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#1
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SATA drive questions + raid questions
hi,
i`m in the market for a new HDD (my maxtor 40gb just aint big enough) and i`m fancying making use of the 2x SATA ports on my a7n8x dlx mainboard. i`m liking western digital's offering of their 10,000 rpm 8mb cache SATA drive, but being only 36gb, it's just not big enough. is there any manufacture making a 10k rpm drive around the 80-120gb area? also, money permitting, i`m thinking about hitting the RAID striping scene, and if the drive is too expensive, then i`d add the 2nd drive at a later date. if i was todo this, i`d be running straight SATA for a while untill i can afford the 2nd HDD for RAID. will i be able to add the 2nd drive and setup a raid config without reinstalling winXP? thanks tim draper |
#2
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The 10,000 RPM drives are built for speed; great for OS and applications but not big enough for serious data storage. You will have to settle for a 7200 RPM drive. O |V| 3 G A wrote: hi, i`m in the market for a new HDD (my maxtor 40gb just aint big enough) and i`m fancying making use of the 2x SATA ports on my a7n8x dlx mainboard. i`m liking western digital's offering of their 10,000 rpm 8mb cache SATA drive, but being only 36gb, it's just not big enough. is there any manufacture making a 10k rpm drive around the 80-120gb area? also, money permitting, i`m thinking about hitting the RAID striping scene, and if the drive is too expensive, then i`d add the 2nd drive at a later date. if i was todo this, i`d be running straight SATA for a while untill i can afford the 2nd HDD for RAID. will i be able to add the 2nd drive and setup a raid config without reinstalling winXP? thanks tim draper -- Mike Walsh West Palm Beach, Florida, U.S.A. |
#3
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On Tue, 23 Sep 2003 13:30:25 +0000 (UTC), "O |V| 3 G A"
wrote: hi, i`m in the market for a new HDD (my maxtor 40gb just aint big enough) and i`m fancying making use of the 2x SATA ports on my a7n8x dlx mainboard. i`m liking western digital's offering of their 10,000 rpm 8mb cache SATA drive, but being only 36gb, it's just not big enough. is there any manufacture making a 10k rpm drive around the 80-120gb area? also, money permitting, i`m thinking about hitting the RAID striping scene, and if the drive is too expensive, then i`d add the 2nd drive at a later date. if i was todo this, i`d be running straight SATA for a while untill i can afford the 2nd HDD for RAID. will i be able to add the 2nd drive and setup a raid config without reinstalling winXP? thanks tim draper WD just introduced their 73gb 10k rpm Raptors. If they are anything like the 36gb ones, they will be very fast. Put one in a DB server which needed the speed and it is outstanding in performance. (Having a gig of ram, dual channel DDR helps as well). If you need speed, these are as fast as it gets without SCSI |
#4
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exactly why i want one of the 10k raptors. tomshardware.com did a comparison
on it, with the 36gb drive and it beat all but the maxtor SCSI u320 10k.6 drive (including other scsi u320 drives) looks like nowhere sells the 73gb yet (scan, dabs, komplett or ebuyer) but hopefully by the time i get some money and decide i want to invest in RAID SATA then there might be somewhere that sells it. atm, i`m looking at 2x maxtor 120gb SATA 7200rpm with 8mb cache. 2nd best to the raptor. tim "JT" datacare@localhost wrote in message s.com... On Tue, 23 Sep 2003 13:30:25 +0000 (UTC), "O |V| 3 G A" wrote: hi, i`m in the market for a new HDD (my maxtor 40gb just aint big enough) and i`m fancying making use of the 2x SATA ports on my a7n8x dlx mainboard. i`m liking western digital's offering of their 10,000 rpm 8mb cache SATA drive, but being only 36gb, it's just not big enough. is there any manufacture making a 10k rpm drive around the 80-120gb area? also, money permitting, i`m thinking about hitting the RAID striping scene, and if the drive is too expensive, then i`d add the 2nd drive at a later date. if i was todo this, i`d be running straight SATA for a while untill i can afford the 2nd HDD for RAID. will i be able to add the 2nd drive and setup a raid config without reinstalling winXP? thanks tim draper WD just introduced their 73gb 10k rpm Raptors. If they are anything like the 36gb ones, they will be very fast. Put one in a DB server which needed the speed and it is outstanding in performance. (Having a gig of ram, dual channel DDR helps as well). If you need speed, these are as fast as it gets without SCSI |
