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Is Mandriva 2010.1 ready for GPT partition tables?

#1 User is offline   boatman9 

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Posted 10 December 2010 - 03:38 AM

After reading "Make the most of large drives with GPT and Linux" I would like to try GPT partitioning. Can Mandriva 2010.1 recognize and boot from GPT partitions? Is there any Mandriva rpm which provides GPT fdisk (consisting of the gdisk and sgdisk programs)?
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#2 User is offline   ianw1974 

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Posted 10 December 2010 - 11:19 AM

It might not just be that, depends if grub is also patched to deal with it. Interesting article though, thanks for that, gets me thinking :)/>
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#3 User is offline   ianw1974 

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Posted 10 December 2010 - 01:15 PM

This is useful:

http://en.wikipedia....Partition_Table
Ian Walker

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Posted Image1 x systems installed with Debian (squeeze) x86_64 (Xen Server)
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#4 User is offline   boatman9 

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Posted 12 December 2010 - 09:52 PM

According to the GRUB project home page: "GRUB 2 has replaced what was formerly known as GRUB (i.e. version 0.9x), which has, in turn, become GRUB Legacy".

Apparently GRUB 2 can boot from GPT partitions. My Mandriva 2010.1 install uses GRUB 0.97 also known as GRUB Legacy. There is a GRUB 2 rpm in the repository, I don't know if Mandriva's installer will use GRUB 2 when installing to a GPT partitioned disk.
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#5 User is offline   ianw1974 

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Posted 13 December 2010 - 10:40 AM

You can always try it and see if you have a spare machine for testing on moving to GPT partitions. However, from what I understand and reading, GPT partitions are only going to be useful for 2.2 TB or higher. If you don't have disks larger than this, then I don't know what benefits it will give you other than testing the ability for installing and using GPT should you ever have disks that large.

My largest desktop at home has 4 x 500GB disks, so there's no benefit there for me to change other than proof of concept.
Ian Walker

Light travels faster than sound. This is why some people appear bright until you hear them speak.........

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Posted Image1 x systems installed with Ubuntu Lucid (10.04 LTS) x86_64 (Laptop)
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#6 User is offline   boatman9 

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Posted 16 December 2010 - 07:34 PM

I want to use GPT partitioning for two benefits; firstly there's no distinction between primary and extended partitions, and also because a backup copy of the partition table is placed at the end of the disk for use if the first partition table is lost.

After converting my new laptop to GPT partitioning it didn't boot, so I had to restore the MBR partitioning.
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#7 User is offline   ianw1974 

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Posted 16 December 2010 - 08:38 PM

I can see where you're coming from. I haven't read, so I don't know if GPT allows more than the 15 partitions that is possible with Primary/Logical setup. In which case that would offer a benefit.

However, in the event that you cannot, this is not a problem either. I generally have a system with three partitions:

1. swap
2. /boot
3. LVM

then the LVM does the rest of the system. No limits on the amount of partitions, since you can have as many as your disk space allows.
Ian Walker

Light travels faster than sound. This is why some people appear bright until you hear them speak.........

Posted Image1 x systems installed with Debian (squeeze) x86_64 (Xen Server)
Posted Image1 x systems installed with Ubuntu Lucid (10.04 LTS) x86_64 (Laptop)
Posted Image1 x systems installed with Gentoo x86_64 (Desktop)

My Linux Solutions | Linux Systems Limited
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