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I have a FreeBSD-initialised 8-disk vdev, all 10TB WD RED, now on a server with OmniOS r151026, connected via LSI 3008 HBA.

At POST, the card shows all disks with right geometry (I can post picture if necessary).

But format reports a wrong (~ 2TB) geometry:

format Searching for disks...done c0t5000CCA26BD0CAFAd0: configured with capacity of 2047.71GB c0t5000CCA26BD5AAC5d0: configured with capacity of 2047.71GB c0t5000CCA26BD6B9CCd0: configured with capacity of 2047.71GB c0t5000CCA26BD6C6D4d0: configured with capacity of 2047.71GB c0t5000CCA26BD6E59Cd0: configured with capacity of 2047.71GB c0t5000CCA26BD59F6Dd0: configured with capacity of 2047.71GB c0t5000CCA26BD116ACd0: configured with capacity of 2047.71GB c0t5000CCA26BD6960Ed0: configured with capacity of 2047.71GB

format should instead report something like (only first drive listed):

AVAILABLE DISK SELECTIONS: 0. c0t5000CCA26BD0CAFAd0 <ATA-WDC WD100EFAX-68-0A83-9.10TB> /scsi_vhci/disk@g5000cca26bd0cafa

diskinfo correctly reports size (showing only first disk):

root@omniosce:~# diskinfo -p TYPE DISK VID PID SIZE RMV SSD SCSI c0t5000CCA26BD0CAFAd0 ATA WDC WD100EFAX-68 10000831348736 no no

How to force OmniOS (illumos) "format" properly recognize disk geometry?

Thank you in advance.

Edit 2018-06-02: Added disk kind and expected result (thanks to @andrew-henle)

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    How about telling us what the disks are, and what you think should be reported? Commented Jun 1, 2018 at 23:29
  • Thank you, I have edited question and added details, also diskinfo output. Commented Jun 2, 2018 at 7:50

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Andy Fiddaman, one of OmniOS maintainers, suggested to use zpool labelclear.

That worked perfectly and allowed format to properly recognise the disk geometry again.

Thanks to Andy Fiddaman, and thanks to all illumos' developers and maintainers for such an outstanding OS.

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