Date: Mon, 26 Mar 2001 18:08:32 +0800 From: Christopher Hall <hsw@acm.org> To: ports@FreeBSD.ORG Subject: Problem with rsync Message-ID: <200103261008.f2QA8X474965@w40.tucheng.generalresources.com>
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I am trying to use rsync on the latest 4.3 RC, but it is locking up
every few files.
A. rsync local remote
using ps -axlw
on the source machine:
0 73722 73713 0 2 0 5768 5332 select S+ p1 0:09.04
rsync --recursive --links --hard-links --perms --owner --group -
0 73723 73722 0 2 0 2172 1344 sbwait I+ p1 0:01.08
ssh -l toor w41 rsync --server -vlHogDtprz . /home
on the destination machine:
0 4018 4017 0 10 0 620 408 wait Is ?? 0:00.03
sh -c rsync --server -vlHogDtprz . /home
0 4019 4018 0 2 0 7788 7380 select I ?? 0:12.50
rsync --server -vlHogDtprz . /home
0 4020 4019 0 2 0 7880 7464 select S ?? 0:03.04
rsync --server -vlHogDtprz . /home
Using truss, the last few lines before the lock up are:
write(1,0x8074000,49) = 49 (0x31)
break(0x8535000) = 0 (0x0)
read(0x3,0x8517000,0x1d99e) = 121246 (0x1d99e)
write(1,0x8074000,12) = 12 (0xc)
write(1,0x8074000,12) = 12 (0xc)
write(1,0x8074000,12) = 12 (0xc)
select(0x5,0x0,0xbfbff0e4,0x0,0xbfbff05c) = 1 (0x1)
write(4,0x8502000,16381) = 8176 (0x1ff0)
select(0x5,0x0,0xbfbff0e4,0x0,0xbfbff05c) = 0 (0x0)
select(0x5,0x0,0xbfbff0e4,0x0,0xbfbff05c) = 0 (0x0)
The last select line is repeated after a time delay, and it looks to me like
the write above it did not output enough bytes.
I tried again using rsh as the transport, there is no lock up, just a
message:
unexpected tag -7
The --blocking-io switch did not make any difference.
B. rsync local local
For a comparison I tried a local copy, the lock up occurred after the
last file was transferred. Both machines were the same.
The last file was transferred, since a second rsync run did not
transfer any more files.
C. rsync remote local
Transferred 40,000 approx 400M successfully
D. Has anyone else seen this kind of problem or can suggest how I might
narrow down where the faults lie.
---
Christopher Hall <hsw@acm.org>
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