What is Symcli?

EMC Solutions Enabler (SYMCLI) maintains configuration and status information about every device. inside the Symmetrix® units that are accessible from your host. This information is stored in a SYMAPI. database file that resides on the host. You can use SYMCLI commands to display in standard or XML.

What is a masking view?

EMC masking views (also known as LUN masking) enable one set of storage ports (taps) to present different strings of disks to different sets of initiators (channels). Most customers will not need to use this capability.

How do I list the RDF groups?

The EMC SYMCLI command “symcfg -sid list -rdfg all” can be used to list the defined SRDF “RDF” groups for a given EMC Symmetrix (DMX) array.

How do you create a masking view in Vmax?

Creating masking views Create the port-group (PG) from the Hosts > Port Groups menu. Once the masking view components are created (IGs, and PG), go to the masking view menu (Hosts > Masking Views) and create the masking views.

What does Symcfg Discover do?

The symcfg commands discovers or displays Symmetrix configuration information.

What is Symapi database?

SYMAPI is a library of commands that uses system calls (syscalls) that generate low-level I/O SCSI commands to a customer’s array.

What is masking view in PowerMax?

PowerMax systems use masking views to assign storage to a host. We recommend creating a single masking view for each SAP HANA system whether host (scale-up) or cluster (scale-out).

How do I remove initiator group from masking view?

1 Answer

1. delete masking view first, use -unmap of these device are not presented to any other servers. symaccess -sid 1234 delete view -name -unmap.
2. Delete initiator group.
3. Unbind devices from storage pool.
4. delete storage group.
5. delete host logins.

How do I access Symcli?

In the Search window, search for symcfg.exe under Program Files….

1. At the command line, change to the directory where Solutions Enabler is installed.
2. Enter the following at the command line: symcfg list. A list of all connected Symmetrix arrays displays.
3. Determine the microcode version, which is 5266 in this example.

How do you delete volume on Vmax?

The steps involved are:

1. Delete the ESX Host Masking View.
2. Remove ESX Boot volume (TDEV) from Storage group.
3. Delete the ESX Host Storage Group.
4. Mark the TDEV as not_ready.
5. Unmap the TDEV from the FA ports.
6. Unbind TDEV from Pool.
7. ( If) META Volume Dissolve.
8. Delete the Device.