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Cisco Cisco ASA 5525-X Adaptive Security Appliance Guide De Dépannage

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Useful FAQ
Can I hot−swap the flash drive? For example, is it possible to change the
flash drive when Cisco ASA is powered ON and running?
It is always recommended that you turn off the Cisco ASA while you insert the flash drive. This disables all
the running processes and allows the ASA to recognize the flash from the boot process.
Can I use third party flash drives on Cisco ASA?
Before you use any third party flash devices, you need to verify the compatibility with Cisco and verify if it is
approved by Cisco. Cisco recommends to obtain the flash drives from a Cisco authorized seller so that it can
be supported. Refer to Third Party Components − Cisco Policy for more information.
What do I do if I accidentally erase flash by mistake?
You need to complete the these steps.
Save the running−configuration to the startup−configuration.
1. 
Format the flash drive.
2. 
Restore all the image files through a tftp transfer.
3. 
Does formatting the flash affect the running connections on Cisco ASA?
No. As long as you do not reset the box, it does not affect it because the information related to those
connections reside in RAM.
Can I use external flash as internal flash?
Yes. You need to complete these steps.
Copy the disk0 files to tftp.
1. 
Copy them from tftp to disk1.
2. 
Set the boot path accordingly.
There is also another option. You can also copy the files directly from the internal memory to the
external memory with the copy disk0 disk1 command.
3. 
Related Information
Cisco ASA Support Page
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Updated: Jan 31, 2012
Document ID: 113266