Incremental file backup Errorcode: TIMEOUT

Hello,
Server: NanoPi NEO2 with 1-bay NAS Dock v1.2
Client: Windows 7 x64

After I’ve made successfully full file backup I was tried to start incremental file backup.
But Errorcode: TIMEOUT error appeared.

Here is a log from client (not full, just part)

2019-10-21 14:49:44: ClientService cmd: #IhN4F4pWg9mnselJrdqUz#2PING RUNNING pc_done=&status_id=45&speed_bpms=0&total_bytes=-1&done_bytes=0&paused_fb=1#token=somesecrettoken
2019-10-21 14:49:54: ClientService cmd: #IhN4F4pWg9mnselJrdqUz#2PING RUNNING pc_done=&status_id=45&speed_bpms=0&total_bytes=-1&done_bytes=0&paused_fb=1#token=somesecrettoken
2019-10-21 14:49:59: ClientService cmd: PONG
2019-10-21 14:50:04: ClientService cmd: #IhN4F4pWg9mnselJrdqUz#2PING RUNNING pc_done=&status_id=45&speed_bpms=0&total_bytes=-1&done_bytes=0&paused_fb=1#token=somesecrettoken
2019-10-21 14:50:06: ClientService cmd: STATUS#pw=kASeW0n33GtSVsxODViZw6rhaKLlVH
2019-10-21 14:50:14: ClientService cmd: #IhN4F4pWg9mnselJrdqUz#2PING RUNNING pc_done=&status_id=45&speed_bpms=0&total_bytes=-1&done_bytes=0&paused_fb=1#token=somesecrettoken
2019-10-21 14:50:24: ClientService cmd: #IhN4F4pWg9mnselJrdqUz#2PING RUNNING pc_done=&status_id=45&speed_bpms=0&total_bytes=-1&done_bytes=0&paused_fb=1#token=somesecrettoken
2019-10-21 14:50:34: ClientService cmd: #IhN4F4pWg9mnselJrdqUz#2PING RUNNING pc_done=&status_id=45&speed_bpms=0&total_bytes=-1&done_bytes=0&paused_fb=1#token=somesecrettoken
2019-10-21 14:50:44: ClientService cmd: #IhN4F4pWg9mnselJrdqUz#2PING RUNNING pc_done=&status_id=45&speed_bpms=0&total_bytes=-1&done_bytes=0&paused_fb=1#token=somesecrettoken
2019-10-21 14:50:54: ClientService cmd: #IhN4F4pWg9mnselJrdqUz#2PING RUNNING pc_done=&status_id=45&speed_bpms=0&total_bytes=-1&done_bytes=0&paused_fb=1#token=somesecrettoken
2019-10-21 14:50:58: ClientService cmd: STATUS#pw=kASeW0n33GtSVsxODViZw6rhaKLlVH
2019-10-21 14:50:59: ClientService cmd: PONG
2019-10-21 14:51:04: ClientService cmd: #IhN4F4pWg9mnselJrdqUz#2PING RUNNING pc_done=&status_id=45&speed_bpms=0&total_bytes=-1&done_bytes=0&paused_fb=1#token=somesecrettoken
2019-10-21 14:51:14: ClientService cmd: #IhN4F4pWg9mnselJrdqUz#2PING RUNNING pc_done=&status_id=45&speed_bpms=0&total_bytes=-1&done_bytes=0&paused_fb=1#token=somesecrettoken
2019-10-21 14:51:24: ClientService cmd: #IhN4F4pWg9mnselJrdqUz#2PING RUNNING pc_done=&status_id=45&speed_bpms=0&total_bytes=-1&done_bytes=0&paused_fb=1#token=somesecrettoken
2019-10-21 14:51:34: ClientService cmd: #IhN4F4pWg9mnselJrdqUz#2PING RUNNING pc_done=&status_id=45&speed_bpms=0&total_bytes=-1&done_bytes=0&paused_fb=1#token=somesecrettoken
2019-10-21 14:51:44: ClientService cmd: #IhN4F4pWg9mnselJrdqUz#2PING RUNNING pc_done=&status_id=45&speed_bpms=0&total_bytes=-1&done_bytes=0&paused_fb=1#token=somesecrettoken
2019-10-21 14:51:49: ClientService cmd: STATUS#pw=kASeW0n33GtSVsxODViZw6rhaKLlVH
