Oracle DB on SAN PS6000XV

Similar Questions

• Oracle Rac on San storage

  Hello

  We are at the heart of the definition of a process for installation of 2 node to a san storage device.  Oracle 11.2 on Rhel 5.

  What is the process of implementation recommended for shared storage.

  We want the mirroring to stay at the storage level.

  * NFS without ASM

  * NFS with ASM

  * LUN with ASM

  * LUN without ASM

  All other as appropriate.

  I went through the documentation, it gives options, however, does not tell best practices.

  Thanks in advance everybody and apologize if there is already a post about this and I repeat it.

  The only choice, I will focus on what is LUN (fiber or Infiniband fabric layer) with the ASM.

  And no ASMLib. (optional, not required)

  Set the devices property LUN via udev. Configure logical device for ASM using MPIO.

  I'm going to call any other method, below.

• Oracle DB on SAN

  Hi all

  We want to install our Oracle (11.2.0.4) database on SAN disks.

  Would be very different architecture?

  What are the points of concern?

  Thank you.

  Right, well is not very different. Two cases, you see the LUNS as "drive" - you're going to use ASM or file system? Ideally, you want to disable the collection for these readers, I think that this is part of the installation in guide.

  The only concern is the MPIO (Multipath) for access to the LUNS and make sure that it will not fail if one HBA fails. Also MPIO takes care that you have all the paths to the storage in a single LUN and not two or four drivers but again that should be done by the SA for sure.

• Attend Oracle OpenWorld in San Francisco?

  We're heading to Oracle OpenWorld too so don't forget to come see us because we will have something for you!

  See you there

  yxes2013 wrote:

  We're heading to Oracle OpenWorld too so don't forget to come see us because we will have something for you!

  See you there

  You can say more than 'we' or 'us' because there are a lot of people to the officer of the WATCH and it won't be easy to find someone just by the description of '' We. ''

  Aman...

• How to set up the single instance of data of high availability and disaster tolerance

  Hi Experts,

  I have unique database and instance need to configure for high availability and disaster tolerance

  What are the DR options available for synchronization of database at a remote site with a delay of 5 to 10 minutes.

  Application connects to the local site and DR site should be the remote site.

  1 oracle FailSafe with SAN?

  2. What is the security integrated on linux centos/oel solution?

  3. If the storage is on the San (for example) then is it possible to set up a shell script

  which detects if the source database is down for 5 minutes, ride the SAN stored the files of database on the remote computer and

  change the ip in the application, so it will never connect to the source ip address

  Thank you and best regards,

  IVW

  Hello

  Rupture can occur in any level

  1 oracle FailSafe with SAN?

  --> Do check if you have failure in storage, your security will do nothing to bring back data

  --> Seen failsafe, will be only the insurance when MS cluster moving the disc and services to different node, configured services starts.

  2. What is the security integrated on linux centos/oel solution?

  --> Under linux, you need to set the scripts to run, and you can check the option on the cluster OS

  3. If the storage is on the San (for example) then it is possible to configure a shell script that detects if data source is down for 5 minutes, mount SAN stored the files of database on the remote computer and

  change the ip in the application, so it will never connect to the source ip address

  --> This you will get a cluster of BONES...

  Points to note:

  ================

  --> If there is power failure sudden, we can expect there may be lost writing in your data block, which will bring the inconsistency to your data file and redo

  --> Here, there is problem with your drive?

  --> If there is problem with your complete domain controller (how will you mount FS to a remote server?)

  Note what we are discussing was HA and you try to keep an idle server all the time (you have a server with more RAM & CPU)

  Why you can't check an option of CARS, can also have the cluster extension...

  And to avoid the loss of data and to meet the RPO and RTO in all time (same DC came down, storage failure, server crash), you may need to use Oracle data guard...

  Ask questions if you have

  Thank you

• Customize the product Menu Item Build

  Hello

  So I try to change display it products on an element to generate Menu, but I still find myself with my context of IbaseSpec is null. As in the example below, my plugin returns my custom ERROR null error message.  I used a very similar code before and did not have this problem.  Y at - it something I'm doing wrong here?

