zfs send/recv invalid data

Steven Hartland killing at multiplay.co.uk
Wed Mar 6 02:35:44 UTC 2013


----- Original Message ----- 
From: "Larry Rosenman" <ler at lerctr.org>
To: "Ronald Klop" <ronald-freebsd8 at klop.yi.org>
Cc: <freebsd-fs at freebsd.org>
Sent: Wednesday, March 06, 2013 12:13 AM
Subject: Re: zfs send/recv invalid data


> On 2013-03-05 14:52, Larry Rosenman wrote:
>> On 2013-03-05 14:45, Ronald Klop wrote:
>>> On Tue, 05 Mar 2013 21:12:40 +0100, Larry Rosenman <ler at lerctr.org> 
>>> wrote:
>>> 
>>>> I received an "invalid data" in a zfs send (from 8.3) / zfs recv (to 
>>>> 10.0) of a -R -I stream.
>>>> What data do I need to gather to figure out what side and what's 
>>>> wrong?
>>>> I've already started zpool scrubs on both sides.
>>>> I can insert a tee to grab the stream on either/both sides if that 
>>>> would  help.
>>>> 
>>>> 
>>>> 
>>> Is the problem repeatable or is it just a network glitch?
>>> Ronald.
>> Repeatable.......
> 
> 
> Here is the exact error message:
> receiving incremental stream of vault/home/ctr at 2013-03-05-test3 into 
> zroot/backups/TBH/home/ctr at 2013-03-05-test3
> cannot receive incremental stream: invalid backup stream
> 
> this is the script I'm running:
> #!/bin/sh
> DATE=`date "+%Y-%m-%d-BUG-REPRO"`
> DATE2=`date -v "-1d" "+%Y-%m-%d"`
> # snap the source
> ssh root at tbh.lerctr.org zfs snapshot -r vault@${DATE}
> # zfs copy the source to here.
> ssh root at tbh.lerctr.org "zfs send  -R -D  -I vault@${DATE2} 
> vault@${DATE} | \
>      tee /tmp/backup.stream.send.${DATE} | \
>      ssh home.lerctr.org \"tee /tmp/backup.stream.receive.${DATE} | zfs 
> recv  -u -v -d zroot/backups/TBH\""
> # make sure we NEVER allow the backup stuff to automount.
> /sbin/zfs list -H -t filesystem -r zroot/backups/TBH| \
>     awk '{printf "/sbin/zfs set canmount=noauto %s\n",$1}' | sh
> 
> both streams are in http://www.lerctr.org/~ler/ZFS_RECV

Your send and receive sides differ, which indicates your ssh
shell my not be clean.

Looking at the receive side its got what looks like a mail
message appended.

I suspect if you manually copy the receive copy to the 
10 machine and the receive it will work fine.

    Regards
    Steve

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