å¦ä½æ¥çLinuxç£ç空é´å¤§å°
ä¸ãdfå½ä»¤ï¼
dfæ¯æ¥èªäºcoreutils软件å
ï¼ç³»ç»å®è£
æ¶ï¼å°±èªå¸¦çï¼æ们éè¿è¿ä¸ªå½ä»¤å¯ä»¥æ¥çç£çç使ç¨æ
åµä»¥åæ件系ç»è¢«æè½½çä½ç½®ï¼
举ä¾ï¼
[root@localhost beinan]# df -lh
Filesystem容éå·²ç¨å¯ç¨å·²ç¨%æè½½ç¹
/dev/hda8 11G 6.0G 4.4G 58% /
/dev/shm 236M 0 236M 0% /dev/shm
/dev/sda1 56G 22G 35G 39% /mnt/sda1
æ们ä»ä¸å¯ä»¥çå°,ç³»ç»å®è£
å¨/dev/hda8ï¼è¿æä¸ä¸ª56Gçç£çååº/dev/sda1æè½½å¨/mnt/sda1ä¸ï¼
å
¶å®çåæ°è¯·åèman df
äºãfdsik
fdiskæ¯ä¸æ¬¾å¼ºå¤§çç£çæä½å·¥å
·ï¼æ¥èªutil-linux软件å
ï¼æ们å¨è¿éåªè¯´ä»å¦ä½æ¥çç£çååºè¡¨åååºç»æï¼åæ°-lï¼éè¿-låæ°ï¼è½è·å¾æºå¨ä¸ææç硬ççååºæ
åµï¼
[root@localhost beinan]# fdisk -l
Disk /dev/hda: 80.0 GB, 80026361856 bytes
255 heads, 63 sectors/track, 9729 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/hda1 * 1 765 6144831 7 HPFS/NTFS
/dev/hda2 766 2805 16386300 c W95 FAT32 (LBA)
/dev/hda3 2806 7751 39728745 5 Extended
/dev/hda5 2806 3825 8193118+ 83 Linux
/dev/hda6 3826 5100 10241406 83 Linux
/dev/hda7 5101 5198 787153+ 82 Linux swap / Solaris
/dev/hda8 5199 6657 11719386 83 Linux
/dev/hda9 6658 7751 8787523+ 83 Linux
å¨ä¸é¢Blocksä¸ï¼è¡¨ç¤ºçæ¯ååºç大å°ï¼Blocksçåä½æ¯byteï¼æ们å¯ä»¥æ¢ç®æMï¼æ¯å¦ç¬¬ä¸ä¸ªååº/dev/hda1ç大å°å¦ææ¢ç®æMï¼åºè¯¥æ¯6144831/1024=6000Mï¼ä¹å°±æ¯6Gå·¦å³ï¼å
¶å®æ²¡æè¿ä¹éº»ç¦ï¼ç²ç¥ççä¸ä¸æå°æ°ç¹åå移å¨ä¸ä½ï¼å°±ç¥é大约çä½ç§¯æå¤å¤§äºï¼
System表示çæ件系ç»ï¼æ¯å¦/dev/hda1æ¯NTFSæ ¼å¼çï¼/dev/hda2表示æ¯fat32æ ¼å¼çæ件系ç»ï¼.
å¨æ¤ä¾ä¸ï¼æ们è¦ç¹å«æ³¨æçæ¯/dev/hda3ååºï¼è¿æ¯æ©å±ååºï¼ä»ä¸é¢å
å«çé»è¾ååºï¼å
¶å®è¿ä¸ªååºç¸å½äºä¸ä¸ªå®¹å¨ï¼ä»å±äºå¥¹çæhda5,hda6,hda7,hda8,hda9ï¼
æ们è¿æ³¨æå°ä¸ç¹ï¼æä¹æ²¡æhda4å¢ï¼ä¸ºä»ä¹hda4没æå
å«å¨æ©å±ååºï¼ä¸ä¸ªç£çæå¤æå个主ååºï¼hda1-4ç®é½æ¯ä¸»ååºï¼hda4ä¸å¯è½å
å«å¨æ©å±ååºéï¼å¦å¤æ©å±ååºä¹ç®ä¸»ååºï¼å¨æ¬ä¾ä¸ï¼æ²¡æhda4è¿ä¸ªååºï¼å½ç¶æ们å¯ä»¥æå
¶ä¸çä¸ä¸ªååºè®¾ç½®ä¸ºä¸»ååºï¼åªæ¯æå½æ¶ååºçæ¶å没æè¿ä¹åèå·²ï¼
åä»ç»ç»è®¡ä¸ä¸ï¼æ们çä¸çè¿ä¸ªç£çæ¯ä¸æ¯è¿æ空é´ï¼hda1+hda2+hda3=å®é
å·²ç»ååºçä½ç§¯ï¼æ以æ们å¯ä»¥è¿æ ·ç®hda1+hda2+hda3=6144831+16386300+39728745 =62259876 (b)ï¼æ¢ç®æMåä½ï¼å°æ°ç¹åå移ä¸ä½ï¼æ以ç®åå·²ç»åå好çååºå¤§çº¦å ç¨ä½ç§¯æ¯62259.876(M)ï¼å
¶å®æ精确ç计ç®62259876/1024=60800.67ï¼Mï¼ï¼èè¿ä¸ªç£ç大å°æ¯80.0 GBï¼80026361856byte)ï¼å
¶å®å®é
大å°ä¹å°±æ¯78150.744ï¼Mï¼ï¼éè¿æ们ä¸ç³»åç计ç®ï¼æ们å¯ä»¥å¾åºè¿ä¸ªç¡¬çç®åè¿æ使ç¨ç空é´ï¼å¤§çº¦è¿æ18Gæªååºç空é´ï¼
fdisk -lè½ååºæºå¨ä¸ææç£çç个æ°ï¼ä¹è½ååºææç£çååºæ
åµï¼æ¯å¦ï¼
[root@localhost beinan]# fdisk -l
Disk /dev/hda: 80.0 GB, 80026361856 bytes
