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참고..
정종인
조회 : 711 ,2001/12/27 19:41 |
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>raid기능을 쓰면 두개의 하드를 하나로 인식해서 사용한다구 들었는데요.
>만약에 용량이 다른 두개를 장착할때... 속도가 틀리면 어떻게 되는지요..
>33이랑 100을 붙였을때... 그땐 33을 따라가는지요...
>아~그리고... 구형 보드에ata100을가능하게하는 카드에...33이나 66을 붙여두 상관없는지요... 알구싶네요
>가능하시다면 raid기능에 관해서두 자세히....
전에 레이드를 쓸려다가 하드 용량이 달라서 결국 포기했었습니다.
저의 경우는 40기가와 30기가 이렇게 두개가 있었습니다.
그리고 그때 제가 레이드 카드를 산이유중 하나는..
BX보드를 썼기때문에 최대 지원이 ata33이였습니다.
가지고 있는 하드는 ata100을 지원하는데 메인보드에서 지원을 못해서 제속도를 못내서 그냥 레이드 카드를 써서 ata100으로 사용을 했었습니다.
전보다 체감속도에서 차이가 나더군요.
그리고 소음도 많이 줄어들고요.
레이드를 쓰면 보통 다른 하드를 2개 연결하면.
적은 용량으로 따라갑니다.
속도도 느린 하드를 따라가는것으로 알고있습니다.
그리고 시게이트 바리쿠타 4던가?
시게이트 하드는 레이드로 연결해도 속도 향상이 안된다는 글도 다른사이트에 나와있습니다.
저 자세한 내용을 보고 싶으시면 브레인박스,케이벤치,테크노아에서 검색하시면 나올것입니다. 속도향상때문에 레이드를 구성하신다면 별로 추천해드리고 싶지 않습니다.
지금 시기가 좀 안좋다고 생각이 되기 때문입니다.
HPT370칩셋은 나온지 조금 오래된 칩셋입니다.
프라미스도 있지만.. 국내에선 요즘들어 보기 힘든제품입니다.
각 제품마다 특징이 있겠지만...
아마 내년에는 ATA133하드가 많이 나오면 거기에 맞는 제품도 국내에서도 많이 출시가 되리라고 생각됩니다.
보통 동영상 작업같은 작업을 하시는분에게는 권해드리고 싶습니다.
밑에는 참고 글들입니다.
HPT370 BIOS: Raid/Setup functions
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To enter the HPT370 BIOS setup and RAID utility, press Control + H when the HPT370 BIOS text
is first displayed during the boot process.
The setup menu also allows users to change mode settings for hard drives attached to the HPT366
controller, and select which drive will function as the boot unit.
IDE Device Mode settings:
UDMA4+, 5: ATA-100 devices
UDMA4, UDMA3: ATA66 drive settings (UDMA4 is optimal)
UDMA0-2: ATA33 device settings
PIO1-4: Pre or Non-ATA33 IDE device settings
MW-DMA: Older hard drives and CD-ROM devices (usually auto-detected)
Note: Some IDE devices have settings that can not be altered.
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CREATING A RAID ARRAY WITH HARD DISKS ATTACHED TO THE HPT370
STRIPE ARRAY - Recommended for High-Performance (2-4 disks required)
(속도가 향상되는 기술)
1. Select the "Create RAID" selection from the main menu
2. Select "Striping (RAID 0)" in the "Array Mode" pop-up menu
3. Select the disk drives to be used with the "Select Disk Drives" selection
4. Select the appropriate block size in the "Block Size" pop-up menu
5. Select the "Start Creation Process" selection
MIRROR ARRAY - Recommended for Data Security (2 disks required)
1. Select the "Create RAID" selection from the main menu
2. Select "Mirror (RAID 1)" in the "Array Mode" pop-up menu
3. Select the disk drives to be used with the "Select Disk Drives" selection
Note: The source disk must be smaller or equal to the target disk.
4. Select the "Start Creation Process" selection
STRIPING + MIRROR ARRAY (RAID 0 + 1) - Recommended for High-Performance with
Data Security (3-4 disks required)
1. Select the "Create RAID" selection from the main menu
2. Select "Striping + Mirror (RAID 0+ 1)" in the "Array Mode" pop-up menu
3. Select the disk drives and/or RAID 0 arrays to be used with the "Select
Disk Drives" selection
Note: The source disk/array must be smaller or equal to the target
disk/array.
4. Select the "Start Creation Process" selection
SPANNING (JBOD) (2-4 disks required)
1. Select the "Create RAID" selection from the main menu
2. Select "Spanning (JBOD)" in the "Array Mode" pop-up menu
3. Select the disk drives to be used with the "Select Disk Drives" selection
4. Select the "Start Creation Process" selection
DELETING A RAID ARRAY FROM THE HPT370
1. Select the "Delete RAID" selection from the main menu
2. Select the RAID Array from the "Channel Status" menu
3. Confirm the deletion of the RAID Array.
CREATING A DUPLICATED DISK (required for preparation of mirror arrays with
disks containing data)
1. Select the "Duplicate Mirror Disk" selection from the main menu
2. Select the Source Disk to be copied
Note: The source disk must be smaller or equal to the target disk.
3. Select the Target Disk to be duplicated
4. Select the "Start Duplication Process" selection
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HIGHPOINT TECHNICAL SUPPORT AND SERVICE
If you have questions about installing or using your HighPoint product,
check the user's guide or readme file first, you will find answers to
most of your questions here. If you need further assistance, please
contact us. We offer the following support and information services:
1. The HighPoint Web Site provides information on software upgrades,
answers to common questions, and other topics. The Web Site is
available from Internet 24 hours a day, 7 days a week, at
http://www.highpoint-tech.com.
2. For technical support, send e-mail to support@highpoint-tech.com
NOTE: Before you send an e-mail, please visit our Web Site
(http://www.highpoint-tech.com) to check if there is a new or updated
HPT370 device driver for your operating system.
Q: What does the RAID 0 "Striping" feature do?
A: RAID 0 (Striping) configures multiple drives so that sectors of data are interleaved within an array. When a disk member fails, it affect the entire array. Performance is better than a single drive since the workload is balanced between array members. This array mode is designed for high performance systems. Identical drives are recommended for performance as well as data storage efficiency. The disk array data capacity is equal to the number of drive members times the smallest member capacity.
Q: What does the RAID 1 "Mirroring" feature do?
A: RAID 1 (Mirroring) configures an array of 2 drives to write duplicate data and read in parallel. The HPT370 performs reads using advanced data handling techniques that distribute the workload in a more efficient manner than using a single drive. When a read request is made, the HPT 370 selects the drive positioned closest to the requested data, then looks to the idle drive to perform the next read access.
Q: What does the RAID 0+1 "Striping + Mirroring" feature do?
A: RAID 0+1 (Striping + Mirroring) is a combination of both striping and mirroring. It can increase performance by reading and writing data in parallel while protecting data with duplication. A minimum of three drives, two of which are in a stripe array, are needed to enable this feature. This feature allows for mirroring two stripe arrays together or one stripe array with a single disk. The data capacity is similar to a standard Mirroring array with half of total capacity dedicated for redundancy.
Q: How do I use the RAID 1 "Mirroring" feature?
A: Make sure that the size of the source disk is less than or equal to the size of the target disk before trying to perform the RAID 1 "Mirroring" feature.
Q: Why do I only see one drive when I run Fdisk after striping or mirroring 2 disks?
A: When creating an array, the HPT370 creates a virtual drive from the disks in the array. The array of disks can be partitioned and formatted as a single disk.
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