HP Cisco MDS 9020 Cisco MDS 9000 Family Command Reference - Cisco MDS SAN-OS R - Page 105

Chapter 1 CLI Overview Formatting Flash Disks and File Systems Send documentation comments to [email protected] Figure 1-2 Flash Devices in the Cisco MDS 9000 Supervisor Module Internal bootflash Cisco MDS 9216 Switch Internal bootflash External CompactFlash Slot 0 Cisco MDS 9500 Series Director 79527 Figure 1-3 External CompactFlash in the Cisco MDS 9000 Supervisor Module CompactFlash 1 CompactFlash 1 eject button slot 0 85603 CompactFlash 1 LED 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 directories within the internal bootflash: file system. • The volatile: directory which provides temporary storage, and is also the default. Files in temporary storage (volatile:) are erased when the switch reboots. • The bootflash (nonvolatile storage): directory which provides permanent storage. The files in bootflash are preserved through reboots and power outages. External CompactFlash (Slot0) Cisco MDS 9500 Series directors contain an additional external CompactFlash called slot0: The external CompactFlash, an optional device for MDS 9500 Series directors, can be used for storing software images, logs, and core dumps. Formatting Flash Disks and File Systems By formatting a flash disk or a file system, you are essentially clearing out the contents of the disk or the file system and restoring it to its factory-shipped state (see the "About Flash Devices" section on page 1-30 and "Using the File System" section on page 1-32 for additional information). OL-16217-01, Cisco MDS SAN-OS Release 3.x Cisco MDS 9000 Family Command Reference 1-31