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lsblk命令详解

  lsblk命令用来查看block设备的信息.
  主要应用场景: 获取wwnid,获取块设备列表,获取块设备类型(ssd,hdd),获取块设备的size等信息.
  数据来源: /sys/dev/block
  返回码: 0: success 1: failure 32: 找不到所有指定设备 64: 一些设备找到了,一些设备没找到
  类似的命令: findmnt , blkid, ls
  帮助信息:    ~ lsblk --help  Usage:  lsblk [options] [ ...]  List information about block devices.  选项:  -a, --all            print all devices  -b, --bytes          print SIZE in bytes rather than in human readable format  -d, --nodeps         don"t print slaves or holders  -D, --discard        print discard capabilities  -e, --exclude  exclude devices by major number (default: RAM disks)  -f, --fs             output info about filesystems  -i, --ascii          use ascii characters only  -I, --include  show only devices with specified major numbers  -J, --json           use JSON output format  -l, --list           use list format output  -m, --perms          output info about permissions  -n, --noheadings     don"t print headings  -o, --output   output columns  -O, --output-all     output all columns  -p, --paths          print complete device path  -P, --pairs          use key="value" output format  -r, --raw            use raw output format  -s, --inverse        inverse dependencies  -S, --scsi           output info about SCSI devices  -t, --topology       output info about topology  -x, --sort   sort output by    -h, --help     display this help and exit  -V, --version  output version information and exit  Available columns (for --output):         NAME  device name        KNAME  internal kernel device name      MAJ:MIN  major:minor device number       FSTYPE  filesystem type   MOUNTPOINT  where the device is mounted        LABEL  filesystem LABEL         UUID  filesystem UUID     PARTTYPE  partition type UUID    PARTLABEL  partition LABEL     PARTUUID  partition UUID    PARTFLAGS  partition flags           RA  read-ahead of the device           RO  read-only device           RM  removable device      HOTPLUG  removable or hotplug device (usb, pcmcia, ...)        MODEL  device identifier       SERIAL  disk serial number         SIZE  size of the device        STATE  state of the device        OWNER  user name        GROUP  group name         MODE  device node permissions    ALIGNMENT  alignment offset       MIN-IO  minimum I/O size       OPT-IO  optimal I/O size      PHY-SEC  physical sector size      LOG-SEC  logical sector size         ROTA  rotational device, 0是不可旋转(ssd),1是可旋转(hdd)        SCHED  I/O scheduler name      RQ-SIZE  request queue size         TYPE  device type     DISC-ALN  discard alignment offset    DISC-GRAN  discard granularity     DISC-MAX  discard max bytes    DISC-ZERO  discard zeroes data        WSAME  write same max bytes          WWN  unique storage identifier         RAND  adds randomness       PKNAME  internal parent kernel device name         HCTL  Host:Channel:Target:Lun for SCSI         TRAN  device transport type   SUBSYSTEMS  de-duplicated chain of subsystems          REV  device revision       VENDOR  device vendor
  lsblk 命令输出 default 参数是-a, --all    ~ lsblk NAME   MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT loop1    7:1    0  55.8M  1 loop /snap/kata-containers/288 sdd      8:48   0   1.8T  0 disk   sdd1   8:49   0   1.8T  0 part  sdb      8:16   0 119.2G  0 disk   sdb2   8:18   0   915M  0 part   sdb1   8:17   0 118.4G  0 part  loop4    7:4    0  69.8M  1 loop /snap/kata-containers/352 sr0     11:0    1  1024M  0 rom   loop2    7:2    0  89.4M  1 loop /snap/core/6818 loop0    7:0    0  88.4M  1 loop /snap/core/6964 sde      8:64   0   1.8T  0 disk   sde2   8:66   0   1.8T  0 part   sde1   8:65   0   128M  0 part  sdc      8:32   0   477G  0 disk   sdc2   8:34   0   372G  0 part /home  sdc5   8:37   0   9.5G  0 part [SWAP]  sdc3   8:35   0     1K  0 part   sdc1   8:33   0  95.4G  0 part / loop3    7:3    0  89.3M  1 loop /snap/core/6673
  lsblk -b , --bytes ,输出单位为字节    ~ lsblk -b NAME   MAJ:MIN RM          SIZE RO TYPE MOUNTPOINT loop1    7:1    0      58478592  1 loop /snap/kata-containers/288 sdd      8:48   0 2000398934016  0 disk   sdd1   8:49   0 2000397795328  0 part  sdb      8:16   0  128035676160  0 disk   sdb2   8:18   0     959447040  0 part   sdb1   8:17   0  127071901696  0 part  loop4    7:4    0      73129984  1 loop /snap/kata-containers/352 sr0     11:0    1    1073741312  0 rom   loop2    7:2    0      93720576  1 loop /snap/core/6818 loop0    7:0    0      92733440  1 loop /snap/core/6964 sde      8:64   0 2000398934016  0 disk   sde2   8:66   0 2000263577600  0 part   sde1   8:65   0     134217728  0 part  sdc      8:32   0  512110190592  0 disk   sdc2   8:34   0  399469707264  0 part /home  sdc5   8:37   0   10239344640  0 part [SWAP]  sdc3   8:35   0          1024  0 part   sdc1   8:33   0  102398689280  0 part / loop3    7:3    0      93581312  1 loop /snap/core/6673
