WD My Cloud 改成160G后全尽了方法还是不能固件升级问题，求解

WD My Cloud 改成160G后全尽了方法还是不能固件升级问题，求解
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Unpacking..
Unpacking replacement sq ...
Setting up sq (04.04.01-112) ...
postinst_project-control: begin
/root
root: ## postinst_body ##
root: ## postinst_header ##
postinst: isImage=true
postinst: Master package name: sq
postinst: sq-postinst: action=configure
postinst: currentRootDevice=/dev/md1
postinst: upgradeDevice=/dev/md0
postinst: upgradePart=/dev/sda1
postinst: upgradePath=/mnt/rootfs
root: ## postinst_image ##
Copy image to upgrade device /dev/md0:
blockSize=64k blockCount=31247
Compare checksum
-: FAILED
md5sum: WARNING: 1 computed checksum did NOT match
ok 1
Upgrade failed
mdadm: stopped /dev/md0
mdadm: /dev/sda1 not large enough to join array
send_update_log=000
WDMyCloud:~#
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拆包..
拆包更换平方…
建立平方（04.04.01-112）…
postinst_project-control：开始
/根
根：# # postinst_body # #
根：# # postinst_header # #
postinst：形象=真
postinst：主包名称：平方
postinst：平方postinst：行动=配置
postinst：currentrootdevice = / dev / MD1
postinst：upgradedevice = /dev/md0
postinst：upgradepart = /dev/sda1
postinst：upgradepath = / mnt / rootfs
根：# # postinst_image # #
复制图像到升级设备/dev/md0：
块大小= 64K blockcount = 31247
比较校验
•失败
或：警告：1计算的校验和不匹配
好的1
升级失败
mdadm：停止/dev/md0
mdadm：/dev/sda1不足以加入阵列
send_update_log = 000
wdmycloud：~ #
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