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Re: [Linux-cluster] CLVMD without GFS




--- mensagem original ---
De: brem belguebli <brem belguebli gmail com>
Assunto: Re: [Linux-cluster] CLVMD without GFS
Data: 29 de Julho de 2009
Hora: 10:1:29

Hi Rafael,

Just posted the basic tests I'm doing on both linux-cluster and linux-lvm.

I can't get exclusive activation to work properly, I may be missing some
step in my process.

Brem


2009/7/27, Rafael Mic? Miranda <rmicmirregs gmail com>:
>
> Hi Brem
>
> So, does it work successfully? I made some testing before I submitted it
> to the list and AFAIK i found no errors.
>
> What do you mean exactly with "some CLVM strange behaviours"? Could you
> be more specific?
>
> I'm not subscribed to linux-lvm, please keep us informed through this
> list.
>
> Thanks in advance. Cheers,
>
> Rafael
>
> El lun, 27-07-2009 a las 21:02 +0200, brem belguebli escribi?:
> > Hi Rafael,
> >
> > It works fine, well at least when not hiting some CLVM strange
> > behaviours, that I'm able to replay by hand, so your script is
> > allright.
> >
> > I'll post to linux-lvm what I could see.
> >
> > Brem
> >
> >
> > 2009/7/21, brem belguebli <brem belguebli gmail com>:
> >         Hola Rafael,
> >
> >         Thanks a lot, that'll avoid me going from scratch.
> >
> >         I'll have a look at them and keep you updated.
> >
> >         Brem
> >
> >
> >
> >         2009/7/21, Rafael Mic? Miranda <rmicmirregs gmail com>:
> >                 Hi Brem,
> >
> >                 El mar, 21-07-2009 a las 16:40 +0200, brem belguebli
> >                 escribi?:
> >                 > Hi,
> >                 >
> >                 > That's what I 'm trying to do.
> >                 >
> >                 > If you mean lvm.sh, well, I've been playing with it,
> >                 but it does some
> >                 > "sanity" checks that are wierd
> >                 >      1. It expects HA LVM to be setup (why such
> >                 check if we want to
> >                 >         use CLVM).
> >                 >      2. it exits if it finds a CLVM VG  (kind of
> >                 funny !)
> >                 >      3. it exits if the lvm.conf is newer
> >                 than /boot/*.img (about this
> >                 >         one, we tend to prevent the cluster from
> >                 automatically
> >                 >         starting ...)
> >                 > I was looking to find some doc on how to write my
> >                 own resources, ie
> >                 > CLVM resource that checks if the vg is clustered, if
> >                 so by which node
> >                 > is it exclusively held, and if the node is down to
> >                 activate
> >                 > exclusively the VG.
> >                 >
> >                 > If you have some good links to provide me, that'll
> >                 be great.
> >                 >
> >                 > Thanks
> >                 >
> >                 >
> >                 > 2009/7/21, Christine Caulfield
> >                 <ccaulfie redhat com>:
> >                 >         On 07/21/2009 01:11 PM, brem belguebli
> >                 wrote:
> >                 >                 Hi,
> >                 >                 When creating the VG by default
> >                 clustered, you
> >                 >                 implicitely assume that
> >                 >                 it will be used with a clustered FS
> >                 on top of it (gfs,
> >                 >                 ocfs, etc...)
> >                 >                 that will handle the active/active
> >                 mode.
> >                 >                 As I do not intend to use GFS in
> >                 this particular case,
> >                 >                 but ext3 and raw
> >                 >                 devices, I need to make sure the vg
> >                 is exclusively
> >                 >                 activated on one
> >                 >                 node, preventing the other nodes to
> >                 access it unless
> >                 >                 it is the failover
> >                 >                 procedure (node holding the VG
> >                 crashed) and then re
> >                 >                 activate it
> >                 >                 exclusively on the failover node.
> >                 >                 Thanks
> >                 >
> >                 >
> >                 >         In that case you probably ought to be using
> >                 rgmanager to do
> >                 >         the failover for you. It has a script for
> >                 doing exactly
> >                 >         this :-)
> >                 >
> >                 >         Chrissie
> >                 >
> >                 >
> >                 >         --
> >                 >         Linux-cluster mailing list
> >                 >         Linux-cluster redhat com
> >                 >
> >                 https://www.redhat.com/mailman/listinfo/linux-cluster
> >                 >
> >                 >
> >                 > --
> >                 > Linux-cluster mailing list
> >                 > Linux-cluster redhat com
> >                 >
> >                 https://www.redhat.com/mailman/listinfo/linux-cluster
> >
> >                 Please, check this link:
> >
> >
> https://www.redhat.com/archives/cluster-devel/2009-June/msg00020.html
> >
> >                 I found exactly the same problem as you, and i
> >                 developed the
> >                 "lvm-cluster.sh" script to solve the needs I had. You
> >                 can find the
> >                 script on the last message of the thread.
> >
> >                 I submitted it to make it part of the main project,
> >                 but i have no news
> >                 about that yet.
> >
> >                 I hope this helps.
> >
> >                 Cheers,
> >
> >                 Rafael
> >
> >                 --
> >                 Rafael Mic? Miranda
> >
> >                 --
> >                 Linux-cluster mailing list
> >                 Linux-cluster redhat com
> >                 https://www.redhat.com/mailman/listinfo/linux-cluster
> >
> >
> > --
> > Linux-cluster mailing list
> > Linux-cluster redhat com
> > https://www.redhat.com/mailman/listinfo/linux-cluster
> --
> Rafael Mic? Miranda
>
> --
> Linux-cluster mailing list
> Linux-cluster redhat com
> https://www.redhat.com/mailman/listinfo/linux-cluster
>


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