多块PCIe SSD插在同一个主板上时，Linux 对这几块SSD的命名

最新推荐文章于 2025-05-02 11:59:48 发布

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最新推荐文章于 2025-05-02 11:59:48 发布

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本文展示了Red Hat Enterprise Linux Server 7.2版本系统的磁盘分区详细信息，包括三个NVMe磁盘(/dev/nvme0n1, /dev/nvme1n1, /dev/nvme2n1)和一个SATA磁盘(/dev/sda)的分区情况。每个磁盘的容量均为800.2GB，而SATA磁盘容量为1999.3GB。文章还提供了各分区的起始与结束区块、类型标识等具体参数。

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[root@host1 ~]# fdisk -l

Disk /dev/nvme0n1: 800.2 GB, 800166076416 bytes, 1562824368 sectors  ---->>>注意名字：/dev/nvme0n1
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: dos
Disk identifier: 0x000b8fe5

        Device Boot      Start         End      Blocks   Id  System

Disk /dev/nvme1n1: 800.2 GB, 800166076416 bytes, 1562824368 sectors ---->>>注意名字：/dev/nvme1n1
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: dos
Disk identifier: 0xd9b47686

        Device Boot      Start         End      Blocks   Id  System
/dev/nvme1n1p1            2048    20973567    10485760   83  Linux
/dev/nvme1n1p2        20973568   997535743   488281088   83  Linux
/dev/nvme1n1p3       997535744  1416966143   209715200   83  Linux

Disk /dev/nvme2n1: 800.2 GB, 800166076416 bytes, 1562824368 sectors  ---->>>注意名字：/dev/nvme2n1
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: dos
Disk identifier: 0x000a74ee

        Device Boot      Start         End      Blocks   Id  System
/dev/nvme2n1p1            2048    20973567    10485760   83  Linux ---->>>注意分区的名字：带p1
/dev/nvme2n1p2        20973568  1069549567   524288000   83  Linux
/dev/nvme2n1p3      1069549568  1488979967   209715200   83  Linux

Disk /dev/sda: 1999.3 GB, 1999307276288 bytes, 3904897024 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: dos
Disk identifier: 0x000a8633

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *        2048     1026047      512000   83  Linux
/dev/sda2         1026048    68134911    33554432   82  Linux swap / Solaris
/dev/sda3        68134912   487565311   209715200   83  Linux
[root@host1 ~]# 
[root@host1 ~]# uname -r
3.10.0-327.el7.x86_64
[root@host1 ~]# cat /etc/redhat-release 
Red Hat Enterprise Linux Server release 7.2 (Maipo)
[root@host1 ~]#