快捷运维-自动分区

aqzt

使用快捷运维脚本-自动分区
https://github.com/aqzt/kjyw/blob/master/disk/auto_fdisk.sh

适用场景：一块硬盘，只分系统分区，存在部分未划分空间的情况。
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centos6.8下测试：

1. [root@centos6c ~]#
   
2. [root@centos6c ~]#
   
3. [root@centos6c ~]# df -h
   
4. Filesystem Size Used Avail Use% Mounted on
   
5. /dev/sda2 20G 671M 18G 4% /
   
6. tmpfs 499M 0 499M 0% /dev/shm
   
7. /dev/sda1 283M 27M 241M 11% /boot
   
8. [root@centos6c ~]#
   
9. [root@centos6c ~]#
   
10. [root@centos6c ~]# bash auto_fdisk.sh
    
11. Step 1.No lock file,begin to create lock file and continue.
    
12. Step 2.Begin to check free disk.
    
13. ext4
    
14. 
    
15. WARNING: DOS-compatible mode is deprecated. It’s strongly recommended to
    
16. switch off the mode (command ‘c’) and change display units to
    
17. sectors (command ‘u’).
    
18. 
    
19. Command (m for help): Command action
    
20. e extended
    
21. p primary partition (1-4)
    
22. Selected partition 4
    
23. First cylinder (2984-4699, default 2984): Using default value 2984
    
24. Last cylinder, +cylinders or +size{K,M,G} (2984-4699, default 4699): Using default value 4699
    
25. 
    
26. Command (m for help): First cylinder (2984-4699, default 2984): Using default value 2984
    
27. Last cylinder, +cylinders or +size{K,M,G} (2984-4699, default 4699): Using default value 4699
    
28. 
    
29. Command (m for help):
    
30. Disk /dev/sda: 34.4 GB, 34359738368 bytes
    
31. 255 heads, 56 sectors/track, 4699 cylinders
    
32. Units = cylinders of 14280 * 512 = 7311360 bytes
    
33. Sector size (logical/physical): 512 bytes / 512 bytes
    
34. I/O size (minimum/optimal): 512 bytes / 512 bytes
    
35. Disk identifier: 0×000aa6c6
    
36. 
    
37. Device Boot Start End Blocks Id System
    
38. /dev/sda1 * 1 44 307200 83 Linux
    
39. Partition 1 does not end on cylinder boundary.
    
40. /dev/sda2 44 2912 20480000 83 Linux
    
41. Partition 2 does not end on cylinder boundary.
    
42. /dev/sda3 2912 2984 512000 82 Linux swap / Solaris
    
43. Partition 3 does not end on cylinder boundary.
    
44. /dev/sda4 2984 4699 12250636 5 Extended
    
45. /dev/sda5 2984 4699 12250608 83 Linux
    
46. 
    
47. Command (m for help): Command (m for help): Command (m for help): The partition table has been altered!
    
48. 
    
49. Calling ioctl() to re-read partition table.
    
50. 
    
51. WARNING: Re-reading the partition table failed with error 16: 设备或资源忙.
    
52. The kernel still uses the old table. The new table will be used at
    
53. the next reboot or after you run partprobe(8) or kpartx(8)
    
54. Syncing disks.
    
55. BLKPG: Device or resource busy
    
56. error adding partition 1
    
57. BLKPG: Device or resource busy
    
58. error adding partition 2
    
59. BLKPG: Device or resource busy
    
60. error adding partition 3
    
61. mke2fs 1.41.12 (17-May-2010)
    
62. 文件系统标签=
    
63. 操作系统:Linux
    
64. 块大小=4096 (log=2)
    
65. 分块大小=4096 (log=2)
    
66. Stride=0 blocks, Stripe width=0 blocks
    
67. 767040 inodes, 3062652 blocks
    
68. 153132 blocks (5.00%) reserved for the super user
    
69. 第一个数据块=0
    
70. Maximum filesystem blocks=3137339392
    
71. 94 block groups
    
72. 32768 blocks per group, 32768 fragments per group
    
73. 8160 inodes per group
    
74. Superblock backups stored on blocks:
    
75. 32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208
    
76. 
    
77. 正在写入inode表: 完成
    
78. Creating journal (32768 blocks): 完成
    
79. Writing superblocks and filesystem accounting information: 完成
    
80. 
    
81. This filesystem will be automatically checked every 29 mounts or
    
82. 180 days, whichever comes first. Use tune2fs -c or -i to override.
    
83. Filesystem Size Used Avail Use% Mounted on
    
84. /dev/sda2 20G 671M 18G 4% /
    
85. tmpfs 499M 0 499M 0% /dev/shm
    
86. /dev/sda1 283M 27M 241M 11% /boot
    
87. /dev/sda5 12G 30M 11G 1% /data
    
88. [root@centos6c ~]#
    
89. 
    
