[Kimchi-devel] [PATCH] Doc: add work around to handle NFS root squash problem

[Aline Manera]

On 03/11/2014 07:05 AM, lvroyce at linux.vnet.ibm.com wrote:
> From: Royce Lv <lvroyce at linux.vnet.ibm.com>
>
> Tested:
>      1. make
>      2. nfs pool and vm creation
> Default NFS server export path is configured as root squash,
> mapping root user to nobody.
> This results:
> 1. Root user cannot step into mount point if export path
>     does not allow other to read/execute.
>     So create volume will fail.
> 2. Even with other permission open,
>     owner/group of volume created by root is still nobody/nogrp,
>     and qemu permission is denied on such img.
> This work around instruct user to enable squash to given libvirt user
> to address the above problems.
>
> Signed-off-by: Royce Lv <lvroyce at linux.vnet.ibm.com>
> ---
>   docs/README.md | 9 ++++++++-
>   1 file changed, 8 insertions(+), 1 deletion(-)
>
> diff --git a/docs/README.md b/docs/README.md
> index 5721878..17abe78 100644
> --- a/docs/README.md
> +++ b/docs/README.md
> @@ -146,8 +146,15 @@ new template using the "+" button in the upper right corner.
>   Known Issues
>   ------------
>
> -Kimchi is still experimental and should not be used in a production
> +1. Kimchi is still experimental and should not be used in a production
>   environment.
> +2. When you are using NFS as storage pool, check the nfs export path permission
> +is configured as:
> +    (1) export path need to be squashed as kvm gid and libvirt uid:
> +        /my_export_path *(all_squash,anongid=<kvm-gid>, anonuid=<libvirt-uid>,rw,sync)
> +        So that root user can create volume with right user/group.
> +    (2) Chown of export path user as libvirt user, group as kvm group,

There is an extra "user" word ^

"Chown of export path as libvirt..."

I can update it before applying if anyone has more comments

> +        In order to make sure all mapped user can get into the mount point.
>
>   Participating
>   -------------