Veritas Storage Foundation™ and High Availability Solutions ...

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142Veritas Cluster Server: Configuring Oracle VM Server for SPARC for high availabilityConfiguring VCS to manage a Logical Domain using services from multiple I/O domainsTo configure virtual disk multipathing1 Add the physical disk back-end path of the disk service to the primary domain.# ldm add-vdsdev mpgroup=data backend_path1 volume@primary-vds0where backend_path1, is the path to the virtual disk back end from the primarydomain.2 Add the physical disk back-end path of the disk service to the alternate domainfor disk added in Step 1.# ldm add-vdsdev mpgroup=data backend_path2 volume@alternate-vds0where backend_path2, is the path to the virtual disk back end from thealternate domain.3 Export the virtual disk to the guest domain.# ldm add-vdisk disk_name volume@primary-vds0 ldom_namewhere disk_name is the name of the virtual storage device and ldom_nameis the name of the Logical Domain.Note: Do not set the value of the Options attribute to exclusive; excl. If setto exclusive, Logical Domain cannot use the multipathing functionality.For more details on configuring virtual disk multipathing, refer to the OracleVM server for SPARC Administration Guide.Configuring storage services when back-end device is a ZFSvolumeIf you export ZFS volume as a back-end storage to Logical Domain, you need to1 Export ZFS volume created in the control domain.You do not need to configure mpgroup.2 Export ZFS volume created in the alternate I/O domain.You do not need to configure mpgroup.Note: Ensure the ZFS volume size created in both domains matches.3 Create ZFS root pool mirror inside the Logical Domain from the volumesexported from control domain and alternate I/O domain.
Veritas Cluster Server: Configuring Oracle VM Server for SPARC for high availabilityConfiguring VCS to manage a Logical Domain using services from multiple I/O domains143Configure storage service groupsVCS agents manage storage services that are made available to a guest LogicalDomain. Depending on the back-end storage device, use the appropriate VCSagent. For more information on supported VCS agents, see Identify supportedstorage and network services.Note: You must configure a storage service group on each physical system in thecluster.Figure 6-15shows storage service groups in the control domain and alternateI/O domain on a physical system
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Veritas Storage Foundation™ and High Availability Solutions ...

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