RHQ is a system management application written in java. It has server/agent architecture to implement remote management of server systems. RHQ needs some prerequisites like supported operating system, java environment and database. It runs on windows and linux operating systems that have java 6 jre or jdk installed. Postgres or oracle is supported. Latest release of RHQ is 4.2.0 now. RHQ is a little bit buggy but fixes them regularly. For detailed information about installing, configuring and running RHQ can be obtained from http://rhq-project.org/display/RHQ/Home
On HP 3PAR Storage, disks are grouped inside magazines. So when it comes to replacing a failed disk, magazine that holds the disk has to be brought offline using a servicemag start command.
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