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From: "Robert Eckardt" <rol@robert-eckardt.de>
To: krad <kraduk@googlemail.com>
Date: Thu, 3 Sep 2009 11:48:47 +0200
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Cc: hackers@freebsd.org, Adrian Penisoara <ady@freebsd.ady.ro>
Subject: Re: Fw: Re: ZFS continuously growing [SOLVED]
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On Thu, 3 Sep 2009 10:01:28 +0100, krad wrote 
> 2009/9/3 Robert Eckardt <rol@robert-eckardt.de> 
> On Thu, 3 Sep 2009 09:09:19 +0200, Adrian Penisoara wrote 
> 
> > Hi, 
> > 
> > On Wed, Sep 2, 2009 at 10:22 PM, Robert Eckardt 
> > <Robert.Eckardt@robert-eckardt.de> wrote: 
> 
> > > Do I have to be worried? 
> > > Is there a memory leak in the current ZFS implementation? 
> > > Why is used space growing slower than free space is shrinking? 
> > > Is there some garbage collection needed in ZFS? 
> > > 
> > > Besides, although the backup server has 3 GB RAM I had to tune arc_max 
> > > to 150MB to copy the backed-up data from an 2.8TB ZFS (v6) to the 
> > > 4.5 TB ZFS (v13) by "zfs send|zfs recv" without kmalloc panic. 
> > > (I.e., the defaults algorithm was not sufficient.) 
> > 

> do a " zfs list -t all" 
> 
> you will see all snapshots and zvols then as well

Uups, sorry for asking.
Everything o.k. after "zfs destroy big/big@backup"  :-(

I hope the info on arc_max will stay useful.

Regards,
Robert

-- 
Dr. Robert Eckardt    ---     Robert.Eckardt@Robert-Eckardt.de