在ONTAP 升级期间、LUN进入只读(RO)状态
适用场景
- Linux
- ONTAP 9.x
问题描述
- FC LUN在ONTAP 升级期间处于只读(RO)状态
- LUN已联机并已映射、EMS日志中未观察到任何错误事件
- 交换机日志在问题描述 时间戳期间未报告任何错误
- 在问题描述 时间戳期间、主机端会观察到以下事件
Apr 1 11:42:55 tokdhso2p3a kernel: sd 3:0:0:10: [sdaw] FAILED Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK cmd_age=8s
Apr 1 11:42:55 tokdhso2p3a kernel: sd 3:0:0:10: [sdaw] CDB: Write(10) 2a 00 03 7d 6a c0 00 00 08 00
Apr 1 11:42:55 tokdhso2p3a kernel: blk_update_request: I/O error, dev sdaw, sector 58550976
Apr 1 11:42:55 tokdhso2p3a kernel: sd 3:0:0:10: [sdaw] FAILED Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK cmd_age=6s
Apr 1 11:42:55 tokdhso2p3a kernel: sd 3:0:0:10: [sdaw] CDB: Write(10) 2a 00 04 42 a4 50 00 00 08 00
Apr 1 11:42:55 tokdhso2p3a kernel: blk_update_request: I/O error, dev sdaw, sector 71476304
Apr 1 11:42:55 tokdhso2p3a kernel: sd 3:0:0:10: [sdaw] FAILED Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK cmd_age=8s
DID_NO_CONNECT: no link/cable transport connectivity exists to the specified device, unable to send io request.
sdaw当设备仍位于内核配置中、但没有传输链路或连接可用于将命令传输到目标设备时、将返回状态