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多OS环境问题汇总_cpybck

作者：2023面试高手 | 2024-03-10 06:22:16

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文章目录

1. 如何查看多OS每个盘对应的OS信息？

如果一个服务器安装多个OS，你有没有一个疑问？
如何不加载其他盘的OS，在一个OS查看其他OS的基本信息呢？OS版本、内核、GCC等。

来、开始我们的探索之旅。



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1.1 查看文件系统

  • 随便进入一个OS查看文件系统

通过lsblk查看每个盘是哪个文件系统，TYPE列即为文件系统格式。

blkid命令对查询设备上所采用文件系统类型 ；使用方法见blkid

root@joey-PC:/home# lsblk
NAME                   MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
sda                      8:0    0   1.1T  0 disk
sdb                      8:16   0   1.1T  0 disk
├─sdb1                   8:17   0   512M  0 part
└─sdb2                   8:18   0   1.1T  0 part
sdc                      8:32   0   1.1T  0 disk
├─sdc1                   8:33   0   200M  0 part
├─sdc2                   8:34   0     1G  0 part
└─sdc3                   8:35   0   1.1T  0 part
  ├─euleros00-root     254:20   0   1.1T  0 lvm
  └─euleros00-swap     254:21   0  31.4G  0 lvm
sdd                      8:48   0   1.1T  0 disk
├─sdd1                   8:49   0   493M  0 part
├─sdd2                   8:50   0   494M  0 part
└─sdd3                   8:51   0   1.1T  0 part
  ├─cpsVG-rootfs       254:12   0     8G  0 lvm
  ├─cpsVG-bak_rootfs   254:13   0     8G  0 lvm
  ├─cpsVG-log          254:14   0    20G  0 lvm
  ├─cpsVG-data         254:15   0   512M  0 lvm
  ├─cpsVG-fsp          254:16   0     1G  0 lvm
  ├─cpsVG-upgrade      254:17   0   3.5G  0 lvm
  ├─cpsVG-image        254:18   0   350G  0 lvm
  └─cpsVG-image--cache 254:19   0    50G  0 lvm
sde                      8:64   0   1.1T  0 disk
├─sde1                   8:65   0   285M  0 part
├─sde2                   8:66   0   954M  0 part
└─sde3                   8:67   0 931.3G  0 part
sdf                      8:80   0   1.1T  0 disk
├─sdf1                   8:81   0   512M  0 part
└─sdf2                   8:82   0   1.1T  0 part
sdg                      8:96   0   1.1T  0 disk
├─sdg1                   8:97   0   200M  0 part
├─sdg2                   8:98   0     1G  0 part
└─sdg3                   8:99   0   1.1T  0 part
  ├─centos-root        254:10   0   1.1T  0 lvm
  └─centos-swap        254:11   0  31.8G  0 lvm
sdh                      8:112  0 557.9G  0 disk
├─sdh1                   8:113  0   300M  0 part /boot/efi
├─sdh2                   8:114  0   1.5G  0 part /boot
├─sdh3                   8:115  0 111.6G  0 part /
├─sdh4                   8:116  0 408.5G  0 part /data
├─sdh5                   8:117  0    20G  0 part /recovery
└─sdh6                   8:118  0    16G  0 part [SWAP]


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1.2 查看OS信息

1.2 A：标准文件系统

例如：

sdh                      8:112  0 557.9G  0 disk
├─sdh1                   8:113  0   300M  0 part /boot/efi
├─sdh2                   8:114  0   1.5G  0 part /boot
├─sdh3                   8:115  0 111.6G  0 part /
├─sdh4                   8:116  0 408.5G  0 part /data
├─sdh5                   8:117  0    20G  0 part /recovery
└─sdh6                   8:118  0    16G  0 part [SWAP]

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那么针对这个例子，根分区为 sdh3，我们可以看到这个就是UOS了。

1.2.1 通过系统文件查看

  • 挂载当前根分区到当前OS的mnt目录
root@joey-PC:/home# mount /dev/sdh3 /mnt
root@joey-PC:/home# cat /mnt/etc/os-release
PRETTY_NAME="Uniontech OS Server 20 Enterprise"
NAME="Uniontech OS Server 20 Enterprise"
VERSION_ID="20"
VERSION="20"
ID=UOS
HOME_URL="https://www.chinauos.com/"
BUG_REPORT_URL="http://bbs.chinauos.com"
VERSION_CODENAME=fou


