script to gdisk to create a new partition

Question

I'm trying to script to gdisk to create a new partition of LVM type (for pvcreate) so I typed this but I does not work :

diskModelName=yourDiskModel
diskSerialNumber=yourDiskSerialNumber
lvmPartitionNumber=2
cat<<-EOF | sudo gdisk $disk
p
n


8E00
c
$lvmPartitionNumber
$diskModelName-$diskSerialNumber
p
w
y
EOF

Can you help me ?

I advise using sgdisk. Is is made for automated execution. – Hermann Nov 01 '20 at 20:10 — Hermann, Nov 01 '20 at 20:10

score 2 · Accepted Answer · edited Nov 01 '20 at 20:36

2

You can use sgdisk (it should be available from the same package as gdisk and it's the same tool just non-interactive). For your case you should be able to use something similar to

sgdisk -n $lvmPartitionNumber:0:0 -t $lvmPartitionNumber:8E $disk

(the 0:0 part is start and end of the partition and zero is for automatic).

edited Nov 01 '20 at 20:36

SebMa

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answered Nov 01 '20 at 20:12

Vojtech Trefny

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Great, exactly what I needed, thanks a lot :) ! – SebMa Nov 01 '20 at 20:18

script to gdisk to create a new partition

1 Answers1