#5
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another thing i didnt ask - with a RAID1 (striping) setup, if 1 drive goes
down (ie, faulty drive) does it take the other HDD with it for some reason? or can i simply remove the faulty HDD, and revert back to a straight SATA setup, with the 2nd good drive ? tim "JT" datacare@localhost wrote in message s.com... On Tue, 23 Sep 2003 13:30:25 +0000 (UTC), "O |V| 3 G A" wrote: hi, i`m in the market for a new HDD (my maxtor 40gb just aint big enough) and i`m fancying making use of the 2x SATA ports on my a7n8x dlx mainboard. i`m liking western digital's offering of their 10,000 rpm 8mb cache SATA drive, but being only 36gb, it's just not big enough. is there any manufacture making a 10k rpm drive around the 80-120gb area? also, money permitting, i`m thinking about hitting the RAID striping scene, and if the drive is too expensive, then i`d add the 2nd drive at a later date. if i was todo this, i`d be running straight SATA for a while untill i can afford the 2nd HDD for RAID. will i be able to add the 2nd drive and setup a raid config without reinstalling winXP? thanks tim draper WD just introduced their 73gb 10k rpm Raptors. If they are anything like the 36gb ones, they will be very fast. Put one in a DB server which needed the speed and it is outstanding in performance. (Having a gig of ram, dual channel DDR helps as well). If you need speed, these are as fast as it gets without SCSI |
#6
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doh - should of been RAID0 (striping) - i was wrongly informed which was
mirroring and which was striping. tim "O |V| 3 G A" wrote in message ... another thing i didnt ask - with a RAID1 (striping) setup, if 1 drive goes down (ie, faulty drive) does it take the other HDD with it for some reason? or can i simply remove the faulty HDD, and revert back to a straight SATA setup, with the 2nd good drive ? tim "JT" datacare@localhost wrote in message s.com... On Tue, 23 Sep 2003 13:30:25 +0000 (UTC), "O |V| 3 G A" wrote: hi, i`m in the market for a new HDD (my maxtor 40gb just aint big enough) and i`m fancying making use of the 2x SATA ports on my a7n8x dlx mainboard. i`m liking western digital's offering of their 10,000 rpm 8mb cache SATA drive, but being only 36gb, it's just not big enough. is there any manufacture making a 10k rpm drive around the 80-120gb area? also, money permitting, i`m thinking about hitting the RAID striping scene, and if the drive is too expensive, then i`d add the 2nd drive at a later date. if i was todo this, i`d be running straight SATA for a while untill i can afford the 2nd HDD for RAID. will i be able to add the 2nd drive and setup a raid config without reinstalling winXP? thanks tim draper WD just introduced their 73gb 10k rpm Raptors. If they are anything like the 36gb ones, they will be very fast. Put one in a DB server which needed the speed and it is outstanding in performance. (Having a gig of ram, dual channel DDR helps as well). If you need speed, these are as fast as it gets without SCSI |
#7
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On Tue, 23 Sep 2003 21:51:42 +0000 (UTC), "O |V| 3 G A"
wrote: doh - should of been RAID0 (striping) - i was wrongly informed which was mirroring and which was striping. When one of the RAID 0 drives fails, the whole array is lost, no possible way to recover UNLESS you get the same drive working again. It would seem that you're trying to make a giant step in HDD usage when what you really should do first is just buy a normal, larger 7K2 drive, and gain some background knowledge & experience using arrays, BEFORE you need depend on one. RAID 0 arrays are a nice compliment to already-adequate storage space but not a suitable replacement for it. Since your system supports SATA you might go ahead and purchase an SATA drive, but if you buy only one you will have to re-FDISK and format when you add the second drive (later) to form the RAID 0 array. Meaning, you need enough storage space on _other_ drives to backup all that data first, unless you want to reinstall everything again, including the OS. By making the backup you will not need to reinstall the OS, just dupe the backup to the new array. Dave |
