ASM starts on different types of storage?

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• Best survey practice: tiering with different types of storage drives

  Hello

  We recently received a new SAN Equallogic, and I am deciding the implementation. Our first unit (currently only one member in a swimming pool) is a PS4100 with 24x600GB 10K SAS. The new unit is a PS4210 with 12x4TB 7.2 K NL SAS.

  Should I leave units in separate classes in the same group and cut new LUNS? Should I add the PS4210 in the existing pool and use the Storage Tiering?

  I'm a little hesitant to how Storage Tiering will work, I read a little when the mixture of types of disks, storage tiering will be balanced on the ability, and most of the i/o load will hit the higher capacity of SAN.

  Any contribution is appreciated. The storage is used for the storage of data VMFS with vSphere 5.5 cluster. Run EQL firmware 8.1.0 on both units.

  Hello

  Either will work.   As a general rule, speaking of small members 10K / 15K mix with very large 7.2 K members RPM can reduce the effectiveness of the fastest disks.  As more data on the largest Member.  This is especially true if they carry the same RAID type.

  I would start with them in their own pools.  Later, you can merge two pools quite easily.  The other way is more complex.  Since you need to remove a member, leaving the data in the original pool.  Then you can move volumes of the new pool.

  Also, please check Dell TR1091.  It explains how to configure the storage w/EQL ESXi.

  en.Community.Dell.com/.../Download

  A small change that has not been added that TR is the NOOP_TIMEOUT value.  The document shows you how to change the LOGIN_TIMEOUT value to 60.  In this menu is the NOOP_TIMEOUT, which gets the value of 30 seconds.

  Finally, make sure that the virtual machines themselves are configured with their disk values set on 60 seconds Timeout.

  With the EQL Firmware download is a PDF entitled ' iSCSI initiator and optimize your SAN environment for high availability of the OS considerations "which explains how to make the necessary changes.

  Kind regards

  Don

• Disaster recovery with different ASM starts

  Hi@all,

  in fact, I'm testing a scenario of recovery after a disaster. To an Oracle Linux 6 Server with installed grid below 12 c and Ora Database 11.2.0.4 (there is also a 12.1.0.2 instance of database) I'm doing a recovery after a disaster. But I'm unleashed by the restoration and recovery of the database. The problem here is that ASM diskgroup name has changed. As you read I also changed the physical server, but I think that should not be a problem.

  To the old server, I have two ASM starts '+ DATA' and '+ FRA_1', to the new, they are called '+ DATA_SRVNAME' and '+ FRA_SRVNAME '. I already changed the startup in spfile parameter, but now after restoring the controlfile RMAN has directions to the old diksgroup:

  RMAN> report schema;
  
  
  using target database control file instead of recovery catalog
  RMAN-06139: WARNING: control file is not current for REPORT SCHEMA
  Report of database schema for database with db_unique_name SID
  
  
  List of Permanent Datafiles
  ===========================
  File Size(MB) Tablespace           RB segs Datafile Name
  ---- -------- -------------------- ------- ------------------------
  1    0        SYSTEM               ***     +DATA/SID/datafile/system.438.816606399
  

  So I tried three ways. First was rename data file name:

  ALTER DATABASE RENAME FILE '+DATA/SID/datafile/system.438.816606399' TO '+DATA_SRVNAME/SID/datafile/system.438.816606399';
  

  Then had to set the newname in RMAN:

  set newname for datafile 16 to '+DATA_SRVNAME/SID/datafile/mms_basic_tab.455.816617697/';
  

  And the second was to recreate the controlfile with

  CREATE CONTROLFILE REUSE DATABASE "SID" RESETLOGS ARCHIVELOG
      MAXLOGFILES 16
      MAXLOGMEMBERS 3
      MAXDATAFILES 254
      MAXINSTANCES 1
      MAXLOGHISTORY 1815
  LOGFILE
    GROUP 1 ('+DATA__SRVNAME', '+FRA_SRVNAME')  SIZE 1024M,
  DATAFILE
    '+DATASRVNAME/SID/datafile/system.438.816606399',
  CHARACTER SET AL32UTF8;
  

  But the three methods gave me the error that the file data to the new location is not available (for example):

  ORA-15012: ASM file '+DATA_QUM169/cogn11/datafile/system.438.816606399' does not exist
  

  So now my question: how am I able to say the controlfile or the database to use the another diskgroup in ASM?

  I know, the simplest way would be to create a diskgroup + DATA and do the restore / recovery, but on the new server, I have no more storage to assign to a new diskgroup, and because there are running other forums I would'nt change ASM starts.

  Do you have anny solution?

