Follow Slashdot stories on Twitter

 



Forgot your password?
typodupeerror
×

Comment VMware and Citrix (Score 1) 523

... and several other vendors deliver desktops and apps to end-user devices remotely and increasingly efficiently. TFA is on the wrong side of history - IT will own and control the apps "locked down" and delivered remotely, device-independently. Administration of the endpoint device is a nightmare, and through VDI and app delivery endpoint management is becoming nearly irrelevant as these technologies improve. In fact, the end point becomes irrelevant - the always-on, use anywhere application service is coming (just don't say "cloud" because I'm tired of hearing it).

All your apps are belong to us.

Comment Re:Bear Grylls don't need no stinkin' GPS (Score 5, Informative) 599

... and then he'd pack it in for the day, take the camera crew out for a nice dinner at the nearest steakhouse, check into his hotel and be all fresh for the next day's shoot.

Bear is at best entertainment (think 'fear factor' outdoors), at worst a fraud. A real "survivorman" is Les Stroud, who packs in all his own gear and films everything himself, alone... and actually stays out in the wilderness for the duration.

Comment Re:Not Just Hateb by the Left (Score 1) 1425

Huh? How is providing healtcare to those that can't afford it wealth redistribution?

It's called using "grade school math" to make a judgement - something that is the pinnacle of the ability of a disturbing number of people in the US's ability to master. The burden on society, costs of treating emergency room versus prevention, and cascading effects of unhealthy people in the population (lost productivity, spreading of health problems, etc) are beyond the grasp of too many people. Calculating the 'total cost of health' is 'voodoo math' to many people.

Many seem to think it's a zero-sum game - if it's helping someone else then it must be hurting me.

It's illuminating that Costa Rica has a higher-ranked healthcare system than the US (ranked 37th), and that the US is ranked next to Cuba. None of the talking heads on the right have anything to say about this. All those 'darn socialist' nations dominate the top 10.

And while we're on that topic, why is always considered a bad thing when wealth redistribution benefits the lower-middle income, but it's a good thing when it benefits the upper 2% (e.g. tax breaks for the wealthy)?

Because the brainwashed masses believe that they have the ability and the real possibility to become the next Trump or Buffett - ya know, ya can't put a lid on the "American Dream". Also, see above regarding the zero-sum game.

Comment Re:I am an author of the study (Score 1) 142

Would it be easier to detect the existence of large (small planet-sized) moons around a gas giant than earth-sized planets around a star? Would not the perturbation of the gas giant be easier to detect because the mass ratios are closer (large moon to gas giant vs earth-sized planet to star)?

If so, detecting the gas giant in the habitable zone and then looking for evidence of large moons or companion bodies could allow detection of candidates for life.

I assume this would entail detailed, direct observation of the gas giant, but I would imagine that will happen sooner than detailed, direct observation of an earth-sized body.

Space

Submission + - Potential "Avatar" Gas Giant Exoplanet Discovered (hanno-rein.de)

Luminary Crush writes: "A gas giant of approximately 1.5 Mj (Jupiter Mass) was discovered on October 22nd, 2010 around the binary star system HD 176051B. It's not known with certainty which component of the binary system the planet is in orbit around at this point as both stars in HD 176051B are relatively Sol-sized (1.07 and .71 solar masses). Named 176051B b, this new exoplanet orbits within the star system's habitable zone, and if mapped onto our solar system with relative distance from our Sun it would place the large planet between Earth and Mars.
While it's unlikely that such a gas giant could host life as we know it (though it's hypothesized), the location of the big planet opens up the intriguing idea of the realization of some of science fiction's famously habitable moons Pandora and Endor. Look no further than our own solar system to see moons with the potential ingredients for life — just add heat."

Comment Re:What's the point (Score 1) 444

I don't think you are going to get very much exploration in the private sector - there's no direct profit motive. If there's not a pure science motivation for a private sector entity, why would it toss money into space?

You can hardly take space exploration out of politics - the only reason we went into space was politicians! If it was not to one-up the Soviets (and vice-versa of course is true - Stalin wouldn't have wasted rubles on such things otherwise) we'd probably not have a few US flags stuck in the regolith.

