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2026-05-07T03:51:05Z
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Kenneth: Created page with "=== partedUtil === NOTE: For ESXi/ESX 4.1 and later, use getptbl/setptbl This also works: cd /dev/disks partedUtil get eui.b42c42d3f4bb4ab0002471704404840c Quick Partitio..."
2014-11-04T17:36:19Z
<p>Created page with "=== partedUtil === NOTE: For ESXi/ESX 4.1 and later, use getptbl/setptbl This also works: cd /dev/disks partedUtil get eui.b42c42d3f4bb4ab0002471704404840c Quick Partitio..."</p>
<p><b>New page</b></p><div>=== partedUtil ===<br />
<br />
NOTE: For ESXi/ESX 4.1 and later, use getptbl/setptbl<br />
<br />
This also works:<br />
cd /dev/disks<br />
partedUtil get eui.b42c42d3f4bb4ab0002471704404840c<br />
<br />
Quick Partition:<br />
cd /dev/disks<br />
ls<br />
DEVICE=eui.b42c42d3f4bb4ab0002471704404840c<br />
<br />
echo "Device: $DEVICE"<br />
DEVICE_SECTORS=`partedUtil get $DEVICE | head | awk '{print $4}'`<br />
echo "Device Sectors: $DEVICE_SECTORS"<br />
echo "Clearing Partitions..."<br />
PARTITIONS=`partedUtil get $DEVICE | grep -v $DEVICE_SECTORS`<br />
echo "$PARTITIONS" | while IFS= read line ; do<br />
PARTITION=`echo $line | awk '{print $1}' | grep .`<br />
if [ $? -ne 0 ] ; then continue ; fi<br />
echo "Deleting partition: $PARTITION"<br />
partedUtil delete $DEVICE $PARTITION<br />
done<br />
NEW_SECTORS=`expr $DEVICE_SECTORS / 1024 \* 1024 - 1`<br />
partedUtil setptbl $DEVICE gpt "1 2048 $NEW_SECTORS AA31E02A400F11DB9590000C2911D1B8 0"<br />
<br />
# 251 does not appear to work:??<br />
partedUtil setptbl "/vmfs/devices/disks/naa.6b4e0c0dfafafafafafafafafafafafa" gpt "1 2048 800780287 251 0"<br />
<br />
Note: for the "800780287", take "floor( 800781251 / 1024 ) * 1024 - 1"<br />
<br />
<br />
One partition:<br />
# partedUtil get /vmfs/devices/disks/naa.6b4e0c0dfafafafafafafafafafafafa<br />
49846 255 63 800781251<br />
1 2048 800780287 0 0<br />
<br />
49846 255 63 800781251<br />
| | | |<br />
| | | \----- quantity of sectors (multiply by 512 for actual size)<br />
| | \-------- quantity of sectors per track<br />
| \------------ quantity of heads<br />
\------------------ quantity of cylinders<br />
<br />
1 2048 800780287 0 0<br />
| | | | |<br />
| | | | \--- attribute<br />
| | | \------- type<br />
| | \----------------- ending sector<br />
| \------------------------- starting sector<br />
\--------------------------- partition number<br />
<br />
# partedUtil getptbl /vmfs/devices/disks/naa.6b4e0c0dfafafafafafafafafafafafa<br />
gpt<br />
49846 255 63 800781251<br />
1 2048 800780287 AA31E02A400F11DB9590000C2911D1B8 vmfs 0<br />
<br />
Delete partition:<br />
partedUtil delete /vmfs/devices/disks/naa.6b4e0c0dfafafafafafafafafafafafa 1<br />
<br />
Create partition: (Note: VMFS = 0xFB (hex) = 251 (decimal) = AA31E02A400F11DB9590000C2911D1B8 (GUID))<br />
partedUtil setptbl "/vmfs/devices/disks/naa.6b4e0c0dfafafafafafafafafafafafa" gpt "1 2048 800780287 AA31E02A400F11DB9590000C2911D1B8 0"<br />
<br />
# 251 does not appear to work:??<br />
partedUtil setptbl "/vmfs/devices/disks/naa.6b4e0c0dfafafafafafafafafafafafa" gpt "1 2048 800780287 251 0"<br />
<br />
Note: for the "800780287", take "floor( 800781251 / 1024 ) * 1024 - 1"<br />
<br />
Show GUIDs:<br />
# partedUtil showGuids<br />
Partition Type GUID<br />
vmfs AA31E02A400F11DB9590000C2911D1B8<br />
vmkDiagnostic 9D27538040AD11DBBF97000C2911D1B8<br />
VMware Reserved 9198EFFC31C011DB8F78000C2911D1B8<br />
Basic Data EBD0A0A2B9E5443387C068B6B72699C7<br />
Linux Swap 0657FD6DA4AB43C484E50933C84B4F4F<br />
Linux Lvm E6D6D379F50744C2A23C238F2A3DF928<br />
Linux Raid A19D880F05FC4D3BA006743F0F84911E<br />
Efi System C12A7328F81F11D2BA4B00A0C93EC93B<br />
Microsoft Reserved E3C9E3160B5C4DB8817DF92DF00215AE<br />
Unused Entry 00000000000000000000000000000000<br />
<br />
To clear the GPT:<br />
partedUtil mklabel /vmfs/devices/disks/naa.6b4e0c0dfafafafafafafafafafafafa msdos<br />
<br />
References:<br />
* VMware KB: Using the partedUtil command line utility on ESXi/ESX - http://kb.vmware.com/kb/1036609<br />
* VMware KB: Manually creating a VMFS volume using vmkfstools -C - http://kb.vmware.com/kb/1009829<br />
* Error adding datastores to ESXi resolved using partedUtil | www.vExperienced.co.uk - http://www.vexperienced.co.uk/2012/01/02/error-adding-datastores-to-esxi-resolved-using-partedutil/<br />
* virtuallyGhetto: How to Format and Create VMFS5 Volume using the CLI in ESXi 5 - http://www.virtuallyghetto.com/2011/07/how-to-format-and-create-vmfs-volume.html</div>
Kenneth