Failed to Import VM template

Try to import vm template, but encountered a error.

None.

***ysing the logs:
(1) User begun to import template at that time:
[2013-08-26 08:15,742] [INFO ] [027290] [027313] [server-marshal.c 10172] [CNA] enter ncCheckRemoteDeviceMarshal()

(2) CIFS service was normal and access successfully：
[2013-08-26 08:15,981] [INFO ] [027290] [015754] [data.c 2758] [CNA] mountCifs: url=//10.0.14.178/huawei/FusionManager\ V100R003C00SPC200_GMN_FS/, mntpath=/opt/galax/mount/template/i-00000003, namelen=6, wdlen=1

(3) But at 16:37:18, Template PC didn't response the network, and timeout 300 seconds. Causing transfering failed.
Aug 26 16:42:18 CNA03 kernel: [263012.776058] CIFS VFS: Server 10.0.14.178 has not responded in 300 seconds. Reconnecting...
Aug 26 16:42:18 CNA03 kernel: [263012.776161] CIFS VFS: Send error in read = -11

(4) Report failed to import template：
Failed to read data  from source file: -112
Failed to clone /opt/galax/mount/template//i-00000003/FusionManager V100R003C00SPC200_GMN_FS-xvda.vhd: -112
[2013-08-26 08:15,779] [INFO ] [027290] [015754] [misc.c 852] [CNA] vrun_fdclose(): [ionice -c 3 vhd-util convert -n /opt/galax/mount/template//i-00000003/FusionManager\ V100R003C00SPC200_GMN_FS-xvda.vhd -d /POME/datastore_1/vol/vol_BBFFE574CAE4448F9E59048874673F04/vol_BBFFE574CAE4448F9E59048874673F04.vhd -m vhd -o vhd -r  >> /var/log/galaxenginelog/vna/nc.log 2>&1]=28672

(5)Inspect the network and firewall。 

There are many reasons lead to the problem:
1. CIFS service failed, share file path is wrong.
2. Domain account or password is invalid.
3. Network is abnormal, causes data tranfer unsuccessfully.
4. There's no enough space to storage the template file.