2019-10-21 14:51:54: ClientService cmd: #IhN4F4pWg9mnselJrdqUz#2PING RUNNING pc_done=&status_id=45&speed_bpms=0&total_bytes=-1&done_bytes=0&paused_fb=1#token=somesecrettoken
2019-10-21 14:51:59: ClientService cmd: PONG
2019-10-21 14:52:04: ClientService cmd: #IhN4F4pWg9mnselJrdqUz#2PING RUNNING pc_done=&status_id=45&speed_bpms=0&total_bytes=-1&done_bytes=0&paused_fb=1#token=somesecrettoken
2019-10-21 14:52:14: ClientService cmd: #IhN4F4pWg9mnselJrdqUz#2PING RUNNING pc_done=&status_id=45&speed_bpms=0&total_bytes=-1&done_bytes=0&paused_fb=1#token=somesecrettoken
2019-10-21 14:52:24: ClientService cmd: #IhN4F4pWg9mnselJrdqUz#2PING RUNNING pc_done=&status_id=45&speed_bpms=0&total_bytes=-1&done_bytes=0&paused_fb=1#token=somesecrettoken
2019-10-21 14:52:34: ClientService cmd: #IhN4F4pWg9mnselJrdqUz#2PING RUNNING pc_done=&status_id=45&speed_bpms=0&total_bytes=-1&done_bytes=0&paused_fb=1#token=somesecrettoken
2019-10-21 14:52:41: ClientService cmd: STATUS#pw=kASeW0n33GtSVsxODViZw6rhaKLlVH
2019-10-21 14:52:44: ClientService cmd: #IhN4F4pWg9mnselJrdqUz#2PING RUNNING pc_done=&status_id=45&speed_bpms=0&total_bytes=-1&done_bytes=0&paused_fb=1#token=somesecrettoken
2019-10-21 14:52:54: ClientService cmd: #IhN4F4pWg9mnselJrdqUz#2PING RUNNING pc_done=&status_id=45&speed_bpms=0&total_bytes=-1&done_bytes=0&paused_fb=1#token=somesecrettoken
2019-10-21 14:52:59: ClientService cmd: PONG
2019-10-21 14:53:04: ClientService cmd: #IhN4F4pWg9mnselJrdqUz#2PING RUNNING pc_done=&status_id=45&speed_bpms=0&total_bytes=-1&done_bytes=0&paused_fb=1#token=somesecrettoken
2019-10-21 14:53:14: ClientService cmd: #IhN4F4pWg9mnselJrdqUz#2PING RUNNING pc_done=&status_id=45&speed_bpms=0&total_bytes=-1&done_bytes=0&paused_fb=1#token=somesecrettoken
2019-10-21 14:53:24: ClientService cmd: #IhN4F4pWg9mnselJrdqUz#2PING RUNNING pc_done=&status_id=45&speed_bpms=0&total_bytes=-1&done_bytes=0&paused_fb=1#token=somesecrettoken
2019-10-21 14:53:33: ClientService cmd: STATUS#pw=kASeW0n33GtSVsxODViZw6rhaKLlVH
2019-10-21 14:53:34: ClientService cmd: #IhN4F4pWg9mnselJrdqUz#2PING RUNNING pc_done=&status_id=45&speed_bpms=0&total_bytes=-1&done_bytes=0&paused_fb=1#token=somesecrettoken
2019-10-21 14:53:44: ClientService cmd: #IhN4F4pWg9mnselJrdqUz#2PING RUNNING pc_done=&status_id=45&speed_bpms=0&total_bytes=-1&done_bytes=0&paused_fb=1#token=somesecrettoken
2019-10-21 14:53:54: ClientService cmd: #IhN4F4pWg9mnselJrdqUz#2PING RUNNING pc_done=&status_id=45&speed_bpms=0&total_bytes=-1&done_bytes=0&paused_fb=1#token=somesecrettoken
2019-10-21 14:53:59: ClientService cmd: PONG
2019-10-21 14:54:04: ClientService cmd: #IhN4F4pWg9mnselJrdqUz#2PING RUNNING pc_done=&status_id=45&speed_bpms=0&total_bytes=-1&done_bytes=0&paused_fb=1#token=somesecrettoken
2019-10-21 14:54:14: ClientService cmd: #IhN4F4pWg9mnselJrdqUz#2PING RUNNING pc_done=&status_id=45&speed_bpms=0&total_bytes=-1&done_bytes=0&paused_fb=1#token=somesecrettoken
