Page 1 of 2 12 LastLast
Results 1 to 16 of 21

Thread: SAS Drive in home PC

  1. #1
    Senior Member
    Join Date
    Oct 2006
    Location
    London
    Posts
    438
    Thanks
    3
    Thanked
    6 times in 5 posts
    • topgun23's system
      • Motherboard:
      • GA-P31-dsl
      • CPU:
      • e2200
      • Memory:
      • 2 gb corsair
      • Storage:
      • 2 samsungs 360 + 1t
      • Graphics card(s):
      • 9600gt
      • PSU:
      • Corsair 450vx
      • Case:
      • Antec three hundred
      • Operating System:
      • Vista 64bit
      • Monitor(s):
      • HP pavilion mx70
      • Internet:
      • o2 8mb

    SAS Drive in home PC

    Hi all, Just wondered how you would go about putting 2 SAS single port drives into a normal home PC?

    Cheers

  2. #2
    TiG
    TiG is offline
    Walk a mile in other peoples shoes...
    Join Date
    Jul 2003
    Location
    Questioning it all
    Posts
    6,213
    Thanks
    45
    Thanked
    48 times in 43 posts
    SAS isn't designed for a home PC, i'm assuming if you wanted to go down that line you could see if there where any SAS - 5 1/4 drive bay drive trays.

    But SAS is designed for high density small u servers where you are trying to stick 6 drives in a 2U unit etc

    You've got a good scsi card too i assume?.

    TiG

  3. #3
    Fried Chip Extremist alsenior's Avatar
    Join Date
    Nov 2005
    Location
    Stafford
    Posts
    2,948
    Thanks
    102
    Thanked
    191 times in 145 posts
    • alsenior's system
      • Motherboard:
      • DFI Lanparty Jr x58-T3H6
      • CPU:
      • Core i7 920
      • Memory:
      • 6 x 2GB ocz Gold
      • Storage:
      • 1 TB Samsung F3
      • Graphics card(s):
      • 1gb 4890 vapor-x xfire
      • PSU:
      • xfx 850W
      • Case:
      • Lian-li Pc7
      • Operating System:
      • Windows 7 X64
      • Monitor(s):
      • Dell 2208WFP
      • Internet:
      • 30mb Virgin media
    sas is too over the top for home pc's not to mention expensive.

    the best bet would be an array of Western digital raptors on a 3ware or areca hardware controller
    Quote Originally Posted by Jay View Post
    What kind of emergency would need Windows 95? I think you are already in a bad state of emergency when your backup plan is Windows 95.
    Beginners guide to raid Beginners guide to raid post edition Hexus.Social - FAQ

  4. #4
    YUKIKAZE arthurleung's Avatar
    Join Date
    Feb 2005
    Location
    Aberdeen
    Posts
    3,280
    Thanks
    8
    Thanked
    88 times in 83 posts
    • arthurleung's system
      • Motherboard:
      • Asus P5E (Rampage Formula 0902)
      • CPU:
      • Intel Core2Quad Q9550 3.6Ghz 1.2V
      • Memory:
      • A-Data DDR2-800 2x2GB CL4
      • Storage:
      • 4x1TB WD1000FYPS @ RAID5 3Ware 9500S-8 / 3x 1TB Samsung Ecogreen F2
      • Graphics card(s):
      • GeCube HD4870 512MB
      • PSU:
      • Corsair VX450
      • Case:
      • Antec P180
      • Operating System:
      • Windows Server 2008 Standard
      • Monitor(s):
      • Dell Ultrasharp 2709W + 2001FP
      • Internet:
      • Be*Unlimited 20Mbps
    Quote Originally Posted by alsenior View Post
    sas is too over the top for home pc's not to mention expensive.

    the best bet would be an array of Western digital raptors on a 3ware or areca hardware controller
    If you look at ebay, you can see insanely cheap Dell SAS cards and SAS drives

    They're even cheaper than software SATA RAID cards.

    I'm about to buy one of those cards for external RAID since I'm planning to move to shuttle.
    Workstation 1: Intel i7 950 @ 3.8Ghz / X58 / 12GB DDR3-1600 / HD4870 512MB / Antec P180
    Workstation 2: Intel C2Q Q9550 @ 3.6Ghz / X38 / 4GB DDR2-800 / 8400GS 512MB / Open Air
    Workstation 3: Intel Xeon X3350 @ 3.2Ghz / P35 / 4GB DDR2-800 / HD4770 512MB / Shuttle SP35P2
    HTPC: AMD Athlon X4 620 @ 2.6Ghz / 780G / 4GB DDR2-1000 / Antec Mini P180 White
    Mobile Workstation: Intel C2D T8300 @ 2.4Ghz / GM965 / 3GB DDR2-667 / DELL Inspiron 1525 / 6+6+9 Cell Battery

