Cannot configure a two-node MSCS cluster.

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  Work on the establishment of a MSCS cluster on 2 hosts.  The hosts are the ESXi 5.5 build 1892794.

  My shared disks are RDM compatibility mode physical that I have attached to a second SCSI controller in physical sharing mode.

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  Here's what VMware has sent:

  =======================

  -A virtual machine that has a ROW in a MSCS cluster connected in physical compatibility mode cannot be vMotioned.

  -Even if you do a cold vMotion (stop the virtual computer, then vMotion), the ROW could be detected as vmdk and you may need to remove
  She and present it back or re - enter as you mentioned.

  -Best practices recommend Vmware are that - before the migration, remove the ROW of the virtual machine, and then migrate the virtual machine. Once the
  VM was vMotion, then you can attach the RDM to the virtual machine.

  Unfortunately there is no work around on this
  scenario.

  ======================================

  So I guess the cold, you can migrate the MSCS cluster nodes but sometimes it does not work quite as well and so its best to remove the ROW before migration cold.

  Thanks to all who have posted!

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  Hello

  I have an ESX Cluster that must be restarded. This host cluster to a MSCS Cluster (without recommendations affinity VMWARE DRS...).

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  Thank you

  Should not able to vmotion for DRS wikll MSCS cluster node does not work - strting with the ESX host that has the standby node place it in Maintenance mode and manually knew node MSCS nodes - restart the host ESXi get node maintenance - once it is up and the lcuster MSCS is stable - the main failover node MSCS and shute to the bottom of the virtual machine - place this host ESX to Maintanance mode allowinf DRS to evacuate VMS running - restart the ESX host brings the VM MSCS back up and replace the workload in this node MSCS.

• Two-node Rac (11204) Cluster node 1 has failed to stop with error: impossible to get in touch with the loan of cluster service. duty to force stop

  Newly build Production environment (don't use it yet)

  OS: Linux redhat 64-bit 2.6.18

  Cluster version: 11.2.0.4

  This environment clusterware installed last December, we are trying to install oracle RDBMS, so try to first stop the crs.  However on node 1, the v$ asm_diskgroup shows nothing under total_mb /free_mb on diskgroup OCR.  and stop the crs shows: impossible to get in touch with the loan of cluster service.

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  2014-03-25 03:50:01.429:

  [crsd (8608)] CRS-1013: the location of the OCR in ASM disk group is inaccessible. Details in u00/app/11.2.0.4/grid/log/oprd100/crsd/crsd.log.

  2014-03-25 03:50:01.433:

  [crsd (8608)] CRS - 0804:Cluster Ready Service interrupted due to the Oracle Cluster registry error [PROC-26: error when accessing the physical storage]

  ]. Details at (: CRSD00111 :) in u01/app/11.2.0.4/grid/log/orpd100/crsd/crsd.log.)

  2014-03-25 03:50:02.123:

  [ohasd (12490)] CRS - 2765:Resource 'ora.crsd' failed on the server "orpd100".

  2014-03-25 03:50:03.407:

  [crsd (8623)] CRS-1013: the location of the OCR in ASM disk group is inaccessible. Details in u01/app/11.2.0.4/grid/log/orpd100/crsd/crsd.log.

  2014-03-25 03:50:03.411:

  [crsd (8623)] CRS - 0804:Cluster Ready Service interrupted due to the Oracle Cluster registry error [PROC-26: error when accessing the physical storage]

  The NEWSPAPER of the ASM alerts:

  Wed Mar 25 03:21:49 2014

  WARNING: Waited 15 seconds IO to write to the disk of PST 1 in Group 1.

  WARNING: Waited 15 seconds to write IO to disk of PST 2 in Group 1.

  WARNING: Waited 15 seconds IO to write to the disk of PST 1 in Group 1.

  WARNING: Waited 15 seconds to write IO to disk of PST 2 in Group 1.

