tag:blogger.com,1999:blog-2571414265392841828.post3874027963491190876..comments2023-07-11T01:54:39.701-07:00Comments on OracleNext - Solution to your Oracle problems: CRS-4535: Cannot communicate with Cluster Ready ServicesSalman Ahmed Qureshihttp://www.blogger.com/profile/06946726509853037798noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-2571414265392841828.post-67324021971922300202018-08-03T22:38:14.183-07:002018-08-03T22:38:14.183-07:00thanks for the good information, the issue mainly ...thanks for the good information, the issue mainly come from network or disk group privileges, in my case it was not because of the above two i chekced cd /dev/oracleasm/disks ls -lrt the rights should be like owner grid and chmod 777 for all the disks, it was because of kernel parameter kernel.sem=250 its should be like this kernel.sem=250 32000 256 and then start the crs crsctl start crs or for any offline res crsctl start res resourcename -init thanksAnonymoushttps://www.blogger.com/profile/01992817103289595814noreply@blogger.com