https://community.hpe.com/t5/operating-system-hp-ux/quorum/m-p/2474979#M654482 Hi:<BR /><BR />"quorum" is simply the requirement for 51% or more of the disks in a volume group to be present in order for volume group activation.<BR /><BR />...JRF... Mon, 18 Dec 2000 16:01:00 GMT James R. Ferguson 2000-12-18T16:01:00Z https://community.hpe.com/t5/operating-system-hp-ux/quorum/m-p/2474978#M654481 What does "quorum" means in the command vgchange Mon, 18 Dec 2000 15:37:44 GMT https://community.hpe.com/t5/operating-system-hp-ux/quorum/m-p/2474978#M654481 gruffy 2000-12-18T15:37:44Z https://community.hpe.com/t5/operating-system-hp-ux/quorum/m-p/2474979#M654482 Hi:<BR /><BR />"quorum" is simply the requirement for 51% or more of the disks in a volume group to be present in order for volume group activation.<BR /><BR />...JRF... Mon, 18 Dec 2000 16:01:00 GMT https://community.hpe.com/t5/operating-system-hp-ux/quorum/m-p/2474979#M654482 James R. Ferguson 2000-12-18T16:01:00Z https://community.hpe.com/t5/operating-system-hp-ux/quorum/m-p/2474980#M654483 when mirroring quorum is used to ensure that at least half the physical disks are not missing. if they are then the system will not be able to be activated.if this fails during run time a message will appear on the console<BR /><BR />vgchange activates volume groups and quorum is checked when those are activated to make sure you have at least 1/2 those disks working. <BR /><BR />hope this helps <BR /><BR />Jon <BR /><BR /> Mon, 18 Dec 2000 16:03:36 GMT https://community.hpe.com/t5/operating-system-hp-ux/quorum/m-p/2474980#M654483 jherring 2000-12-18T16:03:36Z