    Display (Monitor): DELL Ultrasharp 2709W + DELL Ultrasharp 2001FP
    Display (Projector): Epson TW-3500 1080p
    Speakers: Creative Megaworks THX550 5.1
    Headphones: Etymotic hf2 / Ultimate Ears Triple.fi 10 Pro

    Storage: 8x2TB Hitachi @ DELL PERC 6/i RAID6 / 13TB Non-RAID Across 12 HDDs
    Consoles: PS3 Slim 120GB / Xbox 360 Arcade 20GB / PS2

  5. #5
    Senior Member
    Join Date
    Oct 2006
    Location
    London
    Posts
    438
    Thanks
    3
    Thanked
    6 times in 5 posts
    • topgun23's system
      • Motherboard:
      • GA-P31-dsl
      • CPU:
      • e2200
      • Memory:
      • 2 gb corsair
      • Storage:
      • 2 samsungs 360 + 1t
      • Graphics card(s):
      • 9600gt
      • PSU:
      • Corsair 450vx
      • Case:
      • Antec three hundred
      • Operating System:
      • Vista 64bit
      • Monitor(s):
      • HP pavilion mx70
      • Internet:
      • o2 8mb
    Lets say I have the drives - what would I need to intergrate into my system?
    Cheers for the replys

  6. #6
    TiG
    TiG is offline
    Walk a mile in other peoples shoes...
    Join Date
    Jul 2003
    Location
    Questioning it all
    Posts
    6,213
    Thanks
    45
    Thanked
    48 times in 43 posts
    A card that can connect SAS drives into it and if you are re-installing a machine with these as the main drives the windows drivers to control them.

    Then obviously they won't stay in 3.5 or 5.25" drive bays unassisted so you'd want to have some way of securing them in your PC.

    TiG

  7. #7
    Registered+
    Join Date
    Nov 2006
    Posts
    20
    Thanks
    0
    Thanked
    2 times in 2 posts
    Beware that many of the SAS cards don't come with cables, and these cables are anything but cheap (£40+).

    I personally use a Dell PERC 5/i (which is just an LSI 8404 rebadged - you can even use LSI firmware) in my home servers. It absolutely flies!

    Hope this helps,

    Sam

  8. #8
    Registered User
    Join Date
    Aug 2007
    Posts
    9
    Thanks
    0
    Thanked
    0 times in 0 posts
    Just the thread i'm looking for

    I set up a new fileserver this week, with a perc5/i from ebay, and could use any tweaking tips that you could give. BTW, you can get the cables (SFF8484 to 4x SATA) sata cables @£10 each from a company called Span.

    Using 4x500gb seagate 7200.10's, server 2003 x64, latest drivers i could find on dell's ftp site. I made sure to remove the jumpers so the disks are running in sata2 mode.

    HDTach reports this, running in Raid5 mode:
    [can't post screenshot until >5 forum posts]
    Burst read - 427.4
    average read - 109.5, and a flat line in the graph all the way along from 0-1.5TB
    Random access - 13ms

    Not too shabby, but nowhere close to what i was expecting from reviews around,including a hexus review of the lsi 8408e controller that the perc is based on, and 4 7200rpm disks in an almost identical setup.
    I was expecting 160MB/s + sequential reads. Have tried anything i can think of, including trying a raid0 array with the same disks, and i'm still capped at just over a hundred MB/s (although my random access times were much better ~5.9ms).
    Bursts seem to be fine though, which is confusing me. Playing around with stripe size, caching and read-ahead doesn't make a lot of difference, except to burst speed.

    Please throw any ideas at me, i'll give it another couple of weeks before i give up and start moving my data on.

    Thanks, Neil

  9. #9
    Flat cap, Whippets, Cave. Clunk's Avatar
    Join Date
    Jan 2006
    Posts
    11,056
    Thanks
    360
    Thanked
    725 times in 459 posts
    Quote Originally Posted by neils58 View Post
    Just the thread i'm looking for

    I set up a new fileserver this week, with a perc5/i from ebay, and could use any tweaking tips that you could give. BTW, you can get the cables (SFF8484 to 4x SATA) sata cables @£10 each from a company called Span.

    Using 4x500gb seagate 7200.10's, server 2003 x64, latest drivers i could find on dell's ftp site. I made sure to remove the jumpers so the disks are running in sata2 mode.

    HDTach reports this, running in Raid5 mode:
    [can't post screenshot until >5 forum posts]
    Burst read - 427.4
    average read - 109.5, and a flat line in the graph all the way along from 0-1.5TB
    Random access - 13ms

    Not too shabby, but nowhere close to what i was expecting from reviews around,including a hexus review of the lsi 8408e controller that the perc is based on, and 4 7200rpm disks in an almost identical setup.
    I was expecting 160MB/s + sequential reads. Have tried anything i can think of, including trying a raid0 array with the same disks, and i'm still capped at just over a hundred MB/s (although my random access times were much better ~5.9ms).
    Bursts seem to be fine though, which is confusing me. Playing around with stripe size, caching and read-ahead doesn't make a lot of difference, except to burst speed.