255 heads, 63 sectors/track, 9729 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/hda1 * 1 765 6144831 7 HPFS/NTFS
/dev/hda2 766 2805 16386300 c W95 FAT32 (LBA)
/dev/hda3 2806 7751 39728745 5 Extended
/dev/hda5 2806 3825 8193118+ 83 Linux
/dev/hda6 3826 5100 10241406 83 Linux
/dev/hda7 5101 5198 787153+ 82 Linux swap / Solaris
/dev/hda8 5199 6657 11719386 83 Linux
/dev/hda9 6658 7751 8787523+ 83 Linux
Disk /dev/sda: 60.0 GB, 60011642880 bytes
64 heads, 32 sectors/track, 57231 cylinders
Units = cylinders of 2048 * 512 = 1048576 bytes
Device Boot Start End Blocks Id System
/dev/sda1 1 57231 58604528 83 Linux
éè¿ä¸é¢æ们å¯ä»¥ç¥éæ¤æºå¨æ两å硬çï¼æ们ä¹å¯ä»¥æå®fdisk -læ¥æ¥çå
¶ä¸ä¸ä¸ªç¡¬ççååºæ
åµï¼
[root@localhost beinan]# fdisk -l /dev/sda
Disk /dev/sda: 60.0 GB, 60011642880 bytes
64 heads, 32 sectors/track, 57231 cylinders
Units = cylinders of 2048 * 512 = 1048576 bytes
Device Boot Start End Blocks Id System
/dev/sda1 1 57231 58604528 83 Linux
éè¿ä¸é¢æ
åµå¯ä»¥ç¥éï¼å¨/dev/sdaè¿ä¸ªç£çä¸ï¼åªæä¸ä¸ªååºï¼ä½¿ç¨éå·®ä¸å¤æ¯ç¾åç¾äºï¼
æ们è¿å¯ä»¥æ¥æ¥ç/dev/hdaç
[root@localhost beinan]# fdisk -l /dev/hda
èªå·±è¯è¯çï¼
ä¸ãcfdiskæ¥èªäºutil-linuxç软件å
ï¼
cfdiskä¹æ¯ä¸æ¬¾ä¸éçååºå·¥å
·ï¼å¨æäºåè¡çä¸ï¼æ¤å·¥å
·å·²ç»ä»util-linuxå
ä¸åé¤ï¼cfdiskç®åæç¨æ¯ä»çç¹ç¹ï¼åDOSä¸çfdiskç¸ä¼¼ï¼å¨æ¬æ é¢ä¸ï¼æ们åªæ¥è§£è¯´å¦ä½æ¥çæºå¨çä¸çç£çååºç¶åµåæç¨çæ件系ç»çï¼
æ¥çç£çååºçç¨æ³cfdisk -Psç£ç设å¤åï¼
æ¯å¦
[root@localhost beinan]cfdisk -Ps
[root@localhost beinan]cfdisk -Ps /dev/hda
[root@localhost beinan]cfdisk -Ps
Partition Table for /dev/hda
First Last
# Type Sector Sector Offset Length Filesystem Type (ID) Flag
-- ------- ----------- ----------- ------ ----------- ------------------------
1 Primary 0 23438834 63 23438835 Linux (83) Boot
2 Primary 23438835 156296384 0 132857550 Extended (05) None
5 Logical 23438835 155268224 63 131829390 Linux (83) None
6 Logical 155268225 156296384 63 1028160 Linux swap (82) None
æ们åªç¨çåæ°-Psï¼å°±ååºäºç£ççååºæ
åµï¼ç®åå¨Slackware DebianMandrakeç主æµåè¡çä¸åå¨cfdiskï¼èfedora 4.0æè¿ä¸ªå°å·¥å
·åé¤äºï¼æç¹å¯æï¼è¿æ¯æå¨Slackwareä¸æä½çï¼
å¦ææ¨è¿æ ·æä½ï¼å°±æ´ç´è§äºï¼
[root@localhost beinan]cfdiskç£ç设å¤å
举ä¾ï¼
[root@localhost beinan]cfdisk /dev/hda
æ¨æçå°çæ¯å¦ä¸ç模å¼ï¼
cfdisk 2.12a
Disk Drive: /dev/hda
Size: 80026361856 bytes, 80.0 GB
Heads: 255 Sectors per Track: 63 Cylinders: 9729
Name Flags Part Type FS Type [Label] Size (MB)
