Re: [vserver] vdir @ NFS? Permission errors.

From: Herbert Poetzl <herbert_at_13thfloor.at>
Date: Sat 15 Mar 2014 - 21:37:47 GMT
Message-ID: <20140315213747.GA5692@MAIL.13thfloor.at>

On Sat, Mar 15, 2014 at 09:56:38PM +0100, Christian Schrtter wrote:
>> What NFS version and how was it mounted?
> exports: /remotepath
> y.y.y.y/32(rw,sync,no_root_squash,no_subtree_check)
> fstab: x.x.x.x:/remotepath /vservers.nfs nfs rw,soft,bg,intr,vers=3 0 0

> Mounted with "mount /vservers.nfs" on the host.

>> Can you create a world writeable directory, and from
>> within the guest, create a file inside this directory
>> and list ownership for that on the server and from
>> inside the guest?
> Sure, here we go:

>> # mkdir /vservers.nfs/example/example
>> # chmod 0777 /vservers.nfs/example/example
>> # vserver example exec touch /example/root-test
>> # vserver example exec su -s /bin/sh -c "touch
>> /example/clamsmtp-test" clamsmtp

> VS Host:
>> # ls -lisahn /vservers.nfs/example/example/
>> 27936703 4,0K drwxrwxrwx 2 0 0 4,0K Mr 15 21:47 .
>> 27931540 4,0K drwxr-xr-x 22 0 0 4,0K Mr 15 21:46 ..
>> 27936705 0 -rw-r--r-- 1 102 104 0 Mr 15 21:47 clamsmtp-test
>> 27936704 0 -rw-r--r-- 1 0 0 0 Mr 15 21:47 root-test

> VS Guest:
>> # vserver example exec ls -lisahn /example/
>> 27936703 4,0K drwxrwxrwx 2 0 0 4,0K Mr 15 21:47 .
>> 27931540 4,0K drwxr-xr-x 22 0 0 4,0K Mr 15 21:46 ..
>> 27936705 0 -rw-r--r-- 1 102 104 0 Mr 15 21:47 clamsmtp-test
>> 27936704 0 -rw-r--r-- 1 0 0 0 Mr 15 21:47 root-test

> NFS Server:
>> # ls -lisahn /remotepath/example/example/
>> 27936703 4,0K drwxrwxrwx 2 0 0 4,0K Mr 15 21:47 .
>> 27931540 4,0K drwxr-xr-x 22 0 0 4,0K Mr 15 21:46 ..
>> 27936705 0 -rw-r--r-- 1 102 104 0 Mr 15 21:47 clamsmtp-test
>> 27936704 0 -rw-r--r-- 1 0 0 0 Mr 15 21:47 root-test

Okay, looks fine so far, do you have tagging enabled
in the Linux-VServer kernel on the client or server?
If so, is tagging for NFS enabled?

Thanks,
Herbert

> --
> With kind regards,
> Christian Schrtter
Received on Sat Mar 15 21:37:52 2014

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