Hi Motaz,
Sorry to hear that! Do you see the external drivers at all, with
diskpart or fdisk -l? If you can see them with diskpart, does it show GPT
label?
On Mon, Nov 26, 2018, 7:34 AM motaz.d...@mdc-berlin.de <
motaz.d...@mdc-berlin.de wrote:
> Dear ZFS developers,
>
> We are a scientific research center in Berlin, and we are using ZFS as
> file system for our servers.
>
> We need an urgent help in this issue:
>
> We have one DELL machine (CentOS 6) was running as File server:
>
> 1- It has 2 rear drives with RAID mirror, where the OS was installed.
> 2- It has 16 front drives (SEAGATE) 6TB.
> 3- It is attached to external DISK enclosure with 30 external drives * 6TB
> 4- It has a zpool (data18) contains 16 (front disks) + 30 (external disks).
>
> We reinstall a new OS (CentOS 7.4) on the rear drives but we found that
> the GPT partition table was lost for 30 external drives, then the zpool
> failed to import the dataset again
>
> $ zpool import
> pool: data18
> id: 18087394550162618068
> state: UNAVAIL
> status: One or more devices are missing from the system.
> action: The pool cannot be imported. Attach the missing
> devices and try again.
> see: http://zfsonlinux.org/msg/ZFS-8000-6X
> config:
>
> data18 UNAVAIL missing device
> raidz3-0 ONLINE
> mpathae1 ONLINE
> mpathaf1 ONLINE
> mpatham1 ONLINE
> mpathan1 ONLINE
> mpathao1 ONLINE
> mpathap1 ONLINE
> mpathaq1 ONLINE
> mpathar1 ONLINE
> mpathas1 ONLINE
> mpathat1 ONLINE
> mpathag1 ONLINE
> mpathah1 ONLINE
> mpathai1 ONLINE
> mpathaj1 ONLINE
> mpathak1 ONLINE
> spares
> sdp
>
> Additional devices are known to be part of this pool, though their
> exact configuration cannot be determined.
>
> Could you please advise us?!
>
> We appreciate any advice or help from you.
>
> Thanks in advance,
> Best regards,
> --------------------------------
> Motaz Diab
> HPC System Administrator
> Max-Delbrück-Center
> Robert Rössle Str. 10
> 13125 Berlin
> House 23 / Room 202
> Tel:+49-(0)30-9406 2586
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