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Full Discussion: NFS problem AIX6.1
Operating Systems AIX NFS problem AIX6.1 Post 302759261 by omonoiatis9 on Tuesday 22nd of January 2013 02:05:45 AM
Old 01-22-2013
NFS problem AIX6.1

Hello,

I have a problem with an NFS file system. Both AIX servers are AIX6.1 and uses NFS version 3.
The problem is that at some point the client server cannot connect to the NFS anymore and when i do
Code:
df -k

it displays the message NFS server <server> not responding still trying.
i run the command
Code:
/usr/sbin/rmnfsmnt -f '/nim/mksysb/' '-B'

and it returns the following error:
umount: 1831-015 16 error while unmounting <server>:/nim/mksysb/ -
The requested resource is busy.
rmnfsmnt: 1831-362 Error in unmounting /nim/mksysb/

while i check that the entry in /etc/filesystems is removed i still see that the NFS is trying to connect unsuccessfully.
So i tried to forcefully unmount the file system using the command
Code:
umount -f /nim/mksysb/

but it stucks. The strange thing is that if i check my file systems at the time that the command runs it seems that the NFS is umount and
Code:
df -k

works fine without reporting any warnings or errors.
I let the
Code:
umount -f

run for a lot of hours but it doesnt seem to finish. When i stopped the command the NFS appears back and when i do
Code:
df -k

i get the same message NFS server <server> not responding still trying again.

How can i get rid of this?
Thank you.
 

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IRSEND(1)								FSF								 IRSEND(1)

NAME
irsend - basic LIRC program to send infra-red commands SYNOPSIS
irsend [options] DIRECTIVE REMOTE CODE [CODE...] DESCRIPTION
Asks the lircd daemon to send one or more CIR (Consumer Infra-Red) commands. This is intended for remote control of electronic devices such as TV boxes, HiFi sets, etc. DIRECTIVE can be: SEND_ONCE - send CODE [CODE ...] once SEND_START - start repeating CODE SEND_STOP - stop repeating CODE LIST - list configured remote items SET_TRANSMITTERS - set transmitters NUM [NUM ...] SIMULATE - simulate IR event REMOTE is the name of a remote, as described in the lircd configuration file. CODE is the name of a remote control key of REMOTE, as it appears in the lircd configuration file. NUM is the transmitter number of the hardware device. For the LIST DIRECTIVE, REMOTE and/or CODE can be empty: LIST "" "" - list all configured remote names LIST REMOTE "" - list all codes of REMOTE LIST REMOTE CODE - list only CODE of REMOTE The SIMULATE command only works if it has been explicitly enabled in lircd. -h --help display usage summary -v --version display version -d --device use given lircd socket [/var/run/lirc/lircd] -a --address=host[:port] connect to lircd at this address -# --count=n send command n times EXAMPLES
irsend LIST DenonTuner "" irsend SEND_ONCE DenonTuner PROG-SCAN irsend SEND_ONCE OnkyoAmpli VOL-UP VOL-UP VOL-UP VOL-UP irsend SEND_START OnkyoAmpli VOL-DOWN ; sleep 3 irsend SEND_STOP OnkyoAmpli VOL-DOWN irsend SET_TRANSMITTERS 1 irsend SET_TRANSMITTERS 1 3 4 irsend SIMULATE "0000000000000476 00 OK TECHNISAT_ST3004S" FILES
/etc/lirc/lircd.conf Default lircd configuration file. It should contain all the remotes, their infra-red codes and the corresponding timing and wave- form details. DIAGNOSTICS
If lircd is not running (or /var/run/lirc/lircd lacks write permissions) irsend aborts with the following diagnostics: "irsend: could not connect to socket" "irsend: Connection refused" (or "Permission denied"). SEE ALSO
The documentation for lirc is maintained as html pages. They are located under html/ in the documentation directory. lircd(8), mode2(1), smode2(1), xmode2(1), irrecord(1), irw(1), http://www.lirc.org. irsend 0.8.7pre1 May 2010 IRSEND(1)
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