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Cannot Upgrade C3850 Switch from DNA because not enough free space

peter1978
Level 1
Level 1

I tried to upgrade from Cisco DNA Switch C3850 currently running on image 16.12.7 but it failed with flash check:

 

Image Size is larger than free space
Expected: 1012 MB Available Free space is: 480 MB [Install mode needs free space to 2.2 times of Image size]
Actual: flash: 480 MB
Action: Please Clean the Flash location And then Resync the device. However flow can proceed, auto flash clean up will be attempted for this device.
 
Device was cleaned before of any unnecessary files. Can someone help me or advice what should I do to force IOS Upgrade?
Thanks.
 
 
3 Replies 3

Leo Laohoo
Hall of Fame
Hall of Fame

On the 3850, post the complete output to the command "dir".

Directory of flash:/

46562 -rw- 2097152 Nov 19 2023 15:07:33 -05:00 nvram_config
46563 -rw- 132108 Oct 31 2023 12:14:16 -04:00 memleak.tcl
46576 drwx 4096 Nov 19 2023 15:19:34 -05:00 .installer
46564 -rw- 1216 Feb 28 2023 16:32:00 -05:00 vlan.dat
46565 drwx 4096 May 20 2022 12:42:43 -04:00 tech_support
46575 drwx 4096 Nov 8 2022 17:42:46 -05:00 core
46567 -rw- 2097152 Nov 19 2023 15:07:33 -05:00 nvram_config_bkup
46582 -rw- 20097668 May 19 2022 23:34:42 -04:00 cat3k_caa-guestshell.16.12.07.SPA.pkg
46570 -rw- 76 Oct 31 2023 12:14:01 -04:00 boothelper.log
46571 -rw- 76 Feb 27 2023 11:06:41 -05:00 boothelper.old
54321 drwx 4096 Feb 27 2023 11:07:56 -05:00 .prst_sync
46621 drwx 4096 May 19 2022 23:48:32 -04:00 onep
46579 -rw- 4780 May 19 2022 23:36:18 -04:00 packages.conf
69841 drwx 4096 Aug 20 2016 02:33:09 -04:00 virtual-instance
77601 drwx 4096 Aug 20 2016 02:33:09 -04:00 vman_fdb
11 drwx 4096 Oct 31 2023 12:13:59 -04:00 dc_profile_dir
13 drwx 4096 Aug 20 2016 02:36:19 -04:00 wnweb_store
46592 -rw- 32795564 May 19 2022 23:35:19 -04:00 cat3k_caa-rpbase.16.12.07.SPA.pkg
46589 -rw- 23018112 May 19 2022 23:35:19 -04:00 cat3k_caa-webui.16.12.07.SPA.pkg
69842 drwx 4096 Jun 27 2019 08:24:52 -04:00 .rollback_timer
46619 drwx 4096 May 20 2022 00:27:19 -04:00 .dbpersist
46624 -rw- 29001 Aug 25 2022 15:02:00 -04:00 collated_log_20220825-150159
46625 -rw- 381 Aug 25 2022 15:02:00 -04:00 btdecode_err
46590 -rw- 400857724 May 19 2022 23:35:17 -04:00 cat3k_caa-rpcore.16.12.07.SPA.pkg
46623 -rw- 545 Oct 31 2023 12:15:39 -04:00 rdope.log
46569 -rw- 35 Jun 27 2019 08:43:45 -04:00 pnp-tech-time
46573 -rw- 89780 Jun 27 2019 08:43:51 -04:00 pnp-tech-discovery-summary
46572 -rw- 2220 Oct 31 2023 12:13:50 -04:00 bootloader_evt_handle.log
77602 drwx 4096 Jun 27 2019 08:24:58 -04:00 gs_script
46591 -rw- 3414660 May 19 2022 23:35:19 -04:00 cat3k_caa-srdriver.16.12.07.SPA.pkg
46620 -rw- 0 Oct 31 2023 12:15:25 -04:00 rdope_out.txt

1624104960 bytes total (503730176 bytes free)

What is the uptime of this switch? 

Can I see some more output to the following commands: 
1.  dir flash:core
2.  dir flash:core/tracelogs
3.  dir crashinfo: