[OmniOS-discuss] Ang: Ang: Ang: Ang: Re: LU read only and r/w for different hosts?

[Johan Kragsterman]

-----"OmniOS-discuss" <omnios-discuss-bounces at lists.omniti.com> skrev: -----
Till: Richard Elling <richard.elling at richardelling.com>
Från: Johan Kragsterman 
Sänt av: "OmniOS-discuss" 
Datum: 2015-01-02 18:53
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Ärende: [OmniOS-discuss] Ang: Ang: Ang: Re: LU read only and r/w for	different	hosts?

Hmmm again....a lot of hmmm's here today...


Been reading some more, and it looks like it is possible to reserve at LU level. I found a guy that uses an sg-persist command on solaris 11.1, but I don't find it in OmniOS. I did a pkg search, but perhaps I don't know what to search for...?




Me again...


Seems to be a good possibility that this can be configured using the sg3_utils?

I've seen the reference to that before here on list, but I don't find any pkg...

Hint's???


Rgrds Johan





-----"OmniOS-discuss" <omnios-discuss-bounces at lists.omniti.com> skrev: -----
Till: Richard Elling <richard.elling at richardelling.com>
Från: Johan Kragsterman 
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Datum: 2015-01-02 17:53
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Ärende: [OmniOS-discuss] Ang: Ang: Re: LU read only and r/w for different	hosts?


-----"OmniOS-discuss" <omnios-discuss-bounces at lists.omniti.com> skrev: -----
Till: Richard Elling <richard.elling at richardelling.com>
Från: Johan Kragsterman 
Sänt av: "OmniOS-discuss" 
Datum: 2015-01-02 17:38
Kopia: "omnios-discuss at lists.omniti.com" <omnios-discuss at lists.omniti.com>
Ärende: [OmniOS-discuss] Ang: Re: LU read only and r/w for different hosts?


-----Richard Elling <richard.elling at richardelling.com> skrev: -----
Till: Johan Kragsterman <johan.kragsterman at capvert.se>
Från: Richard Elling <richard.elling at richardelling.com>
Datum: 2015-01-02 16:03
Kopia: "omnios-discuss at lists.omniti.com" <omnios-discuss at lists.omniti.com>
Ärende: Re: [OmniOS-discuss] LU read only and r/w for different hosts?

It has been a while since using comstar, but the SCSI protocol has
WERO group reservations. Would that suffice?

 -- richard



Yeah, I believe so....question is how I can manage it? It doesn't seem to be a part of stmfadm, so I need to do it elsewhere, if possible...so you, or someone else, got some ideas...?


Rgrds Johan



Hmm, been reading up a little on the PR and WERO....it seems to be registering on DEVICE level, not on LU level, huh? Or do I misinterpret something here...?






> On Jan 2, 2015, at 12:18 AM, Johan Kragsterman <johan.kragsterman at capvert.se> wrote:
> 
> Hi!
> 
> 
> I've been thinking about this for a while, and haven't figured out a solution.
> 
> I'd like to have a possibility to set LU read only for some hosts, but r/w to others, for the same LU. There are possibilities to set read only, or r/w, on a LU, but that property is valid for all hosts, it is not(afaik) possible to choose which hosts are going to get read only, and which are going to get r/w.
> 
> This is an access controll operation, and as such, imho, should be controlled by comstar. It is the responsability of the view to handle this, but I haven't seen this anywhere in the comstar/stmf configuration posibilities.
> 
> Are there someone on this list that can shed some light on this?
> 
> 
> Best regards from/Med vänliga hälsningar från
> 
> Johan Kragsterman
> 
> Capvert
> 
> _______________________________________________
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