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1.2.2 查看内核版本

root@joey-PC:/home# ls /mnt/usr/lib/modules/
4.19.0-arm64-server

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1.2.3 查看GCC版本

root@joey-PC:/home# /mnt/usr/bin/gcc -v
Using built-in specs.
COLLECT_GCC=/mnt/usr/bin/gcc
COLLECT_LTO_WRAPPER=/mnt/usr/bin/../lib/gcc/aarch64-linux-gnu/8/lto-wrapper
Target: aarch64-linux-gnu
...
gcc version 8.3.0 (Uos 8.3.0.3-3+rebuild)


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1.3 B: lvm文件系统

例如：

sdg                      8:96   0   1.1T  0 disk
├─sdg1                   8:97   0   200M  0 part
├─sdg2                   8:98   0     1G  0 part
└─sdg3                   8:99   0   1.1T  0 part
  ├─centos-root        254:10   0   1.1T  0 lvm
  └─centos-swap        254:11   0  31.8G  0 lvm

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针对这个例子，根目录为centos/root，所以这个OS为

1.3.1 通过系统文件查看

  • 挂载当前根分区到当前OS的mnt目录
root@joey-PC:/home# mount /dev/centos/root /mnt


root@joey-PC:/home# cat /mnt/etc/os-release
NAME="CentOS Linux"
VERSION="7 (AltArch)"
ID="centos"
ID_LIKE="rhel fedora"
VERSION_ID="7"
PRETTY_NAME="CentOS Linux 7 (AltArch)"
ANSI_COLOR="0;31"
CPE_NAME="cpe:/o:centos:centos:7"
HOME_URL="https://www.centos.org/"
BUG_REPORT_URL="https://bugs.centos.org/"

CENTOS_MANTISBT_PROJECT="CentOS-7"
CENTOS_MANTISBT_PROJECT_VERSION="7"
REDHAT_SUPPORT_PRODUCT="centos"
REDHAT_SUPPORT_PRODUCT_VERSION="7"


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1.3.2 查看内核版本

root@joey-PC:/home# ls /mnt/usr/lib/modules/
4.14.0-115.el7a.0.1.aarch64

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1.3.3 查看GCC版本

root@joey-PC:/home# /mnt/usr/bin/gcc -v
Using built-in specs.
COLLECT_GCC=/mnt/usr/bin/gcc
COLLECT_LTO_WRAPPER=/mnt/usr/bin/../libexec/gcc/aarch64-redhat-linux/4.8.5/lto-wrapper
Target: aarch64-redhat-linux
...
gcc version 4.8.5 20150623 (Red Hat 4.8.5-44) (GCC)
root@joey-PC:/home#


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说明： 麒麟OS比较特殊，可以查看： /etc/.productinfo 彩蛋信息。

2. 如何确认每个盘对应的是哪个物理槽位？

2.1 RAID卡管理模式

有组RAID情况下，sda对应第一个Logical Driver 0，依次类推。

这里要使用到RAID卡管理工具，请根据RAID卡型号和OS型号去华为或者RAID卡官网下载对应的管理工具；技术支持>智能管理软件>iDriver>FusionServer iDriver。

通过storcli工具查看：

使用命令以下查看所有RAID组和硬盘信息：

字段： Virtual Drives = 5 即为5个RAID组。

[root@localhost home]# ./storcli64 /c0 show
Generating detailed summary of the adapter, it may take a while to complete.

