Re: NFS export of TMPFS

[Weikuan Yu <wyu@ornl.gov>]

Thansk for your prompt reply. Forgot to add that they are exported. Here 
  is the output from exportfs. The problem is I can nfs-mount /data 
(/dev/hda2) fine, but not /nfs (tmpfs).

Weikuan

-bash-3.00# exportfs
/nfs            160.91.202.127/255.255.255.128
/data           160.91.202.127/255.255.255.128
/nfs            192.168.120.*
/data           192.168.120.*


Peter Staubach wrote:
> Weikuan Yu wrote:
> 
>> Hi,
>>
>> I am trying to export a memory-based file system via NFS. However, I 
>> am not able to do with either ramfs or tmpfs. Here is the reported 
>> error. Is there a protection in NFS server to prevent this?
>>
>> I also tried to use ramdisk. That worked, however, I am not able to 
>> create a ramdisk of more than 1G. I need to create a ramdisk that is 
>> 2G or more. Any insights on this.
>>
>> I will be happy if I can get solutions for either of the approaches. 
>> Or is there any other alternatives?
>>
>> Thanks,
>> Weikuan
>>
>> [root@yoda1 ~]# mount -t tmpfs none /nfs
>> [root@yoda1 ~]# df -h /nfs
>> Filesystem            Size  Used Avail Use% Mounted on
>> none                  506M     0  506M   0% /nfs
>> [root@yoda1 ~]# ssh node0002
>> -bash-3.00# mount 192.168.1.254:/nfs /nfs
>> mount: 192.168.1.254:/nfs failed, reason given by server: Permission 
>> denied
> 
> 
> You might try exportfs(8)'ing the file system before trying to mount it...
> 
>       ps

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