ora-01

Clean Oracle Data Pump Jobs

1 day ago
by Alberto Laripa in

Occasionally we need to kill a long running Oracle import jobs ,we do it using kill -9 the job finish but this kill doesn’t completely kill the job and locks up the underlying db objects, increasing the tablespace for the user that ran the job. To resolve this, you need to run the impdp utility and kill the job.

(more…)

mysql2

Install & Configure MySQL Cluster (Pacemaker, Corosync, DRBD, Stonith)

1 week ago
by Alberto Laripa in

Ok, after explain how install and configurate drbd and vmware stonith, it’s the moment to start a new project mount a MySQL cluster.

The Concept

The concept of an active/passive fail-over Cluster is the following:

  • Two servers (nodes).
  • They communicate over a cluster software (Heartbeat, Corosync, OpenAIS)
  • They are running on DRBD failover storage system.
  • MySQL is only running in MASTER node (active), the other is the PASIVE node.
  • You reach MySQL over a Virtual IP (VIP)
  • In case of a problem the cluster fail-over the resources including the VIP to the passive node.
  • This fail-over is More >
oracle_01

WebLogic11 – Command Control

3 weeks ago
by Alberto Laripa in ,

In this post I’ll explain how control a Weblogic Server and Application from command line with simple task examples:

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crm

CRM – Integration DRBD, Stonith & Mysql

4 weeks ago
by Alberto Laripa in , ,

Ok, in previous entries I explained how install and configure DRBD and Stonith for Vmware. Now I explain how integrate all of them in CRM to control this resources with one tool.

The CRM (a.k.a Pacemaker) is a Cluster Resource Manager which implements the cluster configuration provided by the user in CIB (Cluster Information Base). The CIB is a set of instructions coded in XML. Editing the CIB is a challenge, not only due to its complexity and a wide variety of options, but also because XML is more computer than user friendly.

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uTorrent-100x100

How to Install rTorrent/ruTorrent on Debian

4 weeks ago
by Alberto Laripa in ,

This tutorial will help you to learn how install and configurate a fully-featured seedbox running on a Debian. To do this, we’ll need:

  • XMLRPC
  • libtorrent-0.13.2
  • rtorrent-0.9.2
  • rutorrent-3.4 Web UI & plugins-3.4

XML-RPC is a rem

ote procedure call (RPC) protocol which uses XML to encode its calls and HTTP as a transport mechanism. ”XML-RPC” also refers generically to the use of XML for remote procedure call, independently of the specific protocol

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ha_logo

Vmware Stonith for Linux Cluster

1 month ago
by Alberto Laripa in , ,

In this new post I’ll splain how install and configure Vmware Stonith for a new Linux Cluster.

For all the people that don’t know what’s Stonith, this is the explanation by Wikipedia:

STONITH (“Shoot The Other Node In The Head” or “Shoot The Offending Node In The Head”), sometimes called STOMITH (“Shoot The Other Member/Machine In The Head”), is a technique for fencing in computer clusters.

Fencing is the isolation of a failed node so that it does not cause disruption to a cluster. As its name suggests, STONITH fences failed nodes by sending a message to remotely power down the failed

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drbd

DRBD – Installation & Configuration

1 month ago
by Alberto Laripa in ,
  • Hi, in this post I’ll splain how configure a DRBD infraestructure, but first, What’s DRBD:

DRBD® refers to block devices designed as a building block to form high availability (HA) clusters. This is done by mirroring a whole block device via an assigned network. DRBD can be understood as network based raid-1.

 

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ora-01

Configure DataGuard 11gR2

2 months ago
by Alberto Laripa in

Once we have our Production DB mounted and running, we’ll mount a new Standby Database, thatis all the changes made in Production (Primary) Database apply in the Standby, so in case of catastrophe we can make a switchover to the Secondary.

This is my infraestructure:

  • Two primary DB (RAC 11gR2)
  • PRIMARY1
  • PRIMARY2
  • Two standby DB (RAC 11gR2)
    • STANDBY1
    • STANDBY2

    (more…)

    5

    vSphere5: vmware-vpxd Crash

    2 months ago
    by Alberto Laripa in

    Recently in my work, we have update the Vmware Infraestructure from Vsphere 4.1 to Vsphere 5, this update significate that the virtualCenter change (optional) from windows to a virtual linux appliance.

    When we finished, a problem appeared, basically the vmware-vpxd service crash, and impact was that all the Vsphere Clients and tasks shutdown immediately. (more…)

    subtitles

    Downloads Subtitles from the Comand Line

    2 months ago
    by Alberto Laripa in

    Download subtitles is a hard task, with Python and LM all your problems will disappear.

    The LM software Feacures:

    • display IMDB information
    • filter movies by genre, director, actor, size
    • generate a html page with cover and trailer links
    • download subtitles for all your movies for any language supported by OpenSubtitles (more…)
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