Reference Guide
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).
Related 
Commands
copy – copies the current configuration to either the startup-configuration file or 
the terminal.
show file-systems – displays information about the file systems on the system.
fsck flash
Checks the flash file system for errors.
S4820T
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 Dell Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version 9.0.2.0 Introduced on the S6000.
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.
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File Management










