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15000RPM or Solid State?

534 Views 8 Replies 8 Participants Last post by  DuckieHo
Which is the fastest for an OS Boot?
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You do realize that 15k RPM drives are SCSI right?

SSD's are incredibly fast.. I've heard as low as 12 seconds from cold boot to OS.
id bet on some scsi/sas drives would compare more afforadably..

example: (from ebay of course)

perc 5i (the bundle ones) (i paid like 130$ with shipping two SAS-> satax4 cables battery ram etc..)

i also managed to pick up four SAS 15k maxtor 36GB drives for under 55$ shipped new! (waiting on cable for it)

purchased a cable from buy.com i think for like 40$ (im in a hurry to test the drives make sure everythings good. limited time to return lol)

so when you look at it, around 220$ for the lot.. also unlimited writes/erases.. and good space too! (and im guessing the benchmarks will prove to probably outdo an intel 80GB..) and they cost around 400$..

sure the intel SSD will have me beat in seek times, but il have it beat on price/bandwidth/write cycles

but if your looking for boot times.. perc 5i adds like 10 seconds for its own bios.. if not more.
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I run a pair of OCZ Core V2's as RAID 0 for boot.

my boot times isn't in the seconds, but this is a fully loaded workstation with sql server and more things that load during boot than I can count. Boot times under a normal disk - around 3.5 minutes from start to finish, I'd say the SSD's are around 1 minute or less.

total cost of two 32GB SSD's run around $200, which is less than my 73GB SAS drive cost
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Originally Posted by uberjon
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i also managed to pick up four SAS 15k maxtor 36GB drives for under 55$ shipped new! (waiting on cable for it)

where pray tell?
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Quote:

Originally Posted by uberjon View Post
id bet on some scsi/sas drives would compare more afforadably..

example: (from ebay of course)

perc 5i (the bundle ones) (i paid like 130$ with shipping two SAS-> satax4 cables battery ram etc..)

i also managed to pick up four SAS 15k maxtor 36GB drives for under 55$ shipped new! (waiting on cable for it)

purchased a cable from buy.com i think for like 40$ (im in a hurry to test the drives make sure everythings good. limited time to return lol)

so when you look at it, around 220$ for the lot.. also unlimited writes/erases.. and good space too! (and im guessing the benchmarks will prove to probably outdo an intel 80GB..) and they cost around 400$..

sure the intel SSD will have me beat in seek times, but il have it beat on price/bandwidth/write cycles

but if your looking for boot times.. perc 5i adds like 10 seconds for its own bios.. if not more.

For sheer OS boot speed, look no further than an SSD from OCZ or (dare'st I say it) Intel.

SCSI and SAS are nice and all, but you are going to need to be RAIDing drives to get them competitive with SSD. If you don't have onboard SAS (some X58 boards do, but the overwhelming majority of systems dont), you will need an add-in card of some sort for the interface (dont know of a single onboard-SCSI mobo).

This means more cards, more cables, more hassle. Not to mention, to upgrade later is going to be a HUGE pain.

Just get an SSD now, its where the world is going and can be as cheap as 250 bucks for 60GB (....not cheap, but you want something most people cant get anyway: a fast boot time).

~240 sustained read, ~220 sustained write http://benchmarkreviews.com/index.ph...1&limitstart=7

250 Bucks, imagine these in RAID: http://www.newegg.com/Product/Produc...82E16820227394
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Use SSD. Small random reads is what is boot is all about. NOthing beats SSD there. My cheapo 32G SSD boots linux on my laptop (T61, not the fastest SATA implementation) in under 15 seconds. With hard drive, it was more than 1.5 minutes. Get the fastest SSD u can afford.
SSD will definitely beat SCSI for ease of implementation. Not to mention the amount of space needed for the array. Sure SSD's cost more but they are small. I have seven drives in my case and all they really do is get in the way. They add heat to the system like crazy, and they suck more juice than a 6 year old on a 100 degree day.
SAS Controller + SATA SSD = Win.
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