  lsblk -D , --discard, 打印遗弃功能列表, (没详细查)    ~ lsblk -D NAME   DISC-ALN DISC-GRAN DISC-MAX DISC-ZERO loop1         0        4K       4G         0 sdd           0        4K       2G         0  sdd1        0        4K       2G         0 sdb           0      512B       2G         0  sdb2        0      512B       2G         0  sdb1        0      512B       2G         0 loop4         0        4K       4G         0 sr0           0        0B       0B         0 loop2         0        4K       4G         0 loop0         0        4K       4G         0 sde           0        0B       0B         0  sde2        0        0B       0B         0  sde1        0        0B       0B         0 sdc           0      512B       2G         0  sdc2        0      512B       2G         0  sdc5        0      512B       2G         0  sdc3        0      512B       2G         0  sdc1        0      512B       2G         0 loop3         0        4K       4G         0
  lsblk -d [/dev/sdx], --nodeps ,打印指定设备的信息,或者打印所有设备的信息    ~ lsblk -d NAME  MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT loop1   7:1    0  55.8M  1 loop /snap/kata-containers/288 sdd     8:48   0   1.8T  0 disk  sdb     8:16   0 119.2G  0 disk  loop4   7:4    0  69.8M  1 loop /snap/kata-containers/352 sr0    11:0    1  1024M  0 rom   loop2   7:2    0  89.4M  1 loop /snap/core/6818 loop0   7:0    0  88.4M  1 loop /snap/core/6964 sde     8:64   0   1.8T  0 disk  sdc     8:32   0   477G  0 disk  loop3   7:3    0  89.3M  1 loop /snap/core/6673     ~ lsblk -d /dev/sdc NAME MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT sdc    8:32   0  477G  0 disk
  lsblk -e, --exclude list , 排除major id列表    ~ lsblk -e 7 NAME   MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT sdd      8:48   0   1.8T  0 disk   sdd1   8:49   0   1.8T  0 part  sdb      8:16   0 119.2G  0 disk   sdb2   8:18   0   915M  0 part   sdb1   8:17   0 118.4G  0 part  sr0     11:0    1  1024M  0 rom   sde      8:64   0   1.8T  0 disk   sde2   8:66   0   1.8T  0 part   sde1   8:65   0   128M  0 part  sdc      8:32   0   477G  0 disk   sdc2   8:34   0   372G  0 part /home  sdc5   8:37   0   9.5G  0 part [SWAP]  sdc3   8:35   0     1K  0 part   sdc1   8:33   0  95.4G  0 part /    ~ lsblk -e 7,8 NAME MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT sr0   11:0    1 1024M  0 rom
  lsblk -f, --fs , 输出设备的文件系统信息
  同lsblk -o NAME,FSTYPE,LABEL,UUID,MOUNTPOINT    ~ lsblk -f        NAME   FSTYPE   LABEL    UUID                                 MOUNTPOINT loop1  squashfs                                               /snap/kata-containers/288 sdd                                                             sdd1 ntfs     Volume2  CA9015A6901599D1                      sdb                                                             sdb2 ntfs              30EAC3FEEAC3BE7A                       sdb1 ntfs     OS_WIN10 0600EC5800EC4FEB                      loop4  squashfs                                               /snap/kata-containers/352 sr0                                                            loop2  squashfs                                               /snap/core/6818 loop0  squashfs                                               /snap/core/6964 sde                                                             sde2 ntfs     专用存储 B6D47A52D47A1539                       sde1                                                         sdc                                                             sdc2 ext4              53842090-4ad6-4472-ad35-53b4d7b33bf8 /home  sdc5 swap              382e4b22-503e-4911-bf2f-1167af3f3cda [SWAP]  sdc3                                                          sdc1 ext4              6b5618d0-a2b0-41f3-a3a5-9eb5a524b0a8 / loop3  squashfs                                               /snap/core/6673
  lsblk -I , --include list ,打印major id列表    ~ lsblk -I 7,8 NAME   MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT loop1    7:1    0  55.8M  1 loop /snap/kata-containers/288 sdd      8:48   0   1.8T  0 disk   sdd1   8:49   0   1.8T  0 part  sdb      8:16   0 119.2G  0 disk   sdb2   8:18   0   915M  0 part   sdb1   8:17   0 118.4G  0 part  loop4    7:4    0  69.8M  1 loop /snap/kata-containers/352 loop2    7:2    0  89.4M  1 loop /snap/core/6818 loop0    7:0    0  88.4M  1 loop /snap/core/6964 sde      8:64   0   1.8T  0 disk   sde2   8:66   0   1.8T  0 part   sde1   8:65   0   128M  0 part  sdc      8:32   0   477G  0 disk   sdc2   8:34   0   372G  0 part /home  sdc5   8:37   0   9.5G  0 part [SWAP]  sdc3   8:35   0     1K  0 part   sdc1   8:33   0  95.4G  0 part / loop3    7:3    0  89.3M  1 loop /snap/core/6673
