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LinuxÏÂÅäÖð²×°NFS

LinuxÏÂÅäÖð²×°NFS
http://blog.chinaunix.net/u1/34252/showart_264236.html
1.1NFS¸ÅÊö
NFS(Network File System)ÊÇÒ»ÖÖ·Ö²¼Ê½Îļþϵͳ£¬ÔÊÐíÍøÂçÖеݲװ²»Í¬²Ù×÷ϵͳµÄ¼ÆËã»ú¼ä¹²ÏíÎļþºÍÍâÉ裬ËùÒÔËüµÄͨѶЭ¶¨Éè¼ÆÓëÖ÷»ú¼°×÷ҵϵͳÎÞ¹Ø. ËüÊÇÓÉSUN¹«Ë¾ÓÚ1984ÄêÍÆ³ö£¬Ê¹µÃ¿ÉÒÔ±¾µØ»úÒ»ÑùµÄʹÓÃÁíһ̨ÁªÍø¼ÆËã»úµÄÎļþºÍÍâÉè¡£NFSÔÚÎļþ´«ËÍ»òÐÅÏ¢´«Ë͹ý³ÌÖÐÒÀÀµÓÚRPCЭÒé¡£NFS µÄµ±Ç°°æ±¾ÊÇV4£¨RFC3010£©
RPC, Ô¶³Ì¹ý³Ìµ÷Óà (remote procedure call) ÊÇÄÜʹ¿Í»§¶ËÖ´ÐÐÆäËûϵͳÖгÌÐòµÄÒ»ÖÖ»úÖÆ¡£ÓÉÓÚʹÓà RPC µÄ³ÌÐò²»±ØÁ˽âÖ§³ÖͨÐŵÄÍøÂçЭÒéµÄÇé¿ö£¬Òò´Ë RPC Ìá¸ßÁ˳ÌÐòµÄ»¥²Ù×÷ÐÔ¡£³£ÓÃÓÚ·Ö²¼Ê½¿Í»§¶Ë/·þÎñÆ÷Ä£ÐÍ£¬·¢³öÇëÇóµÄ³ÌÐòÊǿͻ§³ÌÐò£¬¶øÌṩ·þÎñµÄ³ÌÐòÊÇ·þÎñÆ÷¡£
1.2 NFSµÄ°²×°
NFSµÄ°²×°ÊǷdz£¼òµ¥µÄ£¬Ö»ÐèÒªÁ½¸öÈí¼þ°ü¼´¿É£¬¶øÇÒÔÚͨ³£Çé¿öÏ£¬ÊÇ×÷ΪϵͳµÄĬÈϰü°²×°µÄ£¬ÔÚÅäÖÃʹÓÃNFS֮ǰÐèÒªÏȲéѯËùÐèµÄÈí¼þ°üÊÇ·ñÒѰ²×°.
# rpm -q nfs-utils portmap
nfs-utils-1.0.6-70.EL4
portmap-4.0-63
//Èç¹û³öÏÖ°üµÄÐÅÏ¢£¬Ôò±íʾÒѰ²×°ÁËnfs-utils portmapÁ½¸öÈí¼þ°ü
1.3 NFS°²×°°üÎļþ
È統ǰϵͳÖÐûÓа²×°NFSËùÐèµÄʹÓõÄÈí¼þ°ü£¬ÐèÒªÊÖ¹¤½øÐа²×°¡£nfs-utilsºÍportmapÁ½¸ö°üµÄ°²×°ÎļþÔÚϵͳ¹âÅÌÖж¼»áÓС£
nfs-utils-1.0.6-70.EL4.i386.rpm
portmap-4.0-63.i386.rpm
1.4 PortmapÈí¼þ°ü
portmapÈí¼þ°üÖеÄportmap·þÎñ£¬ÎªNFSºÍNISµÈÌṩPRC·þÎñµÄÖ§³Ö£¬Òò´ËÔÚ°²×°NFSʱ¾ÍÏȰ²×°portmapÈí¼þ°ü.
rpm -ql portmapl
/etc/rc.d/init.d/portmap
/sbin/portmap
1.5 nfs-utilsÈí¼þ°ü
nfs-utilsÈí¼þ°üÌṩÁËNFS·þÎñÆ÷³ÌÐòºÍÏàÓ¦µÄ¹ÜÀí¹¤¾ß¡£
rpm -ql nfs-utils
1.6 NFS·þÎñÆ÷µÄÅäÖÃ
NFS·þÎñÆ÷µÄÅäÖÃÏà¶Ô±È½Ï¼òµ¥£¬Ö»ÐèÒªÔÚÏàÓ¦µÄÅäÖÃÎļþÖнøÐÐÉèÖã¬È»ºóÆô¶¯NFS·þÎñÆ÷¼´¿É.
1.7 NFS·þÎñÆ÷µÄÅäÖÃÎļþ-------------------exports
exportsÎļþÔÚĿ¼“/etc”Ï£¬ÓÃÓÚÅäÖÃNFS·þÎñÆ÷ËùÌṩµÄĿ¼¹²Ïí¡£exportsµÄºÚÒ¹ÉèÖÃΪ¿Õ£¬Ã»ÓÐÊä³öÈκεÄĿ¼¹²Ïí£¬ÕâÒ²ÊdzöÓÚ°²È«¿¼ÂÇ£¬ÕâÑù¼´Ê¹Æô¶¯ÁËNFS ·þÎñÒ²²»»áÌṩÈκεĹ²Ïí¡£
1.8 exportsÎļþµÄ¸ñʽ
exportsÎļþÖÐÿÐÐÌṩһ¸ö¹²ÏíµÄĿ¼£¬ÉèÖÃÐеĸñʽÈçÏÂËùʾ£º
ÒªÊä³öµÄ¹²ÏíĿ¼ ¿Í»§¶ËÖ÷»úµÄµØÖ·£¨ÉèÖÃÏÈÏ
/www/chinafu *(sync,ro)
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