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Date:      Wed, 28 Nov 2012 23:47:15 +0200
From:      Boris Astardzhiev <boris.astardzhiev@gmail.com>
To:        Ronald Klop <ronald-freebsd8@klop.yi.org>
Cc:        freebsd-fs@freebsd.org, gjb@semihalf.com, stanislav_galabov@smartcom.bg, Grzegorz Bernacki <gber@freebsd.org>
Subject:   Re: NANDFS eats itself up
Message-ID:  <CAP=KkTzaGvTM6mJYvB=3UEoA8O%2Bs6Ab9b_vd9bFape-DUFkvog@mail.gmail.com>
In-Reply-To: <op.woh4wfma8527sy@212-182-167-131.ip.telfort.nl>
References:  <CAP=KkTwX6t=6a_b7osbce5wLXrEEr_ryChAx-G5B24xOQw-q8g@mail.gmail.com> <20121128104218.GA17871@dft-labs.eu> <CAP=KkTwdh631nrTScuG6v4rdvk8zJMsOPKosc2-WGa3-aWp4EQ@mail.gmail.com> <20121128151336.GC17871@dft-labs.eu> <CAP=KkTwoa8Z3ksarZHD_k7Ye1razXzSDh=JesgVKRb4AR6U7Kg@mail.gmail.com> <op.woh4wfma8527sy@212-182-167-131.ip.telfort.nl>

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Sorry for that, I haven't noticed it. I hope that this will do.

The attachment - http://justpaste.it/1kk5


On Wed, Nov 28, 2012 at 11:06 PM, Ronald Klop
<ronald-freebsd8@klop.yi.org>wrote:

> On Wed, 28 Nov 2012 16:36:11 +0100, Boris Astardzhiev <
> boris.astardzhiev@gmail.com> wrote:
>
>  If I do that I might be unable to set back the verbose level to 0 since
>> the
>> output is very very NOISY. This means that I will have to start again from
>> the beginning if I need to reproduce it. Nevertheless here you go. Check
>> the attachment (OUTPUTNAND.txt.bz2).
>>
>
> Your attachment is stripped by the mailinglist.
>
> Ronald.
>
>
>
>  On Wed, Nov 28, 2012 at 5:13 PM, Mateusz Guzik <mjguzik@gmail.com> wrote:
>>
>>  On Wed, Nov 28, 2012 at 05:06:12PM +0200, Boris Astardzhiev wrote:
>>> > Yes, I do. I've made this to repeat via a script. The interval between
>>> each
>>> > SCP transfer is 100s. I thought it would give just enough time to the
>>> fs
>>> > for reclaiming its space back.
>>> >
>>> > Now I stopped the transfers and doubled the vfs.nandfs.cleaner_segments
>>> to
>>> > 10. The fs has no files in it but it reports "~9.6MB" of used space. 4+
>>> > hours later it has NOT changed at all it still reports "~9.6MB" Used.
>>> >
>>>
>>> Now this indeed sounds like a bug. Can you enable debug like this:
>>> # sysctl vfs.nandfs.verbose=0xffffffff
>>>
>>> The kernel will start printing a lot of debugging information. With
>>> default configuration of syslog this will end up in /var/log/messages.
>>> Capture something like 30 seconds of output and post it somewhere.
>>>
>>> --
>>> Mateusz Guzik <mjguzik gmail.com>
>>>
>>



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