Clarification required about xfs_metadump and xfs_mdrestore

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Hi All,

Got your email id from Nathan Scott.

Could you please clarify the reasons behind stating below statement in
xfs_metadump man page.



*xfs_metadump should not be used for any purposes other than for
 debugging and reporting filesystem problems*
Man page: http://man7.org/linux/man-pages/man8/xfs_metadump.8.html

I am trying to encrypt my existing xfs drive (/dev/sda2) and would like to
backup metadata using xfs_metadump and restore it back using xfs_mdrestore
after encrypting my drive. In order to retain entire contents of my
realtime partition (/dev/sda1), I need to perform this step.

Can I use xfs_metadump to backup meta-data of xfs  and restore it back
successfully ?
Why xfs_metadump should be specifically used as debugging tool ? Please
clarify ?

Thanks in Advance,
Murali

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<div dir=3D"ltr"><span class=3D"gmail-im" style=3D"font-size:12.8px">Hi All=
,</span><div><span class=3D"gmail-im" style=3D"font-size:12.8px"><br></span=
></div><div><span class=3D"gmail-im" style=3D"font-size:12.8px">Got your em=
ail id from Nathan Scott.=C2=A0<br><br>Could you please clarify the reasons=
 behind stating below statement in<br>xfs_metadump man page.<br><br><i>xfs_=
metadump should not be used for any purposes other than for<br>=C2=A0 =C2=
=A0 =C2=A0 =C2=A0debugging and reporting filesystem problems<br></i><br>Man=
 page:=C2=A0<a href=3D"http://man7.org/linux/man-pages/man8/xfs_metadump.8.=
html" rel=3D"noreferrer" target=3D"_blank">http://man7.org/linux/man-<wbr>p=
ages/man8/xfs_metadump.8.html</a><br><br>I am trying to encrypt my existing=
 xfs drive (/dev/sda2) and would like to backup metadata using xfs_metadump=
 and restore it back using xfs_mdrestore after encrypting my drive. In orde=
r to retain entire contents of my realtime partition (/dev/sda1), I need to=
 perform this step.</span><div><span class=3D"gmail-im" style=3D"font-size:=
12.8px"><br></span><span style=3D"font-size:12.8px">Can I use xfs_metadump =
to backup meta-data of xfs=C2=A0 and restore it back successfully ?</span><=
br style=3D"font-size:12.8px"><span style=3D"font-size:12.8px">Why xfs_meta=
dump should be specifically used as debugging tool ? Please clarify ?</span=
><div><span style=3D"font-size:12.8px"><br clear=3D"all"></span><div><div c=
lass=3D"gmail_signature"><div>Thanks in Advance,</div><div>Murali<br></div>=
</div></div>
</div></div></div></div>

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