Re: iSCSI target

[Chavdar Ivanov <ci4ic4%gmail.com@localhost>]

On Fri, 21 Feb 2020 at 13:20, BERTRAND Joël <joel.bertrand%systella.fr@localhost> wrote:
>
> Chavdar Ivanov a écrit :
> > On Fri, 21 Feb 2020 at 12:41, BERTRAND Joël <joel.bertrand%systella.fr@localhost> wrote:
> >>
> >> With
> >>
> >> # extent    file or device      start       length
> >> extent0     /dev/rwd0           0           32GB
> >>
> >> # target    flags   storage     netmask
> >> target0     rw      extent0     192.168.10.103/32
> >>
> >> iscsid seems to run as expected. But if I want to export a second
> >> target, how can I modify targets file ? I suppose I have to add
> >>
> >> extent1     /dev/rwd0            32GB+1sector 32GB
> >
> > You export raw partition device; if you want to have many targets from
> > one physical disk, you split the disk in any way you can - fdisk,
> > gpt/dkctl or ZFS zvols and export the raw varieties of those.
>
>         I have tried to export /dev/rwd0e to only export a slice (created by
> disklabel). It doesn't work (and initiator is unable to use target). I
> haven't tested with a partition created by fdisk.

If you have a good reason not to use zfs and zvols, then I'd suggest
gpt slices, wich definitely work.

Zvols are best, IMHO, as you can snapshot them and send/receive them
elsewhere for backup.



>
>         JKB



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