Yes, I moved the Quorum from its own Group and into the Cluster Group.
I have also set the nodes as 6, 7 respectively. When I did this in the Support CD ServeRAID application then verified it from the BIOS SCSI adapter view.
The SCCI IDs from BIOS View look all unique and where they should be...
Correction... no... both Disks are 'unreadable' on the Passive node.
I would think that this is normal. The state may have taken awhile to change... in the user interface.
Question:
I have only two (2) clustered drives in this instance. Quorum on Q: and Mail Disk on M:.
Now... the Q Drive can be see from BOTH nodes while the M Drive can only be seen from the Active Node... using Computer Management app.
The M: Drive is in a Resource Group by itself.
Is this a...
Yes, I believe I have a good understanding about SCSI devices. I do not see SCSI conflicts... I think ServeRAID would report these in some way.
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I just read a comment from Microsoft about DISK SCAN (BIOS controlled) on reboot. They suggest turning this off.
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Action performed to cause the failover... was to stop the C32 node.
Node C32 (Machine Name)
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Log - System
10:13:50: The Cluster Service failed to bring the Resource Group "Cluster Group" completely online or offline.
10:13:50: The Cluster Service is...
OK, I imported the Server A configuration via "Copy from Disks" but this could only be performed from the BIOS ServeRAID controller application (that is NOT the IBM Support CD, as there was no functionality of this sort on the CD).
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The Cluster is installed... and re-synching now...
--...
Hi Vittorio,
I believe I understand the process. There is only ONE outstanding question that I have.
The ServeRAID 6M does support IMPORT from Disk in Cluster MS Windows 200x mode.
So I am wondering how I create the Logical Disks on Server B. The choices that I can see would be:
1: Manually...
One other perceived differece... the IBM help wizard says:
"Enter a merge-group number for the shared logical drive. This merge-group number must be unique from the partner controller (that is, the merge-group number for any logical drive belonging to the partner controller cannot be the same...
Hi VictorV,
I notice that you make the statement "Choose copy configuration from disks" with regard to Server B.
This is implying that BOTH cards (A and B) need to have logical disk definitions in their settings. The copy from disk must be a similar method as typing it back into Server B, but...
Sorry, maybe I misunderstood your question.
Yes, the configuration of hardware that was working was in fact 7.12.12... and these are the CDs that came with the system.
We did not use those CDs but rather downloaded marginally newer version from the IBM website. v7.12.13
Good question...
1: 3 x 70 GB disks came in the EXP400
2: 2 x 18 GB disks were taken out of a xSeries 335
When we received this from our partners in Japan only the 3 (70 GB) disks were in it... we added the others ourselves.
I have not seen the EXP400 complain about the disks.
Hi VictorV,
New clean installation... it is to be a test environment for MS Exchange stuff.
- 2 IBM xSeries 336
- 2 LSI RAID integrated Controller 1 (2 channels)
- 2 ServeRAID 6M Controller 2 (2 channels)
- EXP 400
- 5 Disks, 3 Logical, 2 RAID-1, 1 RAID-0
- Q Disk Quorum is on Logical Disk 18...
Hi VictorV,
Thank you very much for your comments. I am especially interested in the point you make about BOTH cards needing to know the configuration of the array sub-system.
Are you saying that when configuring... both ServeRAID cards should be 'logically defined' for physical disks, arrays...
Hi All,
We have IBM ServeRAID 6M Windows 2003 Server which is new. It was two nodes which have been recently setup.
Problem is that when it fails over... all clustered disks re-synch.
Does anyone have experience with this?
John
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