Jelle de Jong wrote:
Thank you for replying.
# strings $(which ntfs-3g) | grep ntfs-plugin
/usr/lib/x86_64-linux-gnu/ntfs-3g/ntfs-plugin-%08lx.so
# ldd /usr/lib/x86_64-linux-gnu/ntfs-3g/ntfs-plugin-80000013.so
linux-vdso.so.1 (0x00007ffee53a0000)
libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f85b3528000)
/lib64/ld-linux-x86-64.so.2 (0x00007f85b38fc000)
I am guessing the plugin is in the correct location (not fully sure
how %08lx expands).
The plugin is not referenced at link-time, so ldd cannot
show it, but it is at the expected location. %08lx expands
as the "reparse tag", which is defined as 80000013 for
deduplication. There would have been an error shown in
the syslog if the plugin was needed and not available.
I found out we disabled deduplication on the ntfs system to make sure
it was not causing issues a while ago, so this was not the root cause
of the issues I am experiencing for now. I will do further debugging.
Sounds reasonable.
Jean-Pierre
Kind regards,
Jelle de Jong
On 8/1/19 2:48 PM, Nikolay Ivanets wrote:
Do
strings $(which ntfs-3g) | grep ntfs-plugin
to find correct plugins location.
--
Mykola Ivanets
чт, 1 серп. 2019, 14:48 користувач Jelle de Jong
<jelledej...@powercraft.nl <mailto:jelledej...@powercraft.nl>> пише:
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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