  Wed Mar 25 03:21:49 2014

  NOTE: process _b000_ + asm1 initiating (21071) 1.1807368888 disk offline (OCR_0681_2EF4) with mask 0x7e in Group 1

  NOTE: process _b000_ + asm1 initiating (21071) 2.1807368889 disk offline (OCR_0681_2EF5) with mask 0x7e in Group 1

  NOTE: check PST: grp = 1

  GMON seeking ways of disc for Group 1 to 5 pid 27, DiSo 21071

  ERROR: read no quorum within Group: required 2 found 1 records

  NOTE: audit PST grp 1 fact.

  NOTE: start the PST update: grp = 1, dsk = 1/0x6bba42b8, mask is 0x6a, op = clear

  NOTE: start the PST update: grp = 1, = 2/0x6bba42b9 dsk, mask is 0x6a, op = clear

  GMON update modes of disk for the Group 1 to 6 for 27, DiSo 21071 pid

  ERROR: read no quorum within Group: required 2 found 1 records

  Wed Mar 25 03:21:49 2014

  NOTE: disassembly of the cache (not clean) Group 1/0x35AAB27B (OCR_DATA)

  WARNING: For disk offline OCR_0681_2EF4 0x7f mode failed.

  2 node rac cluster is normal.  We were able to stop the crs without force.

  What should I look at to understand what is happening here?

  Thanks to adavnace.

  WARNING: For disk offline OCR_0681_2EF5 0x7f mode failed.

  NOTE: e-mail CKPT suspend pins Unix process pid: 21073, image:

  No default value is 1 M

• The host cannot be admitted to the current cluster Enhanced vMotion compatibility mode.

  Hello everyone

  Here's the situation...

  I have:

  vSphere 5.1 Cluster with two 5.1 ESXi hosts and configuration VSA.

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  Task: Transfer virtual vCenter to a physical machine.

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• Poor with RDM only when added to the CAB MSCS cluster performance

  Hey guys, thanks for taking a peek at this question... I'm looking for some ideas.

  I have 2 virtual machines running Windows 2008R2.  They put MSCS in place and works as a taxi (cluster across boxes).  I use a 7500 VNX, fiber channel and RDM physical drives.  Is on an 8 node ESXI 5.1 v1117900 implemented.  Functionally, everything works fine.

  The problem is that the performance is very poor on only the RDM that have been added to the MSCS cluster.  I can take the same drive, remove the cluster, run IOmeter and it's fast.  I add to the cluster, MSCS, leaving in storage, and it is 1/15th the IOPS performance / s.  Remove the drive of MSCS and it goes back to when you run as usual.

  I tried different controllers SCSI (LSI Logic SAS vs Paravirtual) and it doesn't seem to make a difference.  I have physical MSCS clusters that do not seem to present this kind of performance problem, so I wonder if it was not something goofy with the MSCS on the configuration of virtual machines.

  I've already implemented in this article: http://kb.vmware.com/selfservice/microsites/search.do?language=en_US & cmd = displayKC & externalId = 1016106

  I saw this poor bus rescan the performance issue until I put the RDM perpetually booked, but it was not a problem since I implemented the fix.

  For any help or suggestion is appreciated...

  Thank you

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  Recently, I upgraded my esxi from 5.0 to 5.1 environment and have a bunch of systems with RDM. I had a problem as well. What I found, was that during the upgrade it changed all the policies of path to the LUN and rdm, it's the turn of robin. This causes a huge performance issue in my environment. I changed all the paths to MRU and it solved the problem.

• Cost Estimate to two nodes

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  Need to implement Oracle RAC on two nodes. I tried first time so need tips basic with you all in what concerns the basic requirements for the installation of RAC.
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  What are the basic things I need to keep in mind before installing the CARS.
  
  thanx

  Hello

  It is recommended, you can find first requirements oracle dovumentation and many messages from oracle by oracle experts blog.

