Insert the Controller back into its slot. Sometimes IBM will check this for you, but ultimately you as the customer are responsible. Answer to this FAQ: All disks of a storage model must be managed by the same driver. Reinsert the six screws. This configuration provides two paths to hdisks.
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The following examples are a small subset of the connectivity configurations that are supported using the DS Push to lock them back in place. I usually wait a minute before bringing the Controller back online. The best practice is d4s300 use 2 to 4 adapters providing 4 to 8 paths. DS family products interoperability matrix http: Notify me of follow-up comments by email. Leave a Reply Cancel reply Your email address will not be published.
The other two paths are used if the preferred controller is not accessible by the host. The final screw on the battery access panel will allow access to the failed battery. The array should now be in an optimal state. Published by David Maldonado. That out of the way, d4s300 should have the replacement battery on-site. Sometimes IBM will check this for you, but ultimately you as the customer are responsible. This is not is in accordance with the current T10 standards for the persistent reservations command set, but preserves compatibility with the legacy implementation.
You must connect the new battery harness to the two-pin connector on the Controller board. This is done through the Storage Manager Client. Reconnect the fiber and network exactly as it was before. Reattach the battery access panel.
This is in accordance with the current T10 standards for the persistent reservations command set. Controller B will start d4s300 its new battery as soon as its inserted.
Replace a Cache Controller Battery on an IBM DS – blockandfile
This policy uses the SCSI2 reserve to lock the device to a single initiator pathand commands routed through any other path result in a reservation conflict. The way this bug was described to me was — if you have Hitachi drives with older firmware than FQ8 — as soon as you reseat your controller — all of your Hitachi drives will show up as dz4300.
I usually label them prior to removal. The levers will catch. It is supported with DS firmware 6. Reinsert the six screws.
Replace a Cache Controller Battery on an IBM DS4300
In AIX Version 6. This simplifies zoning and improves performance. All disks of a storage model must be managed by the same driver. Push the Controller bottom panel toward the front to latch it to the side panels. The values are as follows: Once Controller B is failed.
Techdocs: Instructions to convert DS disks from MPIO to AIX_fcparray(RDAC).
AIX multipath for DS The other zone contains a different HBA port and controller port from controller B. Upgrading the drive firmware to FQ8 will prevent this problem. The default settings on a DS with firmware