At first freenas supports this size.

On Thu, Oct 26, 2017 at 2:15 AM, Ritesh Raj Sarraf <r...@researchut.com>
wrote:

> Based on your comment that the target is a FreeNAS appliance, I'd first
> look into the target for errors.
>
> READ CAPACITY failure looks like a very generic, target side,
> unsupported feature on a very large device.
>
> Are you sure FreeNAS support devices that large ?
>
>
>
> On Sun, 2017-10-22 at 02:13 -0200, Elias Pereira wrote:
> > Hello,
> >
> > I created a 4T dataset to use in a debian server as hdd backup. I
> > have open-iscsi installed on debian and working correctly, but after
> > logging in (iscsiadm -m node --targetname...), I can not see the 4T
> > dataset (/dev/sdc).
> >
> > fdisk -l shows only sda and sdb, both of 1TB that I had already set
> > up some time ago.
> >
> > Debian dmesg shows:
> >
> > > > [ 5266.620369] sd 7:0:0:4: [sdc] READ CAPACITY(16) failed
> > > > [ 5266.620373] sd 7:0:0:4: [sdc]
> > > > [ 5266.620375] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
> > > > [ 5266.620378] sd 7:0:0:4: [sdc]
> > > > [ 5266.620380] Sense Key : Not Ready [current]
> > > > [ 5266.620383] sd 7:0:0:4: [sdc]
> > > > [ 5266.620386] Add. Sense: Logical unit not ready, manual
> > > > intervention required
> > > > [ 5266.621129] sd 7:0:0:4: [sdc] READ CAPACITY failed
> > > > [ 5266.621136] sd 7:0:0:4: [sdc]
> > > > [ 5266.621143] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
> > > > [ 5266.621147] sd 7:0:0:4: [sdc]
> > > > [ 5266.621150] Sense Key : Not Ready [current]
> > > > [ 5266.621154] sd 7:0:0:4: [sdc]
> > > > [ 5266.621158] Add. Sense: Logical unit not ready, manual
> > > > intervention required
> > > > [ 5266.622251] sd 7:0:0:4: [sdc] Write Protect is off
> > > > [ 5266.622256] sd 7:0:0:4: [sdc] Mode Sense: 73 00 10 08
> > > > [ 5266.622667] sd 7:0:0:4: [sdc] Write cache: enabled, read
> > > > cache: enabled, supports DPO and FUA
> > > > [ 5266.625062] sd 7:0:0:4: [sdc] READ CAPACITY(16) failed
> > > > [ 5266.625066] sd 7:0:0:4: [sdc]
> > > > [ 5266.625068] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
> > > > [ 5266.625070] sd 7:0:0:4: [sdc]
> > > > [ 5266.625072] Sense Key : Not Ready [current]
> > > > [ 5266.625076] sd 7:0:0:4: [sdc]
> > > > [ 5266.625078] Add. Sense: Logical unit not ready, manual
> > > > intervention required
> > > > [ 5266.625817] sd 7:0:0:4: [sdc] READ CAPACITY failed
> > > > [ 5266.625823] sd 7:0:0:4: [sdc]
> > > > [ 5266.625826] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
> > > > [ 5266.625830] sd 7:0:0:4: [sdc]
> > > > [ 5266.625832] Sense Key : Not Ready [current]
> > > > [ 5266.625837] sd 7:0:0:4: [sdc]
> > > > [ 5266.625842] Add. Sense: Logical unit not ready, manual
> > > > intervention required
> > > > [ 5266.627836] sd 7:0:0:4: [sdc] Attached SCSI disk
> >
> > Any idea about the problem?
> >
> --
> Given the large number of mailing lists I follow, I request you to CC
> me in replies for quicker response
>
>


-- 
Elias Pereira

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