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高手,问个问题啊,IBM x3250 服务器,有2快160G硬盘,用服务器自带的service guide盘做成RAID 1, 装的fedora 7操作系统,用fdisk查看,出现2块盘,
[root@xzweb dev]# fdisk -l
Disk /dev/sda: 158.9 GB, 158999773184 bytes
255 heads, 63 sectors/track, 19330 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 65 522081 83 Linux
/dev/sda2 66 5287 41945715 8e Linux LVM
/dev/sda3 5288 10508 41937682+ 8e Linux LVM
Disk /dev/dm-2: 21.4 GB, 21474836480 bytes
255 heads, 63 sectors/track, 2610 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk /dev/dm-2 doesn't contain a valid partition table
一个是 Disk /dev/sda,另一个是Disk /dev/dm-2 ,百思不得其解,dm-2是哪来的那,而且还是21.4G |
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