HP 3000 HP StorageWorks 3000/5000 Enterprise Virtual Array connectivity 4.1A f - Page 6

Prerequisites, VCS 3.028 to VCS 4.100 migration, EVA storage system, Multiple-path support

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NOTE: You must have VCS 3.028 installed before upgrading to VCS 4.00x or later. HP recommends that you do a full system backup before an HP service representative performs the migrating procedure. Prerequisites Multiple-path support OpenVMS operating software includes multipath support. No additional software is required to achieve high-availability, multipath capability. For more information about multipath options, see the HP multipath website: http://h18006.www1.hp.com/products/sanworks/multipathoptions/index.html Single-path support OpenVMS servers require a single FCA to support single-path mode. NOTE: Do not use single-path mode in mission-critical environments. VCS 3.028 to VCS 4.100 migration The Active/Active failover feature in VCS 4.00x impacts host configurations. Contact your HP service representative to configure your system and perform the migration procedure. EVA storage system These release notes contain the latest product information for operating the EVA3000/5000 on an OpenVMS system. EVA best practices The EVA3000/5000 is designed to work in a wide range of configurations; however, some of the configuration options can influence performance, capacity, or availability. With the necessary information about EVA configuration options, you can manage the configuration to optimize its attributes for a specific application. These configuration options include: • Number of disk groups • Type of disk group • Type and number of disks in a disk group • Vraid levels (0, 1, and 5) • Disk failure protection level (none, single, and double) • Cache settings For more information on the configuration options, see the HP StorageWorks Enterprise Virtual Array configuration best practices - white paper on the HP support website: http://h20000.www2.hp.com/bc/docs/support/SupportManual/lpg29448/lpg29448.pdf 6

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NOTE:
You must have VCS 3.028 installed before upgrading to VCS 4.00x or later. HP recommends that
you do a full system backup before an HP service representative performs the migrating procedure.
Prerequisites
Multiple-path support
OpenVMS operating software includes multipath support. No additional software is required to achieve
high-availability, multipath capability.
For more information about multipath options, see the HP multipath website:
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Single-path support
OpenVMS servers require a single FCA to support single-path mode.
NOTE:
Do not use single-path mode in mission-critical environments.
VCS 3.028 to VCS 4.100 migration
The Active/Active failover feature in VCS 4.00x impacts host con
fi
gurations. Contact your HP service
representative to con
fi
gure your system and perform the migration procedure.
EVA storage system
These release notes contain the latest product information for operating the EVA3000/5000 on an
OpenVMS system.
EVA best practices
The EVA3000/5000 is designed to work in a wide range of con
fi
gurations; however, some of
the con
fi
guration options can in
fl
uence performance, capacity, or availability. With the necessary
information about EVA con
fi
guration options, you can manage the con
fi
guration to optimize its attributes
for a speci
fi
c application. These con
fi
guration options include:
•
Number of disk groups
•
Type of disk group
•
Type and number of disks in a disk group
•
Vraid levels (0, 1, and 5)
•
Disk failure protection level (none, single, and double)
•
Cache settings
For more information on the con
fi
guration options, see the
HP StorageWorks Enterprise Virtual Array
con
fi
guration best practices - white paper
on the HP support website:
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