Cisco AJ732A - MDS 9134 Fabric Switch Release Note page 24

Downgrading Your Cisco MDS SAN-OS Software Image
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
Use Table 9
the SAN-OS image you want to downgrade to in the To SAN-OS Release column of the table and use
the path recommended.
The software downgrade information in
Note
Downgrading system software disrupts IP and SSM intelligent services traffic.
Table 9
To SAN-OS Release Nondisruptive Downgrade Path
SAN-OS 3.3(1c)
SAN-OS 3.3(1a)
SAN-OS 3.2(3a)
SAN-OS 3.2(3)
SAN-OS 3.2(2c)
SAN-OS 3.2(1a)
SAN-OS 3.1(4)
SAN-OS 3.1(3a)
SAN-OS 3.1(2b)
SAN-OS 3.1
SAN-OS 3.1(2)
SAN-OS 3.1(1)
SAN-OS 3.0(3a)
SAN-OS 3.0(3)
SAN-OS 3.0(2a)
SAN-OS 3.0(2)
SAN-OS 3.0(1)
SAN-OS 2.1(3)
SAN-OS 2.1(2e)
Cisco MDS 9000 Family Release Notes for Cisco MDS SAN-OS Release 3.3(2)
24
Gigabit Ethernet Ports: Traffic on Gigabit Ethernet ports is disrupted during a downgrade.
–
This includes IPS modules and the Gigabit Ethernet ports on the MPS-14/2 module, the
MSM-18/4 module, and the MDS 9222i switch. Those nodes that are members of VSANs
traversing an FCIP ISL are impacted, and a fabric reconfiguration occurs. iSCSI initiators
connected to the Gigabit Ethernet ports lose connectivity to iSCSI targets while the downgrade
is in progress.
iSCSI: If you are downgrading from SAN-OS version 3.0(x) to a lower version of SAN-OS,
–
enable iSCSI if an IPS module, MPS-14/2 module, MSM-18/4 module, or the MDS 9222i
switch is online. Otherwise, the downgrade will disrupt traffic.
– IVR: With IVR enabled, you must follow additional steps if you are downgrading from Cisco
SAN-OS Release 2.1.(1a), 2.1(1b), or 2.1.(2a). See the
on page 18 for these instructions.
FICON: If you have FICON enabled, the downgrade path is different. See
–
to determine the nondisruptive downgrade path from Cisco SAN-OS Release 3.3(2). Find
Nondisruptive Downgrade Path from SAN-OS Release 3.3(2)
You can nondisruptively downgrade directly from SAN-OS Release 3.3(2).
You can nondisruptively downgrade directly from SAN-OS Release 3.3(2).
You can nondisruptively downgrade directly from SAN-OS Release 3.3(2).
You can nondisruptively downgrade directly from SAN-OS Release 3.3(2).
You can nondisruptively downgrade directly from SAN-OS Release 3.3(2).
You can nondisruptively downgrade directly from SAN-OS Release 3.3(2).
You can nondisruptively downgrade directly from SAN-OS Release 3.3(2).
You can nondisruptively downgrade directly from SAN-OS Release 3.3(2).
You can nondisruptively downgrade directly from SAN-OS Release 3.3(2).
You can nondisruptively downgrade directly from SAN-OS Release 3.3(2).
You can nondisruptively downgrade directly from SAN-OS Release 3.3(2).
You can nondisruptively downgrade directly from SAN-OS Release 3.3(2).
You can nondisruptively downgrade directly from SAN-OS Release 3.3(2).
You can nondisruptively downgrade directly from SAN-OS Release 3.3(2).
You can nondisruptively downgrade directly from SAN-OS Release 3.3(2).
You can nondisruptively downgrade directly from SAN-OS Release 3.3(2).
You can nondisruptively downgrade directly from SAN-OS Release 3.3(2).
You can nondisruptively downgrade directly from SAN-OS Release 3.3(2).
You can nondisruptively downgrade directly from SAN-OS Release 3.3(2).
"Upgrading with IVR Enabled" section
Table 9 applies only to Fibre Channel switching traffic.
Table 10.
OL-14116-10