CLI Version = 007.0706.0000.0000 May 25, 2018
Operating system = Linux 4.18.0-147.5.1.0.h208.eulerosv2r9.x86_64
Controller = 0
Status = Success
Description = None

Product Name = SAS3408
Serial Number = 024JNFCNL4001370
SAS Address =  5a01c8d1d0251000
PCI Address = 00:1c:00:00
System Time = 11/08/2020 09:15:42
Mfg. Date = 00/00/00
Controller Time = 11/08/2020 01:15:42
FW Package Build = 50.6.3-0109
BIOS Version = 7.06.02.2_0x07060502
FW Version = 5.060.01-2262
Driver Name = megaraid_sas
Driver Version = 07.713.02.00
Vendor Id = 0x1000
Device Id = 0x17
SubVendor Id = 0x19E5
SubDevice Id = 0xD213
Host Interface = PCI-E
Device Interface = SAS-12G
Bus Number = 28
Device Number = 0
Function Number = 0
Drive Groups = 5

TOPOLOGY :
========

---------------------------------------------------------------------------
DG Arr Row EID:Slot DID Type  State BT     Size PDC  PI SED DS3  FSpace TR
---------------------------------------------------------------------------
 0 -   -   -        -   RAID0 Optl  N  1.089 TB dflt N  N   dflt N      N
 0 0   -   -        -   RAID0 Optl  N  1.089 TB dflt N  N   dflt N      N
 0 0   0   64:4     7   DRIVE Onln  N  1.089 TB dflt N  N   dflt -      N
 1 -   -   -        -   RAID0 Optl  N  1.089 TB dflt N  N   dflt N      N
 1 0   -   -        -   RAID0 Optl  N  1.089 TB dflt N  N   dflt N      N
 1 0   0   64:0     2   DRIVE Onln  N  1.089 TB dflt N  N   dflt -      N
 2 -   -   -        -   RAID0 Optl  N  1.089 TB dflt N  N   dflt N      N
 2 0   -   -        -   RAID0 Optl  N  1.089 TB dflt N  N   dflt N      N
 2 0   0   64:2     4   DRIVE Onln  N  1.089 TB dflt N  N   dflt -      N
 3 -   -   -        -   RAID0 Optl  N  1.089 TB dflt N  N   dflt N      N
 3 0   -   -        -   RAID0 Optl  N  1.089 TB dflt N  N   dflt N      N
 3 0   0   64:1     8   DRIVE Onln  N  1.089 TB dflt N  N   dflt -      N
 4 -   -   -        -   RAID0 Optl  N  1.089 TB dflt N  N   dflt N      N
 4 0   -   -        -   RAID0 Optl  N  1.089 TB dflt N  N   dflt N      N
 4 0   0   64:3     10  DRIVE Onln  N  1.089 TB dflt N  N   dflt -      N
---------------------------------------------------------------------------

DG=Disk Group Index|Arr=Array Index|Row=Row Index|EID=Enclosure Device ID
DID=Device ID|Type=Drive Type|Onln=Online|Rbld=Rebuild|Dgrd=Degraded
Pdgd=Partially degraded|Offln=Offline|BT=Background Task Active
PDC=PD Cache|PI=Protection Info|SED=Self Encrypting Drive|Frgn=Foreign
DS3=Dimmer Switch 3|dflt=Default|Msng=Missing|FSpace=Free Space Present
TR=Transport Ready

Virtual Drives = 5

VD LIST :
=======

-------------------------------------------------------------
DG/VD TYPE  State Access Consist Cache Cac sCC     Size Name
-------------------------------------------------------------
0/4   RAID0 Optl  RW     Yes     NRWTD -   ON  1.089 TB
1/0   RAID0 Optl  RW     Yes     NRWTD -   ON  1.089 TB
2/1   RAID0 Optl  RW     Yes     NRWTD -   ON  1.089 TB
3/2   RAID0 Optl  RW     Yes     NRWTD -   ON  1.089 TB
4/3   RAID0 Optl  RW     Yes     NRWTD -   ON  1.089 TB
-------------------------------------------------------------

Cac=CacheCade|Rec=Recovery|OfLn=OffLine|Pdgd=Partially Degraded|Dgrd=Degraded
Optl=Optimal|RO=Read Only|RW=Read Write|HD=Hidden|TRANS=TransportReady|B=Blocked|
Consist=Consistent|R=Read Ahead Always|NR=No Read Ahead|WB=WriteBack|
AWB=Always WriteBack|WT=WriteThrough|C=Cached IO|D=Direct IO|sCC=Scheduled
Check Consistency

