From: Nikolay Borisov <nborisov@suse.com>
To: Serhat Sevki Dincer <jfcgauss@gmail.com>, linux-btrfs@vger.kernel.org
Subject: Re: btrfs convert problem
Date: Thu, 13 Sep 2018 18:51:27 +0300 [thread overview]
Message-ID: <e107e504-ee53-8879-23c2-9fc8cfe7c755@suse.com> (raw)
In-Reply-To: <CAPqC6xR1rbNqpPUUxU2OyvtCHoD2LOywE5cRDtNTbqJ2=5e_nQ@mail.gmail.com>
On 13.09.2018 15:22, Serhat Sevki Dincer wrote:
> Hi,
>
> I have an external usb HDD (WD my passport, just usb cable, no
> external power) with a single ext4 partition occupying the whole disk
> with 698 GiB capacity and 188 GiB empty space. The data on disk is not
> very important.
>
> I also have a laptop with Manjaro 64-bit XFCE, kernel 4.14.68,
> btrfs-progs v4.17.1, all packages come with Manjaro.
>
> I tried to convert my disk to btrfs with
> sudo btrfs-convert /dev/sdb1
> I have also tried -i, -n options, all failed with:
>
> create btrfs filesystem:
> blocksize: 4096
> nodesize: 16384
> features: extref, skinny-metadata (default)
> creating ext2 image file
> ERROR: failed to create ext2_saved/image: -1
-1 seems to be EPERM, is your device write-protected, readonly or
something like that ?
> WARNING: an error occurred during conversion, filesystem is partially
> created but not finalized and not mountable
>
> I could not find this error/warning combo on the net.
> ext4 partition seems intact and working after these attempts.
> How can I debug and complete this conversion?
>
> Thanks..
>
next prev parent reply other threads:[~2018-09-13 21:01 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-13 12:22 btrfs convert problem Serhat Sevki Dincer
2018-09-13 15:51 ` Nikolay Borisov [this message]
2018-09-13 16:15 ` Serhat Sevki Dincer
2018-09-13 16:37 ` Nikolay Borisov
2018-09-13 23:17 ` Qu Wenruo
2018-09-14 5:52 ` Nikolay Borisov
2018-09-14 6:10 ` Qu Wenruo
2018-09-14 6:46 ` Qu Wenruo
-- strict thread matches above, loose matches on Subject: below --
2018-11-17 9:49 Serhat Sevki Dincer
2018-11-17 10:05 ` Qu Wenruo
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