{"id":113,"date":"2009-09-10T11:43:09","date_gmt":"2009-09-10T11:43:09","guid":{"rendered":"http:\/\/kumouse.aafox.com\/?p=113"},"modified":"2009-09-10T11:43:09","modified_gmt":"2009-09-10T11:43:09","slug":"nfs-%e6%9c%8d%e5%8a%a1%e5%99%a8-%e8%af%a6%e7%bb%86%e9%85%8d%e7%bd%ae-%e7%ac%94%e8%ae%b0","status":"publish","type":"post","link":"https:\/\/www.kumouse.com\/?p=113","title":{"rendered":"NFS \u670d\u52a1\u5668 \u8be6\u7ec6\u914d\u7f6e \u7b14\u8bb0"},"content":{"rendered":"

NFS\u8be6\u7ec6\u8bbe\u7f6e<\/p>\n

1.\u51c6\u5907\u5de5\u4f5c
NFS\u4e0eRPC
\u542f\u52a8NFS\u4e4b\u524d\u8981\u5148\u542f\u52a8RPC(\u4e00\u822c\u7cfb\u7edf\u9ed8\u8ba4\u542f\u52a8),\u5426\u5219NFS\u65e0\u6cd5\u5411RPC\u6ce8\u518c<\/p>\n

2.\u8fd0\u884cNFS\u8981\u542f\u52a8\u7684RPC daemons
  1.rpc.nfsd
    \u7ba1\u7406\u662f\u5426\u53ef\u4ee5\u767b\u9646\u4e3b\u673a\u548c\u7ba1\u7406\u767b\u5165\u8005\u7684ID
  2.rpc.mountd
    \u5224\u65adNFS\u6587\u7cfb\u7edf\u7684\u6743\u9650
  3.rpc.lockd(\u53ef\u9009)
    \u53ef\u4ee5\u7ba1\u7406\u6587\u4ef6\u7684\u9501\u5b9a
  4.rpc.statd  (\u53ef\u9009)
    \u68c0\u67e5\u6587\u4ef6\u7684\u4e00\u5230\u81f4\u6027<\/p>\n

\u63d0\u793a:\u8981\u5f04\u6e05NFS\u670d\u52a1\u5668\u4e0e\u767b\u5165\u8005\u4e3b\u673a\u4e0a\u7684\u7528\u6237\u7684\u5bf9\u5e94\u5173\u7cfb,\u8fd9\u4e2a\u5f88\u91cd\u8981<\/p>\n

3.NFS\u7684\u7ed3\u6784
NFS\u4e3b\u7a0b\u5e8f\u4e3anfs-utils
RPC\u4e3b\u7a0b\u5e8f\u4e3aportmap
———————
  1.\/etc\/exports
  \u4e3b\u8981\u7684\u914d\u7f6e\u6587\u4ef6
  \/tmp  192.168.1.0\/24(ro)  localhost(rw)  *.kumouse.com(ro.sync)
  \u53ef\u7528\u7684\u53c2\u6570
  rw:\u53ef\u8bfb\u5199
  ro:\u53ea\u8bfb
  sync\uff1a\u540c\u6b65\u5199\u5165
  async:\u5148\u6682\u5b58\u4e8e\u5185\u5b58\u4e2d
  no_root_squash:\u5982\u679c\u662froot\uff0c\u5219\u4ee5root\u7684\u6743\u9650\u8bbf\u95ee
  root_squash:\u5982\u679c\u662froot\uff0c\u5219\u538b\u7f29\u6210\u533f\u540d\u7528\u6237
  all_squash:\u5c06\u6240\u6709\u767b\u9646\u7528\u6237\u538b\u7f29\u6210\u533f\u540d\u7528\u6237
  anonuid:\u5c06\u533f\u540d\u8005\u53d8\u4e3a\u6307\u5b9a\u7684uid
  anongid:\u533f\u540d\u8005\u6307\u5b9agid<\/p>\n

