Introduction
This document describes the procedure to upgrade NCS1001 from SW 7.10.1 to 25.4.1.
Mandatory Bridge SMU installation in NCS1001 to Upgrade from 7.10.1 to 25.4.1
If customers upgrade the node from 7.10.1 to 25.4.1, they can see the issue of DISK space not available if these SMUs are not installed in 7.10.1.
ERROR! No enough space to proceed with ADD operation.
This issue is not because of the space and must be confirmed from CLI using the show media location all command if it shows enough free space. But, still the error was seen.
RP/0/RP0/CPU0:Node1#show media location all
Mon Feb 16 19:15:25.546 CET
Media Info for Location: node0_RP0_CPU0
Partition Size Used Percent Avail
--------------------------------------------------------------------
rootfs: 3.9G 1.5G 39% 2.3G
apphost: 3.7G 7.7M 1% 3.5G
harddisk: 2.9G 18M 1% 2.8G
log: 992M 100M 11% 826M
config: 459M 1.9M 1% 423M
disk0: 992M 3.1M 1% 922M
There is a bridge SMU for upgrading the NCS1001 from 7.10.1 to 25.4.1 that needs to be installed in the release 7.10.1 before upgrading to Cisco IOS®.
Upgrade matrix is given 'ro reference' here for the reference and the table 'Software upgrade matrix' mentions about the defect for which you need to add the SMU.
https://www.cisco.com/c/en/us/td/docs/optical/ncs1001/ncs1001-system-setup-guide/perform-system-upgrade-and-install-feature-packages.html
If you want to know more about the defect, click the links:
https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwq24232
https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwq24218
SMU can be downloaded from this portal:
SMU Portal 7.10.1
https://software.cisco.com/download/home/286315098/type/280867577/release/7.10.1
You need to install the SMU before upgrading to 25.4.1
ncs1001-7.10.1..tar
ncs1001-7.10.1..tar
ncs1001-sysadmin-7.10.1..tar
ncs1001-sysadmin-7.10.1..tar
Once both bridge SMUs are committed, then you can proceed with the installation of the destination software version 25.4.1 Cisco IOS in the box.
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