Sun Cluster Geographic Edition System Administration Guide

ProcedureHow to Create a Copy of the Volume Manager Configuration

This task copies the volume manager configuration from the primary cluster, cluster-paris, to LUNs of the secondary cluster, cluster-newyork, using the VERITAS Volume Manager commands vxdiskadm and vxassist command.


Note –

The device group, devgroup1, must be in the SMPL state throughout this procedure.


Steps
  1. Confirm that the pair is in the SMPL state.


    phys-newyork-1# pairdisplay -g devgroup1
    Group PairVol(L/R) (Port#,TID,LU),Seq#,LDEV#,P/S,Status,Fence,Seq#,P-LDEV# M 
    devgroup1 pair1(L) (CL1-C , 0, 20)12345 609..SMPL ---- ------,----- ----   - 
    devgroup1 pair1(R) (CL1-A , 0, 1) 54321   1..SMPL ---- ------,----- ----   - 
    devgroup1 pair2(L) (CL1-C , 0, 21)12345 610..SMPL ---- ------,----- ----   - 
    devgroup1 pair2(R) (CL1-A, 0, 2) 54321    2..SMPL ---- ------,----- ----   -
  2. Create VERITAS Volume Manager disk groups on shared disks in cluster-paris.

    For example, the d1 and d2 disks are configured as part of a VERITAS Volume Manager disk group, which is called oradg1, by using commands, such as vxdiskadm and vxdg.

  3. After configuration is complete, verify that the disk group was created by using the vxdg list command.

    The output of this command should show oradg1 as a disk group.

  4. Create the VERITAS Volume Manager volume.

    For example, a volume that is called vol1 is created in the oradg1 disk group. The appropriate VERITAS Volume Manager commands, such as vxassist, are used to configure the volume.

  5. Import the VERITAS Volume Manager disk group.


    phys-newyork-1# vxdg -C import oradg1
  6. Verify that the VERITAS Volume Manager disk group was successfully imported.


    phys-newyork-1# vxdg list
  7. Enable the VERITAS Volume Manager volume.


    phys-newyork-1# /usr/sbin/vxrecover -g oradg1 -s -b
  8. Verify that the VERITAS Volume Manager volumes are recognized and enabled.


    phys-newyork-1# vxprint
  9. Register the VERITAS Volume Manager disk group, oradg1, in Sun Cluster.


    phys-newyork-1# scconf -a -D type=vxvm, name=oradg1, \
    nodelist=phys-newyork-1:phys-newyork-2
  10. Synchronize the VERITAS Volume Manager information with the Sun Cluster device group and verify the output.


    phys-newyork-1# scconf -c -D name=oradg1, sync
    phys-newyork-1# scstat -D
  11. Create a UNIX file system.


    phys-newyork-1# newfs dev/vx/dsk/oradg1/vol1
  12. Add an entry to the /etc/vfstab file on phys-newyork-1.


    phys-newyork-1# /dev/vx/dsk/oradg1/vol1 /dev/vx/rdsk/oradg1/vol1 /mounts/sample \
    ufs 2 no logging
  13. Create a mount directory on phys-newyork-1.


    phys-newyork-1# mkdir -p /mounts/sample
  14. Create an application resource group, apprg1 by using the scrgadm command.


    phys-newyork-1# scrgadm -a -g apprg1
  15. Create the HAStoragePlus resource in apprg1.


    phys-newyork-1# scrgadm -a -j rs-hasp -g apprg1 -t SUNW.HAStoragePlus \
    -x FilesystemMountPoints=/mounts/sample -x AffinityOn=TRUE \
    -x GlobalDevicePaths=oradg1 \
  16. If necessary, confirm that the application resource group is correctly configured by bringing it online and taking it offline again.


    phys-newyork-1# scswitch -z -g apprg1 -h phys-newyork-1
    phs-newyork-1# scswitch -F -g apprg1
  17. Unmount the file system.


    phys-newyork-1# umount /mounts/sample
  18. Take the Sun Cluster device group offline.


    phys-newyork-1# scswitch -F -D oradg1
  19. Verify that the VERITAS Volume Manager disk group was deported.


    phys-newyork-1# vxdg list
  20. Verify that the pair is still in the SMPL state.


    phys-newyork-1# pairdisplay -g devgroup1 
    Group PairVol(L/R) (Port#,TID,LU),Seq#,LDEV#,P/S,Status,Fence,Seq#,P-LDEV# M 
    devgroup1 pair1(L) (CL1-C , 0, 20)12345 609..SMPL ---- ------,-----  ----  - 
    devgroup1 pair1(R) (CL1-A , 0, 1) 54321   1..SMPL ---- ------,-----  ----  - 
    devgroup1 pair2(L) (CL1-C , 0, 21)12345 610..SMPL ---- ------,-----  ----  - 
    devgroup1 pair2(R) (CL1-A, 0, 2)  54321   2..SMPL ---- ------,-----  ----  -