VMware中为Solaris10动态扩展硬盘空间
当你为solaris分配了一个12G虚拟硬盘，但是过了一段时间发现不够用，想把它扩大到15G,VMware是支持动态分配硬盘的，但是solaris没有lvm管理硬盘，所以不能用其他磁盘管理软件动态扩展当前硬盘，通常的做法是新增加一块15G的硬盘，然后格式化新硬盘，最后把之前12G硬盘中的数据拷贝到新硬盘中，然后删除原来的硬盘，这种做法是最原始的做法，下面介绍下在原有的硬盘基础上动态扩展硬盘空间。
(root_HOSTNAME)@/ #
AVAILABLE DISK SELECTIONS:
0. c0t0d0 <DEFAULT cyl 4174 alt 2 hd 255 sec 63>
/pci@0,0/pci1000,30@10/sd@0,0
1. c0t1d0 <DEFAULT cyl 1563 alt 2 hd 255 sec 63>
/pci@0,0/pci1000,30@10/sd@1,0
Specify disk (enter its number): 1
selecting c0t1d0
==>
partition> p
Current partition table (original):
Total disk cylinders available: 1563 + 2 (reserved cylinders)
Part
Tag Flag Cylinders Size Blocks
0 unassigned
wm 0 0 (0/0/0) 0
1 unassigned
wm 0 0 (0/0/0) 0
2
backup wu 0 - 1562 11.97GB (1563/0/0) 25109595
3 unassigned
wm 0 0 (0/0/0) 0
4 unassigned
wm 0 0 (0/0/0) 0
5 unassigned
wm 0 0 (0/0/0) 0
6 unassigned
wm 0 0 (0/0/0) 0
7 unassigned
wm 0 0 (0/0/0) 0
8
boot wu 0 - 0 7.84MB (1/0/0) 16065
9 unassigned
wm 0 0 (0/0/0) 0
partition>
==>
(root_HOSTNAME)@/ # newfs /dev/rdsk/c0t1d0s2
newfs: construct a new file system /dev/rdsk/c0t1d0s2: (y/n)? y
Warning: 934 sector(s) in last cylinder unallocated
/dev/rdsk/c0t1d0s2:
25109594 sectors in 4087 cylinders of 48 tracks, 128 sectors
12260.5MB in 256 cyl groups (16 c/g, 48.00MB/g, 5824 i/g)
super-block backups (for fsck -F ufs -o b=#) at:
32, 98464, 196896, 295328, 393760, 492192, 590624, 689056, 787488, 885920,
24189728, 24288160, 24386592, 24485024, 24583456, 24681888, 24780320,
24878752, 24977184, 25075616
(root_HOSTNAME)@/ # mount /dev/dsk/c0t1d0s2 /data
/dev/dsk/c0t1d0s2
12G 12M 12G 1% /data
Copy some files under /data
Example:
(root_HOSTNAME)@/data # mkfile 3g 3g
(root_HOSTNAME)@/data # cp -rp /etc/* .
--> Add to 15G
Delete existing partition
-> 3
Create partition again
->1
Update disk configuration and exit
->5
Label disk
(root_HOSTNAME)@/ # df -h
Filesystem
size used avail capacity Mounted on
/dev/dsk/c0t1d0s2 12G 3.0G 8.7G 26% /data
Using growfs command to extend file system
-->
(root_HOSTNAME)@/ # growfs -M /data /dev/rdsk/c0t1d0s2
Warning: 1054 sector(s) in last cylinder unallocated
/dev/rdsk/c0t1d0s2:
31407074 sectors in 5112 cylinders of 48 tracks, 128 sectors
15335.5MB in 320 cyl groups (16 c/g, 48.00MB/g, 5824 i/g)
super-block backups (for fsck -F ufs -o b=#) at:
32, 98464, 196896, 295328, 393760, 492192, 590624, 689056, 787488, 885920,
Initializing cylinder groups:
......
super-block backups for last 10 cylinder groups at:
30481184, 30579616, 30678048, 30776480, 30874912, 30973344, 31071776,
31170208, 31268640, 31367072
(root_HOSTNAME)@/ # df -h /data
Filesystem
size used avail capacity Mounted on
/dev/dsk/c0t1d0s2
15G 3.0G 12G 21% /data
(root_HOSTNAME)@/ # cd /data
(root_HOSTNAME)@/data # ls
3g
cron esd.conf grpck
TIMEZONE
css.conf fddi.cfg halt
TIMEZONE.temp
dacf.conf ff hba.conf
aliases
datemsk fmthard hostname.vmxnet3s0
auto_home
dcopy format hosts
auto_master
defaultrouter format.dat ima.conf
autopush
device.tab fsck inetd.conf
bootrc
devlink.tab fsdb init
bootsign
dgroup.tab fstyp initpipe
cfgadm
driver_aliases fuser lost+found
chroot
driver_classes getty
clri
dumpadm.conf gnome-vfs-mime-magic
coreadm.conf
dumpdates group
(root_HOSTNAME)@/data #