Physical Drives = 7

PD LIST :
=======

---------------------------------------------------------------------------------
EID:Slt DID State DG       Size Intf Med SED PI SeSz Model               Sp Type
---------------------------------------------------------------------------------
64:0      2 Onln   1   1.089 TB SAS  HDD N   N  512B AL14SEB120N         U  -
64:1      8 Onln   3   1.089 TB SAS  HDD N   N  512B AL14SEB120N         U  -
64:2      4 Onln   2   1.089 TB SAS  HDD N   N  512B AL14SEB120N         U  -
64:3     10 Onln   4   1.089 TB SAS  HDD N   N  512B HUC101812CSS200     U  -
64:4      7 Onln   0   1.089 TB SAS  HDD N   N  512B AL14SEB120N         U  -
64:5     11 UGood  -   1.089 TB SAS  HDD N   N  512B ST1200MM0009        U  -
64:6     12 UGood  - 893.137 GB SATA SSD N   N  512B INTEL SSDSC2KB960G8 U  -
---------------------------------------------------------------------------------



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字段： Virtual Drives = 5 即为5个RAID组。

那么这里的字段， v后面的数字是对应几个RAID组的，通过以下命令找到，找到“OS Drive Name”，
vall指的就是列出所有的RAID，那么每个RAID对应的 Slt即为实际物理盘位。

2.1.1 RAID组有一个盘的情况

例如我们要找第一个RAID组是哪个盘、哪个物理盘位。

./storcli64 /c0/v0 show all

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这里的PDs for VD 0下的表格中Slt 即为第0个RAID组所有硬盘对应的物理盘位。
由于这个是RAID0，且只有一个盘，那么对应的就是一个Slt。


PDs for VD 0 :
============

----------------------------------------------------------------------------
EID:Slt DID State DG     Size Intf Med SED PI SeSz Model            Sp Type
----------------------------------------------------------------------------
64:0      2 Onln   1 1.089 TB SAS  HDD N   N  512B AL14SEB120N      U  -
----------------------------------------------------------------------------

EID-Enclosure Device ID|Slt-Slot No.|DID-Device ID|DG-DriveGroup
DHS-Dedicated Hot Spare|UGood-Unconfigured Good|GHS-Global Hotspare
UBad-Unconfigured Bad|Onln-Online|Offln-Offline|Intf-Interface
Med-Media Type|SED-Self Encryptive Drive|PI-Protection Info
SeSz-Sector Size|Sp-Spun|U-Up|D-Down/PowerSave|T-Transition|F-Foreign
UGUnsp-Unsupported|UGShld-UnConfigured shielded|HSPShld-Hotspare shielded
CFShld-Configured shielded|Cpybck-CopyBack|CBShld-Copyback Shielded


VD0 Properties :
==============
Strip Size = 64 KB
Number of Blocks = 2341795840
VD has Emulated PD = No
Span Depth = 1
Number of Drives Per Span = 1
Write Cache(initial setting) = WriteThrough
Disk Cache Policy = Disk's Default
Encryption = None
Data Protection = None
Active Operations = None
Exposed to OS = Yes
OS Drive Name = /dev/sda
Creation Date = 02-11-2020
Creation Time = 09:04:33 AM
Emulation type = default
Cachebypass size = Cachebypass-64k
Cachebypass Mode = Cachebypass Intelligent
Is LD Ready for OS Requests = Yes
SCSI NAA Id = 6a01c8d1d0251000273288213b725b23
SCSI Unmap = No

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2.1.2 RAID组有多个盘的情况

这里的PDs for VD 0下的表格中Slt 即为第0个RAID组所有硬盘对应的物理盘位。
那么这种情况，就对应6个盘位Slt0-6。


PDs for VD 0 :
============

------------------------------------------------------------------------------
EID:Slt DID State DG       Size Intf Med SED PI SeSz Model            Sp Type
------------------------------------------------------------------------------
134:0     0 Onln   0 557.861 GB SAS  HDD N   N  512B HUC101860CSS200  U  -
134:1     2 Onln   0 557.861 GB SAS  HDD N   N  512B HUC101860CSS200  U  -
134:2     1 Onln   0 557.861 GB SAS  HDD N   N  512B HUC101860CSS200  U  -
134:3     3 Onln   0 557.861 GB SAS  HDD N   N  512B HUC101860CSS200  U  -
134:4     4 Onln   0 557.861 GB SAS  HDD N   N  512B HUC101860CSS200  U  -
134:5     5 Onln   0 557.861 GB SAS  HDD N   N  512B HUC101860CSS200  U  -
------------------------------------------------------------------------------

