On Mon, Oct 20, 2003 at 12:11:59PM +0100, Robert Cross wrote: > > Abstract: Looking for technical assistance with rsync version 2.5.6 > protocol 26 on AIX. > > Trying to use rsync (version 2.5.6) to sync two AIX-based systems the other > day, and a couple of the filesystems (7 out of 18 in total) gave the > following error message: > > rsync: writefd_unbuffered failed to write 32768 bytes: phase > "unknown": Broken pipe > rsync error: error in rsync protocol data stream (code 12) at > io.c(515) > > Typical command used was: > rsync --archive --whole-file --one-file-system /sapdb/SP1/data6 > sap06:/sapdb/SP2 2>> $logfile > and the network interface being used was Gigabit Ethernet, the disk in both > cases being hosted on an SAN system. So there's plenty of disk and LAN > capacity. > > I've Googled for this problem, and the only references I can find for it, > seem to imply either LAN/IP-stack problems or problems with the source > data. I've got a problem believing either of these since: > a. I managed to send the failing file systems quite successfully using > standard "rcp" (remote copy) command. In fact rcp was twice as fast as > rsync (23MB/s+ v's 10-11MB/s) which I'm worried about. > b. No other problems noted with intersystem comms or these filesystems. > c. Other file systems which worked fine with rsync contained more data - > and were therefore larger - than some of the failing ones, so it's not a > file system size issue. > > At the time I tried playing with some of the rsync parameters, dropping > --whole-file and adding --partial, with no success. Oh, and I'm not using > an rsync server/daemon nor ssh. > > I've now done some more digging and all the filesystems that failed to sync > contain one or more files that are larger than 2GB in size. So it looks to > me like the latest version, on AIX at least, isn't large file > enabled/aware.
It is provided it is built correctly. There were some issues with mkstemp for which, as i understand it, there is a patch. This was covered on the list some months ago. > > If anyone's got any flashes of inspiration on either the large file > "problem", or the lack of performance, I'd be really > interested/grateful.... > > Regards > > Bob Cross. > > > > > * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * > This message is confidential. It may also be privileged or > protected by other legal rules. It does not constitute an > offer or acceptance of an offer, nor shall it form any part > of a legally binding contract. If you have received this > communication in error, please let us know by reply then > destroy it. You should not use, print, copy the message or > disclose its contents to anyone. > > E-mail is subject to possible data corruption, is not > secure, and its content does not necessarily represent the > opinion of this Company. No representation or warranty is > made as to the accuracy or completeness of the information > and no liability can be accepted for any loss arising from > its use. > > This e-mail and any attachments are not guaranteed to be > free from so-called computer viruses and it is recommended > that you check for such viruses before down-loading it to > your computer equipment. This Company has no control over > other websites to which there may be hypertext links and no > liability can be accepted in relation to those sites. > > Scottish Courage Limited > Registered in Scotland, Registered Number 65527 > Registered Office: 33, Ellersly Road, Edinburgh, EH12 6HX > Head Office: 160 Dundee Street, Edinburgh, EH11 1DQ > * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * > > -- > To unsubscribe or change options: http://lists.samba.org/mailman/listinfo/rsync > Before posting, read: http://www.catb.org/~esr/faqs/smart-questions.html > -- ________________________________________________________________ J.W. Schultz Pegasystems Technologies email address: [EMAIL PROTECTED] Remember Cernan and Schmitt -- To unsubscribe or change options: http://lists.samba.org/mailman/listinfo/rsync Before posting, read: http://www.catb.org/~esr/faqs/smart-questions.html
