Currently Viewing Posts Tagged harddrive

SSD drive

I am shopping around for an netbook or light notebook. The main job is to read ebook, internet browse, blog writing.
The very interesting thing is I found some netbook has an option of drive, 8G SSD drive or 160G HDD drive, with almost same price.
What is SSD drive?
Based on Wikipedia article,

A solid-state drive (SSD) is a data storage device that uses solid-state memory to store persistent data. A SSD emulates a hard disk drive interface, thus easily replacing it in most applications. An SSD using SRAM or DRAM (instead of flash memory) is often called a RAM-drive.

I think SSD has no mechanical parts. So it should be very fast.
There are some Youtube clips support my point of view.

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Christmas gift is a set of Hardware

I bought the new hardware to upgrade my Desktop. Actually it is not an upgrade. It is almost brand new one.
I ordered them online with Ncix.com
Let me show you what I got.
31195 Palit Radeon HD 3870 512MB GDDR3 PCI-E DVI-I HDMI Video Card 1 $109.99 $109.99
24129 Antec Earthwatts 500W Power Supply ATX12V V2.2 Active PFC 80-PLUS 80MM Fan 1 $59.99 $59.99
19337 OCZ Platinum XTC REV.2 PC2-6400 2GB 2X1GB DDR2-800 CL4-4-4-15 240PIN DIMM Dual Channel Memory Kit 1 $44.99 $44.99
33181 Intel Pentium Dual Core E5200 Dual Core Processor LGA775 2.5GHZ 800FSB 2MB Retail Box 1 $99.99 $99.99
30574 Gigabyte EP43-DS3L ATX LGA775 P43 FSB 1600 OC 1PCI-E 2PCI DDR2 SATA2 HD Sound GBLAN Motherboard 1 $99.99 $99.99
Subtotal of these five items is $464.75.
And two days later I got one Harddrive $77.27 including tax.
I build my new desktop with six PC hardware parts. Total cost is $542.02

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Maxtor 200GB Harddisk

You may be noticed that this Blog can not be accessed yesterday. It is caused by hard disk failure.
The old SATA It is just passed one year. Based on the original one year warranty. This drive is out of warranty.
The quality control is so good. Maxtor said it is one year warranty. Disk failure happened when I use it about 380 days.
Ok, let me take a look at this new disk.
I have no time to shop around. Just go to FutureShop to catch this one.
I paid $124 including tax.
Maxtor 200GB 7200RPM Ultra Series Hard Drive Kit
Average Seek Time is 9.3ms, Data Buffer is 8 MB
Some strange thing is here.
The warranty period shown on Future Shop’s website is 1 year, and the label on the box.
I go to Maxtor website. Their warranty service page shown as below:

Maxtor retail-packaged products purchased on or after October 1, 2006 will carry the following Maxtor Standard Worldwide Warranty.
3 years warranty for ATA/SATA Internal Hard Drive Kits on North America

But, when I enter the s/n to check the warranty period here, it shows me one year only.
Finally I got it. Maxtor is now bought by Seagate. The most important notice is:

As of December 9th, 2006 warranty services for all Maxtor products are now fully supported through Seagate’s warranty services. To obtain warranty support for your product please proceed to the Seagate Warranty Support page for assistance.

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Data Recovery in Dynamic Volume

I do some search in the data recovery tools. Not for regular one. I need a tool which can recover the data in a dynamic volume.
This is a harddisk used in the Windows 2003 Server. I have two disks with RAID 1 as mirror.
Because of the power failure, the disk are damaged and can not be booted.
I can not even access the data in the dynamic volume.
Here are two tools I downloaded and tried last Sunday.
Data Recovery Wizard Professional 3.0 and Restorer2000 PRO 3.0
They all support dynamic volume recovery.
I just tried one disk and not for the completed test. I used the DEMO version only.
I feld the restorer 2000 Pro 3.0 is much quicker than Data Recovery Wizard Pro when scan the disk.
In the DEMO version, Restorer 2000 Pro can recover files with size up to 128 kb and preview all graphic, video and audio files even if their size is bigger than 128 kb.
If you just want to recover the small files, you don’t need to buy them. Restorer 2000 Pro is good for you.

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This site has problem over one day

Because of the power supply failed on saturday morning, the site is down over 24 hours.
I recovered over 99% data and support plat of this server.
After this crash, I am so happy I have the latest offline backup on DVD. I also have a disk mirror to get the latest seven posts I posted during last week.
So for the Server, the backup is very important. I’d like to discuss about disaster managerment and some usefull tools..

