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HOWTO to create EVMS native shared volumes, using a single hardware
drive with the following configuration?
/dev/evms/ogfs_cidev0 4 MBytes -- for cluster information
/dev/evms/ogfs_jrnl0 128 MBytes -- for external journal 0
/dev/evms/ogfs_jrnl1 128 MBytes -- for external journal 1
/dev/evms/ogfs_fs0 rest of drive -- for filesystem data
PRELIMINARIES
-------------
This document assumes that you have installed EVMS (and the DM device mapper)
on your systems. See installation documentation available at the EVMS website:
http://evms.sourceforge.net
. . . For your convenience, there are some patch tarballs available on the OGFS
Download page (*not* CVS!) that incorporate the kernel patches for OGFS, EVMS,
DM, and KDB (kernel debugger), and even more, all in one. See HOWTO-nopool,
step 2.A. for details.
EVMS SETUP
---------
You may follow the steps below manually, using the EVMS GUI, but see also the
scripts "evms_create" and "evms_delete" in the opengfs/scripts directory.
1. Invoke the EVMS GUI by typing 'evmsgui'
2. Click Action->Create->Container A 'Create Storage Container' dialog
box pops up.
3. Select 'Cluster Segment Manager' and click Next A 'Select Plugin
Acceptable Objects' dialog box pops up.
4. Select the disk on which you want to create the shared volumes, and
click Next. A 'Configuration Options' dialog box pops up.
5. Ignore the NodeId pull down menu. Select 'shared' in the Type pull
down menu and Fill in some name e.g 'ogfs_contnr' and click Create
button. A Operation 'Completed Successfully' dialog box appears.
6. Click OK and you are taken to the main window.
7. Click Action->Create->Container. A 'Create Storage Container'
dialog box pops up.
8. Select 'LVM Region Manager' and click Next. A 'Select Plugin
Acceptable Objects' dialog box pops up.
9. Select 'csm/ogfs_contnr/xxxx_data' where xxxx is the disk name you
selected in step 4 and click Next. A 'Configuration
Options' dialog box pops up.
10. Fill in some name e.g. ogfs_lvm_contnr in the 'Name of the new LVM
container' Text area. Select 4.0 MB from the pull down menu in
'PE size for new container' And Click Next. A 'Operation
Completed Successfully' dialog box appears.
11. Click OK. and you are taken to the main window.
12. Click Action->Create->Region. A 'Create Storage Region' dialog box
pops up.
13. Select 'LVM Region Manager' and click Next. A 'Select Plugin
Acceptable Objects' dialog box pops up.
14. Select 'lvm/ogfs_lvm_contnr/Freespace' and click Next. A
'Configuration Options' dialog box pops up.
15. In the Page1 tab, in the "Name of new LVM Region (LV)" text menu
type in some region name e.g. 'ogfs_cidev0_rgn' and in the
"Size of new region (MB)" text menu, type in 4MB and click
Create
16. A 'Operation Completed Successfully' dialog box appears. Click OK
and you are taken to the main window
17. Click Action->Create->Region. A 'Create Storage Region' dialog box
pops up.
18. Select 'LVM Region Manager' and click Next. A 'Select Plugin
Acceptable Objects' dialog box pops up.
19. Select 'lvm/ogfs_lvm_contnr/Freespace' and click Next. A
'Configuration Options' dialog box pops up.
20. In the Page1 tab, in the "Name of new LVM Region (LV)" text menu
type in some region name e.g. 'ogfs_jrnl0_rgn' and in the "Size
of new region (MB)" text menu, type in 128MB and click Create
21. A 'Operation Completed Successfully' dialog box appears. Click OK
and you are taken to the main window
22. Click Action->Create->Region. A 'Create Storage Region' dialog box
pops up.
23. Select 'LVM Region Manager' and click Next. A 'Select Plugin
Acceptable Objects' dialog box pops up.
24. Select 'lvm/ogfs_lvm_contnr/Freespace' and click Next. A
'Configuration Options' dialog box pops up.
25. In the Page1 tab, in the "Name of new LVM Region (LV)" text menu
type in some region name e.g. 'ogfs_jrnl1_rgn' and in the "Size
of new region (MB)" text menu, type in 128MB and click Create
26. A 'Operation Completed Successfully' dialog box appears. Click OK
and you are taken to the main window
27. Click Action->Create->Region. A 'Create Storage Region' dialog box
pops up.
28. Select 'LVM Region Manager' and click Next. A 'Select Plugin
Acceptable Objects' dialog box pops up.
29. Select 'lvm/ogfs_lvm_contnr/Freespace' and click Next. A
'Configuration Options' dialog box pops up.
30. In the Page1 tab, in the "Name of new LVM Region (LV)" text menu
type in some region name e.g. 'ogfs_fs0_rgn' click Create
31. A 'Operation Completed Successfully' dialog box appears. Click OK
and you are taken to the main window
32. Click Action->Create->EVMS Volume. A 'Create EVMS Volume' dialog
box pops up.
33. Select 'lvm/ogfs_lvm_contnr/ogfs_cidev0_rgn' in the selection box
and then type in 'ogfs_cidev0' in Name text menu and click
Create. A 'Operation Results' box pops up indicating the
creation of the volume is successful. Click OK and you are
taken to the main window
34. Click Action->Create->EVMS Volume. A 'Create EVMS Volume' dialog
box pops up.
35. Select 'lvm/ogfs_lvm_contnr/ogfs_jrnl0_rgn' in the selection box
and then type in 'ogfs_jrnl0' in Name text menu and click
Create. A 'Operation Results' box pops up indicating the
creation of the volume is successful. Click OK and you are
taken to the main window
36. Click Action->Create->EVMS Volume. A 'Create EVMS Volume' dialog
box pops up.
37. Select 'lvm/ogfs_lvm_contnr/ogfs_jrnl1_rgn' in the selection box
and then type in 'ogfs_jrnl1' in Name text menu and click
Create. A 'Operation Results' box pops up indicating the
creation of the volume is successful. Click OK and you are
taken to the main window
38. Click Action->Create->EVMS Volume. A 'Create EVMS Volume' dialog
box pops up.
39. Select 'lvm/ogfs_lvm_contnr/ogfs_fs0_rgn' in the selection box and
then type in 'ogfs_fs0' in Name text menu and click Create. A
'Operation Results' box pops up indicating the creation of the
volume is successful. Click OK and you are taken to the main
window
40. Click Action->Save. A 'Save Changes Confirmation' dialog box
appears Click Save.
41. You might see a 'Messages' box popping up. Click OK and you are
taken to the main window.
42. Click Action->Quit. A 'Save Changes Confirmation' dialog box
appears Click Save.
43. You might see a 'Messages' box popping up. Click OK and you exit
out of the GUI.
44. Run evms_activate on all nodes of the cluster.
45. As a confirmation, check for the existence of the follow block
devices on all nodes of the cluster.
/dev/evms/ogfs_cidev0
/dev/evms/ogfs_jrnl0
/dev/evms/ogfs_jrnl1
/dev/evms/ogfs_fs0