ORA-27091: unable to queue I/O
ORA-15081: failed to submit an I/O operation to a disk
ORA-06512: at line 4
PROT-1: Failed to initialize ocrconfig
Command return code of 255 (65280) from command: /u01/app/11.2.0/grid/bin/ocrconfig -upgrade grid oinstall
Failed to create Oracle Cluster Registry configuration, rc 255
ocr 设备 有问题, IO不正常