Hi,
We have problems to backup a large /home directory (+/- 12Go) with rsync
(daemon mode) and BackupPC on ADSL static IP 4Mbps/380Kbps for the
backed-up machine and Internet 10Mbps for the backup server, the rsync
options are:
'--numeric-ids',
'--perms',
'--owner',
'--group',
'--devices',
'--links',
'--times',
'--block-size=2048',
'--recursive',
We have not noticed any link failure on ADSL, on the backed-up machine
the rsync.log we have:
2006/01/17 17:23:43 [12651] rsync: writefd_unbuffered failed to write
4096 bytes: phase "unknown" [sender]: Connection timed out (110)
2006/01/17 17:23:43 [12651] rsync error: error in rsync protocol data
stream (code 12) at io.c(1099)
And on our backup server we got this on tcpdump:
18:13:20.208260 IP our.backup.server.com.57877 > the.remote.server.com.rsync:
. ack 281801068 win 32768 <nop,nop,timestamp 1130933733
1385607516,nop,nop,sack 3
{281822788:281824236}{281861884:281867804}{281857540:281858988}>
18:13:20.246229 IP the.remote.server.com.rsync > our.backup.server.com.57877:
. ack 47785 win 0 <nop,nop,timestamp 1385665768 1130352553>
18:13:43.028566 IP the.remote.server.com.rsync > our.backup.server.com.57877:
. 281801068:281802516(1448) ack 47785 win 0 <nop,nop,timestamp 1385668045
1130352553>
18:15:20.226961 IP our.backup.server.com.57877 > the.remote.server.com.rsync:
. ack 281801068 win 32768 <nop,nop,timestamp 1131053771
1385607516,nop,nop,sack 3
{281822788:281824236}{281861884:281867804}{281857540:281858988}>
18:15:20.264772 IP the.remote.server.com.rsync > our.backup.server.com.57877:
. ack 47785 win 0 <nop,nop,timestamp 1385677767 1130352553>
18:15:43.055755 IP the.remote.server.com.rsync > our.backup.server.com.57877:
. 281801068:281802516(1448) ack 47785 win 0 <nop,nop,timestamp 1385680045
1130352553>
18:17:20.245954 IP our.backup.server.com.57877 > the.remote.server.com.rsync:
. ack 281801068 win 32768 <nop,nop,timestamp 1131173809
1385607516,nop,nop,sack 3
{281822788:281824236}{281861884:281867804}{281857540:281858988}>
18:17:20.283561 IP the.remote.server.com.rsync > our.backup.server.com.57877:
. ack 47785 win 0 <nop,nop,timestamp 1385689767 1130352553>
18:17:43.082700 IP the.remote.server.com.rsync > our.backup.server.com.57877:
. 281801068:281802516(1448) ack 47785 win 0 <nop,nop,timestamp 1385692045
1130352553>
18:19:20.264303 IP our.backup.server.com.57877 > the.remote.server.com.rsync:
. ack 281801068 win 32768 <nop,nop,timestamp 1131293847
1385607516,nop,nop,sack 3
{281822788:281824236}{281861884:281867804}{281857540:281858988}>
18:19:20.302149 IP the.remote.server.com.rsync > our.backup.server.com.57877:
. ack 47785 win 0 <nop,nop,timestamp 1385701766 1130352553>
18:19:43.110385 IP the.remote.server.com.rsync > our.backup.server.com.57877:
. 281801068:281802516(1448) ack 47785 win 0 <nop,nop,timestamp 1385704045
1130352553>
18:21:20.283447 IP our.backup.server.com.57877 > the.remote.server.com.rsync:
. ack 281801068 win 32768 <nop,nop,timestamp 1131413885
1385607516,nop,nop,sack 3
{281822788:281824236}{281861884:281867804}{281857540:281858988}>
18:21:20.320952 IP the.remote.server.com.rsync > our.backup.server.com.57877:
. ack 47785 win 0 <nop,nop,timestamp 1385713765 1130352553>
18:21:43.137332 IP the.remote.server.com.rsync > our.backup.server.com.57877:
. 281801068:281802516(1448) ack 47785 win 0 <nop,nop,timestamp 1385716045
1130352553>
18:23:20.302265 IP our.backup.server.com.57877 > the.remote.server.com.rsync:
. ack 281801068 win 32768 <nop,nop,timestamp 1131533923
1385607516,nop,nop,sack 3
{281822788:281824236}{281861884:281867804}{281857540:281858988}>
18:23:20.339520 IP the.remote.server.com.rsync > our.backup.server.com.57877:
. ack 47785 win 0 <nop,nop,timestamp 1385725764 1130352553>
18:25:20.320889 IP our.backup.server.com.57877 > the.remote.server.com.rsync:
. ack 281801068 win 32768 <nop,nop,timestamp 1131653961
1385607516,nop,nop,sack 3
{281822788:281824236}{281861884:281867804}{281857540:281858988}>
18:25:20.358544 IP the.remote.server.com.rsync > our.backup.server.com.57877:
R 1436037516:1436037516(0) win 0
We have no problems with other machine on ADSL but with smaller directories.
Have you some ideas ?
Thanks in advance for your help.
Sam.
--
Sam Przyswa - Chef de projet
Arial Concept - Int??oerateur Internet
36, rue de Turin - 75008 - Paris - France
Tel: 01 40 54 86 04 - 0870 444 596 - Fax: 01 40 54 83 01
Skype ID: arial-concept
Web: http://www.arial-concept.com - Email: Info@arial-concept.com
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