remote mount hangs sysstem

[RYAN vAN GINNEKEN]

this is my fstabs file could you please explain where i enter and set 
values for the -R and -b options

# See the fstab(5) manual page for important information on automatic mounts
# of network filesystems before modifying this file.
#
# Device                Mountpoint      FStype  Options         Dump    
Pass#
/dev/ad0s2b             none            swap    sw              0       0
/dev/ad0s1a             /               ufs     rw              1       1
/dev/ad0s4e             /usr            ufs     rw              2       2
/dev/ad0s3e             /var            ufs     rw              2       2
proc                    /proc           procfs  rw              0       0

#------------------------------------------------------------------------------
#remote mounts
#------------------------------------------------------------------------------
v21.higcoup.ca:/usr/src /mnt/v21.highcoup.ca/usr/src                    
nfs     r noauto        0       0
v21.higcoup.ca:/usr/local/ect /mnt/v21.highcoup.ca/usr/local/etc        
nfs     r noauto        0       0

#------------------------------------------------------------------------------

Scott W wrote:

> RYAN vAN GINNEKEN wrote:
>
>> Is there a way to mount a cdrom or  remote file systems using fstab 
>> but not having it crash out the system.  example if i have a nfs 
>> share set up to another machine and that machine goes down the next 
>> time i reboot  my system the machine hangs when it cannot find the 
>> share and will not allow me to do anything and i have to hook up a 
>> monitor and keyboard to get it back the same happens when there is an 
>> error on a cd rom
>>
>>
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> Use the background (-b or bg) and interruptible (-i or intr) options, 
> along with a reasonable timeout.  See
> man mount_nfs for the specifics.
>
> Scott
>
>
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