S12508进行V5到V7的升级时，上传不了待升级文件

CF和FLASH卡，Version信息如下，

<S12508>dir 

 Directory of cfa0:/ 0 drw- - Apr 06 2017 16:31:26 logfile 1 -rw- 32636340 Jun 14 2017 08:44:32 s12500-cmw520-r1238p08.bin 2 -rw- 60655616 Jun 14 2017 07:18:48 R1829P03.bin 125688 KB total (34434 KB free)

 <S12508>dir Directory of flash:/ 0 -rw- 21410 Apr 07 2017 04:57:39 patch_lc.bin 1 -rw- 28836 Apr 07 2017 04:57:55 patch_mr.bin 2 -rw- 1114 Apr 07 2017 04:59:25 patchstate 3 drw- - Jun 14 2017 07:23:09 seclog 4 -rw- 9560 Oct 12 2018 02:22:44 config.cfg 5 -rw- 151 Oct 12 2018 02:22:36 system.xml 6 -rw- 60521944 Oct 18 2017 04:05:47 s12500-cmw520-r1828p01.bin 7 -rw- 60655616 Jul 27 2018 11:27:01 s12500-cmw520-r1829p03.bin 8 -rw- 130433 Jan 29 2018 10:58:59 config.cwmp 9 -rw- 0 Oct 11 2018 09:22:25 aa.cfg 10 -rw- 0 Oct 12 2018 02:07:57 aaaa.cfg 129794 KB total (11236 KB free)

<S12508>dis version H3C Comware Platform Software Comware Software, Version 5.20, Release 1829P03 Copyright (c) 2004-2016 Hangzhou H3C Tech. Co., Ltd. All rights reserved. H3C S12508 uptime is 0 week, 2 days, 9 hours, 46 minutes Last reboot reason : Power on LST1MRPNC1 0: uptime is 0 week, 2 days, 9 hours, 46 minutes Last reboot reason : Power on 2048 Mbytes SDRAM 1024 Kbytes NVRAM Memory Type : LST1MRPNC1 BootRom : 1.27 Software : S12500-CMW520-R1829P03 Patch : NONE PCB : Ver.B Board Cpu: Number of Cpld: 2 Cpld 0: SoftWare : 004 Cpld 1: SoftWare : 004 PowChipA : 005 CpuCard Type : LSR1CPA

<S12508>tftp 192.1***** get S12500-CMW710-R7377P04.ipe File will be transferred in binary mode Downloading file from remote TFTP server, please wait...| 

 Failed to write data into storage device, maybe no enough space on device 

内存不够，怎么办