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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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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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