HP AA988A HP StorageWorks 2012sa Modular Smart Array user guide (488320-002, J - Page 47

Updating Firmware, Selecting an Appropriate Time to Perform the Online Upgrade

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Updating Firmware After installing the hardware and powering up the enclosure for the first time, be sure to verify that the controllers and drive enclosures have the latest firmware. SMU enables you to view the software, hardware, and other version information for each controller and the enclosures. To view controller version information, select Monitor > Status > Advanced Settings > Controller Versions. To view drive enclosure information, select Manage > Update Software > Enclosure Firmware > Show Enclosures. Selecting an Appropriate Time to Perform the Online Upgrade To ensure the success of an line upgrade, selecting the appropriate time is essential. Selecting a period of low I/O activity will ensure the upgrade completes as quickly as possible, and will avoid disruptions to host and applications due to timeouts. Attempting to upgrade a storage system that is in the middle of processing a large I/O intensive batch job will likely cause hosts to lost connectivity with the storage system. Consequently, finding an appropriate time for the upgrade is very important. For software and firmware updates, go to http://www.hp.com/go/msa. Select MSA SAN Arrays, select your product, and go to Support. For detailed steps on updating the firmware, see the reference guide. Setting the Date and Time You can set the date and time manually or configure the system to use Network Time Protocol (NTP) to obtain them from a network-attached server. When NTP is enabled, and if an NTP server is available, the system time and date can be obtained from the NTP server. This allows multiple storage devices, hosts, log files, and so forth to be synchronized. NTP server time is provided in Universal Time (UT), which provides several options: ■ If you want to synchronize the times and logs between storage devices installed in multiple time zones, set all the storage devices to use UT. ■ If you want to use the local time for the device, select the appropriate time zone. ■ If a time server can provide local time rather than UT, configure the storage devices to use that time server, with no further time adjustment. Chapter 4 Configuring a System for the First Time 47

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Chapter 4
Configuring a System for the First Time
47
Updating Firmware
After installing the hardware and powering up the enclosure for the first time, be
sure to verify that the controllers and drive enclosures have the latest firmware.
SMU enables you to view the software, hardware, and other version information for
each controller and the enclosures.
To view controller version information, select Monitor > Status > Advanced
Settings > Controller Versions. To view drive enclosure information, select Manage
> Update Software > Enclosure Firmware > Show Enclosures.
Selecting an Appropriate Time to Perform the
Online Upgrade
To ensure the success of an line upgrade, selecting the appropriate time is essential.
Selecting a period of low I/O activity will ensure the upgrade completes as quickly
as possible, and will avoid disruptions to host and applications due to timeouts.
Attempting to upgrade a storage system that is in the middle of processing a large
I/O intensive batch job will likely cause hosts to lost connectivity with the storage
system. Consequently, finding an appropriate time for the upgrade is very important.
For software and firmware updates, go to
. Select
MSA SAN Arrays, select your product, and go to Support.
For detailed steps on updating the firmware, see the
reference guide
.
Setting the Date and Time
You can set the date and time manually or configure the system to use Network
Time Protocol (NTP) to obtain them from a network-attached server. When NTP is
enabled, and if an NTP server is available, the system time and date can be obtained
from the NTP server. This allows multiple storage devices, hosts, log files, and so
forth to be synchronized.
NTP server time is provided in Universal Time (UT), which provides several
options:
■
If you want to synchronize the times and logs between storage devices installed
in multiple time zones, set all the storage devices to use UT.
■
If you want to use the local time for the device, select the appropriate time zone.
■
If a time server can provide local time rather than UT, configure the storage
devices to use that time server, with no further time adjustment.