Mail Archives: cygwin/2008/11/18/12:46:45
Hi Steve,
Hmmm, thanks for confirming what I pessimistically suspected but
optimistically hoped to be corrected on. Unfortunately our data files
are frequently in the 3-4Gb range so it sounds like SFU is unlikely to
be an option either.
Would like to persist with cygwin as we use it for some of our
proteomics tools. I guess I'll have to ditch the security and try
rsyncd (just as soon as I can get on the client machines and add yet
another exception to the Windoze firewall) – unless anyone else has
any thoughts or suggestions?
Cheers,
Fred.
On Nov 18, 2008, at 5:25 PM, Steven Hartland wrote:
> rsync over ssh and cygwin don't play nice and likely never will.
> Either
> avoid using rsync or use it in daemon mode avoiding ssh which is where
> the problem really lies ( the interaction between rsync and ssh ).
>
> A good alternative to cygwin for this is SFU but be aware that most
> versions only support 32bit files so less than 2GB.
>
> Regards
> Steve
>
> ----- Original Message ----- From: "Fred Kemp"
> <c DOT f DOT kemp AT reading DOT ac DOT uk>
>
>
>> Good afternoon all,
>> Please excuse my cygwin newbie status if I have missed something
>> obvious.
>> Having resolved the "overly long file name" issue with rsync in
>> cygwin 1.5 by upgrading to version 1.7, I have hit a new problem,
>> namely rsync hanging midway through transfer. No errors are
>> reported or logged, nothing seems to be timing out, it just sits
>> there indefinitely. Re-running rsync will maybe do a couple more
>> files then hang again, and again, and again... Having read around
>> tinternet, it seems I am not completely alone in this problem, but
>> I have yet to find a solution that works for me. Briefly:
>> I have set up ssh-keyless authentication between my server (OsX
>> 10.5.5, rsync 3.0.4, OpenSSH 5.1p1) and a dozen or so PC's running
>> XPsp2 (cygwin 1.7, rsync 3.0.4, OpenSSH 5.1p1) and use rsync to
>> mirror user directories on the PC's to my server, as follows:
>> rsync --verbose --progress --stats --rsh=/usr/bin/ssh --archive \
>> Administrator AT clientPC:"/cygdrive/c/Documents\ and\ Settings/
>> userdirectory/" /Users/userdirectory/
>> This is in effect identical to the method I use to mirror data
>> between two OsX servers, where it can happily handle several
>> terabytes of data and millions of files. I have tried rsyncing
>> individual subdirectories in a userdirectory and that works fine
>> but still it hangs when the whole directory is tried again.
>> Similarly, one or two of the smaller user directories (around
>> 15,000 files and 35Gb data) work fine. Over around 30,000 files
>> seems to be where I have the problem...
>> What is really strange is that if I run the rsync from the client
>> PC to the server, it works fine, and subsequent rsyncs from the
>> server also work fine (presumably since hardly any files have
>> changed)...
>> At this stage I am somewhat stumped and would appreciate any
>> pointers the gurus can give, even as to whether this is believed
>> to be an rsync, sshd or underlying cywin issue... Very happy to
>> provide further info as required, or to be shot down in flames
>> should I have done something stupid! ;-)
>> Thanks in advance,
>> Fred.
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