Cisco ACE-4710-K9 Administration Guide - Page 230
Reformatting Flash Memory
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Reformatting Flash Memory Chapter 5 Managing the ACE Software For example, to display the running configuration for a specific checkpoint, enter: host1/Admin# show checkpoint detail MYCHECKPOINT Reformatting Flash Memory Caution We recommend that you use the format flash command to reformat the ACE Flash memory only under the guidance and supervision of Cisco Technical Assistance Center (TAC). The ACE uses the third extended file system (ext3) as the base file system. The file system is used to allocate and organize storage space for various types of storage, such as startup-configuration files, SSL certificate storage, core files, image storage, and log files. To erase all data on the Flash memory and reformat it with the ext3 base file system, use the format flash: command. All user-defined configuration information is erased. The ACE performs the following verification sequence prior to reformatting Flash memory: • If the system image (the current loaded image) is present in the GNU GRand Unified Bootloader (GRUB) boot loader, the ACE automatically performs a backup of that image and then performs the reformat of Flash memory. • If the system image is not present in the Grub boot loader, the ACE prompts you for the location of an available image to backup prior to reformatting the Flash memory. • If you choose not to backup an available image file, the ACE searches for the ACE-APPLIANCE-RECOVERY-IMAGE.bin image in the Grub partition of Flash memory. ACE-APPLIANCE-RECOVERY-IMAGE.bin is the recovery software image that the ACE uses if the disk partition in Flash memory is corrupted. - If ACE-APPLIANCE-RECOVERY-IMAGE.bin is present, the ACE continues with the Flash memory reformat. The CLI prompt changes to "switch(RECOVERY-IMAGE)/Admin#" as a means for you to copy the regular ACE software image. 5-40 Cisco 4700 Series Application Control Engine Appliance Administration Guide OL-11157-01