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mdadm disks
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| $ cat /proc/mdstat | |
| Personalities : [raid1] [linear] [multipath] [raid0] [raid6] [raid5] [raid4] [raid10] | |
| md0 : active raid1 sdb1[1] | |
| 5860390464 blocks super 1.2 [2/1] [_U] | |
| bitmap: 1/44 pages [4KB], 65536KB chunk | |
| unused devices: <none> |
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| $ ls -l /dev/mapper | |
| total 0 | |
| crw------- 1 root root 10, 236 Feb 22 21:14 control |
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| $ sudo mdadm --stop /dev/md0 | |
| mdadm: Cannot get exclusive access to /dev/md0:Perhaps a running process, mounted filesystem or active volume group? | |
| $ dmesg | |
| [37419.937223] sd 12:0:0:0: rejecting I/O to offline device | |
| [37419.937237] sd 12:0:0:0: rejecting I/O to offline device | |
| [37419.937251] sd 12:0:0:0: rejecting I/O to offline device | |
| [37419.937264] sd 12:0:0:0: rejecting I/O to offline device | |
| [37419.937278] sd 12:0:0:0: rejecting I/O to offline device | |
| [37419.937292] sd 12:0:0:0: rejecting I/O to offline device | |
| [37419.937364] sd 12:0:0:0: rejecting I/O to offline device | |
| [37706.146863] md/raid1:md0: Disk failure on sda1, disabling device. | |
| md/raid1:md0: Operation continuing on 1 devices. | |
| [37873.085148] sda: sda1 | |
| [41300.959591] sd 12:0:0:0: rejecting I/O to offline device | |
| [41300.959620] sd 12:0:0:0: rejecting I/O to offline device | |
| [41300.959644] sd 12:0:0:0: rejecting I/O to offline device | |
| [41300.959680] sd 12:0:0:0: rejecting I/O to offline device |
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| $ sudo lsof | grep md0 | |
| lsof: WARNING: can't stat() fuse.gvfsd-fuse file system /run/user/121/gvfs | |
| Output information may be incomplete. | |
| lsof: WARNING: can't stat() fuse.gvfsd-fuse file system /run/user/1000/gvfs | |
| Output information may be incomplete. | |
| md0_raid1 336 root cwd DIR 259,3 4096 2 / | |
| md0_raid1 336 root rtd DIR 259,3 4096 2 / | |
| md0_raid1 336 root txt unknown /proc/336/exe | |
| jbd2/md0- 1088 root cwd DIR 259,3 4096 2 / | |
| jbd2/md0- 1088 root rtd DIR 259,3 4096 2 / | |
| jbd2/md0- 1088 root txt unknown /proc/1088/exe | |
| udisksd 1522 root 14r REG 0,21 4096 36641 /sys/devices/virtual/block/md0/md/sync_action | |
| udisksd 1522 root 15r REG 0,21 4096 36654 /sys/devices/virtual/block/md0/md/degraded | |
| gmain 1522 1538 root 14r REG 0,21 4096 36641 /sys/devices/virtual/block/md0/md/sync_action | |
| gmain 1522 1538 root 15r REG 0,21 4096 36654 /sys/devices/virtual/block/md0/md/degraded | |
| gdbus 1522 1557 root 14r REG 0,21 4096 36641 /sys/devices/virtual/block/md0/md/sync_action | |
| gdbus 1522 1557 root 15r REG 0,21 4096 36654 /sys/devices/virtual/block/md0/md/degraded | |
| probing-t 1522 1625 root 14r REG 0,21 4096 36641 /sys/devices/virtual/block/md0/md/sync_action | |
| probing-t 1522 1625 root 15r REG 0,21 4096 36654 /sys/devices/virtual/block/md0/md/degraded | |
| cleanup 1522 1695 root 14r REG 0,21 4096 36641 /sys/devices/virtual/block/md0/md/sync_action | |
| cleanup 1522 1695 root 15r REG 0,21 4096 36654 /sys/devices/virtual/block/md0/md/degraded | |
| pool 1522 17599 root 14r REG 0,21 4096 36641 /sys/devices/virtual/block/md0/md/sync_action | |
| pool 1522 17599 root 15r REG 0,21 4096 36654 /sys/devices/virtual/block/md0/md/degraded | |
| mount.ntf 3677 root 14r REG 0,21 4096 36641 /sys/devices/virtual/block/md0/md/sync_action | |
| mount.ntf 3677 root 15r REG 0,21 4096 36654 /sys/devices/virtual/block/md0/md/degraded | |
| mount.ntf 4829 root 14r REG 0,21 4096 36641 /sys/devices/virtual/block/md0/md/sync_action | |
| mount.ntf 4829 root 15r REG 0,21 4096 36654 /sys/devices/virtual/block/md0/md/degraded |
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| $ sudo mdadm -D /dev/md0 | |
| /dev/md0: | |
| Version : 1.2 | |
| Creation Time : Sat May 20 17:14:37 2017 | |
| Raid Level : raid1 | |
| Array Size : 5860390464 (5588.90 GiB 6001.04 GB) | |
| Used Dev Size : 5860390464 (5588.90 GiB 6001.04 GB) | |
| Raid Devices : 2 | |
| Total Devices : 1 | |
| Persistence : Superblock is persistent | |
| Intent Bitmap : Internal | |
| Update Time : Sat Feb 23 08:14:24 2019 | |
| State : clean, degraded | |
| Active Devices : 1 | |
| Working Devices : 1 | |
| Failed Devices : 0 | |
| Spare Devices : 0 | |