  lsblk -i , --ascii ,将输出信息的字符用ascii码打印    ~ lsblk -i NAME   MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT loop1    7:1    0  55.8M  1 loop /snap/kata-containers/288 sdd      8:48   0   1.8T  0 disk  `-sdd1   8:49   0   1.8T  0 part  sdb      8:16   0 119.2G  0 disk  |-sdb2   8:18   0   915M  0 part  `-sdb1   8:17   0 118.4G  0 part  loop4    7:4    0  69.8M  1 loop /snap/kata-containers/352 sr0     11:0    1  1024M  0 rom   loop2    7:2    0  89.4M  1 loop /snap/core/6818 loop0    7:0    0  88.4M  1 loop /snap/core/6964 sde      8:64   0   1.8T  0 disk  |-sde2   8:66   0   1.8T  0 part  `-sde1   8:65   0   128M  0 part  sdc      8:32   0   477G  0 disk  |-sdc2   8:34   0   372G  0 part /home |-sdc5   8:37   0   9.5G  0 part [SWAP] |-sdc3   8:35   0     1K  0 part  `-sdc1   8:33   0  95.4G  0 part / loop3    7:3    0  89.3M  1 loop /snap/core/6673
  lsblk -J , --json 用json格式输出    ~ lsblk -J {    "blockdevices": [       {"name": "loop1", "maj:min": "7:1", "rm": "0", "size": "55.8M", "ro": "1", "type": "loop", "mountpoint": "/snap/kata-containers/288"},       {"name": "sdd", "maj:min": "8:48", "rm": "0", "size": "1.8T", "ro": "0", "type": "disk", "mountpoint": null,          "children": [             {"name": "sdd1", "maj:min": "8:49", "rm": "0", "size": "1.8T", "ro": "0", "type": "part", "mountpoint": null}          ]       },       {"name": "sdb", "maj:min": "8:16", "rm": "0", "size": "119.2G", "ro": "0", "type": "disk", "mountpoint": null,          "children": [             {"name": "sdb2", "maj:min": "8:18", "rm": "0", "size": "915M", "ro": "0", "type": "part", "mountpoint": null},             {"name": "sdb1", "maj:min": "8:17", "rm": "0", "size": "118.4G", "ro": "0", "type": "part", "mountpoint": null}          ]       },       {"name": "loop4", "maj:min": "7:4", "rm": "0", "size": "69.8M", "ro": "1", "type": "loop", "mountpoint": "/snap/kata-containers/352"},       {"name": "sr0", "maj:min": "11:0", "rm": "1", "size": "1024M", "ro": "0", "type": "rom", "mountpoint": null},       {"name": "loop2", "maj:min": "7:2", "rm": "0", "size": "89.4M", "ro": "1", "type": "loop", "mountpoint": "/snap/core/6818"},       {"name": "loop0", "maj:min": "7:0", "rm": "0", "size": "88.4M", "ro": "1", "type": "loop", "mountpoint": "/snap/core/6964"},       {"name": "sde", "maj:min": "8:64", "rm": "0", "size": "1.8T", "ro": "0", "type": "disk", "mountpoint": null,          "children": [             {"name": "sde2", "maj:min": "8:66", "rm": "0", "size": "1.8T", "ro": "0", "type": "part", "mountpoint": null},             {"name": "sde1", "maj:min": "8:65", "rm": "0", "size": "128M", "ro": "0", "type": "part", "mountpoint": null}          ]       },       {"name": "sdc", "maj:min": "8:32", "rm": "0", "size": "477G", "ro": "0", "type": "disk", "mountpoint": null,          "children": [             {"name": "sdc2", "maj:min": "8:34", "rm": "0", "size": "372G", "ro": "0", "type": "part", "mountpoint": "/home"},             {"name": "sdc5", "maj:min": "8:37", "rm": "0", "size": "9.5G", "ro": "0", "type": "part", "mountpoint": "[SWAP]"},             {"name": "sdc3", "maj:min": "8:35", "rm": "0", "size": "1K", "ro": "0", "type": "part", "mountpoint": null},             {"name": "sdc1", "maj:min": "8:33", "rm": "0", "size": "95.4G", "ro": "0", "type": "part", "mountpoint": "/"}          ]       },       {"name": "loop3", "maj:min": "7:3", "rm": "0", "size": "89.3M", "ro": "1", "type": "loop", "mountpoint": "/snap/core/6673"}    ] }
  lsblk -l, --list , 打印一个表格格式的输出    ~ lsblk -l NAME  MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT loop1   7:1    0  55.8M  1 loop /snap/kata-containers/288 sdd     8:48   0   1.8T  0 disk  sdd1    8:49   0   1.8T  0 part  sdb     8:16   0 119.2G  0 disk  sdb2    8:18   0   915M  0 part  sdb1    8:17   0 118.4G  0 part  loop4   7:4    0  69.8M  1 loop /snap/kata-containers/352 sr0    11:0    1  1024M  0 rom   loop2   7:2    0  89.4M  1 loop /snap/core/6818 loop0   7:0    0  88.4M  1 loop /snap/core/6964 sde     8:64   0   1.8T  0 disk  sde2    8:66   0   1.8T  0 part  sde1    8:65   0   128M  0 part  sdc     8:32   0   477G  0 disk  sdc2    8:34   0   372G  0 part /home sdc5    8:37   0   9.5G  0 part [SWAP] sdc3    8:35   0     1K  0 part  sdc1    8:33   0  95.4G  0 part / loop3   7:3    0  89.3M  1 loop /snap/core/6673
  lsblk -m, --perms , 输出设备的权限,属主属组信息
  同lsblk -o NAME,SIZE,OWNER,GROUP,MODE    ~ lsblk -m NAME     SIZE OWNER GROUP MODE loop1   55.8M root  disk  brw-rw---- sdd      1.8T root  disk  brw-rw----  sdd1   1.8T root  disk  brw-rw---- sdb    119.2G root  disk  brw-rw----  sdb2   915M root  disk  brw-rw----  sdb1 118.4G root  disk  brw-rw---- loop4   69.8M root  disk  brw-rw---- sr0     1024M root  cdrom brw-rw---- loop2   89.4M root  disk  brw-rw---- loop0   88.4M root  disk  brw-rw---- sde      1.8T root  disk  brw-rw----  sde2   1.8T root  disk  brw-rw----  sde1   128M root  disk  brw-rw---- sdc      477G root  disk  brw-rw----  sdc2   372G root  disk  brw-rw----  sdc5   9.5G root  disk  brw-rw----  sdc3     1K root  disk  brw-rw----  sdc1  95.4G root  disk  brw-rw---- loop3   89.3M root  disk  brw-rw----
