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Chapter 30
Using the Flash File System
This example shows how to permanently remove all deleted files from a Flash device:
Console> (enable) squeeze bootflash:
All deleted files will be removed, proceed (y/n) [n]? y
Squeeze operation may take a while, proceed (y/n) [n]? y
Erasing squeeze log
Console> (enable)
Restoring Deleted Files
You must specify the index number of a deleted file to identify the file to undelete. The index number
for each file appears in the first column of the dir command output. A file cannot be undeleted if a valid
file with the same name already exists. Instead, you must delete the existing file and then undelete the
desired file. A file can be deleted and undeleted up to 15 times.
To restore deleted files on a Flash device, perform this task in privileged mode:
Task
Step 1
Identify the index number of the deleted files on
the Flash device.
Step 2
Undelete a file on a Flash device.
Step 3
Verify that the file is restored.
This example shows how to restore a deleted file:
Console> (enable) dir deleted
-#- ED --type-- --crc--- -seek-- nlen -length- -----date/time------ name
6 .D ffffffff 42da7f71
1213952 bytes available (3231989 bytes used)
Console> (enable) undelete 6
Console> (enable) dir
-#- -length- -----date/time------ name
5
3231989 Jun 24 1999 12:04:40 cat4000.4-4-0-28.bin
6
1213952 bytes available (3231989 bytes used)
Console> (enable)
Verifying a File Checksum
To verify the checksum of a file on a Flash device, perform this task in privileged mode:
Task
Verify the checksum of a file on a Flash device. verify [[m/]device:] filename
This example shows how to verify the checksum of a file:
Console> (enable) verify cat4000.4-4-1.bin
CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC
CCCCCCCCCCCCCCC
File bootflash:cat4000.4-4-1.bin verified OK
Console> (enable)
78-12647-02
657a00
135 Jul 17 1999 11:30:05 dns_config.cfg
Software Configuration Guide—Catalyst 4000 Family, Catalyst 2948G, Catalyst 2980G, Releases 6.3 and 6.4
Command
dir [[m/]device:][filename] deleted
undelete index [[m/]device:]
dir [[m/]device:][filename]
14
135 Jul 17 1999 11:30:05 dns_config.cfg
Command
Using the Flash File System
30-7
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Troubleshooting
