Additional Pre-Upgrade System Checks - Cisco CRS-1 - Carrier Routing System Router Migration Manual

IOS-XR Software Upgrade Procedure
show install active summary (verify that the proper set of packages are active)
Single-chassis example:
Multishelf example:
Execute the cfs check/clear configuration inconsistency command to verify/fix configuration file
system in exec and admin mode.

Additional Pre-upgrade System Checks

Due to increasing size of the images sufficient disk space is required to perform the upgrade. the 2Gig
flash disk option was first introduced in release 3.7.0, An optional 4Gig flash disk is available starting
with the IOS XR 3.8.4 release.
When upgrading to release 4.0.0 or higher, a PCMCIA flash disk of 2Gig or larger has to be installed in
the system BEFORE the software upgrade is performed.
Use the show filesystem command to check the actual disk0 size:
Step 1
Cisco CRS-1 Carrier Routing System to Cisco CRS-3 Carrier Routing System Migration Guide
1-12
RP/0/RP0/CPU0:router(admin)#show install active summary
Wed Oct 13 06:47:17.604 UTC
Default Profile:
Admin Resources
SDRs:
Owner
Active Packages:
disk0:hfr-cgn-px-4.0.0.65I
disk0:hfr-mpls-px-4.0.0.65I
disk0:hfr-mcast-px-4.0.0.65I
disk0:hfr-mini-px-4.0.0.65I
RP/0/RP0/CPU0:MC-SCALE(admin)#show install active summary
Default Profile:
Admin Resources
SDRs:
Owner
taiko-sdr
Active Packages:
disk0:hfr-fit-px-4.0.2.19I
disk0:hfr-doc-px-4.0.2.19I
disk0:hfr-mpls-px-4.0.2.19I
disk0:hfr-mgbl-px-4.0.2.19I
disk0:hfr-mcast-px-4.0.2.19I
disk0:hfr-mini-px-4.0.2.19I
disk0:hfr-fpd-px-4.0.2.19I
disk0:hfr-diags-px-4.0.2.19I
RP/0/RP0/CPU0:router(admin)#show filesystem
Wed Oct 13 06:54:57.000 UTC
File Systems:
3694129152 1131577344
2102788096 2102657024
2102722560 180682752
504471552 504152064
Chapter 1
flash-disk rw disk0:
flash-disk rw disk1a:
flash-disk rw disk1:
flash-disk rw disk0a:
Migrating to a Cisco CRS-3 Carrier Routing System
OL-13669-03