  I've updated the CustomPluginExtensions.XML file as follows:

  <Plugin name="MenuItemProductIdentityPlugin" ignoreInheritFromPluginName="true" FactoryURL="Class:ReferencePlugins.FormatPlugins.GSMSpecNumberFormatPluginExtensionFactory,AddStuffToMenuItemBuild"/>
  

  Then my custom plugin looks like this:

  using System;
  using Xeno.Data;
  using Xeno.Prodika.GSMLib.Formulation.DomainModel;
  using Xeno.Prodika.PluginExtensions.Context;
  using Xeno.Prodika.PluginExtensions.Plugins;
  namespace ReferencePlugins.FormatPlugins
  {
      public class GSMSpecNumberFormatPluginExtensionFactory : IFormatPluginExtensionFactory
      {
          public IFormatPluginExtension Create()
          {
              return new GSMSpecNumberFormatPluginExtension();
          }
      }
      internal class GSMSpecNumberFormatPluginExtension : IFormatPluginUIExtension, IFormatPluginPrintingExtension
      {
          private const string textUrlTemplate = "<a href=\"#\" OnClick=\"javascript:alert('{0}');return false;\">{1}</a>";
          public string GetTextPrinting(IFormatPluginPrintingContext context)
          {
              IBaseSpec baseSpec = GetBaseSpecFromPrintingContext(context);
              return GetSpecNumberAndEffectiveDate(baseSpec);
          }
          private IBaseSpec GetBaseSpecFromPrintingContext(IFormatPluginPrintingContext pluginPrintingContext)
          {
              object boundPropertyValue = pluginPrintingContext.RenderingContext.GetBoundPropertyValue();
              return GetBaseSpecFromContextObject(boundPropertyValue);
          }
          public string GetTextURL(IFormatPluginContext context)
          {
              string fullText = GetText(context);
              string abbreviatedText = fullText.Substring(0, context.ContextualMaxLength);
              return String.Format(textUrlTemplate, fullText, abbreviatedText);
          }
          public bool UseTextURL(IFormatPluginContext context)
          {
              return GetText(context).Length > context.ContextualMaxLength;
          }
          public string GetText(IFormatPluginContext context)
          {
              IBaseSpec gsmSpec = GetBaseSpecFromContextObject(context.Context);
              return GetSpecNumberAndEffectiveDate(gsmSpec);
          }
          private string GetSpecNumberAndEffectiveDate(IBaseSpec gsmSpec)
          {
              if (gsmSpec == null)
              {
                  return "ERROR NULL";
              }
              else
              {
      string status = gsmSpec.SpecSummary.WorkflowStatus.Status;
               string myValue = "Test";     
                      return " [" + status + "] " + "[" + myValue + "]";
              }
          }
          private IBaseSpec GetBaseSpecFromContextObject(object context)
          {
              if (context == null)
                  return null;
              if (context is IBaseSpec)
                  return (IBaseSpec)context;
              if (context is IFormulationInput)
                  return GetReferencedMaterial((IFormulationInput)context);
              return null;
          }
          private IBaseSpec GetReferencedMaterial(IFormulationInput input)
          {
              if (input.IsMaterialReferenceAvailable())
              {
                  return (IBaseSpec)input.Material.DataObject;
              }
              return null;
          }
      }
  }
  

  I think that GSMSpecStatusFormatPluginExtension is a better reference.

  /*

  WARNING:

  // ===========================================================================

  Copyright © 2009 Oracle Corporation, 6373 San Ignacio Avenue,

  95119 1200 San Jose, California United States of America; Phone 408.284.4000, fax

  408.284.4002, or http://www.oracle.com/>. All rights reserved.

  //

  This file that was provided by Oracle Corporation in

  an Oracle® product for use ONLY by users under license of the product,

  contains CONFIDENTIAL and EXCLUSIVE of Oracle information

  Corporation.

  //

  THE USE OF THIS SOFTWARE IS GOVERNED BY THE TERMS OF THE LICENSE

  CONTRACT AND PROVIDED WITH THE PRODUCT LIMITED WARRANTY.

  //

  * IN PARTICULAR, YOU INDEMNIFY YOU AND ORACLE CORPORATION, SA *.

  * COMPANIES AND SUPPLIERS, _ * _HARMLESS_ * FROM AND AGAINST ANY CLAIM *.

  * OR COMMITMENTS ARISING OUT OF THE USE, REPRODUCTION OR DISTRIBUTION OF *.

  * YOUR PROGRAMS, INCLUDING CLAIMS OR LIABILITIES ARISING OUT OF GOLD *.

