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June 19, 2014

VMWare vSphere ESXi v5.5 Datastore problems

Filed under: Linux — admin @ 2:41 pm

I found an error with vmware esxi. Message from windows client is: Call “HostStorageSystem.ComputeDiskPartitionInfo” for object “storageSystem” on ESXi “x.x.x.x” failed.

I have the issue because the disk that I was using had existing partitions (a Linux swap partition and a Linux MD5 RAID partition).  I had to manually delete the partitions logged in as root to my ESXi box, even though ESXi said it would do that for me.

Useful commands:

# esxcfg-scsidevs -l

this lists the disk devices, the device file will be /dev/disks/<NAME>

output looks like:

   Device Type: Direct-Access
   Size: 305245 MB
   Display Name: Local ATA Disk (t10.ATA_ST3320620AS_6QF1PZXB)
   Multipath Plugin: NMP
   Console Device: /vmfs/devices/disks/t10.ATA_____ST3320620AS_________________________________________6QF1PZXB
   Devfs Path: /vmfs/devices/disks/t10.ATA_____ST3320620AS_________________________________________6QF1PZXB
   Vendor: ATA       Model: ST3320620AS       Revis: 3.AA
   SCSI Level: 5  Is Pseudo: false Status: on
   Is RDM Capable: false Is Removable: false
   Is Local: true  Is SSD: false
   Other Names:
   VAAI Status: unknown


Easy solution:

Now can recreate partition table for that disk with a blank one:

for MSDOS run:

 ~ # partedUtil setptbl /dev/disks/naa.600508b1001c95a3d3a1f9455babd2d0 msdos


0 0 0 0

for HDD larger than 2TB use GPT:

~ # partedUtil setptbl /dev/disks/naa.600508b1001cfb4c4b4ed4e1eee52e25 gpt


0 0 0 0

Now you have a fresh drive. Try to add again in datastore.


Alternative solution:

# partedUtil get /dev/disks/t10.ATA_...

this shows the partitions on the device

output looks like:

38913 255 63 625142448

1 63 514079 130 128

2 514080 625137344 253 0

this disk has 2 partitions, numbers 1 and 2

# partedUtil delete /dev/disks/t10.ATA_... 2

deletes partition 2

# partedUtil delete /dev/disks/t10.ATA_... 1

deletes partition 1

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