HP StorageWorks EVA iSCSI Connectivity Option 5.0 release notes (5697-6714, August 2007)

Rebooting the mpx100 to activate a new ﬁrmware version may result in a lost

connection b

etween a single-path iSCSI initiator and the mpx100 iSCSI p ort

Although the average mpx100 reboot time is under 50 seconds, the reboot can result in a lost connection

between a single-path iSCSI initiator and the mpx100 iSCSI port.

NOTE:

In dual mpx1

00 multi-path conﬁgurations,alostconnectiontotheupgradedmpx100doesnotdisrupt

I/O to a mult

i-path iSCSI initiator, because I/O fails over to the other mpx100 iSCSI ports.

Workaround

HP recommends that activity on the interfaces be suspended prior to activation of new ﬁrmware.

Orderedtaggedcommands

Ordered delivery of iSCSI comma nds cannot be guaranteed for app lications running on iSCSI initiators

that use ordered tagged commands.

Workaround

HP is investigating a ﬁx for a future release of mpx100 ﬁrmware.

Private iSCSI net work for mpx100 GbE ports

HP recommends using a private Gigabit Ethernet network between the iSCSI initiators and the mpx100 in

any iSCSI conﬁguration, to ensure adequate per formance as well as data security.

The iSCSI technology is low cost, and uses standardize d network adapters and topology hardware.

However, existing networks must b e evaluated for suitability regarding their capacity to suppor t iSCSI

storage.

Workaround

If dedicated switches are not used, consider separate virtual LANs (VLANs).

Resolving an IP conﬂ ict on an mpx100 if the IP port does not clear the LED

indication on the mpx100

When the mpx100 recognizes an IP conﬂict with its m a nagement ports, the mpx100 indicates this

condition by blinking its fault LED four times, once per second and then off for two seconds. The

following error message is displayed:

checkDuplicateIp: Detected Error MAC address

The management por t is still enabled, and it is still using its IP address.

Workaround

To clear the LED, turn the mpx100 beacon light off with either the mpx Manager or the following CLI

command:

beacon off