FreeBSD 디스크 정보 확인

우선 disk 관련 정보를 출력해봅니다.

[root@localhost] ~# sysctl -a |grep -i disk

kern.disks: ada2 ada1 ada0 cd0

kern.geom.disk.cd0.led:

kern.geom.disk.ada0.led:

kern.geom.disk.ada1.led:

kern.geom.disk.ada2.led:

0 DISK ada2 5368709120 512 hd 16 sc 63

1 MULTIPATH multipath/disk1 5368708608 512(null)<State>DEGRADED</State>

0 DISK ada1 5368709120 512 hd 16 sc 63

0 DISK ada0 5368709120 512 hd 16 sc 63

0 DISK cd0 0 2048 hd 0 sc 0

z0xca04de80 [shape=box,label="MULTIPATH\ndisk1\nr#2"];

z0xca04d880 [shape=hexagon,label="multipath/disk1\nr0w0e0\nerr#0"];

z0xc41d3200 [shape=box,label="DISK\nada2\nr#1"];

z0xc41d3980 [shape=box,label="DISK\nada1\nr#1"];

z0xc6f2d980 [shape=box,label="DISK\nada0\nr#1"];

z0xc41d3d80 [shape=box,label="DISK\ncd0\nr#1"];

z0xca1d6200 [shape=box,label="DEV\nmultipath/disk1\nr#3"];

      <name>disk1</name>

          <name>multipath/disk1</name>

    <name>DISK</name>

      <name>multipath/disk1</name>

Processes:              (RUNQ: 1 Disk Wait: 0 Page Wait: 0 Sleep: 51)

vfs.nfs.diskless_rootpath:

vfs.nfs.diskless_valid: 0

위와 같이 ada0, ada1, ada2 이런 문자가 보인다면 아래 명령으로 좀 더 자세하게 살펴 볼 수 있습니다.

해당 디스크 장치 정보 출력

[root@localhost] ~# diskinfo -v ada0

ada0

        512             # sectorsize

        5368709120      # mediasize in bytes (5.0G)

        10485760        # mediasize in sectors

        4096            # stripesize

        0               # stripeoffset

        10402           # Cylinders according to firmware.

        16              # Heads according to firmware.

        63              # Sectors according to firmware.

                        # Disk ident.

[root@localhost] ~# diskinfo -v ada1

ada1

        512             # sectorsize

        5368709120      # mediasize in bytes (5.0G)

        10485760        # mediasize in sectors

        4096            # stripesize

        0               # stripeoffset

        10402           # Cylinders according to firmware.

        16              # Heads according to firmware.

        63              # Sectors according to firmware.

                        # Disk ident.

[root@localhost] ~# diskinfo -v ada2

ada2

        512             # sectorsize

        5368709120      # mediasize in bytes (5.0G)

        10485760        # mediasize in sectors

        4096            # stripesize

        0               # stripeoffset

        10402           # Cylinders according to firmware.

        16              # Heads according to firmware.

        63              # Sectors according to firmware.

                        # Disk ident.