Case:When the customer backup the data, he accidentally touched the backup hard disk to the ground, and then connected the computer to find that the computer speed was dragged very slowly.The customer immediately searched the information through the Internet and found that it should be a hard disk and hardware.The customer’s hard disk is an…
Is there any way that I can force a program that normally requires administrator privileges (via UAC) to run without them? (ie: no UAC prompt and no system-wide access.) Added: Without modifying the executable itself. In spite of James’s answer, I have found a few ways that it can almost be done: By modifying the…
HDD Printed circuit board (PCB) with board number 2060-800001-002 is usually used on these Western Digital hard disk drives: WD60EZRZ-00RWYB1, DCM HARCKTJMAB, Western Digital 6TB SATA 3.5 Hard Drive; WD60EFRX-68MYMN1, DCM HBRCKTJMAB, Western Digital 6TB SATA 3.5 Hard Drive; WD60EFRX-68MYMN1, DCM HANCKTJMAB, Western Digital 6TB SATA 3.5 Hard Drive; WD60EFRX-68MYMN1, DCM EBNCKTJAAB, Western Digital 6TB…
When small to medium-sized users need more storage capacity and faster backups than they can achieve with 8mm or DDS backups, there are two new formats to choose from.
Digital Linear Tape (DLT) systems have been available since 1985, but recent increases in both speed and capacity have given the technology a new lease on life. In fact, for small to medium-sized systems they have been the leading technology for the last several years. DDS or DAT tapes were the only competitors for DLT in that market, but the tape heads had a tendency to ‘drift’ which meant technicians had to monitor them to ensure storage. DLT reliability is based on a ‘straight up and down’ recording mode.
Earlier this year, the introduction of Super DLT brought a tremendous boost in performance. Super DLT can store as much as 110 gigabytes on one cartridge, at a speed of 10 megabytes per second. With the speed of backup doubled, and capacity more than doubled, the technology can now reach ‘up’ to systems and networks that DLT previously couldn’t handle.
Competing technologies can offer very fast backups, but the tapes themselves contain very little data – hundreds of megabytes as opposed to hundreds of gigabytes that DLT offers.
Another technology has recently emerged that is comparable to DLT. That is LTO or Linear Tape Open, a consortium product from Seagate, IBM and Hewlett-Packard. LTO can put 100 gigabytes on a cartridge at up to 15 megabytes per second.
For cautious system administrators who don’t wish to try LTO, one technician said DLT is a more than acceptable choice: “Thirty million cartridges and a million tape drives can’t be wrong.”
Of course, Super DLT incorporates a good deal of new technology as well, so even though LTO is completely new technology, it “has a nice road map in front of it.” Super DLT uses a new recording format, but it does maintain a limited form of backwards compatibility with previous iterations of DLT. It incorporates the ability to read older tapes, although it cannot write to them, which means it would probably be most useful in allowing organizations to maintain their present archives in a useable form. Where users have thousands of tapes in their libraries, there can be a considerable saving in time and money if older tapes don’t have to be re-recorded on to newer ones. For those users who are moving from 8mm or DDS format systems, and committed to re-recording all their data, then there may be little to choose between LTO and Super DLT systems.
Today’s demands for storage capacity are increasing, and if anything there is going to be more pressure on our ability to back up, store, protect and retrieve data. Low to medium size users now have a choice: Super DLT, based on generations of iterative development and refinement, or LTO, new technology from a high-powered and stable group of technology companies.
Present archives in a useable form. Where users have thousands of tapes in their libraries, there can be a considerable saving in time and money if older tapes don’t have to be re-recorded on to newer ones. For those users who are moving from 8mm or DDS format systems, and committed to re-recording all their data, then there may be little to choose between LTO and Super DLT systems.
Case:The hard disk of customers and friends, the failure is unknown, only the data cannot be read.Power -powered detection, rhythmic knocking, accompanied by squeak friction.Initially judged that after the hard disk was damaged, the customer tried to power several times, and the internal damage intensified.It is possible that the data area is scratched. Solution:In the…
Our computers have been upgraded to HP EliteBook 8570p machines and while they’re very nice machines, they are also very large — so large that the left Ctrl key is too far away, making Ctrl+V really difficult to do with one hand. I’m sure there are ways to re-map the keys so that their signal…
WD® announced that it is now shipping WD VelociRaptor® 450 GB and 600 GB hard drives, the next generation of its 10,000 RPM SATA family of hard drives. The new WD VelociRaptor hard drive is designed for blade servers, high-performance PCs, Mac® computers, professional workstations, as well as 1U and 2U rack servers that require a balance of high performance and capacity. As the only 10,000 RPM SATA hard drive on the market today, and a favorite amongst enthusiast and enterprise groups, the WD VelociRaptor hard drive now comes packed with twice the capacity and up to 15% performance increase over the previous generation.
The most popular hard drive for high-performance enthusiasts who demand the ultimate SATA drive, the WD VelociRaptor hard drive is built with enterprise-class mechanics that provide 24×7 durability under high-performance demands and packs up to 600 GB of capacity into a 2.5-inch enterprise form factor. The WD VelociRaptor drive is also available in the IcePack™* enclosure, a 3.5-inch mounting frame with a built-in heat sink – a factory customization that fits the drive into a standard 3.5-inch system bay and keeps this powerful drive extra cool when installed in a high-performance desktop chassis and 3.5-inch HDD form factor enterprise chassis.
“WD is a leader in the performance and reliability of enterprise SATA hard drives, Demand for performance combined with an increase in capacity continues to rise and WD is the leader in this category. WD customers can rely on the new WD VelociRaptor to deliver high performance under the harshest conditions, while continuing to keep user data safe.” – said Tom McDorman, vice president and general manager of WD’s enterprise business unit.
Features of WD VelociRaptor hard drives include:
Price and Availability:
WD VelociRaptor (model WD4500HLHX and WD6000HLHX – 3.5-inch version with IcePack) hard drives are available now at select distributors and resellers. WD VelociRaptor 2.5-inch hard drives (model WD4500BLHX and WD6000BLHX) are under evaluation with OEM customers and will be available through select commercial distributors within this quarter. Manufacturer’s Suggested Retail Price (MSRP) for the WD VelociRaptor 450 GB (model WD4500HLHX) is $299 USD and the 600 GB (model WD6000HLHX) is $329 USD. WD VelociRaptor Online Stores
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What should I use for removing thermal paste: acetone or isopropyl alcohol? Some say acetone is the best thing for the task, others say it’s a no-no. Who should I believe? Solution: From many years of removing thermal paste I’ve found my favorite to be WD-40, and then isopropyl for cleaning up the oils left…
Case:The client is Mr. Wang, Futian District. It uses Kingston Kingston 4G super disk to fail. It shows that there is no reaction to inserting the computer. The customer detects hardware damage in the local computer maintenance institution and cannot restore the data. There are document data such as financial statements.The customer sends the fault…
