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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LEARN ABOUT DEBIAN

vmmemctl

VMMEMCTL(9)							   Open VM Tools						       VMMEMCTL(9)

NAME

       vmmemctl - vmware kernel module

SYNOPSIS

       modprobe vmmemctl

DESCRIPTION

       This  is  a  kernel module. It isn't backed by a virtual hardware device, so it must be loaded manually. It has no dependencies, nor do any
       Tools components depend on it, so it can be loaded at any time during the boot process. Once loaded, no further action is needed.

OPTIONS

       vmmemctl has no options.

SEE ALSO

       vmware-checkvm(1)
       vmware-hgfsclient(1)
       vmware-toolbox(1)
       vmware-toolbox-cmd(1)
       vmware-user(1)
       vmware-xferlogs(1)
       libguestlib(3)
       libvmtools(3)
       vmware-guestd(8)
       vmware-hgfsmounter(8)
       vmware-user-suid-wrapper(8)
       vmblock(9)
       vmci(9)
       vmhgfs(9)
       vmsock(9)
       vmsync(9)
       vmxnet(9)
       vmxnet3(9)

HOMEPAGE

       More information about vmmemctl and the Open VM Tools can be found at <http://open-vm-tools.sourceforge.net/>.

AUTHOR

       Open VM Tools were written by VMware, Inc. <http://www.vmware.com/>.

       This manual page was put together from homepage materials by Daniel  Baumann  <daniel.baumann@progress-technologies.net>,  for  the  Debian
       project (but may be used by others).

2010.03.20-243334						    2010-04-08							       VMMEMCTL(9)