EID-Enclosure Device ID|Slt-Slot No.|DID-Device ID|DG-DriveGroup
DHS-Dedicated Hot Spare|UGood-Unconfigured Good|GHS-Global Hotspare
UBad-Unconfigured Bad|Onln-Online|Offln-Offline|Intf-Interface
Med-Media Type|SED-Self Encryptive Drive|PI-Protection Info
SeSz-Sector Size|Sp-Spun|U-Up|D-Down/PowerSave|T-Transition|F-Foreign
UGUnsp-Unsupported|UGShld-UnConfigured shielded|HSPShld-Hotspare shielded
CFShld-Configured shielded|Cpybck-CopyBack|CBShld-Copyback Shielded


VD0 Properties :
==============
Strip Size = 256 KB
Number of Blocks = 5849600000
VD has Emulated PD = No
Span Depth = 1
Number of Drives Per Span = 6
Write Cache(initial setting) = WriteBack
Disk Cache Policy = Disk's Default
Encryption = None
Data Protection = Disabled
Active Operations = None
Exposed to OS = Yes
OS Drive Name = /dev/sda
Creation Date = 28-01-2019
Creation Time = 06:47:57 AM
Emulation type = default
Cachebypass size = Cachebypass-64k
Cachebypass Mode = Cachebypass Intelligent
Is LD Ready for OS Requests = Yes
SCSI NAA Id = 6a4be2b174fe800023e1621da6cf7239
SCSI Unmap = No


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./storcli64 /c0/vall show all

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[root@localhost home]# ./storcli64 /c0/v0 show all
CLI Version = 007.0706.0000.0000 May 25, 2018
Operating system = Linux 4.18.0-147.5.1.0.h208.eulerosv2r9.x86_64
Controller = 0
Status = Success
Description = None


/c0/v0 :
======

-------------------------------------------------------------
DG/VD TYPE  State Access Consist Cache Cac sCC     Size Name
-------------------------------------------------------------
1/0   RAID0 Optl  RW     Yes     NRWTD -   ON  1.089 TB
-------------------------------------------------------------

Cac=CacheCade|Rec=Recovery|OfLn=OffLine|Pdgd=Partially Degraded|Dgrd=Degraded
Optl=Optimal|RO=Read Only|RW=Read Write|HD=Hidden|TRANS=TransportReady|B=Blocked|
Consist=Consistent|R=Read Ahead Always|NR=No Read Ahead|WB=WriteBack|
AWB=Always WriteBack|WT=WriteThrough|C=Cached IO|D=Direct IO|sCC=Scheduled
Check Consistency


PDs for VD 0 :
============

----------------------------------------------------------------------------
EID:Slt DID State DG     Size Intf Med SED PI SeSz Model            Sp Type
----------------------------------------------------------------------------
64:0      2 Onln   1 1.089 TB SAS  HDD N   N  512B AL14SEB120N      U  -
----------------------------------------------------------------------------

EID-Enclosure Device ID|Slt-Slot No.|DID-Device ID|DG-DriveGroup
DHS-Dedicated Hot Spare|UGood-Unconfigured Good|GHS-Global Hotspare
UBad-Unconfigured Bad|Onln-Online|Offln-Offline|Intf-Interface
Med-Media Type|SED-Self Encryptive Drive|PI-Protection Info
SeSz-Sector Size|Sp-Spun|U-Up|D-Down/PowerSave|T-Transition|F-Foreign
UGUnsp-Unsupported|UGShld-UnConfigured shielded|HSPShld-Hotspare shielded
CFShld-Configured shielded|Cpybck-CopyBack|CBShld-Copyback Shielded


