Advice on allocating SAN storage to a virtual database server on VMware Post: 303027922

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Operating Systems Linux Red Hat Advice on allocating SAN storage to a virtual database server on VMware Post 303027922 by gull04 on Friday 28th of December 2018 09:00:18 AM

12-28-2018

Registered User

Hi dkmartin,

From the way you describe the layout, I'm going to assume that you're running something like SVC for the management of the LUN's. Are the AIX environment LPAR's or are they standalone machines, or something else of course.

Managing LUN's accross six individual SAN devices is very costly in resource, along with the planning headache when it comes to new system builds - well inless you have plenty of disk. I currently have two devices - a 1.5Pb VMax and a 250Gb VNX and that provides enough confusion.

Where ver possible our approach is to go for a single LUN, but we do have quite a number of systems with large numbers of luns (some are in excess of 200) on AIX, Solaris and RHEL. We do have some very old versions on VMware, but they are slowly being decommissioned.

So in reality I would if time permits look at load and I/O on a system by system basis, where the results indicate there would be a benefit - replicate the existing model. If the results show it would be OK, go for the single LUN, if you're using Metro or Global mirror you may have to delve a bit deeper and look at inter system bandwidth.

Regards

Gull04

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vmware

VMWARE(4)						     Kernel Interfaces Manual							 VMWARE(4)

NAME

       vmware - VMware SVGA video driver

SYNOPSIS

       Section "Device"
	 Identifier "devname"
	 Driver "vmware"
	 ...
       EndSection

DESCRIPTION

       vmware is an Xorg driver for VMware virtual video cards.

CONFIGURATION DETAILS

       Please refer to xorg.conf(5) for general configuration details.	This section only covers configuration details specific to this driver.

       The driver auto-detects the version of any virtual VMware SVGA adapter.

       The following driver Options are supported:

       Option "HWCursor" "boolean"
	      Enable or disable the HW cursor.	Default: off.

       Option "Xinerama" "boolean"
	      Disable or enable Xinerama support. Default: xinerama is enabled if the hardware supports it.

       Option "StaticXinerama" "string"
	      Provide  a  static  xinerama  geometry  that  will be active at server startup and will not be overridden at runtime.  The format is
	      "Width1xHeight1+Xoffset1+Yoffset1;Width2xHeight2+Xoffset2+Yoffset2" and so on. Negative offsets are not supported.

SEE ALSO

       Xorg(1), xorg.conf(5), Xserver(1), X(7)

AUTHORS

       Copyright (c) 1999-2007 VMware, Inc.

X Version 11						     xf86-video-vmware 10.16.9							 VMWARE(4)