SCSI3-Persistient for win2008 sql cluster

Question

Hello, I will be presenting DMX4 volumes as well as VMAX volumes to several win2008 sql cluster nodes. These will be striped meta vols (thin vols for VMAX). I beleive when creating vols for VMAX I donot need to check the SCSI3-Persist box (this may be the new default for vmax). For DMX metas I beleive I can create all the meta members with out the SCSI3-Persist flag but then set it with CLI on the meta heads.

Do I have this correct? Any other considerations.

Thanks.

dynamox · Answer

you need to set it for DMX4 and VMAX volumes set device 0864 attribute=scsi3_persist_reserv;

dynamox · Answer

ahh ..i remember now.&#xa0; On 76 it's set by default ..mine was on 74 and i had to set it manually.&#xa0; Sorry, memory laps

dynamox · Answer

you are not confusing with SC3 flag ?

SCSI Flags

{

Negotiate_Reset(N) : Disabled

Soft_Reset(S) : Disabled

Environ_Set(E) : Disabled

HP3000_Mode(B) : Disabled

Common_Serial_Number(C) : Enabled

Disable_Q_Reset_on_UA(D) : Disabled

Sunapee(SCL) : Disabled

Siemens(S) : Disabled

Sequent(SEQ) : Disabled

Avoid_Reset_Broadcast(ARB) : Disabled

Server_On_AS400(A4S) : Disabled

SCSI_3(SC3) : Enabled

brad12341 · Answer

Interesting, I was told it was set on the VMAX by default. What about the meta members?  Do they need the setting or just the meta heads. Thanks - Brad

brad12341 · Answer

ok this sounds good. I'm at 5876 on vmax so no need to set scsi3_persit_reserv at all.  On the dmx4 I will not set for meta members but will set for meta heads.

dynamox · Answer

just tried on my DMX4, yes ..build the meta first and then set the flag on the meta head.

VMAX

SCSI3-Persistient for win2008 sql cluster

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