trash draft On Fri, Oct 28, 2011 at 11:00 AM, <[email protected]> wrote:
> Send Linux-cluster mailing list submissions to > [email protected] > > To subscribe or unsubscribe via the World Wide Web, visit > https://www.redhat.com/mailman/listinfo/linux-cluster > or, via email, send a message with subject or body 'help' to > [email protected] > > You can reach the person managing the list at > [email protected] > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of Linux-cluster digest..." > > > Today's Topics: > > 1. Re: Issue with NFS exports and "loopback" NFS mounts as RHCS > resources on attempted resource release (Rajagopal Swaminathan) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Thu, 27 Oct 2011 23:32:34 +0530 > From: Rajagopal Swaminathan <[email protected]> > To: linux clustering <[email protected]> > Subject: Re: [Linux-cluster] Issue with NFS exports and "loopback" NFS > mounts as RHCS resources on attempted resource release > Message-ID: > <CA+Ydgaq4sy9CmTjD=y_z=iio5yo3budn2jtwmrjvispnd+u...@mail.gmail.com > > > Content-Type: text/plain; charset=ISO-8859-1 > > Greetings, > > On Thu, Oct 27, 2011 at 7:56 PM, <[email protected]> wrote: > > Hi Raj, > > > > yes, I know this SAP on RHCS document and have thouroughly read > > it (I myself supplied the link in my initial posting). > > But as I already wrote NFS isn't addressed in this document. > > Instead it reads on page 32, Section 8.3.3 "NFS Mounted File > > Systems", 2nd paragraph: > > > > "It is possible but not recommended or supported to run an NFS > > server within the cluster. This > > leads to a re-mount scenario in which the cluster node exporting > > the NFS filesystems remounts > > the same NFS exports. In low memory situations, the NFS server > > and client can > > negatively impact system stability." > > > > I know I should show them SAP admins this paragraph, and ask them > > why they are trying to hold me accountable for not working > > features or being deemed inapt to configure a cluster properly > > for requested layouts the clustering software (viz. its agents) > > isn't fit to deliver. > > I would understand SAP's uppity attitude if they are approached. > > > But this is the usual battle with users and customers, and I > > already was coerced into violating cluster software just to make > > it work as the customer thinks it ought to work a, couple of > > times. > > > > I can understand that too, been there done that. > > I apologise for I neither have a cluster nor have aSAP implementation > in front of me to give you a more usable answer. > > But then, IIRC NFS can operate on UDP (connectionless) as well as TCP > (connection-oriented and default) > > But I will keep quite on this thread further. Till I hear from the > experts from Redhat or SAP. I get paid from neither. > > -- > Regards, > > Rajagopal > > > > ------------------------------ > > -- > Linux-cluster mailing list > [email protected] > https://www.redhat.com/mailman/listinfo/linux-cluster > > End of Linux-cluster Digest, Vol 90, Issue 20 > ********************************************* >
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