  lsblk -n, --noheadings, 不打印标题    ~ lsblk -n loop1    7:1    0  55.8M  1 loop /snap/kata-containers/288 sdd      8:48   0   1.8T  0 disk   sdd1   8:49   0   1.8T  0 part  sdb      8:16   0 119.2G  0 disk   sdb2   8:18   0   915M  0 part   sdb1   8:17   0 118.4G  0 part  loop4    7:4    0  69.8M  1 loop /snap/kata-containers/352 sr0     11:0    1  1024M  0 rom   loop2    7:2    0  89.4M  1 loop /snap/core/6818 loop0    7:0    0  88.4M  1 loop /snap/core/6964 sde      8:64   0   1.8T  0 disk   sde2   8:66   0   1.8T  0 part   sde1   8:65   0   128M  0 part  sdc      8:32   0   477G  0 disk   sdc2   8:34   0   372G  0 part /home  sdc5   8:37   0   9.5G  0 part [SWAP]  sdc3   8:35   0     1K  0 part   sdc1   8:33   0  95.4G  0 part / loop3    7:3    0  89.3M  1 loop /snap/core/6673
  lsblk -o , --output list, 打印指定字段细腻系,
  或者lsblk -o +UUID, 表示在默认输出的后边加一列字段名为UUID的信息    ~ lsblk -o +UUID NAME   MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT                UUID loop1    7:1    0  55.8M  1 loop /snap/kata-containers/288  sdd      8:48   0   1.8T  0 disk                             sdd1   8:49   0   1.8T  0 part                           CA9015A6901599D1 sdb      8:16   0 119.2G  0 disk                             sdb2   8:18   0   915M  0 part                           30EAC3FEEAC3BE7A  sdb1   8:17   0 118.4G  0 part                           0600EC5800EC4FEB loop4    7:4    0  69.8M  1 loop /snap/kata-containers/352  sr0     11:0    1  1024M  0 rom                             loop2    7:2    0  89.4M  1 loop /snap/core/6818            loop0    7:0    0  88.4M  1 loop /snap/core/6964            sde      8:64   0   1.8T  0 disk                             sde2   8:66   0   1.8T  0 part                           B6D47A52D47A1539  sde1   8:65   0   128M  0 part                            sdc      8:32   0   477G  0 disk                             sdc2   8:34   0   372G  0 part /home                     53842090-4ad6-4472-ad35-53b4d7b33bf8  sdc5   8:37   0   9.5G  0 part [SWAP]                    382e4b22-503e-4911-bf2f-1167af3f3cda  sdc3   8:35   0     1K  0 part                             sdc1   8:33   0  95.4G  0 part /                         6b5618d0-a2b0-41f3-a3a5-9eb5a524b0a8 loop3    7:3    0  89.3M  1 loop /snap/core/6673
  lsblk -O, --output-all,输出所有列的信息    ~ lsblk -O NAME   KNAME MAJ:MIN FSTYPE   MOUNTPOINT LABEL    UUID                                 PARTTYPE                             PARTLABEL PARTUUID                             PARTFLAGS  RA RO RM HOTPLUG MODEL     SERIAL      SIZE STATE OWNER GROUP MODE       ALIGNMENT MIN-IO OPT-IO PHY-SEC LOG-SEC ROTA SCHED RQ-SIZE TYPE DISC-ALN DISC-GRAN DISC-MAX DISC-ZERO WSAME WWN                RAND PKNAME HCTL       TRAN   SUBSYSTEMS  REV VENDOR loop1  loop1   7:1   squashfs /snap/kata                                                                                                                                             128  1  0       0                      55.8M       root  disk  brw-rw----         0    512      0     512     512    1 none      128 loop        0        4K       4G         0    0B                       0                          block            sdd    sdd     8:48                                                                                                                                                                  128  0  0       0 ST2000DM0 WFL10Z4B    1.8T runni root  disk  brw-rw----         0   4096      0    4096     512    1 cfq       128 disk        0        4K       2G         0    0B 0x5000c500be0e12fc    1        2:0:0:0    sata   block:scsi:pci                                                                                                                                                                                                                                                                                                                                                                                                                                        0001 ATA       sdd1 sdd1    8:49  ntfs                Volume2  CA9015A6901599D1                     ebd0a0a2-b9e5-4433-87c0-68b6b72699c7 Basic data partition                                                                                                                                       fbbcfa40-06d8-4d43-9b2e-18b04089e30d           128  0  0       0                       1.8T       root  disk  brw-rw----         0   4096      0    4096     512    1 cfq       128 part        0        4K       2G         0    0B 0x5000c500be0e12fc    1 sdd                      block:scsi:pci                                                                                                                                                                                                                                                                                                                                                                                                                                              