scsi.cmd.adapterHardwareErrorEMSOnly：不明なデバイス 0x.1.1.99：アダプタがハードウェアエラーを検出しました：HA ステータス 0xb：cdb 0xa0。

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Category:: disk-shelves

Specialty:: HW

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環境

NS224シェルフ
NSM100.0306.SFWを実行しているNetAppシェルフモジュール

問題

複数のシェルフIDについてONTAPイベントのエラーメッセージが報告され、時刻またはシェルフにパターンがない。例：

scsi.cmd.abortedByHost: Unknown device 0x.1.1.99: Command aborted by host adapter: HA status 0x4: cdb 0xa0.

scsi.cmd.adapterHardwareErrorEMSOnly: Unknown device 0x.1.1.99: Adapter detected hardware error: HA status 0xb: cdb 0xa0.

scsi.cmd.selectionTimeout: Unknown device ?:?.?: Adapter/target error: HA status 0x7: cdb 0xa0. Targeted device did not respond to requested I/O. I/O will be retried.

関連するONTAP健全性アラートイベント。例：

Severity: ERROR

Message: scsi.cmd.abortedByHost: Unknown device 0x.1.1.99: Command aborted by host adapter: HA status 0x4: cdb 0xa0.

Description: This message occurs when the host adapter aborts an I/O request, either because it was a victim or because of an HA timeout.

Corrective Action: This condition does not necessarily mean that the target device is problematic. High workloads can cause loop saturation, leading to device contention for the bus. Transport issues can also cause loop throughput to decrease, thereby causing I/Os to take longer than normal. Seen occasionally, no action is required; the system handles the condition automatically by retrying the I/O that was aborted. Seen in association with a persistent error condition, such as device resets or transport errors, it is likely the symptom of a loop stability problem.

Source: scsi_cmdblk_strthr_admin

Severity: ERROR

Message: scsi.cmd.adapterHardwareErrorEMSOnly: Unknown device 0x.1.1.99: Adapter detected hardware error: HA status 0xb: cdb 0xa0.

Description: This message occurs when the host adapter detects that a loop is down, the scsi bus transport has an error, or the adapter hardware itself has a problem, such as with a disk drive, cable, and so on.

Corrective Action: Evaluate for partial component failure the following loop hardware involved in the Fibre Channel transport: cables, transceivers, and I/O modules (LRC, ESH/ESH2, AT-FC, AT-FC2, and AT-FCX). If this error occurs in conjunction with transport errors on the same loop, ensure that all drive carriers are seated firmly in their enclosure bays, and verify that all cables are properly connected and undamaged. Also check the backplane connectors--if they are bent or broken, you must replace them. If the error persists for a specific device or I/O module from multiple adapters, you should replace that hardware module.

Source: scsi_cmdblk_strthr_admin

Severity: ERROR

Message: scsi.cmd.selectionTimeout: Unknown device ?:?.?: Adapter/target error: HA status 0x7: cdb 0xa0. Targeted device did not respond to requested I/O. I/O will be retried.

Description: This message occurs when the host adapter returns either a selection time out error (SCSI) or an invalid target error (FC). In effect, the specified device failed to acknowledge a request.

Corrective Action: Either the targeted device failed to respond or the address of the targeted device is no longer valid. If an alternate path to the device exists, the I/O will be automatically retried on the alternate path. If seen in conjunction with other timeouts on the same bus/loop, there may be a problem with the bus/loop, not the specific device. If this event is not seen in conjunction with any other error recovery activity on the same bus/loop, the specified device should be evaluated for proper operation and possible replacement.

Source: scsi_cmdblk_strthr_admin