Advice on allocating SAN storage to a virtual database server on VMware Post: 303027949

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Operating Systems Linux Red Hat Advice on allocating SAN storage to a virtual database server on VMware Post 303027949 by Peasant on Friday 28th of December 2018 12:37:11 PM

12-28-2018

Moderator

On VMWARE i would recommend using RDM, multiples of, in SAN environments.

Inside the guest, use ASM and minimize filesystem caching via kernel parameters, since you will not need it.
If filesystems are used, go XFS and limit the filesystem caching considering the size of SGA / PGA from Oracle side.
Check out the tuning docs regarding from Oracle side.

In either case, using ASM or XFS with volume manager, be sure to separate REDO, DATA and archive logs do use different RDMs.

On storage side, set new page assignment on REDO LUN to hit the fastest you have.
DATA then comes second disk performance wise, while archive logs can be slowest rust.

Use storage to provide snapshots, cloning and stuff.
One monster lun then datastore then guest database sure sounds like a nightmare from my perspective.

Hope that helps
Regards
Peasant.

Peasant

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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 XFree86 driver for VMware virtual video cards.

CONFIGURATION DETAILS

       Please refer to XF86Config(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:

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SEE ALSO

       XFree86(1), XF86Config(5), xf86config(1), Xserver(1), X(7)

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XFree86 							   Version 4.7.0							 VMWARE(4)