Discussion:
mbr to gpt disks
(too old to reply)
gram
2008-07-11 09:24:04 UTC
Permalink
We have to expand our disk space on our file server, we are running out of
disk space. Unfortunately to do so would go over 2 tb so we have to convert
from mbr to gpt. I thought this would be seamless, i.e add the disks in raid
the go into windows disk manager and convert.

To my horror according to microsoft you have to delete the partition then
convert to gpt then you have to go through the hassle of restoring your
data. Is there any way of doing this without have to delete data and
restore?
Edwin vMierlo [MVP]
2008-07-11 12:58:48 UTC
Permalink
double posted,

answered in microsoft.public.windows.server.general
Post by gram
We have to expand our disk space on our file server, we are running out of
disk space. Unfortunately to do so would go over 2 tb so we have to convert
from mbr to gpt. I thought this would be seamless, i.e add the disks in raid
the go into windows disk manager and convert.
To my horror according to microsoft you have to delete the partition then
convert to gpt then you have to go through the hassle of restoring your
data. Is there any way of doing this without have to delete data and
restore?
John Toner [MVP]
2008-07-11 13:00:44 UTC
Permalink
No, this is the only way to convert a disk to GPT.

Regards,
John

Visit my blog: http://msmvps.com/blogs/jtoner
Post by gram
We have to expand our disk space on our file server, we are running out of
disk space. Unfortunately to do so would go over 2 tb so we have to convert
from mbr to gpt. I thought this would be seamless, i.e add the disks in raid
the go into windows disk manager and convert.
To my horror according to microsoft you have to delete the partition then
convert to gpt then you have to go through the hassle of restoring your
data. Is there any way of doing this without have to delete data and
restore?
Jonathan de Boyne Pollard
2010-01-28 08:32:59 UTC
Permalink
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<blockquote cite="mid:***@TK2MSFTNGP05.phx.gbl" type="cite">
<blockquote type="cite">
<p wrap="">We have to expand our disk space on our file server, we
are running out of disk space. Unfortunately to do so would go over 2
tb so we have to convert from mbr to gpt. I thought this would be
seamless, i.e add the disks in raid the go into windows disk manager
and convert.<br>
<br>
To my horror according to microsoft you have to delete the partition
then convert to gpt then you have to go through the hassle of restoring
your data. Is there any way of doing this without have to delete data
and restore?<br>
</p>
</blockquote>
<p wrap="">No, this is the only way to convert a disk to GPT.<br>
</p>
</blockquote>
<p>This is not, in fact, true.&nbsp;&nbsp; <a
href="http://homepage.ntlworld.com./jonathan.deboynepollard/FGA/converting-mbr-to-efi-partitioning.html">One
can convert MBR partition tables to EFI partition tables
non-destructively</a>.<br>
</p>
</body>
</html>

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