013) (gcc version 5.4.0 20160609 (User Name/IBM 5.4.0-6ubuntu1~16.04.4) ) #120-User Name SMP Tue Sep 19 17:26:02 UTC 2017 SourcePackage: mdadm UpgradeStatus: No upgrade log present (probably fresh install) cpu_cores: Number of cores present = 20 cpu_coreson: Number of cores online = 20 cpu_smt: SMT is off etc.blkid.tab: Error: [Errno 2] No such file or directory: '/etc/blkid.tab'