装入卸载的磁盘的现有分区

我运行了fdisk -l命令来显示所有的磁盘和分区。 这是输出:

 Disk /dev/sda: 1000.2 GB, 1000204886016 bytes 255 heads, 63 sectors/track, 121601 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x0003c54f Device Boot Start End Blocks Id System /dev/sda1 * 1 32 248832 83 Linux Partition 1 does not end on cylinder boundary. /dev/sda2 32 121602 976510977 5 Extended /dev/sda5 32 121602 976510976 fd Linux raid autodetect Disk /dev/sdb: 1000.2 GB, 1000204886016 bytes 255 heads, 63 sectors/track, 121601 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x000e92b3 Device Boot Start End Blocks Id System /dev/sdb1 1 119513 959986688 83 Linux /dev/sdb2 119514 121602 16773121 5 Extended /dev/sdb5 119514 121602 16773120 82 Linux swap / Solaris Disk /dev/sdc: 1000.2 GB, 1000204886016 bytes 255 heads, 63 sectors/track, 121601 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00089d08 Device Boot Start End Blocks Id System /dev/sdc1 1 32 248832 83 Linux Partition 1 does not end on cylinder boundary. /dev/sdc2 32 121602 976510977 5 Extended /dev/sdc5 32 121602 976510976 8e Linux LVM 

目前我的挂载分区是/dev/sdb1/dev/sdb2 。 我有我想要访问的分区/dev/sda2上的一些数据。 我怎样才能暂时挂载,以便我可以访问它? 运行mount /dev/sda2会给我一个错误: mount: can't find /dev/sda2 in /etc/fstab or /etc/mtab

/dev/sda2是包含/dev/sda5的“ 扩展 ”分区。 这里没有数据(除了/dev/sda5的内容)。

但是,在一般情况下,如果在/etc/fstab中没有挂载选项的条目,则需要提供所有的挂载选项:

 mount /dev/something /some/directory/to/mount/to 

如果mount无法自动检测,则可能使用-t filesystemtype