[Ocfs2-users] bug resolve yet for export OCFS2 volume to NFS client ?

[Sunil Mushran]

Last I checked readdirplus was not in nfs4. But you may want to
reconfirm. readdirplus is a rpc call initiated by the client. So has
to be disabled on the nfs client.

On 03/22/2011 06:13 PM, Thomas Lau wrote:
> is it limited to NFSv3 or NFSv4 or both NFS?
>
> out of topic question, how could I disable READDIRPLUS ?
> should I disable it on server side or NFS client side?
>
>
> ----- Original Message -----
> From: "Sunil Mushran"<sunil.mushran at oracle.com>
> To: "Thomas Lau"<thomaslau at esun.com>
> Cc: ocfs2-users at oss.oracle.com
> Sent: Wednesday, March 23, 2011 3:55:45 AM
> Subject: Re: [Ocfs2-users] bug resolve yet for export OCFS2 volume to NFS client ?
>
> On 03/21/2011 11:52 PM, Thomas Lau wrote:
>> I found this from ocfs1.4 document:
>> g) NFS
>> OCFS2 volumes can be exported as NFS volumes. This support is limited to
>> NFS version 3, which translates to Linux kernel version 2.4 or later.
>> Users must mount the NFS volumes on the clients using the nordirplus
>> mount option. This disables the READDIRPLUS RPC call to workaround a bug
>> in NFSD, detailed in the following link:
>> http://oss.oracle.com/pipermail/ocfs2-announce/2008-June/000025.html
>> Users running NFS version 2 can export the volume after having disabled
>> subtree checking (mount option no_subtree_check). Be warned, disabling
>> the check has security implications (documented in the exports(5) man
>> page) that users must evaluate on their own.
>>
>> is it being fixed with centos 5.3 (2.6.18-164.11.1.el5)?
>>
>> anything I need to aware for exporting OCFS2 volume via NFS?
> This is a NFS bug. It has since been fixed in mainline. Kernels
> based on 2.6.32+ should be ok.