Feeds

HP hunts down 'rare' BladeSystem problem

Only one power supply domain and if it fails ....

High performance access to file storage

A power supply failure in HP BladeSystem c7000 enclosures can cause the whole BladeSystem to fail, the firm has admitted.

According to an HP advisory note: "HP has identified a potential, yet extremely rare issue with HP BladeSystem c7000 Enclosure 2250W Hot-Plug Power Supplies manufactured prior to March 20, 2008.

"This issue is extremely rare; however, if it does occur, the power supply may fail and this may result in the unplanned shutdown of the enclosure, despite redundancy, and the enclosure may become inoperable."

So, the issue is extremely rare, says HP. But it applies to any HP BladeSystem c7000 Enclosure configured with an HP c7000 Power Supply, if the power supply was manufactured before March 20, 2008. Each enclosure can have up to a total of six supplies.

Our understanding is that all the power supplies in the enclosure are connected together, forming a single power domain. The blades in the system connect to a single power bus. If the power supply fails then all the blades may stop working meaning that all their applications, including any virtual machines, go offline. Effectively, there is a single point of failure and redundancy limitation in the BladeSystem c7000 design.

HP's advisory goes on to say that: "BladeSystem c7000 Enclosure Power Supplies manufactured on or after March 20, 2008, and DC-powered enclosures (typically utilized in an Integrity blade environment) are not affected. To ensure stability of your computing environment, HP is providing a power supply identification utility to enable customers to identify potentially affected power supplies. Supplies identified by the utility will be replaced by HP."

There is more information about the identification utility here. Defective power supplies will be replaced free of charge.

The company provided a statement about the issue: "HP has been made aware of a very small number of incidents involving power supply failures in the BladeSystem c7000 enclosure. Because customer service and product quality are top priorities for HP, the company is working with HP BladeSystem customers to replace all potentially affected c7000 power supplies purchased by customers." ®

High performance access to file storage

More from The Register

next story
Seagate brings out 6TB HDD, did not need NO STEENKIN' SHINGLES
Or helium filling either, according to reports
European Court of Justice rips up Data Retention Directive
Rules 'interfering' measure to be 'invalid'
Dropbox defends fantastically badly timed Condoleezza Rice appointment
'Nothing is going to change with Dr. Rice's appointment,' file sharer promises
Cisco reps flog Whiptail's Invicta arrays against EMC and Pure
Storage reseller report reveals who's selling what
Bored with trading oil and gold? Why not flog some CLOUD servers?
Chicago Mercantile Exchange plans cloud spot exchange
Just what could be inside Dropbox's new 'Home For Life'?
Biz apps, messaging, photos, email, more storage – sorry, did you think there would be cake?
IT bods: How long does it take YOU to train up on new tech?
I'll leave my arrays to do the hard work, if you don't mind
prev story

Whitepapers

Mainstay ROI - Does application security pay?
In this whitepaper learn how you and your enterprise might benefit from better software security.
Five 3D headsets to be won!
We were so impressed by the Durovis Dive headset we’ve asked the company to give some away to Reg readers.
3 Big data security analytics techniques
Applying these Big Data security analytics techniques can help you make your business safer by detecting attacks early, before significant damage is done.
The benefits of software based PBX
Why you should break free from your proprietary PBX and how to leverage your existing server hardware.
Mobile application security study
Download this report to see the alarming realities regarding the sheer number of applications vulnerable to attack, as well as the most common and easily addressable vulnerability errors.