The shuttle was a very poor compromise between NASA and the military - it ended up serving neither efficiently. Ares was an attempt to re-use some of those compromise-designed components on a follow-on vehicle which really amounted to a pork barrel project for Utah (Thiokol) and a few other subcontractors/Senate districts. We are better off without Ares as-was.

We now are keeping Orion - which could see life on top of another booster (how about man-rating some of our existing medium-lift vehicles??). But more interesting are projects like Dreamchaser - the HL20 lifting body derivative being built by Sierra Nevada Corp. They received the biggest chunk of the private sector manned spaceflight funding so far. And SpaceX has a capsule in the works as well. But those are only there because the government has created the initiative and is providing some seed funding.

Personally, I would like to see us on Mars in my lifetime, and my time is about half up. We are not going to get there because it will be profitable to do so. We will get there when the political winds make it possible to do so.

Comment Re:Here, here... (Score 5, Interesting) 231

So the story goes, this dates back to some interns who worked at NetApp and then went to Sun and perhaps influenced ZFS.

The technology in WAFL is that of a pointer-based filesystem - which itself is pretty ingenious and is only now being feature-emulated (ZFS, BRTFS, etc).

One can say what they want of Netapp's pricing, but the technology is extremely solid and simple to operate compared to managing Linux or Solaris boxes running a filesystem as a NAS; the snapshots are without I/O penalty and you can take a lot of them, the clustering is *FAR* simpler than anything happening on general-purpose OSes, the support for protocols is industry-leading (FCoE, NFSv4, SMB 2.0 - they have a codeshare w/ Microsoft and do not use a reverse-engineered Samba implementation or run any kind of Windows storage server like competitors do).

ZFS has a lot of promise, but does not have nearly the performance that WAFL does (considering RAID-DP versus ZFS RAID6) and has only some of the feature set of mirroring, snapshot vaulting, filesystem and file cloning, WORM-compliance, etc. Companies don't want to bet their business on a science project of roll-your-own NAS which doesn't have the feature set the Netapps do, and no serious competitor (eg a company with the ability to financially stand behind the product) in the enterprise space has anything like the feature set.

I work for a systems integrator and I've messed with hundreds of Netapps, Sun and Linux appliances, and competitors over the years. I use ZFS at home because I can't afford a Netapp (and wouldn't want to pay the electricity bill if I could!) but if I ran an IT department I'd put my data on a Netapp FAS over a ZFS appliance any day.

Comment ZFS-FUSE or VMs (Score 1) 300

ZFS is available as a user space filesystem (FUSE) and has lots of goodies including snapshots and snapshot replication for off-box disk-to-disk backup. It's got a much better feature set than LVM/ext3. I've used it and it seems stable - I've even imported and exported Zpools between Linux and Solaris without problems.

You can try to build it from source if not available for all your distros - not sure if it will compile on the 2.4 kernels though.

You are not going to find something you can 'drop on top of' a bare EXT3 filesystem and get robust, modern features like snapshots w/o some data migration.

You could also think about migrating these old physical servers into VMs and snapshot using the facilities available in the hypervisor (eg VMware or Xen).

You could also setup an NFS server or a NAS box with snapshots and migrate your data there, leaving the OS/apps to run via NFS mounts: OpenSolaris has NFS; Nexentastor, built on OpenSolaris, is free for up to 3TB and has ZFS/snapshots/etc, or you could deploy a Linux machine with BTRFS, etc.

Submission + - Life on Titan? (sciencedaily.com)

Luminary Crush writes: "Two new papers based on data from NASA's Cassini spacecraft scrutinize the complex chemical activity on the surface of Saturn's moon Titan. While non-biological chemistry offers one possible explanation, some scientists believe these chemical signatures bolster the argument for a primitive, exotic form of life or precursor to life on Titan's surface."

Slashdot Top Deals

So you think that money is the root of all evil. Have you ever asked what is the root of money? -- Ayn Rand

Working...