HP 316095-B21 - StorageWorks Edge Switch 2/24 Nota di rilascio - Pagina 12

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If you get one of these messages during the upgrade, the ﬁrmware upgrade failed, but

the unit continues working with the existing ﬁrmware without an interruption in service.

The upgrade process checks for sufﬁcient memory before activating the new ﬁrmware

image. The ﬁrmware upgrade does not complete without sufﬁcient memory. Please

contact HP Customer Support if you receive this message.

Upgrading ﬁrmware on an edge switch from 04.xx.xx to 05.xx.xx

An issue has been identiﬁed in release 04.xx.xx if the contents of the nonvolatile storage

(NVRAM) on the CTP become corrupted. Once the conﬁguration has been loaded,

this corruption is not detected until an IPL/IML, power cycle, or ﬁrmware code load.

If the NVRAM in the CTP has corrupted contents, the ﬁrmware load can cause the

conﬁguration to reset to factory defaults, which could cause a system outage.

Edge switch products already running 05.01.00 or later continually validate the NVRAM

conﬁguration, so risk of an outage is extremely low. For edge switch products running an

earlier version of ﬁrmware, the risk of an outage increases due to the NVRAM issue. If

an outage compromises system integrity, HP recommends that the edge switch ﬁrmware

upgrade be a scheduled maintenance action that anticipates the failure of switch

connectivity. This issue was corrected with ﬁrmware 05.02.00-13 and later.

To safely upgrade ﬁrmware on a edge switch, perform the following:

Upgrade HAFM software on the HAFM server/appliance to 07.01.00 (minimum).

Download ﬁrmware 05.02.00-13 using the Firmware Library option under the

Product Manager Maintenance menu.

Back up the edge switch conﬁguration using the Backup & Restore Conﬁguration

option under the Product Manager Maintenance menu.

Upgrade the ﬁrmware to 05.02.00-13 on each edge switch using the Send option

on the Firmware Library dialog box.

Considerations for downgrading the version of ﬁrmware

Directors or edge switches are not required to be ofﬂine before performing a ﬁrmware

downgrade operation. Limitations to downgrades are clearly identiﬁed if there are any

limitations to performing the operation.

Before downgrading ﬁrmware, it is highly recommended that you back up the director

or edge switch conﬁguration. Refer to your HP StorageWorks Edge Switch Element

Manager User Guide for more information. EWS also provides an option to print or

save product conﬁguration to a ﬁle. Refer to your HP StorageWorks Embedded Web

Server User Guide for more information.