  A big thank you and best regards,

  Dave

  Please try this

  RMAN > run

  {

  the value of newname for datafile 1 to "+ DATA_SRVNAME";

  restore data file 1;

  switch datafile 1;

  recover datafile 1;

  }

  Did you create + diskgroup DATA_SRVNAME?

  and

• Is have RAID (1 + 0) so that Failgroups for all ASM ASM starts is a well-known best practice?

  Dear Experts,

  Is have RAID (1 + 0) so that Failgroups for all ASM ASM starts is a well-known best practice?

  Having both is the best practice

  • RAID (1 + 0)
  • ASM Failgroups for all ASM starts

  Thank you

  IVW

  You can create groups of ASM disks with normal or high redundancy or specify external redundancy. It depends on your reliability requirements and storage performance. Remember that ASM is not RAID and redundancy is the base file. ASM uses alternating devices. Oracle is generally recommended to have redundancy of storage. If you have RAID redundancy at the level of hardware controller or storage, Oracle recommends to configure ASM disks with external redundancy groups. Redundancy of the DSO is only between groups of disk failure and by default, each device's own failure group. Of course, you always want to make sure that you do not rely on redundancy of data between logical devices or partitions residing on a single physical unit. Compared to external RAID redundancy redundancy ASM using will give the DBA more control and transparency on the setting of the underlying.

• I can not install any application Windows store. incorrect time showing a time 0 * 80080008 another time 0 * 80072efe all time showing like this different type of error.

  I can not install any application Windows store. incorrect time showing a time 0 * 80080008 another time 0 * 80072efe all time showing like this different type of error. first time using windows 8.1 but restore for windows 8. but problem still. How do reslove this problem.

  Hi Anish,

  If you receive the error 80072efe or 80080008 when you use Windows Store, the cause may be an interruption of the connection between your computer and the Windows Update service.

  Here are a few methods you can try to solve this problem.

  Method 1: Run the Windows Update Troubleshooter.

  Open and run the Windows Update Troubleshooter to fix the problem automatically.

  Method 2: Run the troubleshooter for Internet connections.

  Open the network troubleshooter utility by hitting at full speed in the straight edge screen, quilting search (or if you use a mouse, pointing to the top right of the screen, move the pointer of the mouse down and then clicking search), inbound to identify and repairin the search box, and then tapping or identify and repair network problems.

  Method 3: Restart the Windows update service and check.

  a. press or press the Windows key + R, type services.msc and press ENTER.

  b. If you are prompted for an administrator password or a confirmation, type the password or click continue.

  c. find the Background Intelligent Transfer Service and check the status.

  d. If the status is stopped, click Background Intelligent Transfer Servicesand then click Start menu.

  e. search Windows Update and check the status.

  f. If the status is stopped, click Windows Update, and then click Start menu.

  g. close Services.

  Method 4: T emporarily disable the security software and verify.

  Note: Antivirus software can help protect your computer against viruses and other security threats. In most cases, you should not disable your antivirus software. If you do not disable temporarily to install other software, you must reactivate as soon as you are finished. If you are connected to the Internet or a network during the time that your antivirus software is disabled, your computer is vulnerable to attacks.

  You can also check out the link and check if it makes a difference.

  Solve problems with a soft

  Please an update of the results to help you further.

• is it possible to do lun replication two table of different types

  is it possible to do replication LUNs in two different types in the table such as hp and emc.

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  VMware KB: vSphere replication FAQ

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  Hello VMwear8,

  The chances of anyone to play with the hypervisor itself is actually quite thin, what must be addressed is the data accessed in virtual machines. If you need protect administrators to access these data.

  Right now that is not possible to 100%, however you can restrict access by implementing different controls:

  (1) execute all access to your ESX hosts and vCenter via the HyTrust appliance, this is a preventive measure in some cases.

  (2) turn off the navigation data store in the vSphere Client (this is a RBAC vCenter)

  (3) turn off 'root' or superuser for each ESX host (except in a situation of "break the glass"). If they need access 'root' follow it via sudo.

  (4) add the audit in order to know who did what, when, where and how

  (5) protect your management tools as if they were gold. Check out this post performance and security management in the virtual environment tools as an aid to help with this.

  At most you can only put controls around the problem, we can not currently permanently prohibit access to one person give you access as being able to connect as root in the ESX host.

  Best regards

  Edward L. Haletky

  Host communities, VMware vExpert,

  Author: VMware vSphere and Virtual Infrastructure Security,VMware ESX and ESXi in the 2nd business edition

  Podcast: the Podcast for security virtualization of resources: the virtual virtualization library

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  Basically, some ECM systems will create the tables of specific database for each content type store that content type-specific metadata.

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