  \u6ce8\u610f:\u53ea\u6709\u57df\u540d\u53ef\u4ee5\u4f7f\u7528\u901a\u914d\u7b26,IP\u4e0d\u53ef\u4ee5\u7528\u901a\u914d\u7b26
———————
  2.\/usr\/sbin\/exportfs
    \u53d8\u66f4\u5171\u4eab\u76ee\u5f55\u7684\u547d\u4ee4
  \u53c2\u6570:
    -a:\u5168\u90e8\u6302\u8f7d\u6216\u5378\u8f7d\/etc\/exports\u5185\u7684\u8bbe\u7f6e
    -r:\u91cd\u65b0\u6302\u8f7d\/etc\/exports\u91cc\u7684\u8bbe\u7f6e
    -u:\u5378\u8f7d\u67d0\u4e00\u76ee\u5f55
    -v:\u5728exports\u6267\u884c\u7684\u65f6\u5019,\u5c06\u5171\u4eab\u76ee\u5f55\u663e\u793a\u51fa\u6765
  \u4f8b:  exportfs -arv #\u91cd\u65b0\u6302\u8f7d\u6240\u6709
    exportfs -auv #\u5168\u90e8\u5378\u8f7d<\/p>\n

———————
  3.\/usr\/sbin\/showmount
    \u5ba2\u6237\u7aef\u7528\u6765\u67e5\u770b\u5171\u4eab\u8d44\u6e90\u7684
    showmount -a 192.168.1.22 \u67e5\u770b\u8054\u673a\u72b6\u6001
    showmount -e 192.168.1.22 \u67e5\u770b\u4e3b\u673a\u5171\u4eab\u7684\u76ee\u5f55\u6570\u636e
———————
  4.\/var\/lib\/nfs\/*tab
    NFS\u670d\u52a1\u5668\u7684\u65e5\u5fd7,\u4e3b\u8981\u6709etab:\u76ee\u5f55\u7684\u5b8c\u6574\u6743\u9650.xtab:\u8fde\u63a5\u5230\u6b64\u670d\u52a1\u5668\u7684\u5ba2\u6237\u7aef\u6570\u636e
———————<\/p>\n

4 \u542f\u52a8
\/etc\/init.d\/portmap start #\u542f\u52a8RPC
\/etc\/init.d\/nfs start #\u542f\u52a8NFS<\/p>\n

rpcinfo -p localhost #\u67e5\u770bRPC\u7684\u6ce8\u518c\u60c5\u51b5<\/p>\n

5.\u8054\u673a
[root@centos mydisk]# showmount -e 192.168.1.22
Export list for 192.168.1.22:
\/home\/tftpboot 192.168.1.0\/24
\/home\/save 192.168.1.0\/24
\/home\/iso 192.168.1.0\/24<\/p>\n

6.NFS\u5b89\u5168
———————-
  1.iptables.allow
  iptalbes -A INPUT -i $EXTIF -p TCP -s 192.168.0.0\/24 –dport 111 -j ACCEPT
  iptalbes -A INPUT -i $EXTIF -p UDP -s 192.168.0.0\/24 –dport 111 -j ACCEPT
  2.tcp wrappers
  \/etc\/hosts.allow
  mountd:192.168.1.0\/255.255.255.0
  \/etc\/hosts.deny
  mountd:ALL
  3.\u5173\u673a
  \u5148\u5173portmap\u7136\u540enfs
  \u7528netstat -utlp\u627e\u51faPID KILL\u4e86\u4ed6
———————–<\/p>\n

