Re: [Linux-HA] NFS and DRBD

2010-03-23 Thread Terry Inzauro
On 03/23/2010 06:16 PM, Dimitri Maziuk wrote: > On Tuesday 23 March 2010 17:15:24 Terry Inzauro wrote: >> >> Please elaborate. >> >> Are you telling me that if 1 or 100 clients have an active NFS mount to the >> clustered NFS server, then resources can't be migrated? > > No, I'm asking you if a cl

Re: [Linux-HA] NFS and DRBD

2010-03-23 Thread Dimitri Maziuk
On Tuesday 23 March 2010 17:15:24 Terry Inzauro wrote: > > Please elaborate. > > Are you telling me that if 1 or 100 clients have an active NFS mount to the > clustered NFS server, then resources can't be migrated? No, I'm asking you if a clustered nfs *server* has an nfs-mounted filesystem. Espe

Re: [Linux-HA] NFS and DRBD

2010-03-23 Thread Terry Inzauro
On 03/23/2010 01:18 PM, Greg Woods wrote: > >>> On one node, i can get all services to start(and they work fine), but >>> whenever fail over occurs, there's nfs related handles left open thus >>> inhibiting/hanging the fail over. more specifically, the file systems fails >>> to unmount. > > If yo

Re: [Linux-HA] NFS and DRBD

2010-03-23 Thread Terry Inzauro
On 03/23/2010 01:18 PM, Greg Woods wrote: > >>> On one node, i can get all services to start(and they work fine), but >>> whenever fail over occurs, there's nfs related handles left open thus >>> inhibiting/hanging the fail over. more specifically, the file systems fails >>> to unmount. > > If yo

Re: [Linux-HA] NFS and DRBD

2010-03-23 Thread Terry Inzauro
On 03/23/2010 12:30 PM, Dimitri Maziuk wrote: > On Tuesday 23 March 2010 08:37:28 Terry Inzauro wrote: > >> On one node, i can get all services to start(and they work fine), but >> whenever fail over occurs, there's nfs related handles left open thus >> inhibiting/hanging the fail over. more speci

Re: [Linux-HA] NFS and DRBD

2010-03-23 Thread Terry Inzauro
On 03/23/2010 01:18 PM, Greg Woods wrote: > >>> On one node, i can get all services to start(and they work fine), but >>> whenever fail over occurs, there's nfs related handles left open thus >>> inhibiting/hanging the fail over. more specifically, the file systems fails >>> to unmount. > > If yo

Re: [Linux-HA] Efficient Resource Colocation Constraints

2010-03-23 Thread Eric Blau
On Tue, Mar 23, 2010 at 15:00, Andrew Beekhof wrote: > On Tue, Mar 23, 2010 at 7:11 PM, Eric Blau wrote: > > On Tue, Mar 23, 2010 at 13:17, Andrew Beekhof > wrote: > > > >> On Tue, Mar 23, 2010 at 6:01 PM, Eric Blau wrote: > >> > Hi everyone, > >> > > >> > I'm working with a test configuration

Re: [Linux-HA] Making Multiple Resources Dependent on the Same Foundational Resources

2010-03-23 Thread Andrew Beekhof
On Mon, Mar 15, 2010 at 4:17 PM, Robinson, Eric wrote: > Well, I now have multiple MySQL instances failing over, but they do it > sequentially. Every time I try to make them failover in parallel, I > break the config so badly that crm starts throwing errors and I end up > having to rebuild the who

Re: [Linux-HA] Efficient Resource Colocation Constraints

2010-03-23 Thread Andrew Beekhof
On Tue, Mar 23, 2010 at 7:11 PM, Eric Blau wrote: > On Tue, Mar 23, 2010 at 13:17, Andrew Beekhof wrote: > >> On Tue, Mar 23, 2010 at 6:01 PM, Eric Blau wrote: >> > Hi everyone, >> > >> > I'm working with a test configuration containing 128 resources using the >> > Stateful example resource agen

Re: [Linux-HA] NFS and DRBD

2010-03-23 Thread Greg Woods
> > On one node, i can get all services to start(and they work fine), but > > whenever fail over occurs, there's nfs related handles left open thus > > inhibiting/hanging the fail over. more specifically, the file systems fails > > to unmount. If you are referring to file systems on the server th

