由于错误消息 " 未找到可启动的外部设备！ " ，在 LOADER 提示符处命令 "boot_recovery" 失败
适用于
- FAS9000
- FAS8200
- FAS2620
- FAS2650
问题
- 尝试将映像加载到启动设备时，会发生以下错误：
example:
LOADER-A> boot_recovery 93P4_q_image.tgz
Downloading 93P4_q_image.tgz ..
Download failed: Failed to delete
Error opening archive: fat://boot_e/93P4_q_image.tgz
Error exit delayed from previous errors.No program name specified
Bootable external device not found!
Boot Recovery failed
*** command status = Error(-1)