  And my recommendation is before the installation, try checking your configuration with CLUVFY - Cluster verification utility.

  http://docs.Oracle.com/CD/E14072_01/RAC.112/e10717/CVU.htm
  http://www.Oracle.com/technetwork/database/clustering/downloads/CVU-download-homepage-099973.html

  Mr. Mahir Quluzade

• Number maximum official virtual computers Win2k8 supported in a MSCS cluster

  Please can someone point me on the official document or an answer to the following questions:

  • What is the maximum number of Windows 2008 virtual computers based supported in a MSCS cluster (based on vSphere 4.x cluster)

  • more generally, what is the maximum number of Windows 2008 virtual computers based supported in a MSCScluster (based on any cluster ESX/ESXi)

  All the documentation I've seen only speak of 2 nodes (and other sources mention that only 2-node MSCS clusters are supported by VMWARE), but I want a definitive answer to VMWARE or documentation that specifies the maximum number of VMs of Windows 2008 that can be in a MSCS cluster hosted on ESX/ESXi clusters.

  Thank you.

  All the documentation I've seen only speak of 2 nodes (and other sources mention that only 2-node MSCS clusters are supported by VMWARE), but I want a definitive answer to VMWARE or documentation that specifies the maximum number of VMs of Windows 2008 that can be in a MSCS cluster hosted on ESX/ESXi clusters.

  The documentations are correct. Even though you may be able to create a cluster with more than two nodes, the supported limit is 2 knots.

  Take a look at MSCS documents to http://kb.vmware.com/kb/1004617

  literature vSphere 4.1 (page 34):

  Table 6-2. Other requirements and recommendations of Clustering

  ...

  Windows - only two cluster nodes.

  André

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  I get this error when you add a new SCSI device to one of my Virtual Machines, the device is a tape drive HP SureStore DAT40. The error occurs when the virtual machine is running, around 60% powerup.

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  Hello vango333!

  Please try this.

  VMware Infrastructure Client

  1. 'Configuration'-> 'Storage'-> select target storage

  2. Please download * target VM *.vmx

  Edit the vmx file

  1. Edit *.vmx (wordpad, etc...)
     (Front)
     scsi0:1.present = 'true '.
     scsi0:1.DeviceType = "scsi-passthru.
     scsi0:1.filename = ' / vmfs/devices/genscsi / vmhba3:5:0:0. "
     scsi0:1.allowGuestConnectionControl = "false".
     (After)
     scsi0:1.present = 'true '.
     scsi0:1.DeviceType = "scsi-passthru.
                     scsi0:1.filename = ' / vmfs/devices/genscsi / vmhba3:5:0. 
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  2. Download * *.vmx

  VMware Infrastructure Client

  ' Power On ' target VM

  It ends in the present.

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  Published by: user121379 on Sep 2, 2011 12:30

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  Hello
  I'm installing Oracle RAC for SAP to AIX 5 L.
  After performing due diligence for the installation of cluster service, it returns the following message:
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  This meessage happens after checking access node and the phases of user equivalence.
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  pr_bd01/oramedia/clusterware/Disk1/cluvfy / > stage pre - crsinst - n pr_bd01, pr_bd02./runcluvfy.sh
  
  Conducting due diligence to install cluster services
  
  Audit accessibility of node...
  Verification of accessibility node from node 'pr_bd01 '.
  
  
  Verify the equivalence of the user...
  Check of user equivalence passed for user 'oracle '.
  
  ERROR:
  "/Tmp/" path does not exist and cannot be created on nodes:
  pr_bd01
  Audit will proceed to nodes:
  pr_bd02
  
  Check prior to the installation of cluster service failed on all nodes.
  
  The directory/tmp is a shared file system and oracle user can write and read
  User Oracle ID is the same in both nodes
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  The primary group for the user Oracle is oinstall
  
  Where is my problem?
  
  Thank you
  
  Published by: user8114467 on 02/27/2009 07:17

  You can also run with - verbose flag - what is the difference between / tmp on 2 machines - define export CV_DESTLOC = /.