Upgrading Services Modules - Cisco AP776A - Nexus Converged Network Switch 5020 Configuration Manual

Automated Upgrades
S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m

Upgrading Services Modules

Any Fibre Channel switching module supports nondisruptive upgrades. The14/2-port Multiprotocol
Services (MPS-14/2)) module supports nondisruptive upgrades for the Fibre Channel ports. Any
software upgrade for the two Gigabit Ethernet ports in this module is disruptive. See
"Configuring IP Storage"
Any software upgrade for the Caching Services Module (CSM) and the IP Storage (IPS) services
Caution
modules is disruptive.
CSMs and IPS modules use a rolling upgrade install mechanism to guarantee a stable state for each
module in the switch:
•
•
When you upgrade, or downgrade, the SSI boot image on a Storage Services Module (SSM), you might
disrupt traffic through the module.
traffic.
Table 8-5
Cisco MDS SAN-OS Release
2.0(2b) through 2.1(1a)
2.1(2) and later
As shown in
boot image. If you have configured Layer 3 Intelligent Storage Services on your SSM, we recommend
that you shut down these services before upgrading the SSI boot image. You can use dual fabric
configuration to minimize the impact of shutting down Layer 3 services. See
Modules,"
Cisco MDS 9000 Family CLI Configuration Guide
8-12
for more information on MPS-14/2 modules.
Each IPS module in a switch requires a 5-minute delay before the next IPS module is upgraded. See
the Chapter 45, "Configuring IP Storage"
Each CSM module requires a 30-minute delay before the next CSM module is upgraded. Refer to
the Cisco MDS 9000 Family SAN Volume Controller Configuration Guide for more information on
CSMs.
SSI Boot Image Updating Effects on SSM Traffic
Table 8-5, Layer 3 Intelligent Storage Services traffic is disrupted when you update the SSI
for more information on updating the boot images on the SSM.
for more information on IPS modules.
Table 8-5 describes how updating the SSI boot image affects SSM
Traffic Type
All
Layer 2 Fibre Channel switching
only
Both Layer 2 Fibre Channel
switching and Layer 3 Intelligent
Storage Services (such as
FCWA, NASB, SANTap, ISAPI
virtualization)
Layer 3 Intelligent Storage
Services (such as FCWA, NASB,
SANTap, ISAPI virtualization)
only
Chapter 8 Software Images
Chapter 45,
Disrupts Traffic?
Yes
No
Yes
Yes
Chapter 12, "Managing
OL-18084-01, Cisco MDS NX-OS Release 4.x