Re: [Linux-HA] Efficient Resource Colocation Constraints

2010-03-23 Thread Eric Blau
On Tue, Mar 23, 2010 at 13:17, Andrew Beekhof wrote: > On Tue, Mar 23, 2010 at 6:01 PM, Eric Blau wrote: > > Hi everyone, > > > > I'm working with a test configuration containing 128 resources using the > > Stateful example resource agent supplied with Linux HA. I'm trying to > > figure out how

Re: [Linux-HA] NFS and DRBD

2010-03-23 Thread Dimitri Maziuk
On Tuesday 23 March 2010 08:37:28 Terry Inzauro wrote: > On one node, i can get all services to start(and they work fine), but > whenever fail over occurs, there's nfs related handles left open thus > inhibiting/hanging the fail over. more specifically, the file systems fails > to unmount. > > Any

Re: [Linux-HA] Efficient Resource Colocation Constraints

2010-03-23 Thread Andrew Beekhof
On Tue, Mar 23, 2010 at 6:01 PM, Eric Blau wrote: > Hi everyone, > > I'm working with a test configuration containing 128 resources using the > Stateful example resource agent supplied with Linux HA.  I'm trying to > figure out how to get resource colocation constraints working efficiently. > > I

[Linux-HA] Efficient Resource Colocation Constraints

2010-03-23 Thread Eric Blau
Hi everyone, I'm working with a test configuration containing 128 resources using the Stateful example resource agent supplied with Linux HA. I'm trying to figure out how to get resource colocation constraints working efficiently. I have 128 master/slave Stateful resources with a configuration f

[Linux-HA] Linux-HA documentation

2010-03-23 Thread boaz
Hello, I am reading the Linux-HA documentation at http://www.linux-ha.org/doc, however it is divided into a million tiny little pages. I would like one file that I can easily print and read with ease away from the monitor. Can anyone provide such a file please? Thank you, ~ Boaz

Re: [Linux-HA] Link to CIB User guide

2010-03-23 Thread Andrew Beekhof
You want "configuration explained" http://www.clusterlabs.org/wiki/Documentation#Reference_Material On Tue, Mar 23, 2010 at 3:34 PM, mike wrote: > Hello all, > > I'm new to the LinuxHA world so be patient with me :--) > > I'm trying to find a document that will help me understand how to use >

[Linux-HA] Link to CIB User guide

2010-03-23 Thread mike
Hello all, I'm new to the LinuxHA world so be patient with me :--) I'm trying to find a document that will help me understand how to use cibadmin. I think what I'm looking for is the ClusterInformationBase UserGuide. Every link to it that I seem to find refers me back to linux-ha.org which con

Re: [Linux-HA] NFS and DRBD

2010-03-23 Thread Terry Inzauro
On 12/28/2009 08:07 AM, Michael Schwartzkopff wrote: > Am Montag, 28. Dezember 2009 14:57:53 schrieb Christopher Deneen: >> On Mon, Dec 28, 2009 at 8:50 AM, Michael Schwartzkopff >> >> wrote: >>> Am Montag, 28. Dezember 2009 14:43:25 schrieb Christopher Deneen: acpid atop

Re: [Linux-HA] Fail to Mount Filesystem

2010-03-23 Thread Umakant Goyal
Thanks, I will try this. One more question. I have set up of two node running in Active/Standby with DRBD. Is it good practise to start heartbeat while primary node is still synching with secondary node? In other words, when drbd connection between Primary and Secondary Node is in "SyncSource" stat

Re: [Linux-HA] Fail to Mount Filesystem

2010-03-23 Thread Jochen Lienhard
Hi, here some code of my cib.xml ... hope this will help you: and ... Umakant Goyal schrieb: > Hi, Thanks for Quick Response. Could u please suggest me the what all the > parameter values i need to change? > > > On Tue, Mar 23, 2010 at 1:37 PM, Jochen Lienhard

Re: [Linux-HA] Fail to Mount Filesystem

2010-03-23 Thread Umakant Goyal
Hi, Thanks for Quick Response. Could u please suggest me the what all the parameter values i need to change? On Tue, Mar 23, 2010 at 1:37 PM, Jochen Lienhard < lienh...@ub.uni-freiburg.de> wrote: > Hi, > > I had a similar problem too. > The problem was, that the system tried to demote the dbrd b

Re: [Linux-HA] Fail to Mount Filesystem

2010-03-23 Thread Jochen Lienhard
Hi, I had a similar problem too. The problem was, that the system tried to demote the dbrd before unmount ... even if I had a rule for this ... I solved this problems changing the timeouts. It seems to me that the default timeout oft the filesystem-ocf is to low. Greetings Jochen Umakant Goya