sdb    sdb     8:16                                                                                                                                                                  128  0  0       0 M4-CT128M 000000001 119.2G runni root  disk  brw-rw----         0    512      0     512     512    0 cfq       128 disk        0      512B       2G         0    0B 0x500a075109112598    0        0:0:0:0    sata   block:scsi:pci                                                                                                                                                                                                                                                                                                                                                                                                                                        000F ATA       sdb2 sdb2    8:18  ntfs                         30EAC3FEEAC3BE7A                     0x27                                           4051264b-02                                    128  0  0       0                       915M       root  disk  brw-rw----         0    512      0     512     512    0 cfq       128 part        0      512B       2G         0    0B 0x500a075109112598    0 sdb                      block:scsi:pci                                                                                                                                                                                                                                                                                                                                                                                                                                               sdb1 sdb1    8:17  ntfs                OS_WIN10 0600EC5800EC4FEB                     0x7                                            4051264b-01                          0x80      128  0  0       0                     118.4G       root  disk  brw-rw----         0    512      0     512     512    0 cfq       128 part        0      512B       2G         0    0B 0x500a075109112598    0 sdb                      block:scsi:pci                                                                                                                                                                                                                                                                                                                                                                                                                                              loop4  loop4   7:4   squashfs /snap/kata                                                                                                                                             128  1  0       0                      69.8M       root  disk  brw-rw----         0    512      0     512     512    1 none      128 loop        0        4K       4G         0    0B                       0                          block            sr0    sr0    11:0                                                                                                                                                                   128  0  1       1 DRW-24D3S KSTD3N812  1024M runni root  cdrom brw-rw----         0    512      0     512     512    1 cfq       128 rom         0        0B       0B         0    0B 0x5001480000000000    1        5:0:0:0    sata   block:scsi:pci                                                                                                                                                                                                                                                                                                                                                                                                                                        1.01 ASUS     loop2  loop2   7:2   squashfs /snap/core                                                                                                                                             128  1  0       0                      89.4M       root  disk  brw-rw----         0    512      0     512     512    1 none      128 loop        0        4K       4G         0    0B                       0                          block            loop0  loop0   7:0   squashfs /snap/core                                                                                                                                             128  1  0       0                      88.4M       root  disk  brw-rw----         0    512      0     512     512    1 none      128 loop        0        4K       4G         0    0B                       0                          block            sde    sde     8:64                                                                                                                                                                  