exportfs 8
目录
exportfs
NAMEæ¦è¿° (SYNOPSIS)
æè¿° (DESCRIPTION)
é项 (OPTIONS)
讨论 (DISCUSSION)
å±äº«ç®å½ (Exporting Directories)
åæ¶å±äº« (Unexporting Directories)
è·åå±äº«è¡¨ (Dumping the Export Table)
èä¾ (EXAMPLES)
ä¾èµæ§ (DEPENDENCIES)
åè§ (SEE ALSO)
ä½è (AUTHORS)
[ä¸æçç»´æ¤äºº]
[ä¸æçææ°æ´æ°]
ãä¸å½linux论åmanæå页翻è¯è®¡åã:
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NAME
exportfs - 管çNFSå±äº«æ件系ç»å表
æ¦è¿° (SYNOPSIS)
/usr/sbin/exportfs
[-avi] [-o options,..]
[client:/path ..]
/usr/sbin/exportfs -r [-v]
/usr/sbin/exportfs [-av] -u [client:/path ..]
/usr/sbin/exportfs [-v]
/usr/sbin/exportfs -f
æè¿° (DESCRIPTION)
exportfs å½ä»¤ç¨æ¥ç®¡çå½åNFSå±äº«çæ件系ç»å表ã è¿ä¸ªå表ä¿å- å¨ä¸ä¸ªåç¬çæ件 /var/lib/nfs/xtab ä¸- ï¼å½è¿ç«¯ä¸»æºè¦æ±å¯¹ä¸ä¸ªæ件系ç»æ å 载并访é®æ¶ç± mountd 读åï¼å表ä¸æ´»å¨çä¸é¨åä¹ä¿åå¨å¨åæ ¸å±äº«è¡¨ä¸ã
é常 xtab å¨æ§è¡ exportfs -a.
çæ¶åï¼æ ¹æ® /etc/exports ä¸å®ä¹çå±äº«å表æ¥åå§åã ä½æ¯ï¼ç®¡çåå¯ä»¥éæ©æ·»å æå é¤ç¬ç«çæ件系ç»ï¼ä¸å¿ä¿®æ¹ /etc/exports ï¼åªè¦æ§è¡ exportfs å°±å¯ä»¥äºã
exportfs åå®çåä½è mountd å·¥ä½å¨ä¸¤ç§æ¨¡å¼ä¹ä¸ï¼ä¸ç§æ¯2.4以åæ©æçåæ ¸éç¨çä¼ ç»æ¨¡å¼ï¼ å¦ä¸ç§æ¯2.6以ååæ ¸éç¨ç模å¼ã 2.6ä¹åçåæ ¸æä¾äº nfsd èææ件系ç»ï¼æè½½ç¹æ¯ /proc/fs/nfsã å¨2.6åæ ¸ä¸- å¦æ没ææè½½è¿ä¸ªç³»ç»ï¼å°ä½¿ç¨ä¼ ç»æ¨¡å¼ã
å¨æ°æ¨¡å¼ä¸ï¼ exportfs ä¸ä¸ºåæ ¸æä¾ä»»ä½ä¿¡æ¯ï¼åªéè¿ /var/lib/nfs/xtab æ件å°ä¿¡æ¯æä¾ç» mountd ã mountd å°çå¾åæ ¸è¯·æ±ï¼æä¾éè¦çä¿¡æ¯ã
å¨ä¼ ç»æ¨¡å¼ä¸ï¼ä»»ä½æ è¯äºä¸å°ç¹å®ä¸»æº(èä¸æ¯ä¸ä¸ªåç½ææ¯ä¸ä¸ªå·¥ä½ç»)ç å±äº«è¯·æ±ä¼ç´æ¥è¿å¥åæ ¸å±äº«è¡¨ï¼åæ¶åå¥ /var/lib/nfs/xtab. çè³äºï¼ä»»ä½åå¨ /var/lib/nfs/rmtab ä¸- çæè½½ç¹ï¼åªè¦å®ç¬¦åä¸ä¸ªä¸æå®ä¸»æºçå±äº«è¯·æ±ï¼å°ä½¿å¾ rmtab ç»åºç主æºçä¸ä¸ªéå½çå±äº«æ¡ç®è¿å¥åæ ¸çå±äº«è¡¨ä¸ã
é项 (OPTIONS)
|
-a |
æå¼æåæ¶ææç®å½å±äº«ã |
-o options,...