VD0 Properties :
==============
Strip Size = 64 KB
Number of Blocks = 2341795840
VD has Emulated PD = No
Span Depth = 1
Number of Drives Per Span = 1
Write Cache(initial setting) = WriteThrough
Disk Cache Policy = Disk's Default
Encryption = None
Data Protection = None
Active Operations = None
Exposed to OS = Yes
OS Drive Name = /dev/sda
Creation Date = 02-11-2020
Creation Time = 09:04:33 AM
Emulation type = default
Cachebypass size = Cachebypass-64k
Cachebypass Mode = Cachebypass Intelligent
Is LD Ready for OS Requests = Yes
SCSI NAA Id = 6a01c8d1d0251000273288213b725b23
SCSI Unmap = No


/c0/v1 :
======

-------------------------------------------------------------
DG/VD TYPE  State Access Consist Cache Cac sCC     Size Name
-------------------------------------------------------------
2/1   RAID0 Optl  RW     Yes     NRWTD -   ON  1.089 TB
-------------------------------------------------------------

Cac=CacheCade|Rec=Recovery|OfLn=OffLine|Pdgd=Partially Degraded|Dgrd=Degraded
Optl=Optimal|RO=Read Only|RW=Read Write|HD=Hidden|TRANS=TransportReady|B=Blocked|
Consist=Consistent|R=Read Ahead Always|NR=No Read Ahead|WB=WriteBack|
AWB=Always WriteBack|WT=WriteThrough|C=Cached IO|D=Direct IO|sCC=Scheduled
Check Consistency


PDs for VD 1 :
============

----------------------------------------------------------------------------
EID:Slt DID State DG     Size Intf Med SED PI SeSz Model            Sp Type
----------------------------------------------------------------------------
64:2      4 Onln   2 1.089 TB SAS  HDD N   N  512B AL14SEB120N      U  -
----------------------------------------------------------------------------

EID-Enclosure Device ID|Slt-Slot No.|DID-Device ID|DG-DriveGroup
DHS-Dedicated Hot Spare|UGood-Unconfigured Good|GHS-Global Hotspare
UBad-Unconfigured Bad|Onln-Online|Offln-Offline|Intf-Interface
Med-Media Type|SED-Self Encryptive Drive|PI-Protection Info
SeSz-Sector Size|Sp-Spun|U-Up|D-Down/PowerSave|T-Transition|F-Foreign
UGUnsp-Unsupported|UGShld-UnConfigured shielded|HSPShld-Hotspare shielded
CFShld-Configured shielded|Cpybck-CopyBack|CBShld-Copyback Shielded


VD1 Properties :
==============
Strip Size = 64 KB
Number of Blocks = 2341795840
VD has Emulated PD = No
Span Depth = 1
Number of Drives Per Span = 1
Write Cache(initial setting) = WriteThrough
Disk Cache Policy = Disk's Default
Encryption = None
Data Protection = None
Active Operations = None
Exposed to OS = Yes
OS Drive Name = /dev/sdb
Creation Date = 02-11-2020
Creation Time = 09:05:11 AM
Emulation type = default
Cachebypass size = Cachebypass-64k
Cachebypass Mode = Cachebypass Intelligent
Is LD Ready for OS Requests = Yes
SCSI NAA Id = 6a01c8d1d0251000273288477502d8d4
SCSI Unmap = No


/c0/v2 :
======

-------------------------------------------------------------
DG/VD TYPE  State Access Consist Cache Cac sCC     Size Name
-------------------------------------------------------------
3/2   RAID0 Optl  RW     Yes     NRWTD -   ON  1.089 TB
-------------------------------------------------------------

Cac=CacheCade|Rec=Recovery|OfLn=OffLine|Pdgd=Partially Degraded|Dgrd=Degraded
Optl=Optimal|RO=Read Only|RW=Read Write|HD=Hidden|TRANS=TransportReady|B=Blocked|
Consist=Consistent|R=Read Ahead Always|NR=No Read Ahead|WB=WriteBack|
AWB=Always WriteBack|WT=WriteThrough|C=Cached IO|D=Direct IO|sCC=Scheduled
Check Consistency


PDs for VD 2 :
============

----------------------------------------------------------------------------
EID:Slt DID State DG     Size Intf Med SED PI SeSz Model            Sp Type
----------------------------------------------------------------------------
64:1      8 Onln   3 1.089 TB SAS  HDD N   N  512B AL14SEB120N      U  -
----------------------------------------------------------------------------

