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stassen
stassen
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I just formatted a 3TB linux partition and I've something that I would like to ask...

In a previous formatting cycle I was able to achieve a harddisk with the following layout and /dev/sdb1 via fdisk -l

Disk /dev/sdb: 4000.8 GB, 4000787030016 bytes
255 heads, 63 sectors/track, 486401 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk identifier: 0x00000000

Device Boot Start End Blocks Id System
/dev/sdb1 1 267350 2147483647+ ee GPT

Today with parted I've created a disk of 3.0TB via "parted /dev/sdb" and which is formatted ext3 and is mounted via /dev/sdb1 on /<whatever>

Using fdisk -l now I see

Disk label type: GPT
Disk Identifier: <something>

Partition start, partition end, size, Type, name

That's it !

I formatted /dev/sdb1

Question: What is the reason that I don't see /dev/sdb1 while using fdisk -l ?
Monday, June 04 2018, 06:43 PM
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  • Accepted Answer

    Tuesday, June 05 2018, 10:24 AM - #Permalink
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    I tried looking at this yesterday. Some references say later versions of fdisk support GPT, but others say just use parted. I couldn't get to any real conclusion and none of my disks are > 2TB so they are all MBR. I think ClearOS 6x is in the odd position of not being able to install to a GPT disk but it can read one. ClearOS 7.x can install to GPT as well.
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  • Accepted Answer

    stassen
    stassen
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    Tuesday, June 05 2018, 08:32 AM - #Permalink
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    Ok...

    I seem to see a difference in output..

    Parted was done in Clearos 7 while my history was read from a running Clearos 6 server. I copied the content anyway and while rebooting the main server (on ClearOs 6), the disk showed its partition as /dev/sdb1.....

    A bit lost what is happening (and would like to know), but it works on the old fstab entries. So problem does not occure in ClearOS
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