90. centos7.2下测试：
    
91. [root@centos7a ~]#
    
92. [root@centos7a ~]#
    
93. [root@centos7a ~]# df -h
    
94. 文件系统 容量 已用 可用 已用% 挂载点
    
95. /dev/sda3 10G 1.1G 8.9G 11% /
    
96. devtmpfs 488M 0 488M 0% /dev
    
97. tmpfs 497M 0 497M 0% /dev/shm
    
98. tmpfs 497M 6.7M 490M 2% /run
    
99. tmpfs 497M 0 497M 0% /sys/fs/cgroup
    
100. /dev/sda1 297M 106M 192M 36% /boot
     
101. tmpfs 100M 0 100M 0% /run/user/0
     
102. /dev/sda5 49G 53M 46G 1% /data
     
103. [root@centos7a ~]#
     
104. [root@centos7a ~]#
     
105. [root@centos7a ~]#
     
106. [root@centos7a ~]#
     
107. [root@centos7a ~]#
     
108. [root@centos7a ~]#
     
109. [root@centos7a ~]# df -h
     
110. 文件系统 容量 已用 可用 已用% 挂载点
     
111. /dev/sda3 10G 1.1G 8.9G 11% /
     
112. devtmpfs 488M 0 488M 0% /dev
     
113. tmpfs 497M 0 497M 0% /dev/shm
     
114. tmpfs 497M 6.7M 490M 2% /run
     
115. tmpfs 497M 0 497M 0% /sys/fs/cgroup
     
116. /dev/sda1 297M 106M 192M 36% /boot
     
117. tmpfs 100M 0 100M 0% /run/user/0
     
118. /dev/sda5 49G 53M 46G 1% /data
     
119. [root@centos7a ~]#
     
120. [root@centos7a ~]#
     
121. [root@centos7a ~]# bash auto_fdisk.sh
     
122. Step 1.No lock file,begin to create lock file and continue.
     
123. Step 2.Begin to check free disk.
     
124. 欢迎使用 fdisk (util-linux 2.23.2)。
     
125. 
     
126. 更改将停留在内存中，直到您决定将更改写入磁盘。
     
127. 使用写入命令前请三思。
     
128. 
     
129. 命令(输入 m 获取帮助)：All primary partitions are in use
     
130. 添加逻辑分区 6
     
131. No free sectors available
     
132. 
     
133. 命令(输入 m 获取帮助)：e: unknown command
     
134. 命令操作
     
135. a toggle a bootable flag
     
136. b edit bsd disklabel
     
137. c toggle the dos compatibility flag
     
138. d delete a partition
     
139. g create a new empty GPT partition table
     
140. G create an IRIX (SGI) partition table
     
141. l list known partition types
     
142. m print this menu
     
143. n add a new partition
     
144. o create a new empty DOS partition table
     
145. p print the partition table
     
146. q quit without saving changes
     
147. s create a new empty Sun disklabel
     
148. t change a partition’s system id
     
149. u change display/entry units
     
150. v verify the partition table
     
151. w write table to disk and exit
     
152. x extra functionality (experts only)
     
153. 
     
154. 命令(输入 m 获取帮助)：命令(输入 m 获取帮助)：命令(输入 m 获取帮助)：All primary partitions are in use
     
155. 添加逻辑分区 6
     
156. No free sectors available
     
157. 
     
158. 命令(输入 m 获取帮助)：命令(输入 m 获取帮助)：命令(输入 m 获取帮助)：
     
159. 磁盘 /dev/sda：64.4 GB, 64424509440 字节，125829120 个扇区
     
160. Units = 扇区 of 1 * 512 = 512 bytes
     
161. 扇区大小(逻辑/物理)：512 字节 / 512 字节
     
162. I/O 大小(最小/最佳)：512 字节 / 512 字节
     
163. 磁盘标签类型：dos
     
164. 磁盘标识符：0x00013952
     
165. 
     
166. 设备 Boot Start End Blocks Id System
     
167. /dev/sda1 * 2048 616447 307200 83 Linux
     
168. /dev/sda2 616448 1640447 512000 82 Linux swap / Solaris
     
169. /dev/sda3 1640448 22611967 10485760 83 Linux
     
170. /dev/sda4 22611968 125829119 51608576 5 Extended
     
171. /dev/sda5 22614016 125829119 51607552 83 Linux
     
172. 
     
173. 命令(输入 m 获取帮助)：命令(输入 m 获取帮助)：命令(输入 m 获取帮助)：The partition table has been altered!
     
174. 
     
175. Calling ioctl() to re-read partition table.
     
176. 
     
177. WARNING: Re-reading the partition table failed with error 16: 设备或资源忙.
     
178. The kernel still uses the old table. The new table will be used at
     
179. the next reboot or after you run partprobe(8) or kpartx(8)
     
180. 正在同步磁盘。
     
181. 文件系统 容量 已用 可用 已用% 挂载点
     
182. /dev/sda3 10G 1.1G 8.9G 11% /
     
183. devtmpfs 488M 0 488M 0% /dev
     
184. tmpfs 497M 0 497M 0% /dev/shm
     
185. tmpfs 497M 6.7M 490M 2% /run
     
186. tmpfs 497M 0 497M 0% /sys/fs/cgroup
     
187. /dev/sda1 297M 106M 192M 36% /boot
     
188. tmpfs 100M 0 100M 0% /run/user/0
     
189. /dev/sda5 49G 53M 46G 1% /data
     
190. [root@centos7a ~]#
     
191. [root@centos7a ~]#
     
192. [root@centos7a ~]#

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我了个去，顶了

确实不错，顶先

没人回帖。。。我来个吧

好，很好，非常好！

1v1飘过

为了三千积分！

我也来顶一下..