  * RESULTING FROM the USE, MODIFICATION OR DISTRIBUTION OF PROGRAMS OR FILES

  * CREATED FROM BASED ON, OR DERIVED FROM THIS SAMPLE SOURCE CODE FILE *.

  // ===========================================================================

  //

  Please refer to the document "Copyright and Trademarks.pdf" in the ReferenceImplementations folder

  //

  */

  using System;

  using Xeno.Data;

  using Xeno.Prodika.Common;

  using Xeno.Prodika.GSMLib.Formulation.DomainModel;

  using Xeno.Prodika.PluginExtensions.Context;

  using Xeno.Prodika.PluginExtensions.Plugins;

  namespace Xeno.Web.UI.GSMExtensions.Common

  {

  class GSMSpecStatusFormatPluginFactory: IFormatPluginExtensionFactory

  {

  public IFormatPluginExtension Create()

  {

  return new GSMSpecStatusFormatPluginExtension();

  }

  }

  internal class GSMSpecStatusFormatPluginExtension: IFormatPluginUIExtension, IFormatPluginPrintingExtension

  {

  private const string _formattedStatus = "[{0}];

  private const string _formattedPrintingStatus = "[{0}];

  public string GetTextPrinting (IFormatPluginPrintingContext framework)

  {

  ISpecSummary specSummary = GetBaseSpecFromPrintingContext (context);

  Return GetFormattedPrintingStatus (GetSpecStatus (specSummary));

  }

  public string GetTextURL (IFormatPluginContext framework)

  {

  return String.Empty;

  }

  public bool UseTextURL (IFormatPluginContext framework)

  {

  Returns false;

  }

  public string GetText (IFormatPluginContext context)

  {

  ISpecSummary specSummary = GetBaseSpecFromContextObject (context. Context);

  Return GetFormattedStatus (GetAbbreviatedStatus (context, GetSpecStatus (specSummary)));

  }

  #region help private

  Private static GetAbbreviatedStatus (IFormatPluginContext context, string text)

  {

  return new StringAbbreviator (context. ContextualMaxLength). GetAbbreviation (text);

  }

  Private Shared ReadOnly Property GetSpecStatus (ISpecSummary specSummary) as string

  {

  If (specSummary == null | specSummary.WorkflowStatus == null)

  Returns the string. Empty;

  Return specSummary.WorkflowStatus.Status;

  }

  Private Shared ReadOnly Property GetFormattedStatus (string text) as string

  {

  Return GetFormattedStatus (text, _formattedStatus);

  }

  Private Shared ReadOnly Property GetFormattedPrintingStatus (string text) as string

  {

  Return GetFormattedStatus (text, _formattedPrintingStatus);

  }

  Private Shared Function GetFormattedStatus (String, formatted string text)

  {

  If (the text. Length == 0)

  Returns the string. Empty;

  on the other

  Return String.Format (format, text);

  }

  Private Shared ISpecSummary GetBaseSpecFromPrintingContext (IFormatPluginPrintingContext pluginPrintingContext)

  {

  Object boundPropertyValue = pluginPrintingContext.RenderingContext.GetBoundPropertyValue ();

  Return GetBaseSpecFromContextObject (boundPropertyValue);

  }

  Private Shared ISpecSummary GetBaseSpecFromContextObject (object context)

  {

  If (context is nothing)

  Returns a null value.

  If (context is ISpecSummary)

  return the context (ISpecSummary);

  If (context is IBaseSpec)

  return (context (IBaseSpec)). SpecSummary;

  If (context is IFormulationInput)

  Return GetReferencedMaterial ((IFormulationInput) context);

  If (context is IFormulationOutput)

  Return GetOutputMaterial ((IFormulationOutput) context);

  Returns a null value.

  }

  Private Shared ISpecSummary GetOutputMaterial (IFormulationOutput output)

  {

  If (exit. Material.IsReferenced | output. Material.IsExternal)

  return (exit (IBaseSpec). Material.DataObject). SpecSummary;

  Returns a null value.

  }

  Private Shared ISpecSummary GetReferencedMaterial (IFormulationInput input)

  {

  If (entry. IsMaterialReferenceAvailable())

  {

  return (enter (IBaseSpec). Material.DataObject). SpecSummary;

  }

  Returns a null value.

  }

  #endregion

  }

  }

• Is it possible to install oracle fail-safe-kind-of (active-passive) SAN replication for oracle?

  Dear Experts,

  Is it possible to configure replication of SAN (active-passive) integrated security for oracle for oracle?

