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rsync hanging
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 rsync hanging - Aug. 6, '06, 7:01:51 AM
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DrPizza
Posts: 40
Joined: Mar. 27, '03,
Status: offline
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I'm trying to rsync about 4.5 GiB (in 22150 mostly small files, nothing that breaks the 2 GiB limitation). The rsync gets about half way and then seems to break. The local rsync processes continue to consume processor time, but no data travels over the network and no progress is made.
The command I'm using is
rsync --delete -avz --progress -e 'ssh -l username' hostname:~ ./
The remote server is linux running rsync 2.6.8 (albeit with different options, as it can deal with 64-bit file sizes).
What can I do to diagnose the fault?
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RE: rsync hanging - Aug. 6, '06, 2:57:18 PM
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Rodney
Posts: 3728
Joined: Jul. 9, '02,
From: /Tools lab
Status: offline
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Use pstat to see if it's stuck in a system call.
Also what's your o/p from "fileinfo" and "uname -a" currently?
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RE: rsync hanging - Aug. 6, '06, 6:22:01 PM
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DrPizza
Posts: 40
Joined: Mar. 27, '03,
Status: offline
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quote:
Use pstat to see if it's stuck in a system call.
bash-3.00$ ps -efww | grep rsync
Administrator 495 895 23:16:14 n00 0:02.85 rsync --delete -avz --progress -e ssh -l username hostname:~ ./
Administrator 647 1467 23:17:23 n00 0:00.00 grep rsync
Administrator 895 1467 23:16:06 n00 0:07.54 rsync --delete -avz --progress -e ssh -l username hostname:~ ./
Administrator 1865 895 23:16:06 n00 0:01.07 ssh -l username hostname rsync --server --sender -vlogDtprz . ~
bash-3.00$ pstat 495
pid=495 ppid=895 pgid=895 sid=1639 state=3 Active
flags=600000 32-bit
signal trampoline = 0x49A83030,0x49A8306F nullapi = 0x49A83070,0x49A8316B
Thread Specific Data [TID=1]
EIP=7c82ed54 UESP=0086f2b8 EBP=0086f2d0 EFL=00000203
EAX=77dc46de EBX=00000000 ECX=77dc46de EDX=00000038 EDI=0000009d ESI=0086f2e8
CS=0000001b DS=00000023 ES=00000023 FS=0000003b GS=00000000 SS=00000023
bash-3.00$ pstat 895
pid=895 ppid=1467 pgid=895 sid=1639 state=3 Active
flags=40600032 execed waited pgrp 32-bit asleep
signal trampoline = 0x49A83030,0x49A8306F nullapi = 0x49A83070,0x49A8316B
Thread Specific Data [TID=1]
current syscall=select()
EIP=7c82ed54 UESP=0086edc0 EBP=0086edd8 EFL=00000203
EAX=0086f37c EBX=00000000 ECX=0086fb00 EDX=0086f3a4 EDI=00000000 ESI=0086edf0
CS=0000001b DS=00000023 ES=00000023 FS=0000003b GS=00000000 SS=00000023
bash-3.00$
quote:
Also what's your o/p from "fileinfo"
bash-3.00$ fileinfo
/dev/fs/C/WINDOWS/system32/PSXSS.EXE 9.0.3790.2075 (dnsrv_r2.051122-2350)
/dev/fs/C/WINDOWS/system32/PSXDLL.DLL 9.0.3790.2075 (dnsrv_r2.051122-2350)
/dev/fs/C/WINDOWS/system32/PSXDLLSVR.DLL 9.0.3790.2075 (dnsrv_r2.051122-2350)
/dev/fs/C/WINDOWS/POSIX.EXE 9.0.3790.2075 (dnsrv_r2.051122-2350)
/dev/fs/C/WINDOWS/PSXRUN.EXE 9.0.3790.2075 (dnsrv_r2.051122-2350)
/dev/fs/C/WINDOWS/system32/drivers/PSXDRV.SYS 9.0.3790.2075 (dnsrv_r2.051122-2350)
quote:
and "uname -a" currently?
bash-3.00$ uname -a
Interix quiscalus 5.2 SP-9.0.3790.2075 x86 Intel_x86_Family15_Model2_Stepping9
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RE: rsync hanging - Aug. 7, '06, 4:16:51 AM
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Rodney
Posts: 3728
Joined: Jul. 9, '02,
From: /Tools lab
Status: offline
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(I'm assuming rsync 2.6.8 on Interix is being used.)
Thanks for the info. I'm realizing now that you wrote before that
rsync continued to use CPU in it's stuck state. So it can't
be stuck in a system call if it keeps using CPU. It might be
stuck in a loop.
Just reading through the "NEWS" of rsync and I read about
a new (undocumented, beta version) option that might be useful.
"--log-file=FILE" allow rsync to log it's actions to a file.
You could give this a try to see what shows up at the end of this log
when rsync is in it's stuck state.
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