Date: Wed, 06 Mar 2013 17:16:14 -0600 From: Larry Rosenman <ler@lerctr.org> To: Steven Hartland <killing@multiplay.co.uk> Cc: tevans.uk@googlemail.com, freebsd-fs@freebsd.org, ronald-freebsd8@klop.yi.org Subject: Re: zfs send/recv invalid data Message-ID: <e84db628ac7be2bea86d0f4fd8d47b36@webmail.lerctr.org> In-Reply-To: <218B0537E987442EAB8027EA478F8BE9@multiplay.co.uk> References: <7c93aef20a88cdbcca85739e67470dce@webmail.lerctr.org> <op.wthqmth68527sy@212-182-167-131.ip.telfort.nl> <25894116c93a59dab1fd976b425c36d1@webmail.lerctr.org> <07b59d5d4b2a3dab1385b054eea4f2da@webmail.lerctr.org> <A3EA720372254541BCCB6C92DBA36A0E@multiplay.co.uk> <7619c6383449c7a316edb1cdffc98c54@webmail.lerctr.org> <alpine.BSF.2.00.1303052052300.52489@thebighonker.lerctr.org> <473BCD0A4A7A4E6AB08409A9B0C82363@multiplay.co.uk> <d7c08e218ef301f1202354d0b11a6742@webmail.lerctr.org> <CAFHbX1LC25pyOBUGJ-PFxzTOXvJPYOF15H0%2BfTk6qfCyT-Q8fA@mail.gmail.com> <6dcfb2284551025af3cf58703a2b5cdc@webmail.lerctr.org> <920990505611cd96a075c80d06691bb0@webmail.lerctr.org> <201303061857.r26IvLnc024186@higson.cam.lispworks.com> <fc81037894dbc014853ba8fed06e427f@webmail.lerctr.org> <9e133e088f6c3c3dafdc0a99eb7c48c1@webmail.lerctr.org> <218B0537E987442EAB8027EA478F8BE9@multiplay.co.uk>
next in thread | previous in thread | raw e-mail | index | archive | help
On 2013-03-06 17:00, Steven Hartland wrote: > ----- Original Message ----- From: "Larry Rosenman" <ler@lerctr.org> >> # cat send.stream | ssh root@home openssl md5 >> (stdin)= 9cd1d73ea8411f1c222bc90e7bea3d33 >> # uname -a >> FreeBSD thebighonker.lerctr.org 8.3-STABLE FreeBSD 8.3-STABLE #54 >> r247820: Mon Mar 4 18:08:11 CST 2013 >> root@thebighonker.lerctr.org:/usr/obj/usr/src/sys/THEBIGHONKER amd64 >> # >> # exec csh >> root@borg:/home/ler # pwd >> /home/ler >> root@borg:/home/ler # ssh tbh "cat >> /home/ler/public_html/ZFS_RECV/send.stream | ssh root@home.lerctr.org >> openssl md5" >> (stdin)= 9cd1d73ea8411f1c222bc90e7bea3d33 >> root@borg:/home/ler # uname -a >> FreeBSD borg.lerctr.org 10.0-CURRENT FreeBSD 10.0-CURRENT #124 >> r247826: Mon Mar 4 19:59:08 CST 2013 >> root@borg.lerctr.org:/usr/obj/usr/src/sys/BORG-DTRACE amd64 >> root@borg:/home/ler # > > When you run a command from ssh it will run as the target users shell > so for csh if there is something bad in .cshrc or iirc .profile then > you may get something output purely by logging in. > > So ensure you shell config's for the user on the target machine are > clean. > > You can confirm this by comparing the output from the following > two commands run from the sending machine:- > md5 send.stream > cat send.stream | ssh root@home.lerctr.org "cat" |md5 > > If these two commands produce different md5's then the login > shell for root on home.lerctr.org is outputing something > even when there is no terminal. > > You should be able to see what the shell is outputting using:- > echo -n '' | ssh root@home.lerctr.org "cat" > 1.log > > After running this 1.log should be 0 bytes if its not your > shell is definitely your problem and I'd start by looking > at .cshrc and .profile for this user, or even the globals > for these in /etc/ > I've done that, and get identical md5's..... I'm at a loss. -- Larry Rosenman http://www.lerctr.org/~ler Phone: +1 214-642-9640 (c) E-Mail: ler@lerctr.org US Mail: 430 Valona Loop, Round Rock, TX 78681-3893
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?e84db628ac7be2bea86d0f4fd8d47b36>