EID-Enclosure Device ID|Slt-Slot No.|DID-Device ID|DG-DriveGroup
DHS-Dedicated Hot Spare|UGood-Unconfigured Good|GHS-Global Hotspare
UBad-Unconfigured Bad|Onln-Online|Offln-Offline|Intf-Interface
Med-Media Type|SED-Self Encryptive Drive|PI-Protection Info
SeSz-Sector Size|Sp-Spun|U-Up|D-Down/PowerSave|T-Transition|F-Foreign
UGUnsp-Unsupported|UGShld-UnConfigured shielded|HSPShld-Hotspare shielded
CFShld-Configured shielded|Cpybck-CopyBack|CBShld-Copyback Shielded


VD2 Properties :
==============
Strip Size = 64 KB
Number of Blocks = 2341795840
VD has Emulated PD = No
Span Depth = 1
Number of Drives Per Span = 1
Write Cache(initial setting) = WriteThrough
Disk Cache Policy = Disk's Default
Encryption = None
Data Protection = None
Active Operations = None
Exposed to OS = Yes
OS Drive Name = /dev/sdc
Creation Date = 12-10-2020
Creation Time = 03:09:34 PM
Emulation type = default
Cachebypass size = Cachebypass-64k
Cachebypass Mode = Cachebypass Intelligent
Is LD Ready for OS Requests = Yes
SCSI NAA Id = 6a01c8d1d025100027172e2e3f82a632
SCSI Unmap = No


/c0/v3 :
======

-------------------------------------------------------------
DG/VD TYPE  State Access Consist Cache Cac sCC     Size Name
-------------------------------------------------------------
4/3   RAID0 Optl  RW     Yes     NRWTD -   ON  1.089 TB
-------------------------------------------------------------

Cac=CacheCade|Rec=Recovery|OfLn=OffLine|Pdgd=Partially Degraded|Dgrd=Degraded
Optl=Optimal|RO=Read Only|RW=Read Write|HD=Hidden|TRANS=TransportReady|B=Blocked|
Consist=Consistent|R=Read Ahead Always|NR=No Read Ahead|WB=WriteBack|
AWB=Always WriteBack|WT=WriteThrough|C=Cached IO|D=Direct IO|sCC=Scheduled
Check Consistency


PDs for VD 3 :
============

----------------------------------------------------------------------------
EID:Slt DID State DG     Size Intf Med SED PI SeSz Model            Sp Type
----------------------------------------------------------------------------
64:3     10 Onln   4 1.089 TB SAS  HDD N   N  512B HUC101812CSS200  U  -
----------------------------------------------------------------------------

EID-Enclosure Device ID|Slt-Slot No.|DID-Device ID|DG-DriveGroup
DHS-Dedicated Hot Spare|UGood-Unconfigured Good|GHS-Global Hotspare
UBad-Unconfigured Bad|Onln-Online|Offln-Offline|Intf-Interface
Med-Media Type|SED-Self Encryptive Drive|PI-Protection Info
SeSz-Sector Size|Sp-Spun|U-Up|D-Down/PowerSave|T-Transition|F-Foreign
UGUnsp-Unsupported|UGShld-UnConfigured shielded|HSPShld-Hotspare shielded
CFShld-Configured shielded|Cpybck-CopyBack|CBShld-Copyback Shielded


VD3 Properties :
==============
Strip Size = 64 KB
Number of Blocks = 2341795840
VD has Emulated PD = No
Span Depth = 1
Number of Drives Per Span = 1
Write Cache(initial setting) = WriteThrough
Disk Cache Policy = Disk's Default
Encryption = None
Data Protection = None
Active Operations = None
Exposed to OS = Yes
OS Drive Name = /dev/sdd
Creation Date = 12-10-2020
Creation Time = 03:10:12 PM
Emulation type = default
Cachebypass size = Cachebypass-64k
Cachebypass Mode = Cachebypass Intelligent
Is LD Ready for OS Requests = Yes
SCSI NAA Id = 6a01c8d1d025100027172e547860a523
SCSI Unmap = No


