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有一块1.2T的RAID5磁盘阵列已经可以使用fdisk -l看到,如下图所示(即/dev/sdb1)
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[root@localhost home]# fdisk -l
Disk /dev/sda: 73.4 GB, 73407868928 bytes
255 heads, 63 sectors/track, 8924 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 16 128488+ 83 Linux
/dev/sda2 17 1321 10482412+ 83 Linux
/dev/sda3 1322 3410 16779892+ 82 Linux swap
/dev/sda4 3411 8924 44291205 5 Extended
/dev/sda5 3411 5368 15727603+ 83 Linux
/dev/sda6 5369 6673 10482381 83 Linux
/dev/sda7 6674 8924 18081126 83 Linux
Disk /dev/sdb: 1320.2 GB, 1320262041600 bytes
255 heads, 63 sectors/track, 160512 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdb1 1 160512 1289312608+ 5 Extended
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现在我执行 fdisk /dev/sdb1欲进行分区,却报如下错误:
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[root@localhost home]# fdisk /dev/sdb1
Unable to read /dev/sdb1
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请问是什么意思?谢谢 |
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