-------------------------------------------------------------------------------------------
hda1 Boot Primary Linux ReiserFS 12000.69
hda5 Logical Linux ReiserFS 67496.65
hda6 Logical Linux swap 526.42
[Bootable] [ Delete ] [ Help ] [Maximize] [ Print ] [ Quit ]
[ Type ] [ Units ] [ Write ]
Toggle bootable flag of the current partition
æ¨è¿å
¥äºcfdiskçæä½çé¢ï¼ç¨é®ç移å¨æéå°[Quit]å°±å¯ä»¥éåºï¼
åãpartedåè½ä¸éçååºå·¥å
·ï¼å¨Fedora 4.0ä¸æ带ï¼å¯ä»¥èªå·±å®è£
ä¸ï¼å¨æ¤ä¸»é¢ä¸ï¼æ们åªè¯´å¦ä½æ¥çç£ççååºæ
åµï¼
è°ç¨æ¹æ³ç®åï¼partedé»è®¤æ¯æå¼ç设å¤æ¯/dev/hdaï¼ä¹å¯ä»¥èªå·±æå®ï¼æ¯å¦parted /dev/hdaæ/dev/sdaçï¼éåºçæ¹æ³æ¯quit
[root@localhost beinan]# parted
使ç¨/dev/hda
(parted) p
/dev/hdaçç£çå ä½ç»æï¼0.000-76319.085å
åè
ç£çæ ç¾ç±»åï¼msdos
Minorèµ·å§ç¹ç»æ¢ç¹ç±»åæ件系ç»æ å¿
1 0.031 6000.842主ååºntfså¯å¨
2 6000.842 22003.088主ååºfat32 lba
3 22003.088 60800.690æ©å±ååº
5 22003.119 30004.211é»è¾ååºreiserfs
6 30004.242 40005.615é»è¾ååºreiserfs
7 40005.646 40774.350é»è¾ååºlinux-swap
8 40774.381 52219.094é»è¾ååºext3
9 52219.125 60800.690é»è¾ååºreiserfs
æ们å¨partdçæä½é¢ä¸ï¼ç¨på°±å¯ä»¥ååºå½åç£ççååºæ
åµï¼å¦ææ³è¦æ¥çå
¶å®ç£çï¼å¯ä»¥ç¨selectåè½ï¼æ¯å¦select /dev/sdaï¼
äºãqtpartedï¼ä¸partedç¸å
³ç软件è¿æqtpartedï¼ä¹è½æ¥çå°ç£ççç»æåæç¨çæ件系ç»ï¼æ¯å¾å½¢åçï¼
[beinan@localhost ~]# qtparted
å¾å½¢åçæ¥çï¼ä¸ç®äºç¶ï¼
å
ãsfdiskä¹æ¯ä¸ä¸ªååºå·¥å
·ï¼åè½ä¹å¤å¤ï¼æ们å¨è¿éåªè¯´ä»çåç£çååºæ
åµçåè½ï¼
[root@localhost beinan]# sfdisk -l
èªå·±ççå§ï¼
sfdiskæå 个å¾æç¨çåè½ï¼æå
´è¶£çå¼å
ä¸å¦¨ççï¼
ä¸ãpartxä¹ç®è¦ç说ä¸è¯´ï¼æäºç³»ç»èªå¸¦äºè¿ä¸ªå·¥å
·ï¼åè½ä¹ç®åï¼åfdiskãpartedãcfdiskæ¥è¯´ä¸å¼ä¸æï¼ä¸ç¨ä¹ç½¢ï¼
ç¨æ³ï¼partx设å¤å
[root@localhost beinan]# partx /dev/hda
# 1: 63- 12289724 ( 12289662 sectors, 6292 MB)
# 2: 12289725- 45062324 ( 32772600 sectors, 16779 MB)
# 3: 45062325-124519814 ( 79457490 sectors, 40682 MB)
# 4: 0- -1 ( 0 sectors, 0 MB)
# 5: 45062388- 61448624 ( 16386237 sectors, 8389 MB)
# 6: 61448688- 81931499 ( 20482812 sectors, 10487 MB)
# 7: 81931563- 83505869 ( 1574307 sectors, 806 MB)
# 8: 83505933-106944704 ( 23438772 sectors, 12000 MB)
# 9: 106944768-124519814 ( 17575047 sectors, 8998 MB)
å
«ãæ¥çç®åæºå¨ä¸çææç£çåååºæ
åµï¼
[beinan@localhost ~]$ cat /proc/partitions
major minor #blocks name
3 0 78150744 hda
3 1 6144831 hda1
3 2 16386300 hda2
3 5 8193118 hda5
3 6 10241406 hda6
3 7 787153 hda7
3 8 11719386 hda8
3 9 8787523 hda9
8 0 58605120 sda
8 1 58604528sda1
温馨提示:答案为网友推荐,仅供参考