AIX RDAC DRIVER

If you had a DS attached you would use a “4” in place of the “3” and so on. The Tek-Tips staff will check this out and take appropriate action. Red Flag This Post Please let us know here why this post is inappropriate. I would like to know how to unconfigure RDAC to be able to use sddpcm. Close this window and log in. Then, if this is a dual-controller subsystem, find the reason that the subsystem is operating in single- controller mode, and resolve that problem.

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There was a problem with the metadata of the FlashCopy snapshot repository during the FlashCopy operation. To resolve this error you can delete or recreate the FlashCopy snapshot. If a controller failure or a power down occurs while the LUN is running in this mode, data that is in the write cache but not written to the physical disk media might be lost. AIX Laisser un commentaire.

Promoting, selling, recruiting, coursework and thesis posting is forbidden. The probable reason is that it is a secondary logical drive of a FlashCopy, VolumeCopy, or remote mirror pair. Adresse de contact required. The warning displays when the LUN is opened, and it displays again every 24 hours until cache mirroring is enabled again.

If you had a DS attached you would use a “4” in place of the “3” and so on. Check which relationship applies to the logical drive. An operation failed because the disk array logical drive LUN is reserved by another host.

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Redundant Disk Array Controller Errors

The host has attempted to communicate with the subsystem and that communication has failed. In addition to the error code that you might encounter, a description of the what the error code designates is also provided.

I would like to know how to unconfigure RDAC to be able to use sddpcm.

It’s easy to join and it’s free. It can take two days for the cache batteries to be fully recharged. I didn’t use it myself though. Possible reasons are an HBA, switch port, switch, Disk Gdac port or Disk Subsystem controller was unavailable during the last system reboot or the last time the cfgmgr command was run, or a user removed a path dac as part of a Fibre Channel adapter hot swap operation.

qix Possible reasons; First, an HBA, switch port, switch, Disk Subsystem port or Disk Subsystem controller was unavailable during the last system reboot or the last time the cfgmgr command was run, second, user removed a path dac as part of a Fibre Channel adapter hot swap operation. Posting Guidelines Promoting, selling, recruiting, coursework and thesis posting is forbidden. The error might have been a communication or hardware problem, or it might have occurred because a LUN was moved to a controller that does not have a path to the current host If this is a dual-controller subsystem, find the reason that the subsystem is operating in single-controller mode, and resolve the problem.

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This could result from one of the controllers being rebooted while the error log was being generated. To resolve this error you can try the operation again.

This message is a warning that a disk array logical drive LUN is running with write cache enabled and cache mirroring disabled. This can result in corrupted files, file systems, or databases. A controller has changed worldwide names most likely either it was replaced without placing it in the reset state first, or the cabling was changed so that a different controller with the same SCSI ID is on the loop.

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MPIO RDAC IBM SAN STORAGE DS ?

The subsystem is operating as a single controller, and an error has been repaired. Click Here to join Tek-Tips and talk with other members! The subsystem is operating as a single controller, and the error has not been repaired. A logical unit has been moved from one controller to the other most likely by the action of an alternate host.

To resolve this error you can delete or recreate the FlashCopy. By joining you are opting in to receive e-mail.