连接到SAS端口x的缆线在降级模式下运行
适用场景
- ONTAP 9
- SAS存储架
- 系统已通过缆线连接多路径HA
问题描述
- EMS报告：
[sas.cable.degraded:warning]: Cable attached to SAS port "0b" is functioning in a degraded mode
- 从
sysconfig -a输出中检查时、某些PHY的速度会降低：
::> system node run -node <node-name> -command sysconfig -a
slot 0: SAS Host Adapter 0b (PMC-Sierra PM8072 rev. C, SAS, <UP>)
Firmware rev: 03.08.09.00
Base WWN: 5:00a098:00e1428:a4
Temperature: Not Available
Phy State: [8] Enabled, 12.0 Gb/s
[9] Enabled, 6.0 Gb/s
[10] Enabled, 6.0 Gb/s
[11] Enabled, 12.0 Gb/s