Archive for Dezember, 2010

Fusion-io ioDrive Octal – 5.12TB of capacity into a single PCI Express device

Samstag, Dezember 25th, 2010

fusion-io_logo.jpg   The Fusion-io ioDrive Octal packs the highest IOPS in the industry 6 GB/s of bandwidth and 5.12TB of capacity into a single PCI Express device. This enables organizations to tackle previously unattainable workload challenges with a single server, eliminating the latency impact of accessing backing data stores

fusionio_01.jpg

Mercedes Benz – „Sonntagsfahrer“

Freitag, Dezember 24th, 2010

SourceForge.net: IOMeter 2008-06-22-rc2 – performance analysis tool

Donnerstag, Dezember 23rd, 2010

sourceforge_logo.jpg   IOMeter is an I/O subsystem measurement and characterization tool for single and clustered systems. It is used as a benchmark and troubleshooting tool and is easily configured to replicate the behaviour of many popular applications

 

iometer_01.jpg

IOMeter is a great way of measuring your disk io performance with http://vmktree.org/iometer  a nice way to check if your system is performing optimally and to compare your results with others

The IOmeter Real Life – OpenPerformanceTest.icf (8GB) – use 8KB blocks and perform 65% read and 35% write actions for 2 minutes in a 40% sequential way and thus 60% random way

iometer_reallife_01.jpg 

iometer_02.jpg

To use IOMeter on a linux server

# ./dynamo -i 192.168.1.7 -m 192.168.1.2

where 192.168.1.7 is the IP@ of the windows pc running IOMeter. 192.168.1.2 is IP@ of the linux server running dynamo

 

VMware vSphere 4.1 – Oracle Real Application Cluster Performance

Donnerstag, Dezember 23rd, 2010

vmware_logo.jpg   Oracle Real Application Clusters (RAC) is used to run critical databases with stringent performance requirements. A series of tests recently were run in the VMware performance lab to determine how an Oracle RAC database performs when running on vSphere 4.1

But Oracle has not certified any of its products on VMware virtualized environments. Oracle Support will assist customers running Oracle products on VMware in the following manner – Oracle will only provide support for issues that either are known to occur on the native OS or can be demonstrated not to be as a result of running on VMware

Synology DiskStation DS1511+ – High Performance NAS Server Scales up to 15 Drives for SMB Users

Mittwoch, Dezember 22nd, 2010

synology_logo.jpg   Synology DiskStation DS1511+ offers a high-performance scalable and full-featured network attached storage solution that require an efficient way to centralize data protection simplify data management and rapidly scale storage capacity with minimal time spent on setup and management

synologydiskstationds1511_01.jpg

Enterasys B-Series – High-Power PoE Gigabit Ethernet Stackable Edge Switch

Dienstag, Dezember 21st, 2010

enterasys_logo.jpg   The Enterasys B-Series is a scalable high-performance Gigabit Ethernet switch offering support for IEEE 802.3at compliant high-power PoE flexible 10 Gigabit Ethernet options and enhanced automation capabilities to provide for a future-proofed solution that significantly reduces operational expenses for customers

        enterasys_01.jpg

FastViewer iFastViewer – ist weit mehr als ein Desktop-Sharing Tool

Sonntag, Dezember 19th, 2010

fastviewer_logo.jpg   Mit FastViewer / iFastViewer können Sie bequem von Ihrem iPhone, iPod touch oder iPad an FastViewer-Sitzungen teilnehmen. Auf Präsentationen, Webkonferenzen, Online-Meetings und Schulungen müssen Sie nun auch unterwegs nicht verzichten

fastviewer_01.jpg

VMware Data Recovery 1.2 – Network Destinations Must Be specified Using IP Addresses

Samstag, Dezember 18th, 2010

vmware_logo.jpg   Using DNS-resolved names to specify network destinations is not supported with VMware Data Recovery. When adding network destinations using Configure Destinations enter an IP address. For example use \\172.20.3.33\VDR rather than \\<server name>\VDR

vmware_vdr_01.jpg

Paperfree Healthcare

Donnerstag, Dezember 16th, 2010

VMware vSphere 4.1i – Lockdown Mode

Mittwoch, Dezember 15th, 2010

Fusion-io ioXtreme PCI Express SSD – Extreme Performance for Extreme Users

Montag, Dezember 13th, 2010

fusion-io_logo.jpg   Fusion-io ioXtreme PCIe solid state drive can fill the gap between your low-cost archival storage and your system’s memory. While RAM is fast responding in nanoseconds hard disk drives are slow responding in milliseconds – a performance gap of one million!

ioxtreme_01.jpg

Space Shuttle – Launch documentation

Sonntag, Dezember 12th, 2010

Mercedes Benz – Christmas Greeting

Sonntag, Dezember 12th, 2010

Microsoft Windows Server 2008 R2 – symbolische Links ein fester Bestandteil des Betriebssystems

Sonntag, Dezember 12th, 2010

mswindows_logo.jpg   Mit Microsoft Windows Server 2008 R2 stehen echte symbolische Links zur Verfügung die transparent im Dateisystem vorliegen und auf Dateien und Verzeichnisse des eigenen Computers verweisen

mklink [[/d] | [/h] | [/j]] <Link> <Ziel>

mklink „C:\EinLink.pdf“ „D:\EinDokument.pdf“
mklink /d „C:\Neues Verzeichnis“ „D:\Pfad\Reales Verzeichnis“
mklink /d „C:\Netzwerkshare“ „\\meinserver\meinshare“

mklink_01.jpg

Microsoft Windows Server 2008 R2 – facts about the Session Broker Load Balancing

Sonntag, Dezember 12th, 2010

mswindows_logo.jpg   Microsoft Terminal Server Session Broker Load Balancing does Session Based Load Balancing not resource based Load Balancing. This means that Session Broker Load Balancing in Windows Server 2008 works by taking a look at just the user load on a Terminal Server including disconnected sessions – if you want to take CPU usage Memory usage Disk usage and stuff like that into account you’re out of luck

tsbroker_01.gif