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發(fā)表于 2010-07-28 15:49 |只看該作者 |倒序瀏覽

本帖最后由飛揚(yáng)夢想于 2010-07-28 16:15 編輯

IBM DS4500 B控制器offline,故障診斷資料和截圖。麻煩朋友給幫忙分析一下。
不勝感激

Details
Storage Subsystem: szczds4500
Controller in slot A
Enclosure: Controller enclosure
Serial number: 1T50325482

Offline Controller
What Caused the Problem?
The controller was placed Offline. This could be caused by the following:

The controller failed a diagnostic test and was automatically placed Offline. The diagnostics are initiated internally by the controller or by the Advanced >> Troubleshooting >> Run Diagnostics >> Controller menu option.
The controller was manually placed Offline using the Advanced >> Recovery >> Place Controller >> Offline menu option.
The Recovery Guru Details area provides specific information you will need as you follow the recovery steps.

Caution
Electrostatic discharge can damage sensitive components. Use a grounding wrist strap or other anti-static precautions before removing or handling components.

Important Notes
Not all models of storage subsystems contain batteries. If your storage subsystem does not contain batteries, you can ignore any references to them in the following steps. To determine if your storage subsystem contains batteries, use the Storage Subsystem >> View Profile option and select the Enclosures tab. Storage Subsystems without batteries will not have those components listed.
If write caching on any logical drive is enabled, it might be automatically suspended until this issue is corrected and all batteries are fully charged (if batteries are present). To see if caching is disabled, use the Logical Drive >> Change >> Cache Settings menu option. Any option with the red dot icon is currently suspended.
Logical Drives assigned to the Offline controller have been moved to the storage subsystem's Online controller.
If the controllers for this storage subsystem are located in an enclosure containing both controllers and drives, you may have to insert the battery from the old controller canister into the new replacement controller canister. Consult the following steps and your hardware documentation for details.

Recovery Steps
1
If...
Then...

The controller was manually placed Offline
Place the controller back Online by highlighting the controller in the Physical View of the Subsystem Management Window and selecting Advanced>>Recovery>>Place Controller>>Online.

Go to Step 3.

The controller was NOT manually placed Offline
Go to Step 2.

2.  a  Remove the defective controller. The defective controller (A or B) is listed in the Recovery Guru Details area.

Note: Before you insert a new controller canister into an Out-of-Band Managed Storage Subsystem (refer to the Network Management Type column in the Enterprise Management Window), you must update the DHCP/BOOTP server so that it will associate the new controller's hardware Ethernet address with the host name and IP address previously assigned to the removed controller.

To update the DHCP/BOOTP server, find the entry associated with the removed controller and replace its Ethernet address with the new controller's Ethernet address. The controller's Ethernet address is located on an Ethernet ID label on the controller canister in the form xx.xx.xx.xx.xx.xx. If you need more details, consult the Storage System Planning Guide.

b  If...
Then...

The controllers for this storage subsystem are located in an enclosure containing both controllers and drives
Check to see if the new controller canister contains a battery.

If your model of storage subsystem does not contain batteries, go to Step c.
If your model of storage subsystem is supposed to contain batteries and...
there is not a battery installed in the new controller canister, then install the battery from the old canister and go to Step c.
there is a battery installed in the new controller canister, then go to Step c.

The controllers for this storage subsystem are located in an enclosure containing only controllers
Go to Step c.

c  Make sure at least 1 minute has elapsed. Then, insert the new controller canister firmly into place.

Note the controller slot (A or B) of the affected controller listed in the Recovery Guru Details area. Highlight this controller slot in the Physical View of the Subsystem Management Window.

If...
Then...

The controller indicates that it is Online
Go to Step d.

The controller indicates that it is Offline
Select Advanced>>Recovery>>Place Controller>>Online and then go to Step d.

d  If...
Then...

The controllers for this storage subsystem are located in an enclosure containing both controllers and drives
Determine whether you need to reset the battery age.

If your model of storage subsystem does not contain batteries, go to Step 3.
If your model of storage subsystem is supposed to contain batteries and...
you installed the battery from the old controller canister, then you don't need to reset the battery age. Go to Step 2.
there was already a battery in the new replacement controller canister, then you must reset the battery age using the following procedure:
Select the Components button  on the enclosure containing the controllers in the Physical View of the Subsystem Management Window. Highlight the Batteries option and select the Reset button associated with the new controller canister (A or B). Then, go to Step 3.

The controllers for this storage subsystem are located in an enclosure containing only controllers
Go to Step 3.

3
If you have logical drives mapped to hosts that have Automatic Logical Drive Transfer (ADT) disabled, it may be necessary to redistribute the logical drives to their preferred controller. Use the following steps to determine the ADT status of the hosts connected to your storage subsystem:

a  Open the Storage Subsystem Profile by selecting the Storage Subsystem>>View Profile menu option from the Subsystem Management Window. Then, select the profile's Mappings tab.

b  Scroll to the NVSRAM Host Type Internal Definitions section.

c  If...
Then...

There are hosts mapped to logical drives on this storage subsystem that have an ADT status of disabled

OR

There are hosts mapped to logical drives on this storage subsystem that are not running a host-based, multi-path failover driver
It may be necessary to redistribute the logical drives to their preferred controller. If the Subsystem Management Window's Advanced>>Recovery>>Redistribute Logical Drives menu option is available, select the option.

Note: If you have a mix of hosts with ADT enabled and ADT disabled, all logical drives will be immediately assigned back to their preferred path. However, until the host-based, multi-path failover driver detects the valid preferred path (may take several minutes), the logical drives mapped to the ADT-enabled hosts may get temporarily returned back to the non-preferred path.

If the menu option is not available (grayed out), the logical drives are already associated with their preferred controllers and no action is needed.

Go to Step 4.

There are NO hosts mapped to logical drives on this storage subsystem with an ADT status of disabled

AND

All hosts mapped to logical drives on this storage subsystem are running a host-based, multi-path failover driver
No action is required.

If logical drives need to be redistributed to their preferred controller, the host-based, multi-path failover driver will automatically initiate the transfer.

Note that detection of a restored preferred path by the multi-path failover driver can take several minutes.

Go to Step 4.

4
Select Recheck to rerun the Recovery Guru. The failure should no longer appear in the Summary area.