Data Storage

Sharing a Subset of Data Between 2 Sites? 23

eldrich asks: "We have two labs: a main lab (lab 1) has 1.2Tb of on-line data storage -- two machines with 600Gb RAID-5s hung off of them. These happily service about 30 Linux machines via NFS over fast ethernet. There are 5-6 WinXP machines that connect via SMB and Samba. The lab is on a private network with a single firewall between it and the world, and we use LDAP for practically everything (hostname, usernames, password, autofs, etc). The students' lab (lab 2) is 40 miles away, with 8 workstations and 2 WinXP machines. This lab also has a small RAID-5 Linux server with 180GB space which serves via NFS and Samba. Sometimes we have people from lab 2 at lab 1 and while they are at the main lab, they need their files. What I want to do is make lab 2's 180GB RAID a subset cache of the 1.2Tb one in lab 1. This puts everyone's main storage at lab 1 (which is backed up weekly) but a local copy can be cached on the lab 2 raid system. This gives the students a local copy for fast access, but all the safety of the backups made from our system. Does anyone know of a filesystem or programs that can help with this?"

What Critics of the Critics of the FCC Rule Miss 375

Asprin writes "Businessweek has an editorial up which argues that the FCC's HDTV broadcast flag rule is a good thing, and that everyone is just overreacting. What the author is overlooking is that this rule gives exclusive control over production to the studios that are in "the club", essentially denying private citizens the right to make their own HDTV format video. To wit: "The problem comes when a program taped on an old VCR can't be replayed on a next-generation VCR. So consumers may experience some compatibility problems between machines as they upgrade." Awww, she almost gets it. (...and she was sooo close, too!) The problem is the word "consumers", which doesn't describe us anymore. There's nothing like being locked out of your own old family videos when your current VCR dies, eh?"
Hardware

Dealing with Outdated Automotive Software? 156

Jan Hendrik Montag asks: "My car mechanics had problems to fix a problem in electronic motor management with my 14 yr old Audi. That was not too surprising. But as my mechanic consulted a Volkswagen/Audi-company, they received the answer, that my car is too old and they don't have the appropriate devices and software to read my cars' mind. I just wonder, what will happen in 20 or 30 years to then-vintage-cars from today? Shouldn't there be a necessity to declare old car-software and diagnostic devices open-source just to make sure a collector then can repair his/her car just as it is possible to repair an old car from the 60's? Or will those cars be doomed in case of failure? What would be a solution?"
The Internet

Is VoIP the Way to Go? 64

Howpostsgetratedsuck asks: "My cable operator now offers VoIP local and long distance for one flat rate. Does anyone have any experience with or use a VoIP service provider? What are the pros and cons? What do you give up? Do they provide more than one number for my dedicated fax line? Is it better to just use wireless services for everything and dump the landline pots service altogether? Should I stay "status quo" for a while longer? I use the telephone in my business office for about 90% of my telco anyway."
Businesses

Open Sourcing a Vertical Market Application? 71

BigCanOfTuna asks: "The company I work for is considering the possibility of turning over one of thier enterprise applications to the open source community. They are doing this for a number of reasons including raising thier profile in the OS community, developing relationships with other Energy companies that would be willing to hire us as consultants, and of course just for good will (if there is such a thing in business!). Since the application is very specific to a vertical market, can one expect to see the same results that other open source projects see? Are there any other successful OS projects out there that are geared to a specific niche?"
Software

Norton Antivirus 2004 Ad Blocking - Tough Call? 858

DaaZ asks: "I'm a webmaster (and more) for a small Internet company and discovered a neat feature in Symantec's Norton Antivirus 2004 that might shake some fragile nerves looking at diminished revenues outlook. This feature is an ad blocking tool that very successfully blocks banners on websites, based on a simple keyword identification. It seems to place itself between the download and render engines of Explorer (I haven't tried with other browsers yet, lack of time) and removes code based on a keyword query. We have a rotating banner code on our Web site and with ad blocking enabled, it's completely gone from the source, and so are all our images that link to an external site. It even strips images that are not advertising banners, but simply images that link to an external site! We all hate advertisements, but as with public TV, it's the reason we can get it for free (provided you buy the nice TV and the cables and the storage unit and the TiVo, and the..." Does NAV2004 have some kind of feature where certain sites can be exempt from ad blocking (in the case you do wish to support a site with ads)? I believe the choice to block banner ads belongs to the consumer, not Symantec, and it should be more than a "yes-or-no" choice. If banner ads fail, more and more sites will be forced into a pay model, and the days of the "Free Internet" will be almost over. Do you think banner ads are still an effective way to offset the cost of a website, or has their time passed? If so, what do we replace them with?
The Internet

Methods for Information Distribution? 38

Prep asks: "We're all faced with a glut of information. Everyone where I work seems to use email as their primary means of information distribution. However, thanks in part to huge file attachments and a massive influx of spam, email delivery times are now apparently exceeding the times that our user base deems acceptable, so I've began to wonder about other means of informing users of changes to information they deem important. Ideally, the user would subscribe to various feeds (changes in their network share filesystem, various intranet webpages being updated, RSS feeds, etc) and notifications of changes to those sources would be pushed to them on an automated basis. I'm wondering if an IM based solution might not be useful here. I can't imagine this is an isolated problem, and wonder what other /.'s are doing to address it."

