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16-2
Cisco MDS 9000 Family Fabric Manager Configuration Guide
OL-17256-03, Cisco MDS NX-OS Release 4.x
Chapter 16 Managing Configuration Files
Formatting Flash Devices and File Systems
Figure 16-2 External CompactFlash in the Cisco MDS 9000 Supervisor Module
Internal bootflash:
All switches in the Cisco MDS 9000 Family have one internal bootflash: that resides in the supervisor
or switching module.You have access to two locations within the internal bootflash: file system.
• The volatile: file system provides temporary storage, and it is also the default location for file system
commands. Files in temporary storage (volatile:) are erased when the switch reboots.
• The bootflash: (nonvolatile storage) file system provides permanent storage. The files in bootflash:
are preserved through reboots and power outages.
Formatting Flash Devices and File Systems
By formatting a Flash devices or a file system, you are clearing out the contents of the device or the file
system and restoring it to its factory-shipped state.
See the “About Flash Devices” section on page 16-1 and the “Using the File System” section on
page 16-2.
Using the File System
All switches in the Cisco MDS 9000 Family have one internal bootflash: that resides in the supervisor
or switching module.You have access to two directories within the internal bootflash: file system.
• The volatile: directory provides temporary storage, and it is also the default. Files in temporary
storage (volatile:) are erased when the switch reboots.
• The bootflash: (nonvolatile storage) directory provides permanent storage. Files in permanent
storage (bootflash:) are preserved through reboots and power outages.
Cisco MDS 9500 Series directors contain an additional external CompactFlash referred to as the slot0:
directory. The external CompactFlash, an optional device for MDS 9500 Series directors, can be used
for storing software images, logs, and core dumps.
You can use Device Manager to perform the following functions to help you manage software image files
and configuration files:
• Flash Files, page 16-3
• Creating a Directory, page 16-3
• Deleting an Existing File or Directory, page 16-4
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CompactFlash 1
LED
CompactFlash 1
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CompactFlash 1
slot 0
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