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Virtual Desktop Infrastructure and Business Continuity Management

Marek Stopka — Mon, 03 Oct 2011 22:00:47 +0000

There are many reasons why implement VDI (Virtual Desktop Infrastructure) and easier Business Continuity Management is one of them. Virtual Desktop Infrastructure is an very old approach towards computing, you might recall old mainframe systems era, when users has been connecting to big mainframe systems using thin-clients and terminals. However back then, networks was slow, [...]

Oracle over NFS on NetApp storage – 3 – Primary configuration

Marek Stopka — Fri, 30 Sep 2011 22:00:47 +0000

In today’s article, we will look again bit into deployment of Oracle DB over NFS protocol on NetApp storage. This article is based on practical experience with deployment of SAP using Oracle (10g) as a back-end as well as on experience with Oracle DB deployments (10g & 11g). Most parts of this article are from [...]

Disk space efficiency on NetApp storage arrays

Marek Stopka — Mon, 12 Sep 2011 22:00:43 +0000

Users of different storage arrays often wonder how much usable capacity they get out of purchased amount of disk shelfs. For sure this is a key metric in ROI and TCO calculations, this information is also essential to implement proper capacity planning. In an ideal world, we would probably purchase usable disk capacity directly from [...]

Oracle over NFS on NetApp storage – 2 – Primary and DR site solution design

Marek Stopka — Sat, 10 Sep 2011 22:00:27 +0000

Oh, really? – 1 – Bonded iSCSI interfaces

Marek Stopka — Fri, 09 Sep 2011 22:00:23 +0000

In our consulting practice we often encounter absurd situations, designs and solutions. This is caused by companies trying not to involve external consultants with needed know-how and competences and source projects from internal resources who lacks needed know-how and skills. In our series Oh, really? we will share most absurd things we encounter in our [...]

Oracle over NFS on NetApp storage – 1 – Analysis

Marek Stopka — Sat, 03 Sep 2011 22:00:05 +0000

In today’s article, we will look a bit into deployment of Oracle DB over NFS protocol on NetApp storage. NetApp is quite a good choice for Oracle since there is a SnapManager for Oracle product from NetApp jointly supported by both Oracle and NetApp as a snapshot based backup technology for Oracle DB. This article [...]

NetApp SnapMirror – Benefits and Limitations

Marek Stopka — Thu, 01 Sep 2011 22:00:58 +0000

NetApp SnapMirror is a data replication technology working over Fibre Channel or IP networks, it is streamlined solution for Disaster Recovery and Data Distribution. SnapMirrror offers cost-effective solution for data replication with efficient storage and network bandwidth utilization. There are three flavors of SnapMirror available from NetApp, Synchonous, Semi-Synchronous and Asynchronous. I will introduce all [...]

Dark and Bright sides of NetApp Fabric MetroCluster…

Marek Stopka — Thu, 01 Sep 2011 09:23:50 +0000

NetApp MetroCluster is a part of NetApp Data Protection portfolio, however there are certain limitations that comes from use of Fabric MetroCluster technology. NetApp Fabric MetroCluster, is very similar to NetApp HA cluster, main difference is that infiniband interconnect is removed for cluster members and replaced by FC/VI cluster adapter. This adapter is used for [...]

ONTAP 8.0.2 – bmc man page

Marek Stopka — Fri, 31 Dec 2010 22:00:57 +0000

NAME na_bmc – commmands for use with a Baseboard Management Controller (BMC) SYNOPSIS bmc help bmc reboot bmc setup bmc status bmc test autosupport DESCRIPTION The bmccommand is used to manage and test a Baseboard Management Controller (BMC), if one is present. OPTIONS help Display a list of Baseboard Management Controller (BMC) commands. reboot The [...]

ONTAP 8.0.2 – storage man page

Marek Stopka — Fri, 31 Dec 2010 22:00:52 +0000

NAME na_storage – Commands for managing the disks and SCSI and Fibre Channel adapters in the storage subsystem. SYNOPSIS storage command argument … DESCRIPTION The storagefamily of commands manages disks, SCSI and Fibre Channel (FC) adapters, and various components of the storage subsystem. These commands can enable and disable adapters, display the I/O routes to [...]