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Unable to write to new flash in Cisco 2621 Router

Posted on 2009-05-04
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Last Modified: 2012-05-06
I am attempting to upgrade the flash in a Cisco 2621 router from 8M to 16M. The router appears unable to write to the flash, and I've reseated it and tried different sticks of flash. It recognizes it and reports the correct capacity. I've attempted the procedure below with 2 sticks of flash, all with the same results. What, if anything, am I doing wrong here?
System Bootstrap, Version 11.3(2)XA4, RELEASE SOFTWARE (fc1)

Copyright (c) 1999 by cisco Systems, Inc.

TAC:Home:SW:IOS:Specials for info

C2600 platform with 32768 Kbytes of main memory

 

get_man_dev: Unknown device - probably NOT formatted.

unknown flash device - mandev code = 0xffff

cannot read flash info

getdevnum warning: device "flash" has size of zero

get_man_dev: Unknown device - probably NOT formatted.

unknown flash device - mandev code = 0xffff

cannot read flash info

getdevnum warning: device "flash" has size of zero

open: read error...requested 0x4 bytes, got 0x0

trouble reading device magic number

boot: cannot open "flash:"

boot: cannot determine first file name on device "flash:"

 

System Bootstrap, Version 11.3(2)XA4, RELEASE SOFTWARE (fc1)

Copyright (c) 1999 by cisco Systems, Inc.

TAC:Home:SW:IOS:Specials for info

C2600 platform with 32768 Kbytes of main memory

 

rommon 1 > dev

Devices in device table:

        id  name

    flash:  flash                      

rommon 2 > meminfo

 

Main memory size: 32 MB.

Available main memory starts at 0x10000, size 32704KB

IO (packet) memory size: 15 percent of main memory.

NVRAM size: 32KB

 

...

rommon 8 > tftpdnld -r

...

Router#copy tftp://192.168.1.2/c2600-i-mz.122-17a.bin flash:

Destination filename [c2600-i-mz.122-17a.bin]? 

Accessing tftp://192.168.1.2/c2600-i-mz.122-17a.bin...

Erase flash: before copying? [confirm]

Erasing the flash filesystem will remove all files! Continue? [confirm]

Erasing device... eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee ...erasede

%Error: System flash location 0x60F80000 - wrote 0xABAD0000, read 0xFFFF0000

 

Erase of flash: complete

Loading c2600-i-mz.122-17a.bin from 192.168.1.2 (via FastEthernet0/0): !

%Error copying flash:/c2600-i-mz.122-17a.bin (No space left on device)

Router#dir fl

Router#dir flash:

Directory of flash:/

 

No files in directory

 

16777216 bytes total (16777216 bytes free)

Router#sho fla

Router#sho flash: 

 

System flash directory:

No files in System flash

[0 bytes used, 16777216 available, 16777216 total]

16384K bytes of processor board System flash (Read/Write)

 

Router#

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Question by:cashcowhosting
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by:Sniper98G
Sniper98G earned 40 total points
ID: 24300653
Have you tried to Fsck the flash?

If so; what was the result.
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Author Comment

by:cashcowhosting
ID: 24306477
Unfortunately, the only IOS's I am able to boot from at this time (32MB DRAM) do not have fsck (or format, for that matter), and from a quick search through Cisco's feature navigator, I come up with no IOS that supports this feature for the 2621.
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Accepted Solution

by:
cashcowhosting earned 0 total points
ID: 24359640
It would appear that I just had a string of bad flash sticks. What luck :(
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