Re: zfs send/recv: STILL invalid Backup Stream

From: Larry Rosenman <ler_at_lerctr.org>
Date: Fri, 25 Jul 2014 09:24:27 -0500
On 2014-07-25 09:03, Allan Jude wrote:
> On 2014-07-25 09:49, Larry Rosenman wrote:
>> 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?
>> 
>> 
> 
> Try just ssh into the 'source' host, and do:
> zfs send -v -R zroot_at_${DATE} > /dev/null
> 
> and see if it actually finishes, or if it runs out of memory again.
that, of course, worked fine :(


-- 
Larry Rosenman                     http://www.lerctr.org/~ler
Phone: +1 214-642-9640 (c)     E-Mail: ler_at_lerctr.org
US Mail: 108 Turvey Cove, Hutto, TX 78634-5688
Received on Fri Jul 25 2014 - 12:25:02 UTC

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