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PerfectDisk

Preface.
I wrote Diskeeper 10.0 on February 19, 2006 to recommand this product.
Later on March, Richard Moskowitz, contacted me from Raxco Software, Inc. whose main product is PerfectDisk. He suggested me to review their PerfectDisk 7 to get more broader choices in defrag tools.
It is a good idea. I accepted it.
Test bed.
I get a PerfectDisk NFR(not for resale) and install it in a windows 2000 box.
Windows 2000 pro sp4
1 GB ram
P4 2.4GHz
Intel 845 Chipset
Western Digital WD400BB
PerfectDisk 7
perfectdisk7

Word before Test Result
My test is not completed and the environment is not representative. I donot expect other person will get similar result even with the similar hardware, because I installed over 80 different software on this Windows, you may not.

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Inaccessible_boot_device error

Yesterday, I restart my computer. The closing tasks always ask me to force close the programs. I did not want to wait any more and decided to use the power button. The result is the following blue screen when I start it again.
bluescreen

Today, I have to fix it first to post this entry.
First of all, I try the Last Known Good Configuration by starting. It also gave me the blue face.
Ok, I have the Windows 2000 CD-ROM.
I used the Windows Recovery Console to fix it and it works.
Let me show you the details about it.

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Diskeeper 10.0

I tried a lot of disk optimization tools. I recommend Diskeeper 10.0 for the current market because of its advanced features.
diskeeper10

The version I tested is Diskeepre 10 Professional Premier, which has Intelligent File Access Acceleration Sequencing Technology (I-FAAST) .
Let me introduce some for this product.
Targeted performance for your most demanding users
Your organization has spent thousands of dollars on powerful workstations for your power users. Not only does Diskeeper 10 Professional Premier Edition keep them running at top speed, but it actually gives these systems improved performance above defragmentation alone, for your user’s most important tasks. How is that possible? The answer lies with new breakthrough I-FAAST™ technology, exclusive to Diskeeper 10.
Intelligent File Access Acceleration Sequencing Technology (I-FAAST) improves file access and creation by up to 80% (average 10%-20%). Using specially-engineered benchmarks Diskeeper learns disk performance characteristics, and then transparently monitors volumes over time for file access frequency applying proprietary techniques to prevent Diskeeper from being “fooled” by files that have been recently accessed. During special I-FAAST defragmentation jobs, Diskeeper organizes the most commonly used files and applications to increase file access performance. Like other intelligent technologies featured in Diskeeper 10, I-FAAST can automatically adapt to changing usage patternsso there’s no need to reconfigure if the system is transferred to another user.

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SATA Harddisk

I just bought a Maxtor SATA hard drive from Staples. It is $80. including tax. This is 100GB Diamondmax 10 hard disk.
The only thing I don’t like is it is only 1 year warranty. Open the box, there are a SATA interface cable, 4 mounting screws, a MaxBlast CD, a Menu and the hard disk.
I install it on my K8V-X motherboard whose chipset is VIA K8T800 and VIA VT8237. VT8237 supports SATA upto 150MB/second data transfer rate.
It is a brand new install with Win XP.
First of all, enable the SATA support in the BIOS setting.
Advanced >> Onboard Devices Configuration >> OnChip SATA Boot ROM [Enabled].
Secondly, boot from the MaxBlast CD. I chose “New Windows 2000 or XP System”, then made a partition about 25GB with NTFS format.
Thirdly, download the VIA driver for SATA. Download file. Unzip it and copy them into a floppy disk.
Now boot the system from my Windows XP installation CD. When prompted to install a third-party SCSI or RAID driver. press the F^ key then S when prompted, to specify additional devicces.

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Build RAID 1

I used my old 60GB harddisk, which replaced by previously mentioned 160GB new disk, to made a RAID1 array with another 40GB harddisk. Actual capacity I can use is 40GB. 20GB is wasted.
Following is the technical explaination of RAID Level 1
Common Name(s): RAID 1; RAID 1 with Duplexing.
Technique(s) Used: Mirroring or Duplexing
Description: RAID 1 is usually implemented as mirroring; a drive has its data duplicated on two different drives using either a hardware RAID controller or software (generally via the operating system). If either drive fails, the other continues to function as a single drive until the failed drive is replaced. Conceptually simple, RAID 1 is popular for those who require fault tolerance and don’t need top-notch read performance. A variant of RAID 1 is duplexing, which duplicates the controller card as well as the drive, providing tolerance against failures of either a drive or a controller. It is much less commonly seen than straight mirroring.
z_raid1
Illustration of a pair of mirrored hard disks, showing how the
files are duplicated on both drives. (The files are the same as
those in the RAID 0 illustration, except that to save space I have
reduced the scale here so one vertical pixel represents 2 kiB.)

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