Exporting partition mounted inside another

Exporting partition mounted inside another

[Mauricio Tavares]

    I have in my NFSv4 server a directory called /exports where I
place everything I want to export:

/dev/vg1/logs            19.7G    651.0M     19.0G   3% /export/logs
/dev/vg1/home           196.9G    163.8G     32.9G  83% /export/home
/dev/vg1/pickles        504.0G     62.7G    441.2G  12% /export/home/pickles
/dev/vg1/stuff           98.4G     21.9G     76.5G  22% /export/public

Note that user pickles does have a lot of crap, so he gets to have his
own partition. My own home dir is in /export/home/raub. Now, I export
them as:

spindizzy> cat /etc/exports
/export 10.0.0.0/24(ro,fsid=0,no_subtree_check,sync)
/export/logs 10.0.0.21/24(rw,insecure,root_squash,no_subtree_check,sync)
/export/home 10.0.0.0/24(rw,insecure,root_squash,no_subtree_check,sync)
/export/public 10.0.0.0/24(ro,insecure,root_squash,no_subtree_check,sync)
spindizzy>

and mount /export/user using automount,

cat /etc/auto.home
#
# File: /etc/auto.home
#
*   -fstype=nfs4,hard,intr,rsize=8192,wsize=8192 fileserver:/home/&

When I try to automount (say by logging in as saif user) pickles'
homedir, it does not mount /dev/vg1/pickles. Instead, it just mounts
it as if only existed in /dev/vg1/home/pickles in the fileserver:

fileserver:/home/raub     197G  164G   33G  84% /home/raub
fileserver:/home/pickles  197G  164G   33G  84% /home/pickles

Sounds like I misconfigured my /etc/exports, but how?

Re: Exporting partition mounted inside another

[Malahal Naineni]

Mauricio Tavares [raubvogel@gmail.com] wrote:
>     I have in my NFSv4 server a directory called /exports where I
> place everything I want to export:
> 
> /dev/vg1/logs            19.7G    651.0M     19.0G   3% /export/logs
> /dev/vg1/home           196.9G    163.8G     32.9G  83% /export/home
> /dev/vg1/pickles        504.0G     62.7G    441.2G  12% /export/home/pickles
> /dev/vg1/stuff           98.4G     21.9G     76.5G  22% /export/public
> 
> Note that user pickles does have a lot of crap, so he gets to have his
> own partition. My own home dir is in /export/home/raub. Now, I export
> them as:
> 
> spindizzy> cat /etc/exports
> /export 10.0.0.0/24(ro,fsid=0,no_subtree_check,sync)
> /export/logs 10.0.0.21/24(rw,insecure,root_squash,no_subtree_check,sync)
> /export/home 10.0.0.0/24(rw,insecure,root_squash,no_subtree_check,sync)
> /export/public 10.0.0.0/24(ro,insecure,root_squash,no_subtree_check,sync)
> spindizzy>

You didn't export /export/home/pickles file system. Export that by
listing it in /etc/exports. Also, look at (crossmnt or no_hide options)

> 
> and mount /export/user using automount,
> 
> cat /etc/auto.home
> #
> # File: /etc/auto.home
> #
> *   -fstype=nfs4,hard,intr,rsize=8192,wsize=8192 fileserver:/home/&
> 
> When I try to automount (say by logging in as saif user) pickles'
> homedir, it does not mount /dev/vg1/pickles. Instead, it just mounts
> it as if only existed in /dev/vg1/home/pickles in the fileserver:
> 
> fileserver:/home/raub     197G  164G   33G  84% /home/raub
> fileserver:/home/pickles  197G  164G   33G  84% /home/pickles
> 
> Sounds like I misconfigured my /etc/exports, but how?
> --
> To unsubscribe from this list: send the line "unsubscribe linux-nfs" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> 

Re: Exporting partition mounted inside another

[Mauricio Tavares]

On Wed, Mar 19, 2014 at 9:24 AM, Malahal Naineni <malahal@us.ibm.com> wrote:
> Mauricio Tavares [raubvogel@gmail.com] wrote:
>>     I have in my NFSv4 server a directory called /exports where I
>> place everything I want to export:
>>
>> /dev/vg1/logs            19.7G    651.0M     19.0G   3% /export/logs
>> /dev/vg1/home           196.9G    163.8G     32.9G  83% /export/home
>> /dev/vg1/pickles        504.0G     62.7G    441.2G  12% /export/home/pickles
>> /dev/vg1/stuff           98.4G     21.9G     76.5G  22% /export/public
>>
>> Note that user pickles does have a lot of crap, so he gets to have his
>> own partition. My own home dir is in /export/home/raub. Now, I export
>> them as:
>>
>> spindizzy> cat /etc/exports
>> /export 10.0.0.0/24(ro,fsid=0,no_subtree_check,sync)
>> /export/logs 10.0.0.21/24(rw,insecure,root_squash,no_subtree_check,sync)
>> /export/home 10.0.0.0/24(rw,insecure,root_squash,no_subtree_check,sync)
>> /export/public 10.0.0.0/24(ro,insecure,root_squash,no_subtree_check,sync)
>> spindizzy>
>
> You didn't export /export/home/pickles file system. Export that by
> listing it in /etc/exports. Also, look at (crossmnt or no_hide options)
>
       Thanks for your reply. I added

/export/home/pickles 10.0.0.0/24(rw,insecure,root_squash,no_subtree_check,sync)

to /etc/exports and then did exportfs -r. Running exports told me it
was being exported:

spindizzy> exportfs
/export         10.0.0.0/24
/export/logs    10.0.0.21/24
/export/home    10.0.0.0/24
/export/home/pickles
                10.0.0.0/24
/export/public  10.0.0.0/24
spindizzy>

