Reference Guide

format flash (S-Series)

Erase all existing files and reformat the filesystem in the internal flash memory. After the filesystem is formatted, files

cannot be restored.

S4820T

Syntax

format flash:

Defaults flash memory

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 8.3.19.0 Introduced on the S4820T.

Version 8.3.7.0 Introduced on the S4810.

Version 7.8.1.0 Introduced on the S-Series

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).

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.