Hello everybody,

I am trying to debug some issues I am having that the mount start showing a completely different filesystem (linux instead of windows ntfs) and I wanted to make sure the deduplication is still working.

So it is not showing in the syslog that the deduplication plugin is loaded?? Is this normal new behaviour?

lvcreate --snapshot --name sr8-disk2-snapshot-copy --size 50G /dev/lvm1-vol/sr8-disk2
lvchange -ay /dev/lvm1-vol/sr8-disk2-snapshot-copy
blkid /dev/lvm1-vol/sr8-disk2-snapshot-copy
kpartx -avg /dev/lvm1-vol/sr8-disk2-snapshot-copy
blkid /dev/mapper/lvm1--vol-sr8--disk2--snapshot--copy2
mkdir /mnt/sr8-sdb2-copy
mount -o ro -t ntfs-3g /dev/mapper/lvm1--vol-sr8--disk2--snapshot--copy2 /mnt/sr8-sdb2-copy
ls -hal /mnt/sr8-sdb2-copy/USERS/
df -hal
grep ntfs /var/log/syslog

# grep ntfs /var/log/syslog
Aug 1 13:18:24 backup ntfs-3g[1737]: Version 2017.3.23AR.3 integrated FUSE 28 Aug 1 13:18:24 backup ntfs-3g[1737]: Mounted /dev/mapper/lvm1--vol-sr8--disk2--snapshot--copy2 (Read-Only, label "DATA", NTFS 3.1)
Aug  1 13:18:24 backup ntfs-3g[1737]: Cmdline options: ro
Aug 1 13:18:24 backup ntfs-3g[1737]: Mount options: ro,allow_other,nonempty,relatime,fsname=/dev/mapper/lvm1--vol-sr8--disk2--snapshot--copy2,blkdev,blksize=4096 Aug 1 13:18:24 backup ntfs-3g[1737]: Ownership and permissions disabled, configuration type 7

root@backup:~# ls -hal /usr/lib/x86_64-linux-gnu/ntfs-3g
total 68K
drwxr-xr-x  2 root root 4.0K Jan 10  2017 .
drwxr-xr-x 45 root root  40K Aug  1 06:12 ..
-rw-r--r--  1 root root  17K Aug  1 13:04 ntfs-plugin-80000013.so

Kind regards,

Jelle de Jong


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