From: Stefan Priebe - Profihost AG <s.priebe@profihost.ag>
To: Adam Borowski <kilobyte@angband.pl>
Cc: "linux-btrfs@vger.kernel.org" <linux-btrfs@vger.kernel.org>
Subject: Re: BTRFS: space_info 4 has 18446742286429913088 free, is not full
Date: Thu, 29 Sep 2016 12:05:36 +0200 [thread overview]
Message-ID: <8875e043-cada-2376-53e4-d14d2bf9c78a@profihost.ag> (raw)
In-Reply-To: <20160929100311.GA6357@angband.pl>
Hi,
Am 29.09.2016 um 12:03 schrieb Adam Borowski:
> On Thu, Sep 29, 2016 at 09:27:01AM +0200, Stefan Priebe - Profihost AG wrote:
>> Am 29.09.2016 um 09:13 schrieb Wang Xiaoguang:
>>>>> I found that compress sometime report ENOSPC error even in 4.8-rc8,
>>>>> currently
>>>> I cannot confirm that as i do not have anough space to test this without
>>>> compression ;-( But yes i've compression enabled.
>>> I might not get you, my poor english :)
>>> You mean that you only get ENOSPC error when compression is enabled?
>>>
>>> And when compression is not enabled, you do not get ENOSPC error?
>>
>> I can't tell you. I cannot test with compression not enabled. I do not
>> have anough free space on this disk.
>
> Disabling compression doesn't immediately require any space -- it affects
> only newly written data. What you already have remains in the old
> compression setting, unless you defrag everything (a side effect of
> defragging is switching existing extents to the new compression mode).
Yes i know that but most workload is creating reflinks to old files and
modify data in them. So to create a good test i need to defrag and
uncompress all those files.
Greets,
Stefan
next prev parent reply other threads:[~2016-09-29 10:05 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-28 11:15 BTRFS: space_info 4 has 18446742286429913088 free, is not full Stefan Priebe - Profihost AG
2016-09-28 11:35 ` Wang Xiaoguang
2016-09-28 12:02 ` Stefan Priebe - Profihost AG
2016-09-28 12:10 ` Wang Xiaoguang
2016-09-28 12:25 ` Stefan Priebe - Profihost AG
2016-09-29 6:49 ` Stefan Priebe - Profihost AG
2016-09-29 6:55 ` Wang Xiaoguang
2016-09-29 7:09 ` Stefan Priebe - Profihost AG
2016-09-29 7:13 ` Wang Xiaoguang
2016-09-29 7:27 ` Stefan Priebe - Profihost AG
2016-09-29 10:03 ` Adam Borowski
2016-09-29 10:05 ` Stefan Priebe - Profihost AG [this message]
2016-10-06 3:04 ` Wang Xiaoguang
2016-10-06 7:32 ` Stefan Priebe - Profihost AG
2016-10-06 7:35 ` Stefan Priebe - Profihost AG
2016-10-07 7:03 ` Stefan Priebe - Profihost AG
2016-10-07 7:17 ` Wang Xiaoguang
2016-10-07 7:47 ` Paul Jones
2016-10-07 7:48 ` Paul Jones
2016-10-07 7:59 ` Stefan Priebe - Profihost AG
2016-10-07 8:05 ` Stefan Priebe - Profihost AG
2016-10-07 8:06 ` Stefan Priebe - Profihost AG
2016-10-07 8:07 ` Wang Xiaoguang
2016-10-07 8:16 ` Stefan Priebe - Profihost AG
2016-10-07 8:19 ` Wang Xiaoguang
2016-10-07 9:33 ` Holger Hoffstätte
2016-10-08 5:56 ` Stefan Priebe - Profihost AG
2016-10-08 20:49 ` Stefan Priebe - Profihost AG
2016-10-08 6:05 ` Stefan Priebe - Profihost AG
2016-10-10 20:06 ` Stefan Priebe - Profihost AG
2016-10-11 3:16 ` Wang Xiaoguang
2016-10-23 17:47 ` Stefan Priebe - Profihost AG
2016-10-25 10:48 ` Wang Xiaoguang
2016-09-28 12:47 ` Holger Hoffstätte
2016-09-28 13:06 ` Stefan Priebe - Profihost AG
2016-09-28 13:44 ` Holger Hoffstätte
2016-09-28 13:59 ` Stefan Priebe - Profihost AG
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