Best practices - addition RDM to the second node (W2K3) MCSC Machine virtual nodes on the physical host computers

Addition of RDM to the second node (W2K3) MCSC Machine virtual nodes on the physical host computers

Unable to find another thread on this

When you add RAW disks to the second node in Virtual Machines across physical hosts in the Cluster / Cluster across boxes,.

VMware said shared point of the storage drives in the same location as the first node sharing storage disc *.

-Select use an existing virtual drive...

-In the drive path, navigate to the location of the disk (quorum) specified for the first node

-Select the same virtual device node you chose for the first virtual machine shared storage disks, IE SCSI (1:0)...

In other words to add the RDM to mscs-node2, navigate to/vmfs/volumes/lun1/mscs-node1 / mscs - node1_2.vmdk (mscs-node1_2 - rdmp.vmdk)

For years we have directly added the ROW the second node specifying RDM disk not existing does not, in general we do directly from the host, not the vCenter, it seems to work fine.

For what is the safest way, the official method can cause all sorts of problems if you need to cancel the registration of the ROW on the first node (here's where I found no official documentation).

Delete you or keep the file descriptor? We tried to keep him, but ended up with several mappings to la.vmdk/rdmp.vmdk, so now, this system has disk2_.vmdk / disk2_ - rdmp.vmdk and disk4_.vmdk / disk4_ - rdmp.vmdk pointing to the same RAW.

What really bothers me is safety, these are very important boxes, I prefer to continue to have the VMDK and rdmp.vmdk in separate data warehouses, and do not have this dependence on the head node

Your comments please, we are viewing the store only setup of MSCS clusters with lanes separated from RDM and are there risks associated with this?

* Ref: "Setup for Microsoft Cluster Service - 4.1 and Failover Clustering".

I realize there was an error in my logic

When you work with the main node, if there is a requirement to unmap drives ROUGH (move to another cluster vmware, cloning the system etc.)

Take note of the location of all the rdmp.vmdks

Remove each rdm disk without deleting

To add

Add "Use an existing virtual disk to disk" (yes I know its bad, but once you create the host calling now think its virtual)

Navigate to the mapping of existing raw device, appearing like a vmdk * and add using the former location of scsi

Graphic interface hides the descriptor

A virtual disk has a vmdk and a flat.vmdk

A CRUDE disk has a vmdk and a rdmp.vmdk (the dish is replaced by vocation)

A suggestion of one of my companions is to locate the al the ROW in a single data store small, visibility of virtual machines with raw disk went like this

Tags: VMware

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