Re: btrfs-convert on 24Gb image corrupts files.

[Anand Jain <anand.jain@oracle.com>]

On 5/6/24 18:53, Yordan wrote:
> The attached file which is a reduced version of the problematic image,
> produced by removing all files and directories, except 5 of the
> problematic files and their path. Then its filesystem filled with zero
> file, shrinked with "resize2fs" to 512M and compressed to 7M.
> 
> md5sum sda3.img.zst
> 9eec41fee47e3db555edeaba5d8d2e9a  sda3.img.zst
> 
> (chroot) livecd / # zstd -d sda3.img.zst -o sda3.img
> sda3.img.zst        : 536870912 bytes
> (chroot) livecd / # mount -o ro sda3.img k
> (chroot) livecd / # find k/ -type f | xargs md5sum >files.md5
> (chroot) livecd / # md5sum -c files.md5 | grep -v OK
> 
> (chroot) livecd / # umount k
> (chroot) livecd / # B/btrfs-progs/btrfs-convert sda3.img
> btrfs-convert from btrfs-progs v6.8.1
>  > Source filesystem:
>    Type:           ext2
>    Label:
>    Blocksize:      4096
>    UUID:           b3a78a9f-37e7-4ccb-bedb-1f800a6a5a19
> Target filesystem:
>    Label:
>    Blocksize:      4096
>    Nodesize:       16384
>    UUID:           d7c77d2f-d470-450a-ba0e-b6567ad3f4b3
>    Checksum:       crc32c
>    Features:       extref, skinny-metadata, no-holes, free-space-tree (default)
>      Data csum:    yes
>      Inline data:  yes
>      Copy xattr:   yes
> Reported stats:
>    Total space:       536870912
>    Free space:        326238208 (60.77%)
>    Inode count:           32768
>    Free inodes:           32743
>    Block count:          131072
> Create initial btrfs filesystem
> Create ext2 image file
> Create btrfs metadata
> Copy inodes [o] [         1/        25]
> Free space cache cleared
> Conversion complete
> 
> (chroot) livecd / # mount -o ro sda3.img k
> (chroot) livecd / # md5sum -c files.md5
> k/root/.mozilla/firefox/s554srh9.default-release/storage/permanent/chrome/idb/3561288849sdhlie.sqlite:
> FAILED
> k/root/.mozilla/firefox/s554srh9.default-release/storage/permanent/chrome/idb/1657114595AmcateirvtiSty.sqlite:
> FAILED
> k/root/.mozilla/firefox/s554srh9.default-release/storage/permanent/chrome/idb/2823318777ntouromlalnodry--naod.sqlite:
> FAILED
> k/root/.mozilla/firefox/s554srh9.default-release/storage/permanent/chrome/idb/2918063365piupsah.sqlite:
> FAILED
> k/root/.mozilla/firefox/s554srh9.default-release/storage/permanent/chrome/idb/3870112724rsegmnoittet-es.sqlite:
> OK
> k/root/.mozilla/firefox/s554srh9.default-release/storage/permanent/chrome/idb/1451318868ntouromlalnodry--epcr.sqlite:
> FAILED
> md5sum: WARNING: 5 computed checksums did NOT match
> 


Are these test results with the v2 patchset? Thanks, Anand.


> Regards, Jordan.