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教程: Linux教程-入门课程-分区大小调整完全手册 |
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| 教程: Linux教程-入门课程-分区大小调整完全手册 |
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swap
/dev/hda6 1478 7476 48186936 83 Linux
Command (m for help): d
Partition number (1-6): 6
Command (m for help): n
Command action
l logical (5 or over)
p primary partition (1-4)
l
First cylinder (1478-7476, default 1478): 1478
Last cylinder or size or sizeM or sizeK (1478-7476, default 7476): 6960
Command (m for help): p
Disk /dev/hda: 61.4 GB, 61492838400 bytes
255 heads, 63 sectors/track, 7476 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/hda1 * 1 915 7349706 83 Linux
/dev/hda2 916 1414 4008217 83 Linux
/dev/hda3 1415 7476 48693015 5 Extended
/dev/hda5 1415 1477 506016 82 Linux swap
/dev/hda6 1478 6960 44042166 83 Linux
Command (m for help): w
The partition table has been altered!
Calling ioctl() to re-read partition table.
WARNING: Re-reading the partition table failed with error 16: Device or resource
busy.
The kernel still uses the old table.
The new table will be used at the next reboot.
Syncing disks.
这里需要说明的是，由于内核仍然使用旧的分区表，我需要通过重新启动才可以刷新刚制作的分区信息，所以在进行完重划分区操作以后，我对系统进行了重新启操作。系统重启后再继续后续的操作过程。
通过以上步骤，我们已经完成了硬盘分区大小调整的操作，接下来回到重新调整文件系统大小的问题上来。由于硬盘分区是按照柱面来计划的，我们要在resize_reiserfs步骤上就一步到位调整文件系统大小与硬盘分区大小正好相等是比较困难的事情。所以一般是调硬盘分区比文件系统要大一点点，然后再通过以下命令进行同步(当然如果你不在意硬盘分区里面存在部分空间的话也可以忽略以下步骤)：
[root@ringmail root]# umount /home/
[root@ringmail root]# resize_reiserfs /dev/hda6
<-------------resize_reiserfs, 2002------------->
reiserfsprogs 3.6.4
ReiserFS report:
blocksize 4096
block count 11010541 (11008000)
free blocks 4680574 (4678034)
bitmap block count 337 (336)
Syncing..done
完成以后原有分区的大小调整操作已经结束，接下来需要创建新分区：
[root@ringmail root]# fdisk /dev/hda
The number of cylinders for this disk is set to 7476.
There is nothing wrong with that, but this is larger than 1024,
and could in certain setups cause problems with:
1) software that runs at boot time (e.g., old versions of LILO)
2) booting and partitioning software from other OSs
(e.g., DOS FDISK, OS/2 FDISK)
Command (m for help): p
Disk /dev/hda: 61.4 GB, 61492838400 bytes
255 heads, 63 sectors/track, 7476 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/hda1 * 1 915 7349706 83 Linux
/dev/hda2 916 1414 4008217 83 Linux
/dev/hda3 1415 7476 48693015 5 Extended
/dev/hda5 1415 1477 506016 82 Linux swap
/dev/hda6 1478 6960 44042166 83 Linux
Command (m for help): n
Command action
l logical (5 or over)
p primary partition (1-4)
l
First cylinder (6961-7476, default 6961):
Using default value 6961
Last cylinder or size or sizeM or sizeK (6961-7476, default 7476):
Using default value 7476
Command (m for help): t
Partition number (1-7): 7
Hex code (type L to list codes): a5
Changed system type of partition 7 to a5 (FreeBSD)
Command (m for help): p
Disk /dev/hda: 61.4 GB, 61492838400 bytes
255 heads, 63 sectors/track, 7476 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/hda1 * 1 915 7349706 83 Linux
/dev/hda2 916 1414 4008217 83 Linux
/dev/hda3 1415 7476 48693015 5 Extended
/dev/hda5 1415 1477 506016 82 Linux swap
/dev/hda6 1478 6960 44042166 83 Linux
/dev/hda7 6961 7476 4144738 a5 FreeBSD
Command (m for help): w
The partition table has been altered!
Calling ioctl() to re-read partition table.
WARNING: Re-reading the partition table failed with error 16: Device or resource
busy.
The kernel still uses the old table.
The new table will be used at the next reboot.
Syncing disks.
至此，整个调整分区大小及创建新分区的操作全部完成。
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