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SATA PCI Adapter That Uses Matrix Storage Manager?
Does anyone make a PCI adapter that supports at least two eSATA ports with
port multipliers, and uses the Intel Matrix Storage manager software for RAID functions? -- W |
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SATA PCI Adapter That Uses Matrix Storage Manager?
On 26/12/2012 3:29 AM, W wrote:
Does anyone make a PCI adapter that supports at least two eSATA ports with port multipliers, and uses the Intel Matrix Storage manager software for RAID functions? I would think that would only be something from Intel itself. Yousuf Khan |
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SATA PCI Adapter That Uses Matrix Storage Manager?
"Yousuf Khan" wrote in message
... On 26/12/2012 3:29 AM, W wrote: Does anyone make a PCI adapter that supports at least two eSATA ports with port multipliers, and uses the Intel Matrix Storage manager software for RAID functions? I would think that would only be something from Intel itself. Probably, and that's why I am asking the question on the Intel newsgroup. -- W |
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SATA PCI Adapter That Uses Matrix Storage Manager?
On Fri, 28 Dec 2012 02:29:14 -0500, Yousuf Khan
wrote: On 26/12/2012 3:29 AM, W wrote: Does anyone make a PCI adapter that supports at least two eSATA ports with port multipliers, and uses the Intel Matrix Storage manager software for RAID functions? I would think that would only be something from Intel itself. Yousuf Khan Does Intel even sell their own standalone PCIe to SATA adapter chips? All of their SAS & SATA raid controller cards use LSI Logic ROC parts (which don't appear to support the Intel MSM kit)... /daytripper |
#5
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SATA PCI Adapter That Uses Matrix Storage Manager?
"daytripper" wrote in message
... On Fri, 28 Dec 2012 02:29:14 -0500, Yousuf Khan wrote: On 26/12/2012 3:29 AM, W wrote: Does anyone make a PCI adapter that supports at least two eSATA ports with port multipliers, and uses the Intel Matrix Storage manager software for RAID functions? I would think that would only be something from Intel itself. Yousuf Khan Does Intel even sell their own standalone PCIe to SATA adapter chips? All of their SAS & SATA raid controller cards use LSI Logic ROC parts (which don't appear to support the Intel MSM kit)... Yes, I was noticing the same. This is why I asked the question, since there might be some older RAID card they discontinued that used the Intel chipsets and Matrix Storage Manager drivers. -- W |
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SATA PCI Adapter That Uses Matrix Storage Manager?
On 28/12/2012 5:58 PM, daytripper wrote:
On Fri, 28 Dec 2012 02:29:14 -0500, Yousuf wrote: On 26/12/2012 3:29 AM, W wrote: Does anyone make a PCI adapter that supports at least two eSATA ports with port multipliers, and uses the Intel Matrix Storage manager software for RAID functions? I would think that would only be something from Intel itself. Yousuf Khan Does Intel even sell their own standalone PCIe to SATA adapter chips? All of their SAS& SATA raid controller cards use LSI Logic ROC parts (which don't appear to support the Intel MSM kit)... /daytripper I would doubt it that Intel would sell PCIe cards or even chipsets for them. Besides, Intel's RAID is done through their CPU's, it's a fake-RAID. Yousuf Khan |
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SATA PCI Adapter That Uses Matrix Storage Manager?
W wrote:
Does anyone make a PCI adapter that supports at least two eSATA ports with port multipliers, and uses the Intel Matrix Storage manager software for RAID functions? IIRC that is firmware RAID, there is no real RAID hardware involved. It also results (for RAID5) in every data write which is not a full size perfectly aligned chuck generating two reads and two writes, each of which go on the system memory via PCI bus. If you don't have the ability to control writes you may get better performance writing the data once to a RAID box on eSATA connection. That moves the overhead off the PCI and system memory bus. Just a thought, no idea how firm your need to use that storage manager mat be. |
#8
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SATA PCI Adapter That Uses Matrix Storage Manager?
"Bill Davidsen" wrote in message
... W wrote: Does anyone make a PCI adapter that supports at least two eSATA ports with port multipliers, and uses the Intel Matrix Storage manager software for RAID functions? IIRC that is firmware RAID, there is no real RAID hardware involved. It also results (for RAID5) in every data write which is not a full size perfectly aligned chuck generating two reads and two writes, each of which go on the system memory via PCI bus. If you don't have the ability to control writes you may get better performance writing the data once to a RAID box on eSATA connection. That moves the overhead off the PCI and system memory bus. Just a thought, no idea how firm your need to use that storage manager mat be. I am using these SATA drives for backups. It is great to dedicate a volume to staging backups, and make that volume a RAID 1. Periodically you can remove one of the two drives in the RAID 1 pair and put it off site for long term backup storage. You then insert a replacement drive and it automatically rebuilds. The advantage of doing things this way using a non-hardware RAID is that each drive in the RAID 1 pair can be read by virtually any JBOD SATA controller. You aren't tied into any proprietary controller dependency. For doing a recovery from backup, that's very valuable. -- W |
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