    Please throw any ideas at me, i'll give it another couple of weeks before i give up and start moving my data on.

    Thanks, Neil
    I also got my mini SAS cables from span. They have a bizarre amount of varieties of the same product, and I managed to pick up the cables I was after for about £7 each plus postage, and they were absolutely identical to the adaptec ones @ £23 each, and they arrived the next day by RMSD
    Quote Originally Posted by Blitzen View Post
    stupid betond belief.
    You owe it to yourself to click here really.

  10. #10
    Registered User
    Join Date
    Aug 2007
    Posts
    9
    Thanks
    0
    Thanked
    0 times in 0 posts
    Quick update - In the last few hours i put the 4 disks on the onboard nvidia raid (board is nforce 570 sli based) in a raid0 stripe, and was still only managing ~100MB/s. The drives all bench fine individually at around 70MB/s, so it might be a mobo/windows issue, unless the nvidia raid is crap and couldn't manage more than 100MB/s anyway.

  11. #11
    Agent of the System ikonia's Avatar
    Join Date
    May 2004
    Location
    South West UK (Bath)
    Posts
    3,734
    Thanks
    39
    Thanked
    75 times in 56 posts
    Home raid controllers are crap - full stop.

    True SAS technology is aimed at the server market.

    I'd be interested in where you picked up 500gig SAS disks as I thought the max available was around 350GB.
    It is Inevitable.....


  12. #12
    Registered User
    Join Date
    Aug 2007
    Posts
    9
    Thanks
    0
    Thanked
    0 times in 0 posts
    They arn't SAS disks, they are Sata Seagate Barracuda 7200.10 disks.

  13. #13
    Senior Member
    Join Date
    Jan 2004
    Location
    Leicestershire
    Posts
    1,211
    Thanks
    6
    Thanked
    31 times in 30 posts
    • madman045's system
      • Motherboard:
      • P9X79 Pro
      • CPU:
      • I7-3820
      • Memory:
      • 32GB
      • Storage:
      • Not enough!
      • Graphics card(s):
      • HD7970
      • PSU:
      • 850w Corsair
      • Case:
      • Corsair Carbide 300R
      • Operating System:
      • Win 7 Ultimate X64
      • Monitor(s):
      • Dell U2713HM & 2007WFP
      • Internet:
      • Plusnet FTTC - 30mbit/7mbit
    Just to give you an idea, the 1st one is a raid 1 array on a perc 5i controller in a dell poweredge 2900, the 2nd one is a second array on the same controller, raid 10

    All the drives are 146gb 15k sas drives




  14. #14
    Registered User
    Join Date
    Aug 2007
    Posts
    9
    Thanks
    0
    Thanked
    0 times in 0 posts
    Thanks Madman.

    When i get home i'm going to try the drives outside of my sata backplane, on the remote chance that that is causing my bottleneck.

    Once i reach 5 posts, i'll post my hdtach benches, my graph is a reasonably flat line, with no dropoff in speed along the graph.

  15. #15
    Flat cap, Whippets, Cave. Clunk's Avatar
    Join Date
    Jan 2006
    Posts
    11,056
    Thanks
    360
    Thanked
    725 times in 459 posts
    Sata RAID 5 FTW

    Quote Originally Posted by Blitzen View Post
    stupid betond belief.
    You owe it to yourself to click here really.

  16. #16
    Registered User
    Join Date
    Aug 2007
    Posts
    9
    Thanks
    0
    Thanked
    0 times in 0 posts
    Nice Clunk - is that 6 and 7 320gb 7200rpm drives there?

    Removing the drives from the backplane seems to have made no difference, i'm going to try a 32bit OS tommorow. I put 32bit Ubuntu on there as a dual boot tonight and was getting 800MB/s bursts and 170mb reads from a 4 drive raid0 using hdparm - which, whilst better than my server 2003 x64 install, is still not where i'd expect to be on that setup.

    I also 'modded' the raid controller, noticed the heatsink was getting very hot, so i attached a 40mm fan onto it.
    Last edited by neils58; 04-08-2007 at 02:25 AM.

Thread Information

Users Browsing this Thread

There are currently 1 users browsing this thread. (0 members and 1 guests)

Similar Threads

  1. Drive configuration
    By [GSV]Trig in forum PC Hardware and Components
    Replies: 2
    Last Post: 28-03-2006, 10:59 AM
  2. hard drive
    By lodore in forum PC Hardware and Components
    Replies: 6
    Last Post: 12-03-2006, 02:20 PM
  3. Drive Image7...not doing what it says :(
    By Zak33 in forum Software
    Replies: 13
    Last Post: 02-11-2004, 09:50 PM
  4. SATA Drive questions
    By Nick in forum PC Hardware and Components
    Replies: 25
    Last Post: 14-04-2004, 03:29 PM

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •