[Linux-ha-dev] Re: Shared disk file Exclusiveness control program
ikedaj at intellilink.co.jp
Thu Aug 9 00:21:24 MDT 2007
Thank you for your comment.
This program isn't considered as a quorum module for now.
It was developed as RA, I mean, it provides an independent function without
some effects to Heartbeat's internal behavior.
since we don't have familiar with a quorum module,
what are the requirements for it?
We have no problem with improving it, but it's not known exactly how we
NTT DATA INTELLILINK CORPORATION
> -----Original Message-----
> From: linux-ha-dev-bounces at lists.linux-ha.org
> [mailto:linux-ha-dev-bounces at lists.linux-ha.org] On Behalf Of Alan
> Sent: Wednesday, August 08, 2007 1:12 PM
> To: NAKAHIRA Kazutomo
> Cc: linux-ha-dev at lists.linux-ha.org
> Subject: [Linux-ha-dev] Re: Shared disk file Exclusiveness control program
> NAKAHIRA Kazutomo wrote:
> > Hello, all.
> > We wrote a Shared Disk File EXclusiveness Control Program, called
> > "SF-EX" for short, could prevent a destruction of data on
> > shared disk file system due to Split-Brain.
> > This program consists of CUI commands written in the C and RA,
> > the former is used for managing and monitoring shared disk status
> > and the latter is the same as other common RAs.
> > We tested this program on IBM and HP platform, and we confirmed
> > all functions worked well.
> > Our test environment is listed below:
> > Software:
> > OS :RHEL4 ES Update5(kernel2.6.9-55.ELsmp)
> > HB2:heartbeat-2.1.2-2
> > Hardware:
> > IBM platform:
> > Server : System x3650
> > Shared disk: DS 4700 (FC)
> > HP platform:
> > Server : DL380G5
> > Shared disk: MSA500G2 (SCSI)
> > How to install and configuration are described in README.
> > If you are interested in this program, please try it and
> > let me know your comments.
> > Your suggestions on how to improve are really appreciated.
> This program would be even more useful if it were available as a quorum
> module. Have you thought about making it a quorum module?
> Alan Robertson <alanr at unix.sh>
> "Openness is the foundation and preservative of friendship... Let me
> claim from you at all times your undisguised opinions." - William
> Linux-HA-Dev: Linux-HA-Dev at lists.linux-ha.org
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