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4351 Flash Memory Not Showing Right Size

I have several ISR4351 routers that I am upgrading from 4G to 16G of flash.  The new flash memory is not showing the correct size.  I've tried a couple of new flash modules and both have the same result.

 

Running "show file system" with the new flash has this output.

 

router-new#sh file sys
File Systems:

       Size(b)       Free(b)      Type  Flags  Prefixes
             -             -    opaque     rw   system:
             -             -    opaque     rw   tmpsys:
13917048832   12231565312      disk     rw   bootflash: flash:

 

This is what it looks like on a router that was upgraded previously.

 

router#sh file systems
File Systems:

       Size(b)       Free(b)      Type  Flags  Prefixes
             -             -    opaque     rw   system:
             -             -    opaque     rw   tmpsys:
14775529472   12561870848      disk     rw   bootflash: flash:

 

I also see this message when booting the router.

 

%IOSXEBOOT-2-FLASH_SIZE_CHECK: (rp/0): Flash capacity (15 GB) is insufficient for fault analysis based on installed memory of RP (16 GB)
%IOSXEBOOT-2-FLASH_SIZE_CHECK: (rp/0): Please increase the size of installed flash to at least 16 GB (same as physical memory size)

 

Why does the router think this is 15G of flash?

 

Thanks,

 

Patrick

 

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3 REPLIES 3
Hall of Fame Community Legend

Re: 4351 Flash Memory Not Showing Right Size

According to the details of the CSCvi38910 (if it's even 50% accurate), this is just cosmetic. However, I'd recommend you raise a TAC Case so they can confirm if you're hitting this bug or not.
Participant

Re: 4351 Flash Memory Not Showing Right Size

I opened a TAC case.  Cisco says this is just a cosmetic error and can be ignored.

 

 

Hall of Fame Community Legend

Re: 4351 Flash Memory Not Showing Right Size

Can you please provide the Bug ID?
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