IMC自动备份失败

各位大佬，帮忙看下如何解决，感谢！

目前IMC自动备份，每周六凌晨2点开始，偶尔会有1-2台交换机备份失败（每次失败的设备不同）如：本次A设备备份失败，下次就正常了。

对备份失败的设备重新备份，可以备份成功。

脚本执行失败，错误回显如下：

Using username "xxxxx".

xxxxxx@192.168.x.x's password:

******************************************************************************

* Copyright (c) 2004-2022 New H3C Technologies Co., Ltd. All rights reserved.*

* Without the owner's prior written consent, *

* no decompiling or reverse-engineering shall be allowed. *

******************************************************************************

delete /unreserved iccrunning.cfg

The file cannot be restored. Delete flash:/iccrunning.cfg? [Y/N]:y

Deleting the file permanently will take a long time. Please wait...

Deleting file flash:/iccrunning.cfg... Done.

delete /unreserved iccrunning.zip

The file or directory doesn't exist.

save iccrunning.cfg

The current configuration will be saved to flash:/iccrunning.cfg. Continue? [Y/N]:y

Now saving current configuration to the device.

Saving configuration flash:/iccrunning.cfg.Please wait...

Configuration is saved to device successfully.

tftp 192.168.x.x put iccrunning.cfg running_412965

7853.cfg

Can't open iccrunning.cfg!