调整LUN大小时从Linux主机重置LUN
适用场景
所有版本的Linux
问题描述
重新调整LUN大小时、主机可能会发生LUN重置。
/var/log/messages示例：
Mar 3 15:12:50 Rhel1 kernel: sd 13:0:0:1: Capacity data has changed
Mar 3 15:13:45 Rhel1 kernel: sd 14:0:0:1: Power-on or device reset occurred
Mar 3 15:13:45 Rhel1 kernel: sd 14:0:0:1: alua: port group 3f1 state Nnon-preferred supports TolUsNA
Mar 3 15:13:50 Rhel1 kernel: sd 13:0:0:1: Power-on or device reset occurred
Mar 3 15:13:50 Rhel1 kernel: sd 13:0:0:1: alua: port group 3f1 state Nnon-preferred supports TolUsNA