æå®ä¸åå±äº«é项ï¼ä¸ exports(5) ä¸è®²å°ç类似ã
|
-i |
å¿½ç¥ /etc/exports æ件ï¼ä»èåªä½¿ç¨é»è®¤çåå½ä»¤è¡æå®çé项ã | ||
|
-r |
éæ°å±äº«ææç®å½ãå®ä½¿ /var/lib/nfs/xtab å /etc/exports åæ¥ã å®å° /etc/exports ä¸å·²å é¤çæ¡ç®ä» /var/lib/nfs/xtab ä¸- å é¤ï¼å°åæ ¸å±äº«è¡¨ä¸ä»»ä½ä¸åææçæ¡ç®ç§»é¤ã | ||
|
-u |
åæ¶ä¸ä¸ªæå¤ä¸ªç®å½çå±äº«ã | ||
|
-f |
å¨âæ°â模å¼ä¸ï¼å·æ°åæ ¸å±äº«è¡¨ä¹å¤çä»»ä½ä¸è¥¿ã ä»»ä½æ´»å¨ç客æ·ç¨åºå°å¨å®ä»¬çä¸æ¬¡è¯·æ±ä¸å¾å° mountd æ·»å çæ°çå±äº«æ¡ç®ã | ||
|
-v |
è¾åºè¯¦ç»ä¿¡æ¯ãå½å±äº«æèåæ¶å±äº«æ¶ï¼æ¾ç¤ºå¨åä»ä¹ã æ¾ç¤ºå½åå±äº«å表çæ¶åï¼åæ¶æ¾ç¤ºå±äº«çé项ã |
讨论 (DISCUSSION)
å±äº«ç®å½ (Exporting Directories)
第ä¸æ¡æ¦è¿°ä¸æ¾ç¤ºåºå¦ä½æ§è¡å½ä»¤æ¥æ·»å æ°çå±äº«ã å½æ§è¡ exportfs -aæ¶, ææ exports(5) ä¸çç®å½å°æ·»å å° xtab 并ä¸å°ç»æå表éè¿åæ ¸ã
host:/path åæ°æå®äºè¦å±äº«çç®å½åå¯ä»¥è®¿é®å®ç主æºã ææ exports(5) ä¸- å®ä¹çæ ¼å¼é½å¯ä»¥æ¯æã æ³è¦å°ä¸ä¸ªç®å½å±äº«ç»ææå¶ä»æºå¨ï¼åªè¦ç¨ :/path å°±å¯ä»¥äºã
è¿ç§æå®ä¸ä¸ªç¹å®ä¸»æº/ç®å½çå±äº«é项æ¥èªäºå¤ç§æ¥æºã æä¸ç³»åçé»è®¤é项ï¼å¯ä»¥å¨ /etc/exports ä¸æå®å®ä»¬(é¤éæå®äº -i é项)ã å¦å¤ï¼ç®¡çåå¯ä»¥ä½¿ç¨ -o åæ°åä¸ç³»å以éå·åéçé项æ¥è¦çææé»è®¤é项ã åæ³å°±åå¨ exports(5) ä¸ä¸æ ·ã å æ¤ï¼ exportfs å¯ä»¥ç¨æ¥ä¿®æ¹å·²ç»å±äº«çç®å½çå±äº«é项ã
nfsd(8) 对åæ ¸å±äº«è¡¨çä¿®æ¹ä¼å¨å½ä»¤è¡è§£æå xtab æ件修æ¹ä¹å马ä¸è¿è¡ã
é»è®¤çå±äº«éé¡¹æ¯ sync,ro,root_squash,no_delayã
åæ¶å±äº« (Unexporting Directories)
第ä¸ç§è¯æ³æ¾ç¤ºäºææ ·åæ¶ä¸ä¸ªå½åçå±äº«ç®å½ã å½æ§è¡ exportfs -ua, çæ¶åï¼ xtab ä¸çæææ¡ç®è¢«ä»åæ ¸å±äº«è¡¨ä¸ç§»é¤ï¼ è¿ä¸ªæ件ä¼è¢«æ¸ç©ºãè¿æ ·å¯ä»¥è¿éåæ¢ææNFSæå¡ã
è¦åæ¶åç¬çå±äº«æ¡ç®ï¼å¯ä»¥æå®ä¸ä¸ª host:/path åæ°ãè¿æ ·å é¤äº xtab ä¸- çæ¡ç®å¹¶ä¸ç§»é¤äºå¯¹åºçåæ ¸æ¡ç®(å¦ææçè¯)ã
è·åå±äº«è¡¨ (Dumping the Export Table)
æ§è¡ä¸å¸¦é项ç exportfs å°ååºå½åçå±äº«å表ãå½ç»åº -v é项æ¶ï¼ä¼ååºåèªçæ å¿ã
èä¾ (EXAMPLES)
è¿æ¡å½ä»¤å°ææ /etc/exports ä¸ååºçç®å½å å¥å° /var/lib/nfs/xtab ä¸- ï¼å°ç»æéå¥åæ ¸ï¼
# exportfs -a
å¦æè¦å° /usr/tmp ç®å½å±äº«ç» djando主æº, å许å¿ååå¥ï¼åºå½è¿æ ·ï¼
# exportfs -o async django:/usr/tmp
ä¾èµæ§ (DEPENDENCIES)
æä¾ç»IPåç½ï¼DNSåNISåçå±äº«ä¸ä¼ä½¿è¿äºå·¥ä½ç»ä¸- ç客æ·ç¨åºé©¬ä¸å°±è½è¯»åNFSï¼ è¿ç§ç±»åçå±äº«å¶å®æ¯å mountd(8) æä¾çä¿¡æ¯ï¼ä¸ºæ¥èªè¿äºå®¢æ·çæ载请æ±ææã è¿é常ä¸æ¯ä¸ä¸ªå¤§é®é¢ï¼å 为éå¯è¿ç¨ä¸ï¼ä»»ä½åå¨çå è½½é½ä¿åå¨ rmtab ä¸ã
å½åæ¶ä¸ä¸ªåç½æåçå±äº«æ¶ï¼å½åä»»ä½æä¾ç»è¿ä¸ªå·¥ä½ç»ä¸çæåçå±äº« å°è¢«æ£æ¥ãå¦æå®ä»¬ä¸åææï¼å®ä»¬å°è¢«ç§»é¤ã
åè§ (SEE ALSO)
exports(5), mountd(8)
ä½è (AUTHORS)
Olaf Kirch,
<okir@monad.swb.de>
Neil Brown, <neilb@cse.unsw.edu.au>
[ä¸æçç»´æ¤äºº]
è¢ä¹é§ <bbbush@163.com>
[ä¸æçææ°æ´æ°]
2003.10.26
ãä¸å½linux论åmanæå页翻è¯è®¡åã:
http://cmpp.linuxforum.net
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man
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