Volume Replicator 5.0 Release Notes - Storage Foundation ...

10 Veritas Volume Replicator Release NotesSupported Linux Operating Systems■Planning the SRL Size in a Shared Disk Group Environment—VRAdvisorsupports SRL size planning for a CVM cluster, in a shared disk groupenvironment. For shared disk groups, the data can be collected remotely oneach node of the CVM cluster to minimize the write shipping.Note: For this release, VRAdvisor will not be supported for non-CVM clusters.■■Enhanced Data Collection Capabilities—The VRAdvisor data collectionwizard has been enhanced to collect data for multiple hosts, simultaneously.These hosts are either standalone hosts or nodes in a CVM cluster.Depending on whether VxVM is present, and the operating system that isbeing used, the data collection wizard can automatically select theappropriate data format and also convert the native data formats to the CSV(comma separated variables) formats.Collecting Network Statistics—VRAdvisor can now provide network analysisinformation through an additional option on the VRAdvisor wizard. Thisoption provides information such as, the estimated network latency, packetdrop rate and the available network bandwidth along with a comparativenetwork performance data for TCP and UDP protocols.For more information about the Veritas Volume Replicator Advisor, refer to theVeritas Volume Replicator Advisor User’s Guide (vvr_advisor_users.pdf),which is available in the VRTSvrdoc package located under thevolume_replicator/rpms directory.Supported Linux Operating SystemsRequired patchesThe Veritas 5.0 release operates on the architectures and operating systemsshown below. Veritas supports only those kernel binaries distributed by Red Hatand SUSE:■■Red Hat Enterprise Linux 4 (RHEL 4) with Update 3 (2.6.9-34 kernel) onAMD Opteron or Intel Xeon EM64T (x86_64).SUSE Linux Enterprise Server 9 (SLES 9) with SP3 (2.6.5-7.244, 252 kernels)on AMD Opteron or Intel Xeon EM64T (x86_64).There are no patch recommendations available.