If I go back to the desktop, it claims fileserver is exporting pickles:

raub@desktop:~$ showmount -e fileserver
Export list for fileserver:
/export/public       10.0.0.0/24
/export/home/pickles 10.0.0.0/24
/export/home         10.0.0.0/24
/export/logs         10.0.0.21/24
/export              10.0.0.0/24
raub@desktop:~$

But, as before, when I tried to mount pickles, it doesn't:

fileserver:/home/raub     197G  164G   33G  84% /home/raub
fileserver:/home/pickles  197G  164G   33G  84% /home/pickles

Same outcome with crossmnt or nohide

>>
>> and mount /export/user using automount,
>>
>> cat /etc/auto.home
>> #
>> # File: /etc/auto.home
>> #
>> *   -fstype=nfs4,hard,intr,rsize=8192,wsize=8192 fileserver:/home/&
>>
>> When I try to automount (say by logging in as saif user) pickles'
>> homedir, it does not mount /dev/vg1/pickles. Instead, it just mounts
>> it as if only existed in /dev/vg1/home/pickles in the fileserver:
>>
>> fileserver:/home/raub     197G  164G   33G  84% /home/raub
>> fileserver:/home/pickles  197G  164G   33G  84% /home/pickles
>>
>> Sounds like I misconfigured my /etc/exports, but how?
>> --
>> To unsubscribe from this list: send the line "unsubscribe linux-nfs" in
>> the body of a message to majordomo@vger.kernel.org
>> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>>
>

Re: Exporting partition mounted inside another

[Mauricio Tavares]

On Wed, Mar 19, 2014 at 11:18 PM, Mauricio Tavares <raubvogel@gmail.com> wrote:
> On Wed, Mar 19, 2014 at 9:24 AM, Malahal Naineni <malahal@us.ibm.com> wrote:
>> Mauricio Tavares [raubvogel@gmail.com] wrote:
>>>     I have in my NFSv4 server a directory called /exports where I
>>> place everything I want to export:
>>>
>>> /dev/vg1/logs            19.7G    651.0M     19.0G   3% /export/logs
>>> /dev/vg1/home           196.9G    163.8G     32.9G  83% /export/home
>>> /dev/vg1/pickles        504.0G     62.7G    441.2G  12% /export/home/pickles
>>> /dev/vg1/stuff           98.4G     21.9G     76.5G  22% /export/public
>>>
>>> Note that user pickles does have a lot of crap, so he gets to have his
>>> own partition. My own home dir is in /export/home/raub. Now, I export
>>> them as:
>>>
>>> spindizzy> cat /etc/exports
>>> /export 10.0.0.0/24(ro,fsid=0,no_subtree_check,sync)
>>> /export/logs 10.0.0.21/24(rw,insecure,root_squash,no_subtree_check,sync)
>>> /export/home 10.0.0.0/24(rw,insecure,root_squash,no_subtree_check,sync)
>>> /export/public 10.0.0.0/24(ro,insecure,root_squash,no_subtree_check,sync)
>>> spindizzy>
>>
>> You didn't export /export/home/pickles file system. Export that by
>> listing it in /etc/exports. Also, look at (crossmnt or no_hide options)
>>
>        Thanks for your reply. I added
>
> /export/home/pickles 10.0.0.0/24(rw,insecure,root_squash,no_subtree_check,sync)
>
> to /etc/exports and then did exportfs -r. Running exports told me it
> was being exported:
>
> spindizzy> exportfs
> /export         10.0.0.0/24
> /export/logs    10.0.0.21/24
> /export/home    10.0.0.0/24
> /export/home/pickles
>                 10.0.0.0/24
> /export/public  10.0.0.0/24
> spindizzy>
>
> If I go back to the desktop, it claims fileserver is exporting pickles:
>
> raub@desktop:~$ showmount -e fileserver
> Export list for fileserver:
> /export/public       10.0.0.0/24
> /export/home/pickles 10.0.0.0/24
> /export/home         10.0.0.0/24
> /export/logs         10.0.0.21/24
> /export              10.0.0.0/24
> raub@desktop:~$
>
> But, as before, when I tried to mount pickles, it doesn't:
>
> fileserver:/home/raub     197G  164G   33G  84% /home/raub
> fileserver:/home/pickles  197G  164G   33G  84% /home/pickles
>
> Same outcome with crossmnt or nohide
>
      Sorry for resurrecting the thread, but I am still clueless about
what is going on.

>>>
>>> and mount /export/user using automount,
>>>
>>> cat /etc/auto.home
>>> #
>>> # File: /etc/auto.home
>>> #
>>> *   -fstype=nfs4,hard,intr,rsize=8192,wsize=8192 fileserver:/home/&
>>>
>>> When I try to automount (say by logging in as saif user) pickles'
>>> homedir, it does not mount /dev/vg1/pickles. Instead, it just mounts
>>> it as if only existed in /dev/vg1/home/pickles in the fileserver:
>>>
>>> fileserver:/home/raub     197G  164G   33G  84% /home/raub
>>> fileserver:/home/pickles  197G  164G   33G  84% /home/pickles
>>>
>>> Sounds like I misconfigured my /etc/exports, but how?
>>> --
>>> To unsubscribe from this list: send the line "unsubscribe linux-nfs" in
>>> the body of a message to majordomo@vger.kernel.org
>>> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>>>
>>