  To get the RTO < 60 seconds

  • If the primary host fails, the remote site should have the option to start the oracle database.
  • Sites are geographically remote.

  SAN storage replication, can it be used in my scenario?

  • I have no option to implement oracle Data Guard as its very expensive.

  Is that what someone achieved something similar with SAN storage replication?

  • I have oracle SE.
  • It is obvious that the all-flash backup can be quick.

  What should be the strategy to have DR site get a few seconds, if the primary site failed for some reason any

  • Daily incremental backup with RMAN. And archive backup runs for every 1 minutes
  • To have the site of DR upward and running within 60 seconds, it still requires too much time to restore the database on remote site and have archive APPLIED setpoint
  • What could be the solution with san replication? RTO is 60 seconds

  Thanks and greetings

  SAN storage replication, can it be used in my scenario?

  I have no option to implement oracle Data Guard as its very expensive.

  --> If you want to use the data that it is free of CHARGE, additional license is not required for normal data guard

  --> additional license is only for the ADG

  Is that what someone achieved something similar with SAN storage replication?

  I have oracle SE.

  It is obvious that the all-flash backup can be quick.

  --> Here, I understand that if oraclle EA is going to be expensive

  --> Again, you can use manual standby

  --> What you are looking for SAN replication, you will need to check with the storage vendor

  --> If your intention is to check with oracle storage, then this may be the correct discussion room

  What should be the strategy to have DR site get a few seconds, if the primary site failed for some reason any

  Daily incremental backup with RMAN. And archive backup runs for every 1 minutes

  To have the site of DR upward and running within 60 seconds, it still requires too much time to restore the database on remote site and have archive APPLIED setpoint

  What could be the solution with san replication? RTO is 60 seconds

  --> If your intention is to check with oracle storage, then this may be the correct discussion room

  Check in this

  https://community.Oracle.com/community/Server_%26_storage_systems/storage

• Oracle Database Disaster Recovery SAN replication consistency

  Hi all

  just a quick question after a long search and not yet knowing the answer.

  What technology or configuration do I need make the eve of Oracle DB compatible on asynchronous SAN replication between cities?

  The version is Oracle Standard Edition 11 g, then the enterprise like DataGuard and GoldenGate features aren't possible?

  Entire database replication Oracle Streams don't work?

  Hello

  You can do it yourself (as everyone else used to do many years ago), to a product like dbvisit which is popular in this space (never used, but I heard good things about this). Streams can do it, but I think he uses triggers rather than redo log mining so he can have more impact on the source system.

  SAN replication is possible but probably very expensive and you should be sure it correctly handles oracle blocks - the seller must be able to tell if it is certified or not.

  See you soon,.

  Rich

• Oracle ASM, SAN and VMware

  Hello

  I have a question about using Oracle ASM. If I only have a single physical disk of SAN (2 disks mirrored) IO isolated for an Oracle VM is there anywhere in the ASM application in file system VMs by creating several virtual disks to support ASM so everything is still really only to access physical disks? It's the first time that I have to do an Oracle VM install and I want to ensure that the directors have the info just to set up the DB.

  I see it's #14 tip in the doc of advice Essentiual deployment using Oracle ASM, but it says nothing about the assumptions... for example: is there more than one physical disk? I think the DBA doesn't want to bother with ASM as there is only a single physical disk under this virtual machine, but we are in a virtual world now and I think that the same would be true for a physical server are necessarily the case for a virtual.

  Thank you

  You only have a drive and a 100 MB database?   In this case, ASM is probably an extra layer of complexity which is not necessary.

  ASM is much more suited for the dissemination of data piles of many, and in cases where the management of database space is a consideration.

• Migration of Oracle SAN

  Hello
  In our application, we need movement 1 Datacenter SAN 2nd data center.
  As a precutionary, we plan to store as much information as possible within our current deposit of DB. One of them would be to store settings in the settings file $ v in a xls file. Please can anyone suggest what else can be store in our warehouse? We plan to store SQL tuning games but are not aware of how to do this?
  
  Thank you
  Tarun

  Hello

  as I saw it, you put the same question in the forum database Oracle - General questions. I think that the chances of getting help in this forum are much higher in this one. This forum deals with migration of non-Oracle to Oracle databases, using the Migration Workbench SQL Developer.