128  0  0       0 WDC WD20E WD-WCC4ML   1.8T runni root  disk  brw-rw----         0   4096      0    4096     512    1 cfq       128 disk        0        0B       0B         0    0B 0x50014ee2b52d7844    1        4:0:0:0    sata   block:scsi:pci                                                                                                                                                                                                                                                                                                                                                                                                                                        0A80 ATA       sde2 sde2    8:66  ntfs                专用存储 B6D47A52D47A1539                     ebd0a0a2-b9e5-4433-87c0-68b6b72699c7 Basic data partition                                                                                                                                       42732d06-bb6d-4e0c-80fc-5e2746300ea7           128  0  0       0                       1.8T       root  disk  brw-rw----         0   4096      0    4096     512    1 cfq       128 part        0        0B       0B         0    0B 0x50014ee2b52d7844    1 sde                      block:scsi:pci                                                                                                                                                                                                                                                                                                                                                                                                                                               sde1 sde1    8:65                                                                    e3c9e316-0b5c-4db8-817d-f92df00215ae Microsoft reserved partition                                                                                                                                       731fb900-205e-4c54-b9c7-b78946f2ac12           128  0  0       0                       128M       root  disk  brw-rw----      3072   4096      0    4096     512    1 cfq       128 part        0        0B       0B         0    0B 0x50014ee2b52d7844    1 sde                      block:scsi:pci                                                                                                                                                                                                                                                                                                                                                                                                                                              sdc    sdc     8:32                                                                                                                                                                  128  0  0       0 INTEL SSD BTLA82430   477G runni root  disk  brw-rw----         0    512      0     512     512    0 cfq       128 disk        0      512B       2G         0    0B 0x55cd2e414f7acc09    0        1:0:0:0    sata   block:scsi:pci                                                                                                                                                                                                                                                                                                                                                                                                                                        002C ATA       sdc2 sdc2    8:34  ext4     /home               53842090-4ad6-4472-ad35-53b4d7b33bf8 0x83                                           2ab59d7a-02                                    128  0  0       0                       372G       root  disk  brw-rw----         0    512      0     512     512    0 cfq       128 part        0      512B       2G         0    0B 0x55cd2e414f7acc09    0 sdc                      block:scsi:pci                                                                                                                                                                                                                                                                                                                                                                                                                                               sdc5 sdc5    8:37  swap     [SWAP]              382e4b22-503e-4911-bf2f-1167af3f3cda 0x82                                           2ab59d7a-05                                    128  0  0       0                       9.5G       root  disk  brw-rw----         0    512      0     512     512    0 cfq       128 part        0      512B       2G         0    0B 0x55cd2e414f7acc09    0 sdc                      