<命令>服务器硬件参数查看命令
目录：
查看磁盘
[root@why-1 ~]# fdisk -l
Disk /dev/xvda: 42.9 GB, 42949672960 bytes
255 heads, 63 sectors/track, 5221 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00078f9c
Device Boot Start End Blocks Id System
/dev/xvda1 * 1 5222 41940992 83 Linux
Disk /dev/xvdb: 85.9 GB, 85899345920 bytes
255 heads, 63 sectors/track, 10443 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
Disk /dev/xvdc: 85.9 GB, 85899345920 bytes
255 heads, 63 sectors/track, 10443 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
磁盘使用情况
[root@DZT11 ~]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda3 488G 14G 450G 3% /
tmpfs 127G 228K 127G 1% /dev/shm
/dev/sda1 291M 39M 237M 15% /boot
/dev/sdb 440G 254M 418G 1% /mnt/disk1
tmpfs 64G 0 64G 0% /mnt/tmpfs
磁盘分区情况
[root@DZT11 ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 558.4G 0 disk
├─sda1 8:1 0 300M 0 part /boot
├─sda2 8:2 0 62.5G 0 part [SWAP]
└─sda3 8:3 0 495.6G 0 part /
sdb 8:16 0 446.6G 0 disk /mnt/disk1
sdc 8:32 0 16.4T 0 disk
磁盘写入速度
[root@DZT02 ~]# iostat -m
Linux 2.6.32-431.el6.x86_64 (DZT02) 11/03/2016 _x86_64_ (24 CPU)
avg-cpu: %user %nice %system %iowait %steal %idle
0.02 0.00 0.02 0.03 0.00 99.93
Device: tps MB_read/s MB_wrtn/s MB_read MB_wrtn
sda 0.71 0.00 0.05 333 4732
sdb 0.01 0.00 0.00 3 0
sdd 0.01 0.00 0.00 4 0
sdc 0.01 0.00 0.00 3 0
sdf 0.01 0.00 0.00 4 0
sde 0.01 0.00 0.00 4 0
sdg 0.01 0.00 0.00 3 0
scd1 0.68 0.04 0.00 3673 0
查看内存
[root@DZT11 ~]# free -g
total used free shared buffers cached
Mem: 252 3 248 0 0 0
-/+ buffers/cache: 2 250
Swap: 62 0 62
[root@DZT11 ~]# grep MemTotal /proc/meminfo
查看cpu
查看物理CPU个数
[root@DZT11 ~]# cat /proc/cpuinfo|grep "physical id"|sort|uniq|wc -l
2
查看逻辑cpu核数
[root@DZT01 ~]# cat /proc/cpuinfo|grep "processor"|sort|uniq|wc -l
24
查看cpu
[root@why-1 sh]# cat /proc/cpuinfo | grep "model name" |awk -F':' '{print $2}'
Intel(R) Xeon(R) CPU E5-2630 0 @ 2.30GHz
查看主板
yum install –y dmidecode
[root@why-1 sh]# dmidecode -q
BIOS Information
Vendor: Xen
Version: 4.0.1
Release Date: 12/16/2014
Address: 0xE8000
Runtime Size: 96 kB
ROM Size: 64 kB
Characteristics:
PCI is supported
EDD is supported
Targeted content distribution is supported
BIOS Revision: 4.0
System Information
Manufacturer: Xen
Product Name: HVM domU
Version: 4.0.1
Serial Number: cf42b5fa-7377-4045-b276-e7dd708e3b86
UUID: CF42B5FA-7377-4045-B276-E7DD708E3B86
Wake-up Type: Power Switch
SKU Number: Not Specified
Family: Not Specified
Chassis Information
Manufacturer: Xen
Type: Other
Lock: Not Present
Version: Not Specified
Serial Number: Not Specified
Asset Tag: Not Specified
Boot-up State: Safe
Power Supply State: Safe
Thermal State: Safe
Security Status: Unknown
Processor Information
Socket Designation: CPU 1
Type: Central Processor
Family: Other
Manufacturer: Intel
ID: D7 06 02 00 FF FB 89 17
Version: Not Specified
Voltage: Unknown
External Clock: Unknown
Max Speed: 2300 MHz
Current Speed: 2300 MHz
Status: Populated, Enabled
Upgrade: Other
Physical Memory Array
Location: Other
Use: System Memory
Error Correction Type: Multi-bit ECC
Maximum Capacity: 1 GB
Number Of Devices: 1
Memory Device
Total Width: 64 bits
Data Width: 64 bits
Size: 1024 MB
Form Factor: DIMM
Set: None
Locator: DIMM 0
Bank Locator: Not Specified
Type: RAM
Type Detail: None
Memory Array Mapped Address
Starting Address: 0x00000000000
Ending Address: 0x0003FFFFFFF
Range Size: 1 GB
Partition Width: 1
Memory Device Mapped Address
Starting Address: 0x00000000000
Ending Address: 0x0003FFFFFFF
Range Size: 1 GB
Partition Row Position: 1
System Boot Information
Status: No errors detected
查看共享内存
[root@bogon /]# ipcs -m
------ Shared Memory Segments --------
key shmid owner perms bytes nattch status
0x00000000 98304 root 600 393216 2 dest
0x00000000 131073 root 600 393216 2 dest
0x00000000 163842 root 600 393216 2 dest
0x00000000 196611 root 600 393216 2 dest
0x00000000 229380 root 600 393216 2 dest
0x00000000 262149 root 600 393216 2 dest
0x00000000 294918 root 600 393216 2 dest
0x00000000 327687 root 600 393216 2 dest
0x00000000 360456 root 600 393216 2 dest
0x00000000 393225 root 600 393216 2 dest
0x00000000 425994 root 600 393216 2 dest
0x00000000 458763 root 600 393216 2 dest
0x00000000 491532 root 600 393216 2 dest
0x0052e2c1 1015821 postgres 600 37879808 15
查看网卡
yum install –y pciutils
lspci | grep -i eth | awk 'NR==1'| awk -F ":"'{print $3}'