'Matrix Revolutions' Opens Today 1691

shelleymonster writes "The Matrix Revolutions was released worldwide at 9 AM EST today. With a running time of 2 hr. 9 min., I'm expecting the /. reviews to start pouring in around 11:30. Since critics are saying things like, "Matrix finale could put you back in a coma," and, "The final episode is a slam-bang, dreary mess," I'm curious to hear some real fans' reactions." Many readers have pointed to the BBC's review; they were not amused. Were you? Update: 11/05 17:17 GMT by T : Read on for one reader's (spoiler-free) first impression.
Businesses

Will Google Become Another Netscape? 299

kaluta asks: "The Economist has a typically clear and concise story about bringing Google to the stockmarket. Basically, is it going to be the next eBay or Amazon, or will it 'simply be the next overhyped share sale to make its founders rich only to wither away miserably, either for lack of a sustainably profitable business model, or, like Netscape, because it finds itself in the path of that mighty wrecker, Microsoft?' Cool picture too."
Christmas Cheer

Christmas Bonuses? 320

An anonymous reader asks: "I run a small startup company who was able to turn a buck during this past year. To say 'Thank you' to the employees who put in so much time and effort to get us financially stable I would like to give them a Christmas bonus. However, I've never received one before, so what is appropriate? I have 5 employees and I want to give them all the same bonus, but while I can afford about $1500 a person, is that too much? Would gifts be more appropriate then money? What are some bonuses the Slashdot crowd has received in the past?"
Programming

Bluetooth Application Programming? 42

Comatose51 asks: "I've been desperately trying to create an application that uses Bluetooth over the last month. I've been frustrated by the lack of good books and lack of hardware compatible with readily available Bluetooth APIs. While Microsoft added Bluetooth support into Windows XP since SP1, most hardware vendors do not use the Microsoft Bluetooth Stack. Instead, they use other proprietary stacks that costs money to obtain the SDKs and APIs for. I had to buy the Microsoft Bluetooth Mouse to get their Bluetooth Stack and a compliant adapter, which is still many times cheaper than what some companies charge for their APIs and SDKs. Java is the other (potentially better, easier) option but I haven't found any hardware vendors that state that they're Java (JSR-82) compliant. Is there really no easy way of developing Bluetooth applications for Windows? It is sad because Bluetooth holds so much promise. Thanks in advance." Might Bluetooth's problems stem from the fact that there is no consistent development platform for the technology?
Data Storage

Distributed Data Storage on a LAN? 446

AgentSmith2 asks: "I have 8 computers at my house on a LAN. I make backups of important files, but not very often. If I could create a virtual RAID by storing data on multiple disks on my network I could protect myself from the most common form on data failure - a disk crash. I am looking for a solution that will let me mount the distributed storage as a shared drive on my Windows and Linux computers. Then when data is written, it is redundantly stored on all the machines that I have designated as my virtual RAID. And if I loose one of the disks that comprise the raid, the image would automatically reconstruct itself when I add a replacement system to the virtual RAID. Basically, I'm looking to emulate the features of hi-end RAIDS, but with multiple PCs instead of multiple disks within a single RAID subsystem. Is there any existing technologies that will let me do this?"
Data Storage

Best Redundant Storage for Home Use? 101

Brad Mace asks: "Despite my hard drive's dedicated service, I'm aware that it will someday fail. I'm not really interested in burning 100 CD-Rs to backup my hard drive, so I've been looking at RAID solutions. Obviously I don't need the best or the fastest stuff out there. What would be a reasonable setup for personal use? Have people had better experiences with internal raid arrays, external raid towers, or networked storage such as Snap servers? I'm primarily interested in low price and ease of use."
Software

Open Source and Government Data Rights? 13

IAAL asks: "I am a long-time Slashdot lurker and I have an opportunity to speak to a group of tech folks who are involved in developing software for the federal government. Can anyone point me to any good information or discussions regarding the intersection of government data rights and open-source licensing? I am doing some research now and if I come across anything of note I will submit it here."

X17 Solar Flare Sends 2B Tons of Plasma at Earth 473

Dr. Zowie writes "This morning a very large solar flare erupted from a large sunspot group that is crossing the face of the Sun. The explosion sent over 2 billion tons of material hurtling across the solar system toward Earth. Movies from the SOHO spacecraft show the flare in UV and the associated coronal mass ejection in visible light as they happened, and the impact of high energy protons that the flare launched at about half the speed of light. NOAA's Space Environment Center shows that the Sun's X-ray brightness went up 100x during the flare. Expect more aurora and geomagnetic effects in the next day or two!"

Slashdot Top Deals