[Linux-cluster] EXT3 or GFS shared disk

Thu Sep 10 21:31:49 UTC 2009

The dirty flag is not pointing to any error, it's a normal status (that's
going to be changed to something else in future releases as many people got
worried about it).
The message you get means that your second node cannot contact clvmd and so
cannot access clustered VG's.

issue a ps -ef | grep clvmd to see if it is running ( you may find 2 clvmd
running , means that things went bad !!)

The solution is to restart your second node (reboot, start cman, etc...) and
check if it goes the right way.

Brem

2009/9/10 James Marcinek <jmarc1 at jemconsult.biz>

> no i didn't. that might be the root cause.
>
> I was able to get rid of it but now I get these errors on the second
> cluster node
>
> connect() failed on local socket: Connection refused
> WARNING: Falling back to local file-based locking.
> Volume Groups with the clustered attribute will be inaccessible
>
> when I do a cman_tool status, I see that there is a Flag indicating: 2node
> Dirty.
>
> Is there a way to clean this up?
>
> I'm trying to get this built so there's no data on anything.
>
> Thanks,
>
> James
>
> ----- Original Message -----
> From: "Luis Cerezo" <Luis.Cerezo at pgs.com>
> To: "linux clustering" <linux-cluster at redhat.com>
> Sent: Thursday, September 10, 2009 4:59:16 PM GMT -05:00 US/Canada Eastern
> Subject: Re: [Linux-cluster] EXT3 or GFS shared disk
>
> This is shared storage correct?
> have you tried the pvscan/vgscan/lvscan dance?
>
> did you create the vg with the -c y ?
>
> -luis
>
>
> Luis E. Cerezo
> Global IT
> GV: +1 412 223 7396
>
> On Sep 10, 2009, at 3:47 PM, James Marcinek wrote:
>
> > it turns out after my initial issues I turned off clvmd on both
> > nodes. One of them comes up nice but the other hangs... I'm going to
> > boot in runlevel 1 and check my lvm stuff this might be the root
> > cause (hoping) of why it's not they're not becoming members (one
> > sees the phantom lvm and the other does not)
> >
> >
> > ----- Original Message -----
> > From: "Luis Cerezo" <Luis.Cerezo at pgs.com>
> > To: "linux clustering" <linux-cluster at redhat.com>
> > Sent: Thursday, September 10, 2009 3:58:35 PM GMT -05:00 US/Canada
> > Eastern
> > Subject: Re: [Linux-cluster] EXT3 or GFS shared disk
> >
> > you really got to the cluster in quorum before the lvm to work nicely.
> >
> > what is the output of clustat?
> >
> > do you have clvmd on both nodes up and running?
> >
> > did you run pvscan/vgscan/lvscan after initializing the volume?
> >
> > what did vgdisplay say? what it set to not avail etc?
> >
> > -luis
> >
> > Luis E. Cerezo
> > Global IT
> > GV: +1 412 223 7396
> >
> > On Sep 10, 2009, at 2:38 PM, James Marcinek wrote:
> >
> >> I'm running 5.3 and it gave me a locking issue and indicated that it
> >> couldn't create the logical volume. However it showed up and I had
> >> some issues getting rid of it.
> >>
> >> I couldn't get rid of the LVM because it couldn't locate the id. In
> >> the end I rebooted the node and then I could get rid of it...
> >>
> >> I would prefer to use logical volumes if possible. The packages are
> >> there, one of the nodes did have an issue with the clvmd not
> >> starting...
> >>
> >> I'm working on rebuilding the cluster.conf. It kept coming up as in
> >> the config but 'not a member'. When I went into system-config-
> >> cluster on one node it showed up as a member but not the other. Went
> >> to the other node and the same thing, it was a member but not the
> >> other.
> >>
> >> Right now, I've totally scratched the original cluster.conf. I
> >> created a new one and copied it to the second node. started cman and
> >> rgmanager and the same thing they both are in the configs but only
> >> one member in the cluster management tab...
> >>
> >> What's going on?
> >>
> >> ----- Original Message -----
> >> From: "Luis Cerezo" <Luis.Cerezo at pgs.com>
> >> To: "linux clustering" <linux-cluster at redhat.com>
> >> Sent: Thursday, September 10, 2009 3:14:00 PM GMT -05:00 US/Canada
> >> Eastern
> >> Subject: Re: [Linux-cluster] EXT3 or GFS shared disk
> >>
> >> what grief did it give you? also- what version of RHEL are you
> >> running?
> >>
> >> 5.1 has some known issues with clvmd
> >>
> >> -luis
> >>
> >> Luis E. Cerezo
> >> Global IT
> >> GV: +1 412 223 7396
> >>
> >> On Sep 10, 2009, at 12:37 PM, James Marcinek wrote:
> >>
> >>> Hello again,
> >>>
> >>> Next question.
> >>>
> >>> Again since my cluster class (back in '04) GFS wasn't around so I'm
> >>> not sure if I should use this or not in the cluster build...
> >>>
> >>> If I have an active/passive cluster where only one node needs to
> >>> have access to the file system at a given time should I just use an
> >>> ext3 partition or should I use GFS on a logical volume?
> >>>
> >>> I just tried to create an lvm shared logical volume with an ext3
> >>> parition (already did an lvmconf --enable-cluster) but it caused me
> >>> some grief and I switched it to a partition after cleaning up...
> >>>
> >>> Thanks,
> >>>
> >>> James
> >>>
> >>> --
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> >>> Linux-cluster at redhat.com
> >>> https://www.redhat.com/mailman/listinfo/linux-cluster
> >>
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