| Consistency Policy : bitmap | |
| Name : piper:0 | |
| UUID : 7912aedb:a632745c:841d4dfe:4d74af8d | |
| Events : 9374 | |
| Number Major Minor RaidDevice State | |
| - 0 0 0 removed | |
| 1 8 17 1 active sync /dev/sdb1 | |
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| $ mount | |
| sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime) | |
| proc on /proc type proc (rw,nosuid,nodev,noexec,relatime) | |
| udev on /dev type devtmpfs (rw,nosuid,relatime,size=16395972k,nr_inodes=4098993,mode=755) | |
| devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000) | |
| tmpfs on /run type tmpfs (rw,nosuid,noexec,relatime,size=3293348k,mode=755) | |
| /dev/nvme0n1p3 on / type ext4 (rw,noatime,errors=remount-ro) | |
| securityfs on /sys/kernel/security type securityfs (rw,nosuid,nodev,noexec,relatime) | |
| tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev) | |
| tmpfs on /run/lock type tmpfs (rw,nosuid,nodev,noexec,relatime,size=5120k) | |
| tmpfs on /sys/fs/cgroup type tmpfs (ro,nosuid,nodev,noexec,mode=755) | |
| cgroup2 on /sys/fs/cgroup/unified type cgroup2 (rw,nosuid,nodev,noexec,relatime,nsdelegate) | |
| cgroup on /sys/fs/cgroup/systemd type cgroup (rw,nosuid,nodev,noexec,relatime,xattr,name=systemd) | |
| pstore on /sys/fs/pstore type pstore (rw,nosuid,nodev,noexec,relatime) | |
| efivarfs on /sys/firmware/efi/efivars type efivarfs (rw,nosuid,nodev,noexec,relatime) | |
| bpf on /sys/fs/bpf type bpf (rw,nosuid,nodev,noexec,relatime,mode=700) | |
| cgroup on /sys/fs/cgroup/cpu,cpuacct type cgroup (rw,nosuid,nodev,noexec,relatime,cpu,cpuacct) | |
| cgroup on /sys/fs/cgroup/freezer type cgroup (rw,nosuid,nodev,noexec,relatime,freezer) | |
| cgroup on /sys/fs/cgroup/net_cls,net_prio type cgroup (rw,nosuid,nodev,noexec,relatime,net_cls,net_prio) | |
| cgroup on /sys/fs/cgroup/devices type cgroup (rw,nosuid,nodev,noexec,relatime,devices) | |
| cgroup on /sys/fs/cgroup/blkio type cgroup (rw,nosuid,nodev,noexec,relatime,blkio) | |
| cgroup on /sys/fs/cgroup/pids type cgroup (rw,nosuid,nodev,noexec,relatime,pids) | |
| cgroup on /sys/fs/cgroup/rdma type cgroup (rw,nosuid,nodev,noexec,relatime,rdma) | |
| cgroup on /sys/fs/cgroup/memory type cgroup (rw,nosuid,nodev,noexec,relatime,memory) | |
| cgroup on /sys/fs/cgroup/cpuset type cgroup (rw,nosuid,nodev,noexec,relatime,cpuset) | |
| cgroup on /sys/fs/cgroup/hugetlb type cgroup (rw,nosuid,nodev,noexec,relatime,hugetlb) | |
| cgroup on /sys/fs/cgroup/perf_event type cgroup (rw,nosuid,nodev,noexec,relatime,perf_event) | |
| systemd-1 on /proc/sys/fs/binfmt_misc type autofs (rw,relatime,fd=27,pgrp=1,timeout=0,minproto=5,maxproto=5,direct,pipe_ino=15145) | |
| hugetlbfs on /dev/hugepages type hugetlbfs (rw,relatime,pagesize=2M) | |
| debugfs on /sys/kernel/debug type debugfs (rw,relatime) | |
| mqueue on /dev/mqueue type mqueue (rw,relatime) | |
| fusectl on /sys/fs/fuse/connections type fusectl (rw,relatime) | |
| configfs on /sys/kernel/config type configfs (rw,relatime) | |
| /dev/nvme0n1p2 on /recovery type vfat (rw,relatime,fmask=0077,dmask=0077,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro) | |
| /dev/nvme0n1p1 on /boot/efi type vfat (rw,relatime,fmask=0077,dmask=0077,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro) | |
| tmpfs on /run/user/121 type tmpfs (rw,nosuid,nodev,relatime,size=3293344k,mode=700,uid=121,gid=127) | |
| gvfsd-fuse on /run/user/121/gvfs type fuse.gvfsd-fuse (rw,nosuid,nodev,relatime,user_id=121,group_id=127) | |
| tmpfs on /run/user/1000 type tmpfs (rw,nosuid,nodev,relatime,size=3293344k,mode=700,uid=1000,gid=1000) | |
| gvfsd-fuse on /run/user/1000/gvfs type fuse.gvfsd-fuse (rw,nosuid,nodev,relatime,user_id=1000,group_id=1000) | |
| /dev/sdd1 on /media/drewch/Drewch-HDD-2 type fuseblk (rw,nosuid,nodev,relatime,user_id=0,group_id=0,default_permissions,allow_other,blksize=4096,uhelper=udisks2) | |
| /dev/sde1 on /media/drewch/drewch-hdd-photography type fuseblk (rw,nosuid,nodev,relatime,user_id=0,group_id=0,default_permissions,allow_other,blksize=4096,uhelper=udisks2) |
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| $ ps -up 336 | |
| USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND | |
| root 336 0.0 0.0 0 0 ? S Feb22 0:05 [md0_raid1] | |
| $ ps -up 1088 | |
| USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND | |
| root 1088 0.0 0.0 0 0 ? S Feb22 0:00 [jbd2/md0-8] |
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