Hi, I have a copule of iscsi disks that get mounted on an illumos storage periodically, used only for backup as zfs incremental send, then unmounted, using zpool import/export. One of them misteriosly don't show the backup zpool anymore (they're iscsi resources on the same backup nas). At first, I thought the resource may have been taken by some other system and formatted another way. Then I wanted to use the "disktype" tool I had on that system, to analyze the content of the disks. Here are the results: WORKING DEVICE: Block device, size 1.465 TiB (1610612736000 bytes) DOS/MBR partition map Partition 1: 1.465 TiB (1610612735488 bytes, 3145727999 sectors from 1) Type 0xEE (EFI GPT protective) GPT partition map, 9 entries Disk size 1.465 TiB (1610612736000 bytes, 3145728000 sectors) Disk GUID 157CA342-12E9-6111-E5D7-E8784CD2FA4A Partition 1: 1.465 TiB (1610604199424 bytes, 3145711327 sectors from 256) Type Unknown (GUID C38C896A-D21D-B211-99A6-080020736631) Partition Name "zfs" Partition GUID BBE84F78-B63A-EA60-D623-A19533F4C98B Partition 2: unused Partition 9: 8 MiB (8388608 bytes, 16384 sectors from 3145711583) Type Unknown (GUID 3B5A946A-D21D-B211-99A6-080020736631) Partition Name "" Partition GUID 5E6E229C-39D3-ECAC-9022-A239B17B7DA6 NOT WORKING DEVICE: Block device, size 2 TiB (2199023255552 bytes) GPT partition map, 9 entries Disk size 2 TiB (2199023255552 bytes, 4294967296 sectors) Disk GUID 7282E426-2DA7-EAF2-8D60-D7A8B116FA77 Partition 1: 2.000 TiB (2199014718976 bytes, 4294950623 sectors from 256) Type Unknown (GUID C38C896A-D21D-B211-99A6-080020736631) Partition Name "zfs" Partition GUID 41A3E8A7-F7A9-C3D2-A0FB-BA1BFF4D1C60 Partition 2: unused Partition 9: 8 MiB (8388608 bytes, 16384 sectors from 4294950879) Type Unknown (GUID 3B5A946A-D21D-B211-99A6-080020736631) Partition Name "" Partition GUID 9E521857-305B-E6D8-B6D8-FA5620A54F69 So the zfs pool seems to be in place on both, but the working device has some more entries in the output (DOS/MBR and EFI). Any idea why the pool may be not readable anymore? Is the difference a reason for it? Thanks for any help Gabriele.
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