  Concerning
  Wolfgang

• Oracle 11g R2 RAC on IBM with SAN storage

  Hello Experts,
  
  I design an implementation for RAC Oracle 11 g 2 on AIX 6.1 with IBM's SAN storage. My drawing do not include Oracle ASM, I know, it is recommended to use Oracle ASM, but my purpose is not included
  
  I read the Guide of Installation of Oracle Grid Infrastructure and I have below questions about storage configurations:
  
  1. do I need a special configuration to replace the DSO?
  2. is it compulsory to use HACMP (IBM's Clustering solution) because I don't use ASM? Since based on the infrastructure Grid section 3.2 Installation guide (the Storage Configuration shared): [http://download.oracle.com/docs/cd/E11882_01/install.112/e17210/storage.htm] there is a section 3.2.7 "Configuration HACMP multinode disk Heartbeat (MNDHB) for Oracle Clusterware" so my question is it is mandatory to use HACMP if I don't want to use ASM?
  3. in the same above installation guide, mentioned in section 3.2.8 that "to use the raw logical volumes for Oracle Clusterware, HACMP must be installed and configured on all nodes in a cluster." what is raw logical volumes? is it compulsory to use it? Since I'm not on ASM?
  4 installation guide, in sections 3.2.3 to sections 3.2.9 are these prerequisites sections sections 3.2.10 to 3.2.15? or I can simply ask section 3.2.10 to 3.2.15 without applying 3.2.3 to 3.2.9?
  
  One last Question:
  
  ASM is integrated with the cluster software, do a separate license or license the license of the ASM cluster cover?
  
  Kind regards

  NB wrote:
  Hello Levi,

  the information provided is very useful. But what I heard in the installation guide network infrastructure that the raw device needs HCMP while GPFS need not of HACMP, GPFS is a cluster provided by IBM file system.
  Your input please?

  Hello

  Raw disk device (RD) is the LUN (disk) storage mapped on AIX.
  Raw logical volume (RLV) is the LUN (device) created the LVM of AIX.

  If you use devices of raw disk that you don't need HACMP, because AIX (core) has only receive instructions from Oracle to read and write, AIX does not support concurrency control in the raw disks, this control is managed by Oracle.

  If you use raw logical volumes (CLVM) HACMP must be installed and configured on all nodes in the cluster, volume logic is a feature of AIX (IBM) to enable simultaneous mode, you install HACMP, Oracle not manage concurrency control because Oracle does not know that there is an LVM behind.

  You are right, that the new version of GPFS are usable without HACMP.

  Kind regards
  Levi Pereira

  Published by: Levi Pereira on October 8, 2011 17:26 # update the info on gels of features

• Several houses of Oracle and SAN

  Hi gurus,
  I need to install two instances of oracle 10g on solaris 10 and have 6 TB of available to use SAN.
  I understand that I can put all the files in data/redo/arch on the san.
  
  My question is,
  
  can I place the binary oracle, oracle home etc on the SAN rather than the local disk? advanatages/disadvantatges etc.
  
  Thank you is advanced,
  Newbie

  can I place the binary oracle, oracle home etc on the SAN rather than the local disk? advanatages/disadvantatges etc.

  Yes you can. This is often used for some cases (common house of Oracle RAC).
  My opinion is space SAN is too expensive for a space of waste in this way (if there is another option).
  Note in case you create the RAC installation so you can make shared Oracle Home, but do not try to create shared inventory.

• Network SAN seems slow

  Hello

  I am looking for input on how our Setup could be better organized. Overall, the best rate we can get is 30-40 MB/s tops. IO operations higher such as roaming profiles are an extraordinary amount of time. We use Citrix XenDesktop 7 with only 80 total jobs, often 50 are used on an average day. We have the normal assortment of other servers: Exchange, SQL, AD, file storage. I started thinking that maybe it's something with our Installer.

  Material:

  4 R810s from Dell, 4 builtin network cards are used for iSCSI, a PCIe card of add-in for both ports of 10 GB for ESXi 5.1 ethernet traffic. ESXi has iSCSI attributed to 9000bytes to the switch and port.

  1 EqualLogic PS6000xv (16 x 600 GB 15 k rpm hard drives, controller is 4ports all iSCSI traffic value, no port management dedicated)

  1 EqualLogic PS6100E (24 x 2 TB 7200 RPM hard drives, controller has 4 iSCSI ports and dedicated management port 1)

  These two without are configured as a balanced loading group. Frames of 9000 bytes is enabled.

