查看主机信息
# dmidecode|grep "System Information" -A9
System Information
Manufacturer: Supermicro
Product Name: X10DRi
Version: 123456789
Serial Number: 123456789
UUID: 00000000-0000-0000-0000-0CC47ADB6A38
Wake-up Type: Power Switch
SKU Number: 072815D9
Family: SMC X10
查看CPU信息
CPU型号
# cat /proc/cpuinfo | grep name | cut -f2 -d: | uniq -c
40 Intel(R) Xeon(R) CPU E5-2630 v4 @ 2.20GHz
物理核数
# grep 'physical id' /proc/cpuinfo | sort | uniq | wc -l
2
另外的方式
# lscpu
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
CPU(s): 40
On-line CPU(s) list: 0-39
Thread(s) per core: 2
Core(s) per socket: 10
座： 2
NUMA 节点： 2
厂商 ID： GenuineIntel
CPU 系列： 6
型号： 79
型号名称： Intel(R) Xeon(R) CPU E5-2630 v4 @ 2.20GHz
步进： 1
CPU MHz： 2404.617
BogoMIPS： 4405.61
虚拟化： VT-x
L1d 缓存： 32K
L1i 缓存： 32K
L2 缓存： 256K
L3 缓存： 25600K
NUMA 节点0 CPU： 0-9,20-29
NUMA 节点1 CPU： 10-19,30-39
查看内存信息
dmidecode可以看到大部分硬件信息
dmidecode
查看最大支持多少内存
# dmidecode|grep -P 'Maximum\s+Capacity'
Maximum Capacity: 512 GB
Maximum Capacity: 512 GB
查看内存插槽使用情况
# dmidecode | grep -A5 "Memory Device" | grep Size | grep -v Range
Size: 32 GB
Size: No Module Installed
Size: 32 GB
Size: No Module Installed
Size: 32 GB
Size: No Module Installed
Size: 32 GB
Size: No Module Installed
Size: 32 GB
Size: No Module Installed
Size: 32 GB
Size: No Module Installed
Size: 32 GB
Size: No Module Installed
Size: 32 GB
Size: No Module Installed
查看磁盘信息
# lsscsi
[0:0:0:0] disk ATA INTEL SSDSC2BB15 0101 -
[0:0:1:0] disk ATA INTEL SSDSC2BB15 0101 -
[0:0:2:0] disk ATA INTEL SSDSC2BB48 0150 /dev/sdb
[0:0:3:0] disk ATA INTEL SSDSC2BB48 0150 /dev/sdc
[0:0:4:0] disk ATA ST2000NM0008-2F3 SN01 /dev/sdd
[0:0:5:0] disk ATA ST2000NM0008-2F3 SN01 /dev/sde
[0:0:6:0] disk ATA ST2000NM0008-2F3 SN01 /dev/sdf
[0:0:7:0] disk ATA ST2000NM0008-2F3 SN01 /dev/sdg
[0:0:8:0] disk ATA HGST HUS726020AL T7JM /dev/sdh
[0:0:9:0] enclosu LSI SAS2X36 0e12 -
[0:1:0:0] disk LSI Logical Volume 3000 /dev/sda
查看磁盘详细信息
# smartctl -i /dev/sda
查看RAID磁盘详细信息
# smartctl -a -d megaraid,0 /dev/sda