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Re: [Gluster-devel] RPM re-structuring

From: Deepak C Shetty
Subject: Re: [Gluster-devel] RPM re-structuring
Date: Mon, 05 Aug 2013 10:59:32 +0530
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:15.0) Gecko/20120911 Thunderbird/15.0.1

I am a bit lost here.. so pardon me if I am misquoting something.
But I really wanted to know where does /usr/sbin/gluster sits, i mean which RPM ?

Currently VDSM needs /usr/sbin/gluster since thats needed by gluster cli plugin of VDSM. This gluster plugin gets used to query the transport type as part of GLUSTERFS_DOMAIN storage domain usecase.

Currently, this is what i see...

rpm -qf /usr/sbin/gluster

which means for somebody to use gluster vdsm plugin, one needs to install glusterfs-server rpm.

But from VDSM spec file...

%if 0%{?with_gluster}
%package gluster
Summary:        Gluster Plugin for VDSM
BuildArch:      noarch

Requires: %{name} = %{version}-%{release}
Requires: glusterfs >= 3.4.0
Requires: glusterfs-server
Requires: glusterfs-fuse
Requires: glusterfs-rdma
Requires: python-magic

which means, that if the hypervisor host is not a gluster node, vdsm-gluster RPM is optional and if User doesn't install it.. he won't get glusterfs-server, and hence no /usr/sbin/gluster

and because of this, we run into

Based on my debug, it seems like the absence of gluster binary is the root cause here, tho' I can confirm
once the BZ reported gives back more info.

VDSM (which is eq. to hypervisor host) in this case is a hyp. only host, hence vdsm-gluster is not a necessity but it can be a gluster client (as part of User using GLUSTERFS_DOMAIN storage domain), for which the hyp. only host
still needs /usr/sbin/gluster binary.

To clarify further... vdsm/storage/gluster/ is not part of vdsm-gluster rpm, its part of vdsm package.. and this was done long back to ensure VDSM acting as gluster client doesn't necessarily need to install vdsm-gluster rpm. But since /usr/sbin/gluster is part of glusterfs-server, the problem is resurfaced.

I wanted to understand for the above scenario... where VDSM is just a gluster client.. what RPM (post the re-structuring) will be needed to be installed on the VDSM hyp. only host ? This also means post RPM re-structuring we need to change too


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