[Linux-cluster] qdiskd restart question

Greets, I've modified some of my heuristics scripts, and want to start using them. Can I restart qdiskd on a running cluster without causing any issues? Thanks, -C -- Linux-cluster mailing list Linux-cluster@redhat.com https://www.redhat.com/mailman/listinfo/linux-cluster

Re: [Linux-cluster] dlm and IO speed problem

On Fri, 2008-04-11 at 10:28 -0500, Wendy Cheng wrote: > christopher barry wrote: > > On Tue, 2008-04-08 at 09:37 -0500, Wendy Cheng wrote: > > > >> [EMAIL PROTECTED] wrote: > >> > >>> > >>>> my setup: > >>>

Re: [Linux-cluster] dlm and IO speed problem

has it's place in the landscape - but for a development build system, the NetApp is simply phenomenal. Thanks all for your assistance in the many months I have sought and received advice and help here. Regards, Christopher Barry -- Linux-cluster mailing list Linux-cluster@redhat.com https://www.redhat.com/mailman/listinfo/linux-cluster

[Linux-cluster] dlm and IO speed problem

Hi everyone, I have a couple of questions about the tuning the dlm and gfs that hopefully someone can help me with. my setup: 6 rh4.5 nodes, gfs1 v6.1, behind redundant LVS directors. I know it's not new stuff, but corporate standards dictated the rev of rhat. The cluster is a developer build cl

Re: [Linux-cluster] Unformatting a GFS cluster disk

On Sun, 2008-03-30 at 14:54 -0500, Wendy Cheng wrote: snip... > In general, GFS backup from Linux side during run time has been a pain, > mostly because of its slowness and the process has to walk thru the > whole filesystem to read every single file that ends up accumulating > non-trivial amoun

Re: [Linux-cluster] SCSI reservation conflicts after update

On Fri, 2008-03-28 at 22:49 -0400, Sajesh Singh wrote: > > > > Sajesh, start here: > > http://www.mail-archive.com/linux-cluster@redhat.com/msg01029.html > > > > I went through this too, and Ryan helped me out a lot! > > > > Good Luck! > > -C > > > Christopher, >I have read th

Re: [Linux-cluster] SCSI reservation conflicts after update

On Fri, 2008-03-28 at 21:03 -0400, Sajesh Singh wrote: > After updating my GFS cluster to the latest packages (as of 3/28/08) on > an Enterprise Linux 4.6 cluster (kernel version 2.6.9-67.0.7.ELsmp) I > am receiving scsi reservation errors whenever the nodes are rebooted. > The node is then sub

Re: [Linux-cluster] Unformatting a GFS cluster disk

On Fri, 2008-03-28 at 07:42 -0700, Lombard, David N wrote: > On Thu, Mar 27, 2008 at 03:26:55PM -0400, christopher barry wrote: > > On Wed, 2008-03-26 at 13:58 -0700, Lombard, David N wrote: > > ... > > > > Can you point me at any docs that describe how best to implem

Re: [Linux-cluster] Unformatting a GFS cluster disk

On Wed, 2008-03-26 at 13:58 -0700, Lombard, David N wrote: ... > > Can you point me at any docs that describe how best to implement snaps > > against a gfs lun? > > FYI, the NetApp "snapshot" capability is a result of their "WAFL" filesystem > . Basical

RE: [Linux-cluster] help reqd. - VMware ESX 3.5 fencing

What version of redhat are you using? Are you saying that instead of copying the AppUtil directory post-install of the viperltoolkit, you simply changed the use line to use VMware::VIRuntime;? Regards, -C -Original Message- From: [EMAIL PROTECTED] on behalf of Brian Kroth Sent: Thu 2/2

[Linux-cluster] Here is my cluster node shutdown script

Hi All, Just throwing this out there in case anyone has a use for it. It works well for me, and I know that until I wrote it, shutdowns were painful. (they were fences, really ;) Improvements, and or comments welcome. A small way of giving back ;) Cheers, -C shutdown_node.bz2 Description:

RE: [Linux-cluster] GNBD/GFS/cluster questions

-Original Message- From: [EMAIL PROTECTED] on behalf of Chris Picton Sent: Thu 1/3/2008 4:06 PM To: linux-cluster@redhat.com Subject: [Linux-cluster] GNBD/GFS/cluster questions Hi all I have a question regarding gnbd and clustering. I currently have two servers (store1 and store2) sh

Re: [Linux-cluster] I/O performance tests on GFS and GFS2 (cluster 2.01.00)

On Tue, 2007-12-11 at 17:10 +, Pedro Bandim Faustino wrote: > Hi all, > > I've conducted some I/O performance tests with IOzone on GFS and GFS2 > (among others for comparison). > You can find them here: > http://pedrofaustino.blogspot.com/2007/12/iozone-performance-tests-on-gfsnfsext3.html >

Re: [Linux-cluster] RHEL 4 and RHEL 5 cluster

On Sat, 2007-12-08 at 22:16 -0700, Sadek, Abdel wrote: > Is it possible to run RedHat native cluster with nodes running > different versions of RHEL (example RHEL 4.6 and RHEL 5.1).? > > > > Thanks. > > Abdel.. > Simple answer: No. They use completely different infrastructures. Could it be

RE: [Linux-cluster] gfs on debian

-Original Message- From: [EMAIL PROTECTED] on behalf of Stéphane Neveu Sent: Fri 12/7/2007 10:00 AM To: linux-cluster@redhat.com Subject: [Linux-cluster] gfs on debian Hello all, First let me thank you for your work ! I actually try to mount a gfs /dev/sda3 on a debian testing box..

Re: [Linux-cluster] journal size, performance

luster infrastructure is not compatible between 4.5 and 5.1. I do not believe that having both 4.5 and 5.1 in a unified cluster is a supported configuration. I do not think unused journals affect performance - they just reserve space. man gfs_jadd to see how to add more journals later. -- Regard

Re: [Linux-cluster] I give up

On Wed, 2007-11-28 at 17:27 -0500, James Parsons wrote: > Scott Becker wrote: > snip... > > Case two. I remove one node from the cluster to maintain it. Now I > > have a two node cluster. Same issues as above. Luci wants to set > > two_node = 1 in this case instead of just dealing with expected

RE: [Linux-cluster] scsi_watchdog

-Original Message- From: [EMAIL PROTECTED] on behalf of [EMAIL PROTECTED] Sent: Wed 11/21/2007 12:39 PM To: linux-cluster Subject: Re: [Linux-cluster] scsi_watchdog > scsi_watchdog.conf is only being used if 1) you use scsi reservations as > a fence method and 2) you explicitly state i

[Linux-cluster] Re: nanny segfault problem

On Tue, 2007-11-13 at 15:14 -0500, Christopher Barry wrote: > script got scraped by my gateway - attached here as a textfile > > > On Tue, 2007-11-13 at 15:05 -0500, Christopher Barry wrote: > > Greetings All, > > > > running RHEL4U5 > > > > I have a

[Linux-cluster] Re: nanny segfault problem

script got scraped by my gateway - attached here as a textfile On Tue, 2007-11-13 at 15:05 -0500, Christopher Barry wrote: > Greetings All, > > running RHEL4U5 > > I have a bunch of services on my cluster w/ access via redundant > directors. > > I've created a ge

[Linux-cluster] nanny segfault problem

Greetings All, running RHEL4U5 I have a bunch of services on my cluster w/ access via redundant directors. I've created a generic service checking script, which I'm specifying in lvs.cf's 'send_program' config parameter. script is attached to this post. see that for how it works with the symlin

Re: [Linux-cluster] scsi reservation issue

On Thu, 2007-11-08 at 15:32 -0600, Ryan O'Hara wrote: > Christopher Barry wrote: > > > > Okay. I had some other issues to deal with, but now I'm back to this, > > and let me get you all up to speed on what I have done, and what I do > > not understand about

Re: [Linux-cluster] scsi reservation issue

On Thu, 2007-11-08 at 15:32 -0600, Ryan O'Hara wrote: > Christopher Barry wrote: > > > > Okay. I had some other issues to deal with, but now I'm back to this, > > and let me get you all up to speed on what I have done, and what I do > > not understand about