block:scsi:pci                                                                                                                                                                                                                                                                                                                                                                                                                                               sdc3 sdc3    8:35                                                                    0x5                                            2ab59d7a-03                                    128  0  0       0                         1K       root  disk  brw-rw----         0    512      0     512     512    0 cfq       128 part        0      512B       2G         0    0B 0x55cd2e414f7acc09    0 sdc                      block:scsi:pci                                                                                                                                                                                                                                                                                                                                                                                                                                               sdc1 sdc1    8:33  ext4     /                   6b5618d0-a2b0-41f3-a3a5-9eb5a524b0a8 0x83                                           2ab59d7a-01                          0x80      128  0  0       0                      95.4G       root  disk  brw-rw----         0    512      0     512     512    0 cfq       128 part        0      512B       2G         0    0B 0x55cd2e414f7acc09    0 sdc                      block:scsi:pci                                                                                                                                                                                                                                                                                                                                                                                                                                              loop3  loop3   7:3   squashfs /snap/core                                                                                                                                             128  1  0       0                      89.3M       root  disk  brw-rw----         0    512      0     512     512    1 none      128 loop        0        4K       4G         0    0B                       0                          block
  lsblk -P, --pairs 打印成html需要的unsafe格式字符    ~ lsblk -P  NAME="loop1" MAJ:MIN="7:1" RM="0" SIZE="55.8M" RO="1" TYPE="loop" MOUNTPOINT="/snap/kata-containers/288" NAME="sdd" MAJ:MIN="8:48" RM="0" SIZE="1.8T" RO="0" TYPE="disk" MOUNTPOINT="" NAME="sdd1" MAJ:MIN="8:49" RM="0" SIZE="1.8T" RO="0" TYPE="part" MOUNTPOINT="" NAME="sdb" MAJ:MIN="8:16" RM="0" SIZE="119.2G" RO="0" TYPE="disk" MOUNTPOINT="" NAME="sdb2" MAJ:MIN="8:18" RM="0" SIZE="915M" RO="0" TYPE="part" MOUNTPOINT="" NAME="sdb1" MAJ:MIN="8:17" RM="0" SIZE="118.4G" RO="0" TYPE="part" MOUNTPOINT="" NAME="loop4" MAJ:MIN="7:4" RM="0" SIZE="69.8M" RO="1" TYPE="loop" MOUNTPOINT="/snap/kata-containers/352" NAME="sr0" MAJ:MIN="11:0" RM="1" SIZE="1024M" RO="0" TYPE="rom" MOUNTPOINT="" NAME="loop2" MAJ:MIN="7:2" RM="0" SIZE="89.4M" RO="1" TYPE="loop" MOUNTPOINT="/snap/core/6818" NAME="loop0" MAJ:MIN="7:0" RM="0" SIZE="88.4M" RO="1" TYPE="loop" MOUNTPOINT="/snap/core/6964" NAME="sde" MAJ:MIN="8:64" RM="0" SIZE="1.8T" RO="0" TYPE="disk" MOUNTPOINT="" NAME="sde2" MAJ:MIN="8:66" RM="0" SIZE="1.8T" RO="0" TYPE="part" MOUNTPOINT="" NAME="sde1" MAJ:MIN="8:65" RM="0" SIZE="128M" RO="0" TYPE="part" MOUNTPOINT="" NAME="sdc" MAJ:MIN="8:32" RM="0" SIZE="477G" RO="0" TYPE="disk" MOUNTPOINT="" NAME="sdc2" MAJ:MIN="8:34" RM="0" SIZE="372G" RO="0" TYPE="part" MOUNTPOINT="/home" NAME="sdc5" MAJ:MIN="8:37" RM="0" SIZE="9.5G" RO="0" TYPE="part" MOUNTPOINT="[SWAP]" NAME="sdc3" MAJ:MIN="8:35" RM="0" SIZE="1K" RO="0" TYPE="part" MOUNTPOINT="" NAME="sdc1" MAJ:MIN="8:33" RM="0" SIZE="95.4G" RO="0" TYPE="part" MOUNTPOINT="/" NAME="loop3" MAJ:MIN="7:3" RM="0" SIZE="89.3M" RO="1" TYPE="loop" MOUNTPOINT="/snap/core/6673"
  lsblk -p, --paths, 打印设备的全部路径    ~ lsblk -p NAME        MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT /dev/loop1    7:1    0  55.8M  1 loop /snap/kata-containers/288 /dev/sdd      8:48   0   1.8T  0 disk   /dev/sdd1   8:49   0   1.8T  0 part  /dev/sdb      8:16   0 119.2G  0 disk   /dev/sdb2   8:18   0   915M  0 part   /dev/sdb1   8:17   0 118.4G  0 part  /dev/loop4    7:4    0  69.8M  1 loop /snap/kata-containers/352 /dev/sr0     11:0    1  1024M  0 rom   /dev/loop2    7:2    0  89.4M  1 loop /snap/core/6818 /dev/loop0    7:0    0  88.4M  1 loop /snap/core/6964 /dev/sde      8:64   0   1.8T  0 disk   /dev/sde2   8:66   0   1.8T  0 part   /dev/sde1   8:65   0   128M  0 part  /dev/sdc      8:32   0   477G  0 disk   /dev/sdc2   8:34   0   372G  0 part /home  /dev/sdc5   8:37   0   9.5G  0 part [SWAP]  /dev/sdc3   8:35   0     1K  0 part   /dev/sdc1   8:33   0  95.4G  0 part / /dev/loop3    7:3    0  89.3M  1 loop /snap/core/6673
