Re: NFS export of TMPFS

[Peter Staubach <staubach@redhat.com>]

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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