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Cisco asa 5510 flash failure, how to recover

Posted on 2011-03-08
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Last Modified: 2012-05-11
Wnen I try to write my running config I get:

A5510-FEMA-M1# dir

Directory of disk0:/

No files in directory

0 bytes total (0 bytes free)

I also recently ordered a ASA5500-CF-256MB= to for user flash, but it was never recognized by the device.

I understand that if I power off the firewall to replace its flash, I will lose the configuration.

I am wondering if the media has gone bad or could it be something else since the same type media was not recognized in the user flash slot.

After I power off the firewall to replace its flash, do I simply login on the console and cut and paste a backup of config via console?  Or are there more steps?
A5510-FEMA-M1# write
Building configuration...
Cryptochecksum: a51ed784 a4f60183 32398f2a 26df3c1e

%Error copying system:/running-config (Not enough space on device)
Error executing command
[FAILED]
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Question by:harveystephenb
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MikeKane earned 500 total points
ID: 35070957
If you replace it, you will probably have to load the ASA code via ROMMON 1st.  I doubt the new storage will have anything on it.    
http://www.tech21century.com/using-the-rommon-to-load-a-new-image-on-cisco-asa-firewall/

Once the ASA is booted, then you should be able just to copy and paste the old backup into the new unit.  

If you have the ASDM, you can also use the backup/restore feature included there.    


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