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第十二章:磁盤、分區(qū)和格式化 Solaris系統(tǒng)管理培訓(xùn)

磁盤卷標(biāo),也叫磁盤卷內(nèi)容表(VTOC),包含:
磁盤的分區(qū)表
磁盤的卷名
各分區(qū)的分區(qū)標(biāo)識(分區(qū)掛接點(diǎn)的描述)
各分區(qū)的分區(qū)標(biāo)識(分區(qū)是否可寫或可掛接)
磁盤卷標(biāo)占據(jù)磁盤的第一扇區(qū)

把一個(gè)磁盤分區(qū)的步驟:
1. Type format at the prompt and press Return.
2. Choose a disk by selecting the number to the left corresponding to its description.
3. Type partition at the format prompt.
4. Type print at the partition prompt.
5. Type partition number to change the root partition.
6. Enter the new values.
7. Once you are satisfIEd with the partition table, label the disk.

命令prtvtoc可以顯示某個(gè)磁盤的分區(qū)狀況
# prtvtoc /dev/rdsk/c0t0d0s2
* /dev/rdsk/c0t0d0s2 partition map
* Dimensions:
* 512 bytes/sector
* 80 sectors/track
* 9 tracks/cylinder
* 720 sectors/cylinder
* 2500 cylinders
* 1151 accessible cylinders
* Flags:
* 1: unmountable
* 10: read-only
* First Sector Last
* Partition Tag Flags Sector Count Sector Mount Directory
0 2 00 0 41040 41039 /
1 3 01 41040 65520 106559
2 5 00 0 828720 828719
6 4 00 106560 722160 828719 /usr

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