/c0/v4 :
======

-------------------------------------------------------------
DG/VD TYPE  State Access Consist Cache Cac sCC     Size Name
-------------------------------------------------------------
0/4   RAID0 Optl  RW     Yes     NRWTD -   ON  1.089 TB
-------------------------------------------------------------

Cac=CacheCade|Rec=Recovery|OfLn=OffLine|Pdgd=Partially Degraded|Dgrd=Degraded
Optl=Optimal|RO=Read Only|RW=Read Write|HD=Hidden|TRANS=TransportReady|B=Blocked|
Consist=Consistent|R=Read Ahead Always|NR=No Read Ahead|WB=WriteBack|
AWB=Always WriteBack|WT=WriteThrough|C=Cached IO|D=Direct IO|sCC=Scheduled
Check Consistency


PDs for VD 4 :
============

----------------------------------------------------------------------------
EID:Slt DID State DG     Size Intf Med SED PI SeSz Model            Sp Type
----------------------------------------------------------------------------
64:4      7 Onln   0 1.089 TB SAS  HDD N   N  512B AL14SEB120N      U  -
----------------------------------------------------------------------------

EID-Enclosure Device ID|Slt-Slot No.|DID-Device ID|DG-DriveGroup
DHS-Dedicated Hot Spare|UGood-Unconfigured Good|GHS-Global Hotspare
UBad-Unconfigured Bad|Onln-Online|Offln-Offline|Intf-Interface
Med-Media Type|SED-Self Encryptive Drive|PI-Protection Info
SeSz-Sector Size|Sp-Spun|U-Up|D-Down/PowerSave|T-Transition|F-Foreign
UGUnsp-Unsupported|UGShld-UnConfigured shielded|HSPShld-Hotspare shielded
CFShld-Configured shielded|Cpybck-CopyBack|CBShld-Copyback Shielded


VD4 Properties :
==============
Strip Size = 64 KB
Number of Blocks = 2341795840
VD has Emulated PD = No
Span Depth = 1
Number of Drives Per Span = 1
Write Cache(initial setting) = WriteThrough
Disk Cache Policy = Disk's Default
Encryption = None
Data Protection = None
Active Operations = None
Exposed to OS = Yes
OS Drive Name = /dev/sde
Creation Date = 12-10-2020
Creation Time = 03:10:47 PM
Emulation type = default
Cachebypass size = Cachebypass-64k
Cachebypass Mode = Cachebypass Intelligent
Is LD Ready for OS Requests = Yes
SCSI NAA Id = 6a01c8d1d025100027172e77ab681fe2
SCSI Unmap = No


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如果有RAID卡，但是没组RAID也可以通过RAID管理工具查看物理Slot。

./storcli64 /c0/v1 show all
EID:Slt
16::02
./storcli64 /c0/vx show all；x对应的是VD

2.2 JBOD 直通模式

2.1 NVMe场景

由于NVMe无法通过RAID卡管理，所以NVMe需要用对应厂家的管理工具，但是咨询了专家发现有一个通用工具 nvme-cli。

很简单：nvme list即可查看。

[root@localhost wsw]# nvme list
Node             SN                   Model                                    Namespace Usage                      Format           FW Rev
---------------- -------------------- ---------------------------------------- --------- -------------------------- ---------------- --------
/dev/nvme1n1     S480NE0MB00207       SAMSUNG MZQLB1T9HAJR-00003               1         711.27  GB /   1.92  TB    512   B +  0 B   EDA5200Q
/dev/nvme2n1     S480NA0MC01342       SAMSUNG MZQLB1T9HAJR-00003               1           1.15  TB /   1.92  TB    512   B +  0 B   EDA5500Q
/dev/nvme0n1     033HQGFSL2001454     HWE52P431T6M005N                         1           1.60  TB /   1.60  TB    512   B +  0 B   3245

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2.2 SATA场景

Disk0 对应的是物理盘位就是Slot0

都是SATA ，有如下对应关系： disk0-sda、disk1-sdb。

2.3 多种类型混插

尽量不要出现这种情况。

不然只能点灯、查看硬盘指示灯。

待更新。。。

附录

1. RAID卡相关资料

可以通过这里查阅。

2. NVMe硬盘管理工具

Nvme，nvmexpress链接。

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