IOS Crash Analysis and Rootkit Wiki

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Flash File System

If the flash file system is full, no more CrashInfo files will be written. Deleting old CrashInfo files is required but not obvious.
Router# delete flash:crashinfo_19930301-000733

When you delete the files, they will only be marked as deleted. To get rid of them entirely, use the squeeze command.



System flash directory:
File Length Name/status
1 5849872 c2600-xxx.yyy.bin
2 291998 crashinfo_19930301-000733 [deleted]
[...]
9 7720 crashinfo_19930301-000214 [deleted]
[7864248 bytes used, 72 available, 7864320 total]
8192K bytes of processor board System flash (Read/Write)

Router#squeeze flash:
Squeeze operation may take a while. Continue? [confirm]
squeeze in progress... eeeeeeeeeeeee
Rebuild file system directory...
Squeeze of flash complete
Router#show flash

System flash directory:
File Length Name/status
1 5849872 c2600-xxx.yyy.bin
[5849936 bytes used, 2014384 available, 7864320 total]
8192K bytes of processor board System flash (Read/Write)


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