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知乎专栏多维度架构

29.5. disk

[root@F5:Active] config # fdisk -l

Disk /dev/hda: 8455 MB, 8455200768 bytes
16 heads, 63 sectors/track, 16383 cylinders
Units = cylinders of 1008 * 512 = 516096 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/hda1   *           1         219      110375+   b  W95 FAT32
/dev/hda2             220        2299     1048320   82  Linux swap / Solaris
/dev/hda3            2300       16382     7097832   8e  Linux LVM

Disk /dev/sda: 300.0 GB, 300069052416 bytes
255 heads, 63 sectors/track, 36481 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1               1          57      457852    b  W95 FAT32
/dev/sda2              58         187     1044225   82  Linux swap / Solaris
/dev/sda3             188       36480   291523522+  8e  Linux LVM

		
[root@F5:Active] config # df
Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/mapper/vg--db--sda-set.1.root
                        253871    129260    111504  54% /
/dev/mapper/vg--db--sda-set.1._config
                        507748     20668    460866   5% /config
/dev/mapper/vg--db--sda-set.1._usr
                       1378784    984928    323816  76% /usr
/dev/mapper/vg--db--sda-set.1._var
                       3096336    168280   2770772   6% /var
/dev/mapper/vg--db--sda-dat.share.1
                      30963708    944348  28446496   4% /shared
/dev/mapper/vg--db--sda-dat.log.1
                       7224824    133564   6724260   2% /var/log
none                   4093532       408   4093124   1% /dev/shm
none                   4093532     13240   4080292   1% /var/tmstat
none                   4093532      1088   4092444   1% /var/run
prompt                    4096        12      4084   1% /var/prompt