#8
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Raid 1 is mirroring, RAID 0 is striping. In RAID 1, because the data is
mirrored if one drive goes bad, the other takes over. Of course if a virus corrupts one drive, it corrupts the other as well. In RAID 0, striping, the data is alternated between the two drives. If one drive crashes, the data is lost even though the other drive is still good and usable. If you want raw speed, go RAID 0. If you want Data Integrity and Reliability, RAID 1. JT On Tue, 23 Sep 2003 16:12:04 +0000 (UTC), "O |V| 3 G A" wrote: another thing i didnt ask - with a RAID1 (striping) setup, if 1 drive goes down (ie, faulty drive) does it take the other HDD with it for some reason? or can i simply remove the faulty HDD, and revert back to a straight SATA setup, with the 2nd good drive ? tim "JT" datacare@localhost wrote in message ws.com... On Tue, 23 Sep 2003 13:30:25 +0000 (UTC), "O |V| 3 G A" wrote: hi, i`m in the market for a new HDD (my maxtor 40gb just aint big enough) and i`m fancying making use of the 2x SATA ports on my a7n8x dlx mainboard. i`m liking western digital's offering of their 10,000 rpm 8mb cache SATA drive, but being only 36gb, it's just not big enough. is there any manufacture making a 10k rpm drive around the 80-120gb area? also, money permitting, i`m thinking about hitting the RAID striping scene, and if the drive is too expensive, then i`d add the 2nd drive at a later date. if i was todo this, i`d be running straight SATA for a while untill i can afford the 2nd HDD for RAID. will i be able to add the 2nd drive and setup a raid config without reinstalling winXP? thanks tim draper WD just introduced their 73gb 10k rpm Raptors. If they are anything like the 36gb ones, they will be very fast. Put one in a DB server which needed the speed and it is outstanding in performance. (Having a gig of ram, dual channel DDR helps as well). If you need speed, these are as fast as it gets without SCSI |
#9
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If you want raw speed, go RAID 0. If you want Data Integrity and
Reliability, RAID 1. excuse my newbie atitude to RAID, but isnt RAID0 just as reliable as normal ata66/100/133? where as raid1 the chances of BOTH drives dying is somewhat slim, thus improving it's reliability factor at the end of the day, my pc is for home use only - for myself only, used primarly for gaming, so valuable data is not stored - data reliability is not that high on my list of prioritys, where as speed is. tim |
#10
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On Wed, 24 Sep 2003 11:07:33 +0000 (UTC), "O |V| 3 G A"
wrote: If you want raw speed, go RAID 0. If you want Data Integrity and Reliability, RAID 1. excuse my newbie atitude to RAID, but isnt RAID0 just as reliable as normal ata66/100/133? where as raid1 the chances of BOTH drives dying is somewhat slim, thus improving it's reliability factor at the end of the day, my pc is for home use only - for myself only, used primarly for gaming, so valuable data is not stored - data reliability is not that high on my list of prioritys, where as speed is. tim Simplified it is the chance of a failure goes up as the number of components involved increases, if the chance of each item failing is the still the same. So if the odds of asingle drive failing in a year is one in ten, the odds of one of 2 drives failing is two in ten, or 1 in 5. With the reliability of hard drives, this is not a major risk, but it is riskier than just a single drive failing. Doesn't mean not to use RAID 0. Means be aware of the cons as well as the pros. Also means you will still need a way to backup critical and important data as all mechanical devices will fail, it is just a matter of when. JT |
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