[pve-devel] [PATCH storage 0/2] Add SCST provider to ZFS over iSCSI

Dietmar Maurer dietmar at proxmox.com
Fri May 4 09:58:24 CEST 2018


> Am 03.05.2018 um 18:34 schrieb Dietmar Maurer:
> >> dkms packages run fine, and scst is imho the most prferrable target
> >> available.
> > DKMS is a PITA
> >
> > and LIO drivers are include by default.
> >
> >> In special when it comes to ease of management via sysfs and support for
> >> rdma transports like iser and srp.
> >>
> >> Also, the target not necessary runs on the PVE host itself but could be
> >> either virualized or on a separate host / san.
> > Yes, so why not use the iSCSI target included in any Linux distribution?
> Is there a need limit users in which target to use (or not not) for 
> their shared Storage ?

not really

> Adding SCST is not going to end up with 10 more targets to support, as 
> there simply are not so many iscsi target implementations available.
> 
> PVE supports Comstar and istgt, where also no Linux packages are available.
> 
> Technical aspects/personal preference aside, SCST is not an uncommon 
> target, so it's worth to at least consider adding it.
> There is also ESOS (http://www.esos-project.com/) what is basically SCST 
> (and ZFS if built with it) that is very stable and really painless to 
> setup and maintain.

I would simply prefer LIO, because of above advantages.



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