Linux mount

最新推荐文章于 2025-06-26 08:26:37 发布

danson_yang

最新推荐文章于 2025-06-26 08:26:37 发布

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本文介绍如何在Linux环境下发现、格式化并挂载一个未被使用的322.1GB的大容量磁盘。文章详细展示了使用fdisk检查磁盘分区状态、使用mkfs.ext3进行文件系统格式化的过程，以及最后创建挂载点并将磁盘成功挂载至系统的步骤。

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挂在磁盘操作（还有一个300G的盘没显示出来）：

[root@iZgo67bo9s3uaijzqrgbaxZ ori]# df -h
Filesystem            Size Used Avail Use% Mounted on
/dev/hda1              39G   12G   26G 32% /
tmpfs                 4.0G     0 4.0G   0% /dev/shm

[root@iZgo67bo9s3uaijzqrgbaxZ backup]# fdisk -l   //查找未挂载的磁盘信息

Disk /dev/hda: 42.9 GB, 42949672960 bytes
224 heads, 56 sectors/track, 6687 cylinders
Units = cylinders of 12544 * 512 = 6422528 bytes

Device Boot      Start         End      Blocks   Id System
/dev/hda1   *           1        6688    41940992   83 Linux
Partition 1 does not end on cylinder boundary.

Disk /dev/xvdb: 322.1 GB, 322122547200 bytes
224 heads, 56 sectors/track, 50155 cylinders
Units = cylinders of 12544 * 512 = 6422528 bytes

Disk /dev/xvdb doesn't contain a valid partition table

[root@iZgo67bo9s3uaijzqrgbaxZ opt]#mkfs -t ext3 /dev/xvdb //格式化未挂载的磁盘，使用ext3格式
mke2fs 1.39 (29-May-2006)
Filesystem label=
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
39321600 inodes, 78643200 blocks
3932160 blocks (5.00%) reserved for the super user
First data block=0
Maximum filesystem blocks=4294967296
2400 block groups
32768 blocks per group, 32768 fragments per group
16384 inodes per group
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,
4096000, 7962624, 11239424, 20480000, 23887872, 71663616

Writing inode tables: done
Creating journal (32768 blocks): done
Writing superblocks and filesystem accounting information: done

This filesystem will be automatically checked every 31 mounts or
180 days, whichever comes first. Use tune2fs -c or -i to override.

[root@iZgo67bo9s3uaijzqrgbaxZ opt]# mkdir /mnt/sdb //创建挂载对应的目录

[root@iZgo67bo9s3uaijzqrgbaxZ sdb]#mount /dev/xvdb /mnt/sdb    //将磁盘挂载到创建的目录上
[root@iZgo67bo9s3uaijzqrgbaxZ sdb]# df -h
Filesystem            Size Used Avail Use% Mounted on
/dev/hda1              39G   12G   26G 32% /
tmpfs                 4.0G     0 4.0G   0% /dev/shm
/dev/xvdb             296G 191M 281G   1% /mnt/sdb