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¶þ¡¢mount.nfs: Input/output error
½â¾ö:ÔÚ¿Í»§¶ËÒ²ÐèÆô¶¯portmap
Èý¡¢ÐÞ¸ÄÍê±Ï/etc/exportsÎļþÖ®ºó£¬¿ÉÒÔÖØÆônfs·þÎñ£¬Ò²¿ÉÒÔʹÓÃexportfsÃüÁîÖØÐ¼ÓÔØexportsÎļþ(/usr/sbin/exportfs -a
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exportfsÃüÁîÏê½âhttp://study.chyangwa.com/IT/AIX/aixcmds2/exportfs.htm
Ô­Ìù:http://linux.chinaunix.net/bbs/archiver/?tid-905711.html
2007-8-8 14:40
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ÊÖ°ÑÊÖ½ÌÄãLinuxϵͳÏ¿ìËÙÉèÖÃNFS
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[root@localhost /]# cat /etc/redhat-release
Red Hat Enterprise Linux AS release 4 (Nahant Update 4)
1¡¢¼ì²éportmap·þÎñÔËÐÐ״̬£¨ÒòΪNFS¼°Æä¸¨Öú³ÌÐò¶¼ÊÇ»ùÓÚRPCµÄ£¬ËùÒÔÎÒÃÇҪȷ±£ÏµÍ³ÖÐÊ×ÏÈÔËÐÐportmap·þÎñ£©
[root@localhost /]# id
uid=0(root) gid=0(root) groups=0(root),1(bin),2(daemon),3(sys),4(adm),6(disk),10(wheel) context=root:system_r:unconfined_t
[root@localhost /]# service portmap status
portmap is stopped
½á¹ûÏÔʾportmap·þÎñÊÇÍ£Ö¹µÄ£¬¿ÉÒÔͨ¹ýÒÔÏÂÃüÁîÆô¶¯¸Ã·þÎñ£º
[root@localhost /]# service portmap start
Starting portmap: [  OK  ]
[root@localhost /]# service portmap status
portmap (pid 11085) is running...
½á¹ûÏÔʾportmap·þÎñÒÑ´¦ÓÚ“running”״̬¡£
2¡¢¼ì²énfs·þÎñÔËÐÐ״̬
[root@localhost /]# service nfs status
Shutting down NFS mountd: rpc.mountd is stopped
nfsd is stopped
rpc.rquotad is stopped
½á¹ûÏÔʾnfs·þÎñÊÇÍ£Ö¹µÄ£¬¿ÉÒÔͨ¹ýÒÔÏÂÃüÁîÆô¶¯¸Ã·þÎñ£º
[root@localhost /]# service nfs start
Starting NFS services:  [  OK  ]
Starting NFS quotas: [  OK  ]
Starting NFS daemon: [  OK  ]
Starting NFS mountd: [  OK  ]
´ËʱÀ´¼ì²éÒ»ÏÂnfs·þÎñÔËÐÐ״̬£¬ÓÉÏ¿ÉÖª£¬nfs·þÎñÒÑÆôÓá£
[root@localhost /]# service nfs status
Shutting down NFS mountd: rpc.mountd (pid 11155) is running...
nfsd (pid 11151 11148 11147 11146 11145


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#mknod /dev/mygpio c 230 0 (230ÊÇÖ÷É豸ºÅ£¬0ÊÇ×ÓÉ豸ºÅ£©
{ÕâÀï¿ÉÒÔÐÞ¸ÄÉ豸Ãû³Æ,µ«ÊÇÒªºÍ²âÊÔ³ÌÐòÖÐÒ»Ö fd_pio = open(“/dev/mygpio”, O_RDWR);
×îºÃºÍregister_chrdev(MY_PIO_MAJOR, "mygpio", &my_pio_fops)ÖеÄÒ»ÖÂ}
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[root@gupt aaaa]# ll
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dr-xr-xr-x  6 root root   4096
2009-01-17  configuration
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