[zfs-discuss] Problem with creating zpool - error: "cannot label 'sdX': failed to detect device partition on '/dev/sdX1': 2

adrian.karczynski at gmail.com adrian.karczynski at gmail.com
Tue Sep 10 06:52:20 EDT 2013

I am using ZFS version 0.6.1 and I have problem with creating a new zpool. 
I have destroyed old zpool and I want to create new one using following 
*# zpool create Zpool1 mirror sdf sdg mirror sdh sdi mirror sdj sdk mirror 
sdl sdm mirror sdn sdo mirror sdp sdq mirror sdr sds mirror sdt sdu mirror 
sdw sdv mirror sdx sdy log mirror sdz sdaa cache sdab sdac spare sdad sdae 
sdaf sdag -f -O dedup=on -O compression=on *

But I get the following message:
*cannot label 'sdh': failed to detect device partitions on '/dev/sdh1': 2*

# fdisk -l
Disk /dev/sdh: 6442 MB, 6442450944 bytes
256 heads, 63 sectors/track, 780 cylinders
Units = cylinders of 16128 * 512 = 8257536 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sdh1               1         781     6291455+  ee  EFI GPT
Partition 1 has different physical/logical beginnings (non-Linux?):
     phys=(1023, 255, 63) logical=(0, 0, 2)
Partition 1 has different physical/logical endings:
     phys=(1023, 255, 63) logical=(780, 48, 48)

WARNING: GPT (GUID Partition Table) detected on '/dev/sdi'! The util fdisk 
doesn't support GPT. Use GNU Parted.

Do you know what can cause this problem ? 

Best Regards.
Adrian Karczynski

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