Reference Guide

Usage
Information
You must include the colon (:) when entering this command.
After reformatting is complete, three empty directories are automatically created on flash:
CRASH_LOG_DIR, TRACE_LOG_DIR and NVTRACE_LOG_DIR.
CAUTION: This command deletes all files, including the startup configuration file. So, after
executing this command, consider saving the running config as the startup config (use the
write memory command or copy run start command).
Related
Commands
copy – copies the current configuration to either the startup-configuration file or the terminal.
show file – displays the contents of a text file in the local filesystem.
show file-systems – displays information about the file systems on the system.
fsck flash
Checks the flash file system for errors.
S4810
Syntax
fsck flash:
fsck usbflash:
Defaults none
Command Modes EXEC Privilege
Command History
This guide is platform-specific. For command information about other platforms, refer to the
relevant FTOS Command Line Reference Guide .
The following is a list of the FTOS version history for this command.
Version 9.1(0.0) Introduced on S4810 and Z9000.
Version 8.3.19.0 Introduced on S4820T.
Usage
Information
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.
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