Reference Guide

fsck flash (S-Series and Z-Series)
Checks the flash file system for errors.
S4810, S4820T, Z-Series
Syntax
fsck flash:
fsck usbflash:
Defaults none
Command Modes EXEC Privilege
Command History
Version 9.1(0.0) Introduced on S4810 and Z9000.
Version 8.3.19.0 Introduced on S4820T.
Usage
Information
You must include the colon (:) when entering this command. This command checks the
specified flash memory for errors. If errors are found, the command recommends that you
format the flash.
CAUTION: If you elect to format the flash, all files – including the startup configuration file
– are lost. If you do decide to format the specified flash, consider saving the running
configuration as the startup configuration after formatting the flash (use the write
memory
command or copy run start command).
Related
Commands
• copy — copy one file to another location.
• show file — Display contents of a text file in the local file system.
• show file-systems — Display information about the file systems on the system.
pwd
Display the current working directory.
C-Series, E-Series
Syntax
pwd
Defaults Crash kernel files are uploaded to flash by default.
Command Modes EXEC Privilege
Command History
Version 7.5.1.0 Introduced on C-Series
E-Series Original command
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