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3850 filesystem corruption

b.lancini
Level 1
Level 1

Hi ,

Looks like my 3850-24P has a corrupted file system and refuses to complete the boot process from either usbflash0: or network from rom-monitor

I note that flash: is reporting read-only. Does anyone know the correct syntax of the rom-monitor commands to reformat sda1 ?

Anyone seen this before ?

Kind regards - B

---<snip!>--------------------------------------------------

List of filesystems currently registered:

              xmodem[0]: (read-only)
                null[1]: (read-write)
                  bs[3]: (read-only)
           usbflash0[10]: (read-write)
               flash[19]: (read-only)
                tftp[20]: (read-write)

switch: dir flash:
Directory of flash:/

 80801  drwx  4096       .
     2  drwx  4096       ..
 80802  -rw-  2097152    nvram_config
     0  -rw-  2097152    cat3k_caa-base.SPA.03.07.01E.pkg
     0  -rw-  2097152    cat3k_caa-drivers.SPA.03.07.01E.pkg
     0  -rw-  2097152    cat3k_caa-infra.SPA.03.07.01E.pkg
     0  -rw-  2097152    cat3k_caa-iosd-universalk9.SPA.152-3.E1.pkg
     0  -rw-  2097152    cat3k_caa-platform.SPA.03.07.01E.pkg
     0  -rw-  2097152    cat3k_caa-wcm-ldpe.SPA.10.3.110.0.pkg
 80812  -rw-  1236       packages.conf
 80810  drwx  4096       virtual-instance
  8081  drwx  4096       vman_fdb
 16161  drwx  4096       dc_profile_dir
 16163  dr-x  4096       wnweb_store
 80811  -rw-  1250       packages.conf.00-
     0  -rw-  1250       cat3k_caa-base.SPA.03.06.03E.pkg
     0  -rw-  1250       cat3k_caa-drivers.SPA.03.06.03E.pkg
     0  -rw-  1250       cat3k_caa-infra.SPA.03.06.03E.pkg
     0  -rw-  1250       cat3k_caa-iosd-universalk9.SPA.152-2.E3.pkg
     0  -rw-  1250       cat3k_caa-platform.SPA.03.06.03E.pkg
     0  -rw-  1250       cat3k_caa-wcm.SPA.10.2.131.0.pkg

switch: dir sda9:
Directory of sda9:/

     2  drwx  1024       .
     2  drwx  1024       ..

switch: set BOOT usbflash0:cat3k_caa-universalk9.SPA.03.06.03.E.152-2.E3.bin

switch: reset
Are you sure you want to reset the system (y/n)?y
System resetting...



Booting...Initializing RAM +++++++@@@@@@@@...++++++++++++++++++++++++++++++++
Base ethernet MAC Address: f0:78:16:11:03:00
Initializing Flash...

flashfs[7]: 0 files, 1 directories
flashfs[7]: 0 orphaned files, 0 orphaned directories
flashfs[7]: Total bytes: 6784000
flashfs[7]: Bytes used: 1024
flashfs[7]: Bytes available: 6782976
flashfs[7]: flashfs fsck took 2 seconds....done Initializing Flash.
Reading full image into memory....................................................................................................................................................................................................................................................................................................done
Bundle Image
--------------------------------------
Kernel Address    : 0x6044d274
Kernel Size       : 0x418331/4293425
Initramfs Address : 0x608655a8
Initramfs Size    : 0xe780c1/15171777
Compression Format: .mzip

Bootable image at @ ram:0x6044d274
Bootable image segment 0 address range [0x81100000, 0x82140000] is in range [0x80180000, 0x90000000].
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
File "usbflash0:cat3k_caa-universalk9.SPA.03.06.03.E.152-2.E3.bin" uncompressed and installed, entry point: 0x8166a500
Loading Linux kernel with entry point 0x8166a500 ...
Bootloader: Done loading app on core_mask: 0xf

### Launching Linux Kernel (flags = 0x5)

EXT2-fs error (device sda1): ext2_check_descriptors: Block bitmap for group 16 not in group (block 195328)!
All packages are Digitally Signed
Starting System Services
EXT2-fs error (device sda1): ext2_check_descriptors: Block bitmap for group 16 not in group (block 195328)!
Mar 7 19:32:22 %IOSXE-2-PLATFORM: process kernel: EXT2-fs error (device sda1): ext2_check_descriptors: Block bitmap for group 16 not in group (block 195328)!
Mar 7 19:32:22 %IOSXE-2-PLATFORM: process kernel: EXT2-fs error (device sda1): ext2_check_descriptors: Block bitmap for group 16 not in group (block 195328)!


FIPS(NGWC): Flash Key Check : Begin
FIPS(NGWC): Flash Key Check : End, Not Found, FIPS Mode Not Enabled
BIST failed. Abort init ...
BIST failed. Abort init ...
BIST failed. Abort init ...
BIST failed. Abort init ...
BIST failed. Abort init ...

---<snip!>--------------------------------------------------

1 Reply 1

Philip D'Ath
VIP Alumni
VIP Alumni

Check out this forum post about how to use the emergency install procedure.

https://supportforums.cisco.com/discussion/11902486/unable-change-boot-file-cisco-3850