Re: [Linux-cluster] scsi reservation issue

On Thu, 2007-11-08 at 19:03 -0500, Christopher Barry wrote: > On Thu, 2007-11-08 at 15:32 -0600, Ryan O'Hara wrote: > > Christopher Barry wrote: > > > > > > Okay. I had some other issues to deal with, but now I'm back to this, > > > and let me get you

Re: [Linux-cluster] scsi reservation issue

On Thu, 2007-11-08 at 15:32 -0600, Ryan O'Hara wrote: > Christopher Barry wrote: > > > > Okay. I had some other issues to deal with, but now I'm back to this, > > and let me get you all up to speed on what I have done, and what I do > > not understand about

Re: [Linux-cluster] scsi reservation issue

On Fri, 2007-11-02 at 12:32 -0500, Ryan O'Hara wrote: > Christopher Barry wrote: > > On Wed, 2007-10-31 at 10:44 -0500, Ryan O'Hara wrote: > >> Christopher Barry wrote: > >>> Greetings all, > >>> > >>> I have 2 vmware esx servers, e

RE: [Linux-cluster] cman startup issue

> -Original Message- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of > [EMAIL PROTECTED] > Sent: Wednesday, November 07, 2007 6:31 AM > To: linux clustering > Subject: Re: [Linux-cluster] cman startup issue > > On Wed, 7 Nov 2007, Patrick Caulfield wrote: > > >> I'm h

RE: [Linux-cluster] Shutting down a cluster

> -Original Message- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of James Fidell > Sent: Tuesday, November 06, 2007 2:06 PM > To: [EMAIL PROTECTED]; linux clustering > Subject: Re: [Linux-cluster] Shutting down a cluster > > João Cascão wrote: > > Try this: > > > > -

RE: [Linux-cluster] scsi reservation issue

... what scsi_reserve enabled by default? It > shouldn't be. If it is I'll have to fix that. > On RHEL4/U5, yes. I did not turn it on. > Christopher Barry wrote: > >>>> Are you intentionally trying to use scsi reservations as a > >> fence method? > >

RE: [Linux-cluster] scsi reservation issue

> >> Are you intentionally trying to use scsi reservations as a > fence method? > > > > No. In fact I thought the scsi_reservation service may be > *causing* the > > issue, and disabled the service from starting on all nodes. > Does this > > have to be on? > > No. You only need to run this se

Re: [Linux-cluster] scsi reservation issue

On Wed, 2007-10-31 at 10:44 -0500, Ryan O'Hara wrote: > Christopher Barry wrote: > > Greetings all, > > > > I have 2 vmware esx servers, each hitting a NetApp over FS, and each > > with 3 RHCS cluster nodes trying to mount a gfs volume. > > > > All of

Re: [Linux-cluster] scsi reservation issue

On Wed, 2007-10-31 at 11:54 -0600, Josh Gray wrote: > Chris - How many other VM's do you have too? Are the RH servers local disk > or shared storage, what about all the others? > > Josh > > > On 10/31/07 9:27 AM, "Christopher Barry" <[EMAIL PR

[Linux-cluster] scsi reservation issue

Greetings all, I have 2 vmware esx servers, each hitting a NetApp over FS, and each with 3 RHCS cluster nodes trying to mount a gfs volume. All of the nodes (1,2,& 3) on esx-01 can mount the volume fine, but none of the nodes in the second esx box can mount the gfs volume at all, and I get the fo

[Linux-cluster] RE: new fence agent for vmware esx server

-Original Message- From: Christopher Barry Sent: Tue 10/23/2007 1:36 AM To: [EMAIL PROTECTED] Com (linux-cluster@redhat.com) Subject: new fence agent for vmware esx server Greetings, I needed a fence agent to poweroff or reset my virtual cluster nodes using the viperltoolkit. I could

[Linux-cluster] new fence agent for vmware esx server

Greetings, I needed a fence agent to poweroff or reset my virtual cluster nodes using the viperltoolkit. I could not find one that did, (fence_esx didn't do it for me) so I hacked together this one. I'm not much of a perl guy, so it could probably use some love, but it does work. It drops a

RE: [Linux-cluster] Re: Two-node cluster disconnecting

-Original Message- From: [EMAIL PROTECTED] on behalf of Mikko Partio Sent: Mon 10/22/2007 9:41 AM To: linux-cluster@redhat.com Subject: [Linux-cluster] Re: Two-node cluster disconnecting On 10/16/07, Mikko Partio <[EMAIL PROTECTED]> wrote: > > > > On 10/11/07, Mikko Partio <[EMAIL PROTECT

RE: [Linux-cluster] crossover cables

>-Original Message- >From: [EMAIL PROTECTED] on behalf of Bob Peterson >Sent: Thu 10/18/2007 4:00 PM >To: linux clustering >Subject: Re: [Linux-cluster] crossover cables > >On Thu, 2007-10-18 at 11:27 -0400, Josh Gray wrote: >> Does the cluster then automatically use the xover interface fo

RE: [Linux-cluster] Cluster won't come up when T1 is down???

On Thu, 2007-10-11 at 22:26 -0500, [EMAIL PROTECTED] wrote: > Apologies to list for multiple posts. Just an email server burp. Building a > new server and the same message ended up queued a few times cept for the last > one asking if I could be seen. Once I searched my list archive, I discovered

RE: [Linux-cluster] Cluster won't come up when T1 is down???

> From: [EMAIL PROTECTED] on behalf of [EMAIL PROTECTED] > Sent: Thu 10/11/2007 10:12 PM > To: linux-cluster > Subject: RE: [Linux-cluster] Cluster won't come up when T1 is down??? > Great, list cop. Can't you just stop replying then? I've been on this list > and WooO00ooo; Pull Over

RE: [Linux-cluster] Cluster won't come up when T1 is down???

-Original Message- From: [EMAIL PROTECTED] on behalf of [EMAIL PROTECTED] Sent: Thu 10/11/2007 9:58 PM To: linux-cluster Subject: RE: [Linux-cluster] Cluster won't come up when T1 is down??? Gee, "yes, we're getting your messages" would have been just as welcome a reply :). Glad to see

RE: [Linux-cluster] Cluster won't come up when T1 is down???

-Original Message- From: [EMAIL PROTECTED] on behalf of [EMAIL PROTECTED] Sent: Thu 10/11/2007 5:52 PM To: linux-cluster Subject: [Linux-cluster] Cluster won't come up when T1 is down??? Am I still on this list or what? Can anyone see my posting??? Here's a very weird one. I have a clust

[Linux-cluster] DLM Documentation

Hi, Can someone point me to some good docs on the DLM? I'm interested in learning about what it's doing and how it's doing it. Thanks, Chris -- Linux-cluster mailing list Linux-cluster@redhat.com https://www.redhat.com/mailman/listinfo/linux-cluster

Re: [Linux-cluster] Quorum question / split brain paranoia

On Thu, 2007-09-06 at 08:22 -0400, Lon Hohberger wrote: > On Wed, Sep 05, 2007 at 06:16:32PM -0400, Christopher Barry wrote: > > > > The cluster nodes will run GFS, the director will not. Only one director > > will be active with a VIP, load will balance across all 6 VMs. T

[Linux-cluster] Quorum question / split brain paranoia

t would be the best way to approach votes, etc. here? Thanks all for your time. -- Regards, -C Christopher Barry Systems Engineer, Principal QLogic Corporation 780 Fifth Avenue, Suite 140 King of Prussia, PA 19406 o/f: 610-233-4870 / 4777 m: 267-242-9306 -- Linux-cluster mailing list L

Re: [Linux-cluster] Setting up HA cluster as NAS head for storage

t; > Randy > -- > Linux-cluster mailing list > Linux-cluster@redhat.com > https://www.redhat.com/mailman/listinfo/linux-cluster Take a look here: "http://www.linux-ha.org/HaNFS"; -- Regards, -C Christopher Barry Systems Engineer, Principal Qlogic Corporation 780 5th Avenue