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C-10
Cisco 7401ASR Installation and Configuration Guide
OL-5419-01 B0
Appendix C Using the CompactFlash Disk
Working with a CompactFlash Disk
Disk on another router before you format the new CompactFlash Disk. A CompactFlash Disk that was
shipped as part of a configured system contains a CompactFlash Disk-compatible Cisco IOS software
image; therefore, you do not need to format it to use it in the system in which it was shipped.
Note If you order a spare CompactFlash Disk, it is shipped blank; therefore, you must format it before you
can use it.
Use the following procedure to format a new CompactFlash Disk using the format command. (The
procedure assumes you have already booted your system.)
Step 1 Insert the CompactFlash Disk into slot 0 using the procedures in the “Installing and Removing the
CompactFlash Disk” section on page 1-7.
Step 2 Use the format disk0: command to format the CompactFlash Disk in slot 0 as follows:
Router# format disk0
Format operation may take a while. Continue? [confirm]
Format operation will destroy all data in "disk0". Continue? [confirm]
Format: Drive communication & 1st Sector Write OK
Writing Monlib
sectors...................................................................................
..........................................................................................
............................................
Monlib write complete
Format: All system sectors written. OK...
Format: Total sectors in formatted partition: 125152
format: Total bytes in formatted partition: 64077824
Format: Operation completed successfully.
Format of disk0: complete
Note A 64-MB CompactFlash Disk was formatted in this example.
The new CompactFlash Disk is now formatted and ready to use in the system on which you formatted it.
(For specific formatting and compatibility requirements, see the “Compatibility Requirements” section
on page C-3.)
Using the mkdir Command
To create a directory on the CompactFlash Disk, use the mkdir command. The following example shows
how to create a directory called daily_dir on the CompactFlash Disk in slot 0, and then verify that it was
created:
System# mkdir disk0:daily_dir
Created dir disk0:daily_dir
System# dir
Directory of disk0:/
1 drw- 0 Jul 25 1998 10:15:43 daily_dir