HP AA-RW20A-TE manual Resetting a switch, Firmware and it is disruptive to switch traffic

Resetting a switch

Resetting a switch reboots the switch using the switch configuration parameters last saved in permanent memory on the switch. Depending on the reset type, a switch reset may or may not include a Power On Self Test (POST) or it may or may not disrupt traffic. Table 9 describes the types of switch resets.

During a hotreset operation, fabric services will be unavailable for a short period (30—75 seconds depending on switch model). Verify all administrative changes to the fabric (if any) are complete before performing an Non-Disruptive Code Load and Activation (NDCLA). When upgrading firmware across a fabric using non-disruptive activation, upgrade one switch at a time and allow 75 seconds between switches.

NOTE: Changes to the fabric may disrupt the NDCLA process. More than one McDATA Web Server session will disrupt the NDCLA process.

Common administrative operations that change the fabric include:

•Zoning modifications

•Adding, moving or removing devices attached to the switch fabric — this includes powering up or powering down attached devices

•Adding, moving or removing ISLs or other connections

After an NDCLA operation is complete, management connections must be re-initiated:

•The McDATA Web Server session will re-connect automatically

•Telnet sessions must be restarted manually

Applicable code versions:

•Future switch code releases will be upgraded non-disruptively unless specifically indicated in its associated release notes

•An NDCLA operation to previous switch code releases is not supported

Table 10 Switch resets

Type	Description
Hot Reset	Resets a switch without a POST. This reset activates the pending
	firmware, but does not disrupt switch traffic. If errors are detected on
	a port during a hot reset, the port is reset automatically.
Reset without POST	Resets a switch without a POST. This reset activates the pending
	firmware and it is disruptive to switch traffic.
Hard Reset	Resets a switch with a POST. This reset activates the pending
	firmware and it is disruptive to switch traffic.

To reset a switch using McDATA Web Server, perform the following procedure:

1.Select the switch to be reset and open the faceplate display.

2.Select Switch > Reset Switch:

•Select Hot Reset to perform a hot reset

•Select Reset to perform a standard reset

•Select Hard Reset to perform a hard reset

McDATA® 4Gb SAN Switch for HP p-Class BladeSystem user guide 75