2019-10-21 14:54:24: ClientService cmd: #IhN4F4pWg9mnselJrdqUz#2PING RUNNING pc_done=&status_id=45&speed_bpms=0&total_bytes=-1&done_bytes=0&paused_fb=1#token=somesecrettoken
2019-10-21 14:54:25: ClientService cmd: STATUS#pw=kASeW0n33GtSVsxODViZw6rhaKLlVH
2019-10-21 14:54:34: ClientService cmd: #IhN4F4pWg9mnselJrdqUz#2PING RUNNING pc_done=&status_id=45&speed_bpms=0&total_bytes=-1&done_bytes=0&paused_fb=1#token=somesecrettoken
2019-10-21 14:54:44: ClientService cmd: #IhN4F4pWg9mnselJrdqUz#2PING RUNNING pc_done=&status_id=45&speed_bpms=0&total_bytes=-1&done_bytes=0&paused_fb=1#token=somesecrettoken
2019-10-21 14:54:54: ClientService cmd: #IhN4F4pWg9mnselJrdqUz#2PING RUNNING pc_done=&status_id=45&speed_bpms=0&total_bytes=-1&done_bytes=0&paused_fb=1#token=somesecrettoken
2019-10-21 14:54:59: ClientService cmd: PONG
2019-10-21 14:55:04: ClientService cmd: #IhN4F4pWg9mnselJrdqUz#2PING RUNNING pc_done=&status_id=45&speed_bpms=0&total_bytes=-1&done_bytes=0&paused_fb=1#token=somesecrettoken
2019-10-21 14:55:14: ClientService cmd: #IhN4F4pWg9mnselJrdqUz#2PING RUNNING pc_done=&status_id=45&speed_bpms=0&total_bytes=-1&done_bytes=0&paused_fb=1#token=somesecrettoken
2019-10-21 14:55:16: ClientService cmd: STATUS#pw=kASeW0n33GtSVsxODViZw6rhaKLlVH
2019-10-21 14:55:24: ClientService cmd: #IhN4F4pWg9mnselJrdqUz#2PING RUNNING pc_done=&status_id=45&speed_bpms=0&total_bytes=-1&done_bytes=0&paused_fb=1#token=somesecrettoken
2019-10-21 14:55:34: ClientService cmd: #IhN4F4pWg9mnselJrdqUz#2PING RUNNING pc_done=&status_id=45&speed_bpms=0&total_bytes=-1&done_bytes=0&paused_fb=1#token=somesecrettoken
2019-10-21 14:55:44: ClientService cmd: #IhN4F4pWg9mnselJrdqUz#2PING RUNNING pc_done=&status_id=45&speed_bpms=0&total_bytes=-1&done_bytes=0&paused_fb=1#token=somesecrettoken
2019-10-21 14:55:54: rc=0 hasError=true state=0
2019-10-21 14:55:55: ClientService cmd: #IhN4F4pWg9mnselJrdqUz#2LOGDATA 1571662554 0-1571656413-Starting unscheduled incremental file backup…
0-1571656426-Selected no components to backup
0-1571656426-Scanning for changed hard links on volume of "D:"…
0-1571656426-Indexing of “D” done. 2 filesystem lookups 22571 db lookups and 2 db updates
0-1571656426-admin: Loading file list…
2-1571662549-Error getting filelist of admin. Errorcode: TIMEOUT (2)
2-1571662554-Backup had an early error. Deleting partial backup.

During indexing, Nano PiNeo 2 consumption almost nothing of system resources.

What could be the reason for timeout ?

Any ideas ?
Maybe this issues because of armhf64 processor ?

I guess the client log would perhaps have some hints w.r.t. the error. It is difficult to see… how much time passes between “Loading file list…” and the TIMEOUT error?
(Could also be a blocked port on the client btw.)

Dear @uroni
Thank you for you reply. I found problem which causes to TIMEOUT error . Problem was in my SD Card. It sounds a little weird, because no other issues was found. But in real life, after I’ve switched to other SD Card, issue solved.