  lsblk -r, --raw , 裸格式输出    ~ lsblk -r NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT loop1 7:1 0 55.8M 1 loop /snap/kata-containers/288 sdd 8:48 0 1.8T 0 disk  sdd1 8:49 0 1.8T 0 part  sdb 8:16 0 119.2G 0 disk  sdb2 8:18 0 915M 0 part  sdb1 8:17 0 118.4G 0 part  loop4 7:4 0 69.8M 1 loop /snap/kata-containers/352 sr0 11:0 1 1024M 0 rom  loop2 7:2 0 89.4M 1 loop /snap/core/6818 loop0 7:0 0 88.4M 1 loop /snap/core/6964 sde 8:64 0 1.8T 0 disk  sde2 8:66 0 1.8T 0 part  sde1 8:65 0 128M 0 part  sdc 8:32 0 477G 0 disk  sdc2 8:34 0 372G 0 part /home sdc5 8:37 0 9.5G 0 part [SWAP] sdc3 8:35 0 1K 0 part  sdc1 8:33 0 95.4G 0 part / loop3 7:3 0 89.3M 1 loop /snap/core/6673
  lsblk -S, --scsi 输出scsi设备(物理设备)的信息    ~ lsblk -S NAME HCTL       TYPE VENDOR   MODEL             REV TRAN sdd  2:0:0:0    disk ATA      ST2000DM008-2FR1 0001 sata sdb  0:0:0:0    disk ATA      M4-CT128M4SSD1   000F sata sr0  5:0:0:0    rom  ASUS     DRW-24D3ST       1.01 sata sde  4:0:0:0    disk ATA      WDC WD20EZRX-00D 0A80 sata sdc  1:0:0:0    disk ATA      INTEL SSDSC2KW51 002C sata
  lsblk -s, --inverse , 打印分区的依赖设备反序列输出,分区指向设备.    ~ lsblk -s NAME  MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT loop1   7:1    0  55.8M  1 loop /snap/kata-containers/288 sdd1    8:49   0   1.8T  0 part   sdd   8:48   0   1.8T  0 disk  sdb2    8:18   0   915M  0 part   sdb   8:16   0 119.2G  0 disk  sdb1    8:17   0 118.4G  0 part   sdb   8:16   0 119.2G  0 disk  loop4   7:4    0  69.8M  1 loop /snap/kata-containers/352 sr0    11:0    1  1024M  0 rom   loop2   7:2    0  89.4M  1 loop /snap/core/6818 loop0   7:0    0  88.4M  1 loop /snap/core/6964 sde2    8:66   0   1.8T  0 part   sde   8:64   0   1.8T  0 disk  sde1    8:65   0   128M  0 part   sde   8:64   0   1.8T  0 disk  sdc2    8:34   0   372G  0 part /home  sdc   8:32   0   477G  0 disk  sdc5    8:37   0   9.5G  0 part [SWAP]  sdc   8:32   0   477G  0 disk  sdc3    8:35   0     1K  0 part   sdc   8:32   0   477G  0 disk  sdc1    8:33   0  95.4G  0 part /  sdc   8:32   0   477G  0 disk  loop3   7:3    0  89.3M  1 loop /snap/core/6673
  lsblk -t, --topology 打印块设备的拓扑结构.
  同 lsblk -o NAME,ALIGN-MENT,MIN-IO,OPT-IO,PHY-SEC,LOG-SEC,ROTA,SCHED,RQ-SIZE,RA,WSAME.    ~ lsblk -t NAME   ALIGNMENT MIN-IO OPT-IO PHY-SEC LOG-SEC ROTA SCHED RQ-SIZE  RA WSAME loop1          0    512      0     512     512    1 none      128 128    0B sdd            0   4096      0    4096     512    1 cfq       128 128    0B  sdd1         0   4096      0    4096     512    1 cfq       128 128    0B sdb            0    512      0     512     512    0 cfq       128 128    0B  sdb2         0    512      0     512     512    0 cfq       128 128    0B  sdb1         0    512      0     512     512    0 cfq       128 128    0B loop4          0    512      0     512     512    1 none      128 128    0B sr0            0    512      0     512     512    1 cfq       128 128    0B loop2          0    512      0     512     512    1 none      128 128    0B loop0          0    512      0     512     512    1 none      128 128    0B sde            0   4096      0    4096     512    1 cfq       128 128    0B  sde2         0   4096      0    4096     512    1 cfq       128 128    0B  sde1      3072   4096      0    4096     512    1 cfq       128 128    0B sdc            0    512      0     512     512    0 cfq       128 128    0B  sdc2         0    512      0     512     512    0 cfq       128 128    0B  sdc5         0    512      0     512     512    0 cfq       128 128    0B  sdc3         0    512      0     512     512    0 cfq       128 128    0B  sdc1         0    512      0     512     512    0 cfq       128 128    0B loop3          0    512      0     512     512    1 none      128 128    0B
  lsblk -V, --version 查看版本号    ~ lsblk -V lsblk,来自 util-linux 2.27.1
  lsblk -x, --sort colum, 指定字段对输出信息排序    ~ lsblk -S -x NAME NAME HCTL       TYPE VENDOR   MODEL             REV TRAN sdb  0:0:0:0    disk ATA      M4-CT128M4SSD1   000F sata sdc  1:0:0:0    disk ATA      INTEL SSDSC2KW51 002C sata sdd  2:0:0:0    disk ATA      ST2000DM008-2FR1 0001 sata sde  4:0:0:0    disk ATA      WDC WD20EZRX-00D 0A80 sata sr0  5:0:0:0    rom  ASUS     DRW-24D3ST       1.01 sata
  应用场景: 确认从磁盘上会否ssd lsblk -d -o +rota   ~ lsblk -d -o +rota NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT ROTA loop1 7:1 0 55.8M 1 loop /snap/kata-containers/288 1 sdd 8:48 0 1.8T 0 disk 1 sdb 8:16 0 119.2G 0 disk 0 loop4 7:4 0 69.8M 1 loop /snap/kata-containers/352 1 sr0 11:0 1 1024M 0 rom 1 loop2 7:2 0 89.4M 1 loop /snap/core/6818 1 loop0 7:0 0 88.4M 1 loop /snap/core/6964 1 sde 8:64 0 1.8T 0 disk 1 sdc 8:32 0 477G 0 disk 0 loop3 7:3 0 89.3M 1 loop /snap/core/6673 1

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