BIOS 升级失败，出现 I/O 错误(-4)

• 自动 BIOS 更新在 ONTAP 升级期间失败。
• 节点暂停报告错误：

New BIOS version: 11.20
New LOADER version: 6.0.17
Enabling write access
to the flash ME region...
ME region - write access enabled.
Saving Primary Image to Backup flash device
fail unlocking
memory
Failed. -4 bytes written: I/O error
Failed to save Primary Image to Backup flash device. Programming of Primary aborted
***
command status = I/O error(-4)

• 使用备份 ONTAP 映像（使用来自 SP 的 system reset backup）无助于引导节点。