Linux 下挂载硬盘的 方法
装虚拟机时空间划小了，于是又加了5G的空间，折腾了半天，挂上去了。整理下弄个笔记，备用。
1.添加磁盘，查看磁盘状况
[root@db1/]#fdisk-l
Disk/dev/sda:10.7GB,10737418240bytes
255heads,63sectors/track,1305cylinders
Units=cylindersof16065*512=8225280bytes
DeviceBootStartEndBlocksIdSystem
/dev/sda1*15113059277537+83Linux
/dev/sda211501204843+82Linuxswap
Partitiontableentriesarenotindiskorder
Disk/dev/sdb:5368MB,5368709120bytes
255heads,63sectors/track,652cylinders
Units=cylindersof16065*512=8225280bytes
DeviceBootStartEndBlocksIdSystem
从查询结果看出，多了一个/dev/sdb的盘
2.用fdisk对/dev/sdb进行分区
[root@db1/]#fdisk/dev/sdb
Command(mforhelp):n
Commandaction
eextended
pprimarypartition(1-4)
p
Partitionnumber(1-4):1
Firstcylinder(1-652,default1):
Usingdefaultvalue1
Lastcylinderor+sizeor+sizeMor+sizeK(1-652,default652):
Usingdefaultvalue652
Command(mforhelp):w
Thepartitiontablehasbeenaltered!
Callingioctl()tore-readpartitiontable.
Syncingdisks.
再次查看分区情况，多出来一个/dev/sdb1的区，这个1是我们在前面指定的，如果我们指定2，就变成sdb2了。
[root@db1/]#fdisk-l
Disk/dev/sda:10.7GB,10737418240bytes
255heads,63sectors/track,1305cylinders
Units=cylindersof16065*512=8225280bytes
DeviceBootStartEndBlocksIdSystem
/dev/sda1*15113059277537+83Linux
/dev/sda211501204843+82Linuxswap
Partitiontableentriesarenotindiskorder
Disk/dev/sdb:5368MB,5368709120bytes
255heads,63sectors/track,652cylinders
Units=cylindersof16065*512=8225280bytes
DeviceBootStartEndBlocksIdSystem
/dev/sdb116525237158+83Linux
[root@db1/]#
3.格式化/dev/sdb1分区
[root@db1/]#mkfs-text3/dev/sdb1
mke2fs1.35(28-Feb-2004)
Filesystemlabel=
OStype:Linux
Blocksize=4096(log=2)
Fragmentsize=4096(log=2)
655360inodes,1309289blocks
65464blocks(5.00%)reservedforthesuperuser
Firstdatablock=0
Maximumfilesystemblocks=1342177280
40blockgroups
32768blockspergroup,32768fragmentspergroup
16384inodespergroup
Superblockbackupsstoredonblocks:
32768,98304,163840,229376,294912,819200,884736
Writinginodetables:done
Creatingjournal(8192blocks):done
Writingsuperblocksandfilesystemaccountinginformation:done
Thisfilesystemwillbeautomaticallycheckedevery30mountsor
180days,whichevercomesfirst.Usetune2fs-cor-itooverride.
4.创建目录并将/dev/sdb1挂在到该目录下
[root@db1/]#ls
backupdevinitrdmediaoptsbinsysusr
binetclibmiscprocselinuxtftpbootvar
boothomelost+foundmntrootsrvtmp
[root@db1/]#mkdir/u01
[root@db1/]#ls
backupdevinitrdmediaoptsbinsysu01
binetclibmiscprocselinuxtftpbootusr
boothomelost+foundmntrootsrvtmpvar
[root@db1/]#mount/dev/sdb1/u01
5.验证挂载是否成功
[root@db1/]#df-k
Filesystem1K-blocksUsedAvailableUse%Mountedon
/dev/sda191317727066884160101282%/
none45425604542560%/dev/shm
/dev/sdb151548524304048499561%/backup
6.设置开机自动挂载
[root@db1/]#vi/etc/fstab
#Thisfileiseditedbyfstab-sync-see'manfstab-sync'fordetails
LABEL=//ext3defaults11
none/dev/ptsdevptsgid=5,mode=62000
none/dev/shmtmpfsdefaults00
none/procprocdefaults00
none/syssysfsdefaults00
LABEL=SWAP-sda2swapswapdefaults00
/dev/sdb1/u01ext3defaults00
/dev/hdc/media/cdromautopamconsole,exec,noauto,m
anaged00
/dev/fd0/media/floppyautopamconsole,exec,noauto,m
anaged00
关于/etc/fstab 命令，详见：
Linux fstab 参数详解
http://blog.csdn.net/tianlesoftware/archive/2011/02/18/6194358.aspx
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