HP 4400 HP StorageWorks 4400 Enterprise Virtual Array getting started guide (5 - Page 24

Installation and configuration best practices, Ongoing best practices

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Installation and configuration best practices • Install and configure your EVA4400 in the sequence listed in the installation guide. Several installation and configuration steps include dependencies. Difficulties encountered by not following the directions in the guide may result in lost time and lost revenue while troubleshooting the issues. • When handling hard drives, follow industry-standard practices. Internal storage media can be damaged when drives are shaken, dropped, or roughly placed on a work surface. When removing a drive, press the release button, and then pull the drive only slightly out of the enclosure. Then, to allow time for the internal disk to stop rotating, wait approximately 10 seconds before completely removing the drive from the enclosure. • If your environment includes multiple servers, HP recommends designating one of the servers as a management server, to centralize management tasks. It is on this server that you install management software such as HP Command View EVA, and it is from this server that you perform SAN management tasks. • Assign static IP addresses to devices in the network. • After configuring the storage, remember to: • Verify that each host has been granted access to the storage. Be sure to verify that all HBA connections to the EVA are recognized, including all paths in a multipath configuration. If all connections from a host are not granted access, I/O cannot fail over to the redundant path. • Limit access to the LUNs to prevent unintended or unauthorized access. Although not required, HP strongly recommends this security measure. These settings are especially important in heterogeneous environments to prevent servers running different operating systems and using a mix of HBAs from different vendors, from accessing the same LUN. For each HBA connection, indicate the LUNs that it can access. Ongoing best practices • Proactively monitor EVA status and status changes via the HP Command View EVA This software works in conjunction with other HP software to monitor and notify you of possible issues. For additional information, see the HP Command View EVA website: http://h18006.www1.hp.com/products/storage/software/cmdvieweva/index.html. • Periodically check the EVA4400 website for updates and announcements. • Schedule physical configuration changes during periods of low or no activity in operational environments. For example, if the system is performing rebuilds, array expansions, logical disk extensions, or experiencing heavy I/O, avoid physical changes such as adding or replacing disk drives. 24 Best practices

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Installation and con
fi
guration best practices
•
Install and con
fi
gure your EVA4400 in the sequence listed in the installation guide. Several
installation and con
fi
guration steps include dependencies. Dif
fi
culties encountered by not
following the directions in the guide may result in lost time and lost revenue while troubleshooting
the issues.
•
When handling hard drives, follow industry-standard practices. Internal storage media can
be damaged when drives are shaken, dropped, or roughly placed on a work surface. When
removing a drive, press the release button, and then pull the drive only slightly out of the enclosure.
Then, to allow time for the internal disk to stop rotating, wait approximately 10 seconds before
completely removing the drive from the enclosure.
•
If your environment includes multiple servers, HP recommends designating one of the servers
as a management server, to centralize management tasks. It is on this server that you install
management software such as HP Command View EVA, and it is from this server that you
perform SAN management tasks.
•
Assign static IP addresses to devices in the network.
•
After con
fi
guring the storage, remember to:
•
Verify that each host has been granted access to the storage. Be sure to verify that all HBA
connections to the EVA are recognized, including all paths in a multipath con
fi
guration. If all
connections from a host are not granted access, I/O cannot fail over to the redundant path.
•
Limit access to the LUNs to prevent unintended or unauthorized access. Although not required,
HP strongly recommends this security measure. These settings are especially important in
heterogeneous environments to prevent servers running different operating systems and using a
mix of HBAs from different vendors, from accessing the same LUN. For each HBA connection,
indicate the LUNs that it can access.
Ongoing best practices
•
Proactively monitor EVA status and status changes via the HP Command View EVA
This software works in conjunction with other HP software to monitor and notify you of
possible issues. For additional information, see the HP Command View EVA website:
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•
Periodically check the EVA4400 website for updates and announcements.
•
Schedule physical con
fi
guration changes during periods of low or no activity in operational
environments. For example, if the system is performing rebuilds, array expansions, logical disk
extensions, or experiencing heavy I/O, avoid physical changes such as adding or replacing
disk drives.
24
Best practices