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Date:      Fri, 25 Jul 2014 08:49:39 -0500
From:      Larry Rosenman <ler@lerctr.org>
To:        freebsd-current@freebsd.org, Freebsd fs <freebsd-fs@freebsd.org>
Subject:   Re: zfs send/recv: STILL invalid Backup Stream
Message-ID:  <258d3f814c0d0a1159608d9cf09d65ad@thebighonker.lerctr.org>
In-Reply-To: <20140725134125.GA19293@thebighonker.lerctr.org>
References:  <cc635a377e817cb57d27650ed3e558f4@thebighonker.lerctr.org> <3d2aac84d962a703fbf56a864ba5f19c@mailbox.ijs.si> <c93ef94a8e9e076b86a65f4986d0e30d@thebighonker.lerctr.org> <9eef3e7e964cb33fd163cc2f9300f326@mailbox.ijs.si> <d5bda7f9ad7f86ec35ab6ba5571aa8bc@thebighonker.lerctr.org> <fbf874048b94066aabc4e656e2d3157d@thebighonker.lerctr.org> <c8e77e506bdba2bc1b9dd20ada388879@mailbox.ijs.si> <53D1AB3D.1060205@freebsd.org> <33c478c3120c21d6cb9c325cc1119cf8@thebighonker.lerctr.org> <60845088153247fa31c50c9f52ef72cb@mailbox.ijs.si> <20140725134125.GA19293@thebighonker.lerctr.org>

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On 2014-07-25 08:41, Larry Rosenman wrote:
> On Fri, Jul 25, 2014 at 11:58:48AM +0200, Mark Martinec wrote:
>> Don't know, I'd guess some network-related memory limit is being hit
>> on the sending site.
>> 
>> Why not try to decouple the 'zfs send' from a network copy and ssh:
>> Login to a remote side, do a 'zfs send' to some local temporary file
>> there, then feed that file to ssh and send it over to a home host,
>> where it can be piped into some simple program like md5 or 'wc -c'
>> instead of a zfs recv.
>> 
> I think I've done that, but it sort of defeats the purpose, as the 
> stream
> becomes a big file on disk.
> 
> I'd like to get some help chasing what parameter(s) need to be fixed 
> here.
> 
sysctl output and other things at:

http://www.lerctr.org/~ler/FreeBSD/


> Can I get some ideas on:
> 1) what MIGHT need tweaking
> 2) would (k|d)trace help?
> 3) what else could we find out what's being told no memory?

I *CAN* give SSH/Root/etc access to BOTH boxes on request.

What else do you need?


-- 
Larry Rosenman                     http://www.lerctr.org/~ler
Phone: +1 214-642-9640 (c)     E-Mail: ler@lerctr.org
US Mail: 108 Turvey Cove, Hutto, TX 78634-5688



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