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LSISAS 2108 8-port PCI-E SAS-2 controller

Posted on 2014-03-27
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Here is the device being used for the RAID controller:   LSISAS 2108 8-port PCI-E SAS-2 controller

Will all the Sata ports on the motherboard be accessible via this card and will an external controller card be able to combine with the on board sata ports?

  8-port (8 internal) 6Gb/s per port
    Supports RAID 0, 1, 5, 6, 10, 50, 60
    On board hardware IO Processor
    512MB 800MHz DDR2 on-card cache
    Advanced array configuration and management utilities
    Automatically negotiates PCI-E link widths
    Power management support
    Supports 1.5, 3.0 and 6.0 Gb/s SAS and SATA data transfer rates
    Port independent auto-negotiation
    Supports SSP, SMP, STP and SATA protocols
    Optional Battery Backup Unit for cached data protection (BTR-0018L-0000-LSI) - operating temperature (Ambient) from 10C° - 45C°
    OS Support : Windows XP/2003/2008/Vista, RedHat Enterprise and SUSE Linux
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Question by:KonfigurationKing
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dlethe earned 500 total points
ID: 39960784
No, none will.  You don't connect SATA ports from the MB into this card. You connect SATA (or SAS) devices into this card.   Meaning .. .the disk plugs into this controller via cabling.  Your motherboard SATA ports connect to their own drives.
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by:KonfigurationKing
ID: 39960810
what type of cable do I need to connect this device then?
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by:dlethe
dlethe earned 500 total points
ID: 39960835
that depends.  are the drives internal or external.  Are they in an enclosure with an expander?

Look at it this way, what connector(s) do the drives attach to. You already know what the options are for the controller card.
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by:KonfigurationKing
ID: 39962846
It is SATA drives....so what type of cable is connected to the card and drives?
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by:dlethe
ID: 39966300
It depends, are you connecting the card directly to the disks? Or are the disks in an enclosure that has a backplane that uses an expander?    Take some photos with your cell phone and post.
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by:KonfigurationKing
ID: 39968332
The cards will be connecting directly to the controller.  I will be using a 1m 30AWG Internal Mini SAS 36pin (SFF-8087) Male w/ Latch to SATA 7pin Female (x4) Forward Breakout Cable - Black. Thanks for the follow up.
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by:dlethe
ID: 39968368
That will be fine. Don't forget to make sure you do the power cables and your power supply is sufficient.
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by:KonfigurationKing
ID: 39968378
dlethe,

Yeah the only thing that concerns me is the fact that I will be using older hardware for the SAN which is  one of the reason I bought the HARDWARE raid controller.  I have posted another question on the main processor requirements, if all it will be doing is acting as a SAN.  Your input would be appreciated...
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