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Beginner

XR 6.5.3 Boot Partition

I've recently upgraded a pair of NCS-5001 from 6.1.4 to 6.5.3 successfully. I've just noticed a difference in the output on "show install active". One is reporting "Boot Partition: xr_lv25", the other is reporting "Boot Partition: xr_lv30".

 

I can't find any documentation explaining what the difference might be. Can anyone provide any detail?

 

Thanks in advance,

Evan.

 

 

RP/0/RP0/CPU0:ncs1#show ver
Thu Dec  5 11:29:05.524 AEST
Cisco IOS XR Software, Version 6.5.3
Copyright (c) 2013-2019 by Cisco Systems, Inc.

Build Information:
 Built By     : ahoang
 Built On     : Tue Mar 26 06:35:07 PDT 2019
 Built Host   : iox-ucs-025
 Workspace    : /auto/srcarchive13/prod/6.5.3/ncs5k/ws
 Version      : 6.5.3
 Location     : /opt/cisco/XR/packages/

cisco NCS-5001 () processor
System uptime is 1 hour 33 minutes

RP/0/RP0/CPU0:ncs1#show install active 
Thu Dec  5 11:29:07.696 AEST
Node 0/RP0/CPU0 [RP]
  Boot Partition: xr_lv25
  Active Packages: 4
        ncs5k-xr-6.5.3 version=6.5.3 [Boot image]
        ncs5k-mpls-3.1.0.0-r653
        ncs5k-ospf-2.0.0.0-r653
        ncs5k-k9sec-3.1.0.0-r653


RP/0/RP0/CPU0:ncs2#sh ver
Thu Dec  5 11:28:46.920 AEST
Cisco IOS XR Software, Version 6.5.3
Copyright (c) 2013-2019 by Cisco Systems, Inc.

Build Information:
 Built By     : ahoang
 Built On     : Tue Mar 26 06:35:07 PDT 2019
 Built Host   : iox-ucs-025
 Workspace    : /auto/srcarchive13/prod/6.5.3/ncs5k/ws
 Version      : 6.5.3
 Location     : /opt/cisco/XR/packages/

cisco NCS-5001 () processor
System uptime is 1 hour 33 minutes

RP/0/RP0/CPU0:ncs2#sh install active 
Thu Dec  5 11:28:50.516 AEST
Node 0/RP0/CPU0 [RP]
  Boot Partition: xr_lv30
  Active Packages: 4
        ncs5k-xr-6.5.3 version=6.5.3 [Boot image]
        ncs5k-mpls-3.1.0.0-r653
        ncs5k-ospf-2.0.0.0-r653
        ncs5k-k9sec-3.1.0.0-r653

 

1 ACCEPTED SOLUTION

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Cisco Employee

Re: XR 6.5.3 Boot Partition

I had this documented internally, I just copied the info here:

https://community.cisco.com/t5/service-providers-documents/ios-xr-exr-viewing-install-repository-lxcs-lvms-partitions-and/ta-p/3994307

 

The 1 sentence summary is that its a logical volume. If you want to know how the LVMs, etc are carved then go through that document.

 

Sam

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3 REPLIES 3
Highlighted
Cisco Employee

Re: XR 6.5.3 Boot Partition

I had this documented internally, I just copied the info here:

https://community.cisco.com/t5/service-providers-documents/ios-xr-exr-viewing-install-repository-lxcs-lvms-partitions-and/ta-p/3994307

 

The 1 sentence summary is that its a logical volume. If you want to know how the LVMs, etc are carved then go through that document.

 

Sam

View solution in original post

Highlighted
Beginner

Re: XR 6.5.3 Boot Partition

great, thanks Sam -- appreciate the detail!

Highlighted
Cisco Employee

Re: XR 6.5.3 Boot Partition

To answer your larger question of why the logical volume is different in different releases, I really don't know. I would assume that the system is assigning logical volumes either statically based on the initial install of the system or the numbers are changing due to whichever volumes get mounted first and its random the order of the mounting. So long as the LVs and PVs get mounted properly it doesn't really matter which number they are, and so long as they are the right size. Using the guide I posted we can check all that and verify the LV to PV mapping and size of each disk and LV.

Sam

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