HP Cisco MDS 9020 Cisco MDS 9000 Family System Messages Reference (OL-15956-01 - Page 375
SS_EID_VL_ER_IO_MEDIUM_ERROR A media error has occurred during I/O to a Managed
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Chapter 2 System Messages and Recovery Procedures for the Cisco MDS 9000 Family Send documentation comments to [email protected] Error Message SVC-4-NODE_WARNING_MSG: (SVC [dec]/[dec] SS_EID_VL_ER_IO_MEDIUM_ERROR ) A media error has occurred during I/O to a Managed Disk [chars]. Explanation A disk I/O medium error has occurred. Recommended Action 1. Rewrite the bad data to the LBA block reported in the host systems SCSI sense data. Note: If this error has occurred during a migration, the host system does not notice the error until the target device is accessed. 2. Check managed disk status. If all managed disks show a status of online, mark the error you have just repaired as fixed. Introduced Cisco MDS SAN-OS Release 1.3(1). Error Message SVC-4-NODE_WARNING_MSG: (SVC [dec]/[dec] SS_EID_VL_ER_IO_MEDIUM_ERROR ) A media error has occurred during I/O to a Managed Disk [chars]. Explanation A disk I/O medium error has occurred. Recommended Action 1. Ask the customer to rewrite the bad data to the LBA block reported in the host systems SCSI sense data. Note: If this error has occurred during a migration, the host system does not notice the error until the target device is accessed. 2. Check managed disk status. If all managed disks show a status of online, mark the error you have just repaired as fixed. Introduced Cisco MDS SAN-OS Release 1.3(4a). Error Message SVC-4-NODE_WARNING_MSG: (SVC [dec]/[dec] SS_EID_VL_ER_IO_THRESHOLD_WARNING ) Managed Disk error count warning threshold met [chars]. Explanation I/O to the managed disk has experienced sufficient errors to generate this warning. If the managed disk continues to experience I/O errors, the managed disk may be excluded. Recommended Action Perform problem determination on the affected managed disk. Introduced Cisco MDS SAN-OS Release 1.3(1). Error Message SVC-4-NODE_WARNING_MSG: (SVC [dec]/[dec] SS_EID_VL_ER_LUN_DISCOVERY_FAILED ) Discovery of LUN failed [chars]. Explanation The cluster has a connection to the device on the SAN through this node, but the device has not responded to the node in a manner consistent with a functional device LUN. Recommended Action If there are device LUNs that should have been discovered by the node, follow these steps: 1. Perform a manual discovery. 2. Perform problem determination on the device. Introduced Cisco MDS SAN-OS Release 1.3(1). OL-15956-01 Cisco MDS 9000 Family System Messages Reference 2-339