7.\u8fdc\u7a0b\u6302\u8f7d mount
\u6302\u8f7d\u7684\u53c2\u6570
suid\u4e0enosuid:\u5f00\u653e\u6216\u53d6\u6d88SUID\u529f\u80fd,\u9ed8\u8ba4\u4e3asuid
rw,ro:\u6307\u5b9a\u53ef\u8bfb\u5199\u6216\u53ea\u8bfb,\u9ed8\u8ba4\u4e3arw
dev,nodev:\u662f\u5426\u53ef\u4ee5\u4fdd\u7559\u88c5\u7f6e\u6587\u4ef6\u7684\u7279\u6b8a\u529f\u80fd,\u9ed8\u8ba4\u4e3adev
exec,noexec:\u662f\u5426\u5177\u6709\u53ef\u6267\u884c\u6743\u9650,\u9ed8\u8ba4\u4e3aexec
user,nouser:\u662f\u5426\u5177\u6709\u8fdb\u884c\u6302\u8f7d\u4e0e\u5378\u8f7d\u7684\u529f\u80fd,\u9ed8\u8ba4\u4e3anouser
auto,noauto:\u6307mount-a\u65f6\u4f1a\u4e0d\u4f1a\u88ab\u6302\u8f7d\u7684\u9879\u76ee,\u5982\u4e0d\u9700\u8981\u53ef\u8bbe\u4e3anoauto,\u9ed8\u8ba4\u4e3aauto<\/p>\n

fg,bg:\u524d\u53f0\u6267\u884c\u6216\u540e\u53f0\u6267\u884c,\u9ed8\u8ba4\u4e3afg
soft,hard:\u662f\u5426\u5728\u6302\u8f7d\u65f6\u6301\u7eed\u547c\u53eb,\u9ed8\u8ba4\u4e3ahard,\u5efa\u8bae\u7528soft
intr:\u52a0\u4e0a\u5b83,\u82e5\u4f7f\u7528hard\u65b9\u5f0f\u65f6,RPC\u547c\u53eb\u53ef\u4ee5\u88ab\u4e2d\u65ad
rsize,wsize:\u5199\u7f13\u51b2\u533a\u4e0e\u8bfb\u7f13\u51b2\u533a,\u53ef\u63d0\u9ad8\u6027\u80fd,\u5f88\u91cd\u8981<\/p>\n

\u4f8b:mount -t nfs -o nosuid,noexec,nodev,rw,bg,soft,rsize=32768,wsize=32768 192.168.1.22:\/home\/iso \/iso
\u6ce8\u610f:\u4e24\u4e2a\u7f13\u51b2\u533a\u5f88\u91cd\u8981,\u5982\u679c\u4e0d\u8bbe\u7f6eNFS\u7684\u6027\u80fd\u4f1a\u975e\u5e38\u4f4e,\u4e0d\u4f1a\u8d85\u8fc71M\/S,\u5207\u8bb0,\u6211\u8bd5\u8fc7\u4e86
\u670d\u52a1\u5668\/etc\/exports\u4e2d\u53ef\u4ee5\u7528async\u65b9\u5f0f\u63d0\u9ad8\u6027\u80fd,\u9ed8\u8ba4\u662fsync,\u5173\u673a\u65f6\u522b\u5fd8\u4e86\u7528sync\u56de\u5199<\/p>\n

8.\u5f00\u673a\u6302\u8f7d
\/etc\/fstab
192.168.1.22:\/home\/iso  \/iso  nfs  nosuid,noexec,nodev,rw,bg,soft,rsize=32768,wsize=32768  0  0<\/p>\n

autofs\u7684\u4f7f\u7528
\/etc\/auto.master
\/iso  \/etc\/auto.nfs<\/p>\n

\/etc\/auto.nfs
iso  -rw,bg,soft,rsize=32768,wsize=32768  192.168.1.22:\/home\/iso<\/p>\n","protected":false},"excerpt":{"rendered":"

NFS\u8be6\u7ec6\u8bbe\u7f6e 1.\u51c6\u5907\u5de5\u4f5cNFS\u4e0eRPC\u542f\u52a8NFS\u4e4b\u524d\u8981\u5148\u542f\u52a8RPC(\u4e00\u822c\u7cfb\u7edf\u9ed8\u8ba4\u542f\u52a8),\u5426\u5219NFS\u65e0\u6cd5\u5411R […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-113","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/www.kumouse.com\/index.php?rest_route=\/wp\/v2\/posts\/113","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kumouse.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kumouse.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kumouse.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kumouse.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=113"}],"version-history":[{"count":0,"href":"https:\/\/www.kumouse.com\/index.php?rest_route=\/wp\/v2\/posts\/113\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.kumouse.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=113"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kumouse.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=113"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kumouse.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=113"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}