  The San are related to our stack of core 2 3750 s Cisco. All iSCSI ports are vlan d together. Frames of 9000 bytes are defined.

  The ESX hosts are connected to a Cisco Nexus 5010. Two interfaces of 10 GB link the link to the 3750 s.

  Everything works the latest firmwares.

  What is an optimal configuration? Split the berries would be the best option? Did I miss something else entirely? I would appreciate any input. Thank you.

  -March

  You specify the model 3750, if it is the X, there is a Setup for this on the portal of quick setup guide:

  Go to this link, see the Configuration Guide (information on Setup network), and then click the Quick Setup Portal EqualLogic, link on this page is the configuration for the 3750 X and ESX settings.

  Also, you want to configure all of your ESX hosts in this document on best practices:

  en.Community.Dell.com/.../20434601.aspx

  Also, you must install a system running the SANHQ to help get a better understanding of your performance.  This can help support if after reviewing these documents, you can not get the expected performance.

  -joe

• 3rd party such as san replication solution: strategy

  Dear Experts,

  Can you please share some of your ideas.

  Oracle DataGuard comes free with Oracle Enterprise Edition (EE). The only reason why a company could NOT use Oracle DataGuard is because they are not on the ERA and the cost of upgrading to EE just to use DataGuard does not justify the price.

  With 3rd party such as san replication solution. (for example hp3par)

  It is obvious that the all-flash backup can be quick.

  What should be the strategy to have DR site get a few seconds, if the primary site failed for some reason any

  1. daily incremental backup with RMAN. And archive backup runs for every 1 minutes

  2. so that the DR site facing up and running within 60 seconds, it still requires too much time to restore the database on remote site and have archive APPLIED setpoint

  What could be the solution with san replication? RTO = 60 seconds

  Thanks ivw

  Hello

  Great topic, I'll try to summarize all this in a post.

  I have worked with HP EVA for a few years and I must say that I have used many of the features of replication - HP EVA Business Copy (local replication) and HP EVA continues access (remote replication) as well - for the oracle database and other applications as well. Most storage systems use copy-on-write to create two points in time of the LUN (snapshot) image or clone LUN using cow again.

  Of course, like other people, said earlier the replication SAN is block based, in the same way with Dataguard, you have synchronous and asynchronous replication. When your data is written to the data files it usually goes in storage cache and then is pushed down the disc as soon as it will be more efficient, at the same point, replication is pushing data to the Dominican Republic. The same way with Dataguard if you use synchronous replication that you won't get you "speedy return" until the blocks of primary storage has been written for DR storage system.

  I never had problems with replication to be honest. I used a lot of copy of databases of production using local replication. For example if you want to quickly test a patch on the production system, you can create a snapshot that will only increase with the amount of changes you have made. The only concern is nowadays though we use ASM so if your diskgroup names are the same in DEV that the PROD does not work the approach that I mention.

  Regarding remote replication - because you do not have Dataguard more every time you failover to the Dominican Republic to your database will pass by instance recovery!

  Regardless of the type of replication is not the speed but the latency of the network - SAN or Dataguard, you will always have a penalty of a long replication distance. The biggest typical WAN latency factor is the speed of light, via fiber optic cable, which is about 124 miles per millisecond. Based on that you can calculate what would be the round-trip latency time.

  Indeed for many people SE installation choose DBvisit Standby to manage their databases on hold. I did the installation of the couple and it is really simple and works out of the box. However, your RPO depends on how often you switch your redologs and how many times you ship them to the backup site. You must configure dbvisit to spend with each log file (all the 5,10,15 minutes) OR configure archive_lag_target to configure OR use both at the same time. Also, you can store a copy of the archivelogs on a separate location just in case, for example, an NFS share.

  And finally my five cents on RAC on Clusters of extended - be careful with this one. Each of the nodes in the extended database cluster need access to both storage (primary and DR) systems. You must also third location to store a voting quorum disk, usually an NFS share. It is also very important to note that the latency between the nodes is of crucial importance due to global cache activity.

  Kind regards

  EVS

• SAN based replication options

  What are the SAN based replication with oracle dataguard purchase options?

  All those set up SAN replication (for DR) on front without oracle dataguard?

  Nothing against Oracle Data Guard but as based replication option SAN - EMC VPLEX provides very good option to achieve the RTO of zero which is not possible otherwise.

  It is certified by Oracle, so no worries around support.

  Thank you

  Aerts