Red Hat NETSCAPE MANAGEMENT SYSTEM 4.5 User Manual download pdf (Page 200)

Disks

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number specifies the partition. If the partition number is zero, the whole disk is

implied; otherwise, the indicated partition is specified.

<device> may also be a VMFS file system name, as set in the management interface

or with the vmkfstools --setfsname command.

<file> is the name of a file stored in the file system on the specified device.

Options

The long and short forms of options, shown together in this list, are equivalent.

-C --createfs

-b --blocksize #[mMkK]

-n --numfiles #

Create a VMFS file system on the specified SCSI device. The file block size can be

specified via the -b option. The block size must be at least 1MB and must be a power

of 2. The maximum number of files in the file system can be specified with the -n

option. The default maximum is 256 files.

-N --consolename

Print out the name of a Linux device that represents the specified SCSI device on the

console operating system. The resulting device name can be used in accessing the

SCSI device via commands such as fdisk on the console operating system. The

association between the Linux device name and the specified SCSI device lasts only

until ESX Server is unloaded or the machine is rebooted.

-F --config [private|public|shared|writable]

Set the VMFS file system on the specified SCSI device to the specified mode.

The default mode of a VMFS file system is private, which means the VMFS is accessed

by only a single ESX Server computer.

A VMFS file system that may be accessed by multiple ESX Server computers (for

example, a VMFS on a disk on a storage area network) should have its mode set to

public. VMFS file systems set to public mode will have automatic locking to ensure

that they are not accessed by more than one ESX Server computer simultaneously.

A VMFS file system that will be used for failover-based clustering should have its mode

set to shared. This mode allows virtual machines on multiple servers to access the

same VMFS file simultaneously. However, when the virtual machines access a file on a

shared VMFS, the file system metadata will become read-only. That is, no virtual

machine or user command will be allowed to create, delete or change the attributes

of a file. When virtual machines are no longer accessing the VMFS file system, the file

system metadata can be made writable again with the command vmkfstools --

config writable.

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Red Hat NETSCAPE MANAGEMENT SYSTEM 4.5 User Manual Page 200