Hi all,

I met a problem when I tried to create zpool on iscsi target.
I tried to create a zpool on two iscsi targets.
After I created and discovered the iscsi target 
600144F0C691A30D000057BE942F0002, I type format immediately to see as blow .

# format
AVAILABLE DISK SELECTIONS:
       0. c1t0d0 <VMware,-VMware Virtual S-1.0-40.00GB>
          /pci@0,0/pci15ad,1976@10/sd@0,0
       1. c1t1d0 <VMware,-VMware Virtual S-1.0-16.00GB>
          /pci@0,0/pci15ad,1976@10/sd@1,0
       2. c1t2d0 <VMware,-VMware Virtual S-1.0 cyl 2086 alt 2 hd 255 sec 63>
          /pci@0,0/pci15ad,1976@10/sd@2,0
       3. c2t600144F0C691A30D000057BE942F0001d0 <SUN-COMSTAR-1.0-5.00GB>
          /scsi_vhci/disk@g600144f0c691a30d000057be942f0001
       4. c2t600144F0C691A30D000057BE942F0002d0 <SUN-COMSTAR-1.0 cyl 2558 alt 2 
hd 128 sec 32>
          /scsi_vhci/disk@g600144f0c691a30d000057be942f0002

Then I try to create the zpool on above two iscsi targets immediately, but I 
got following failed reason.
# zpool create nzp1 mirror c2t600144F0C691A30D000057BE942F0002d0 
c2t600144F0C691A30D000057BE942F0001d0
cannot create 'nzp1': one or more devices is currently unavailable

Then I type format again, the information of the 
c2t600144F0C691A30D000057BE942F0002d0 changes to below.

# format
AVAILABLE DISK SELECTIONS:
       0. c1t0d0 <VMware,-VMware Virtual S-1.0-40.00GB>
          /pci@0,0/pci15ad,1976@10/sd@0,0
       1. c1t1d0 <VMware,-VMware Virtual S-1.0-16.00GB>
          /pci@0,0/pci15ad,1976@10/sd@1,0
       2. c1t2d0 <VMware,-VMware Virtual S-1.0 cyl 2086 alt 2 hd 255 sec 63>
          /pci@0,0/pci15ad,1976@10/sd@2,0
       3. c2t600144F0C691A30D000057BE942F0001d0 <SUN-COMSTAR-1.0-5.00GB>
          /scsi_vhci/disk@g600144f0c691a30d000057be942f0001
       4. c2t600144F0C691A30D000057BE942F0002d0 <SUN-COMSTAR-1.0-5.00GB>
          /scsi_vhci/disk@g600144f0c691a30d000057be942f0002

Then I create zpool again, it was crated successfully.
# zpool create nzp1  mirror c2t600144F0C691A30D000057BE942F0002d0 
c2t600144F0C691A30D000057BE942F0001d0

So my question is, what’s the meaning of <SUN-COMSTAR-1.0 cyl 2558 alt 2 hd 128 
sec 32> , and how long it will be changed to <SUN-COMSTAR-1.0-5.00GB>, and why?
Thank you very much.

B.R.
Junqin Zhang



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