Difference between revisions of "NAS"

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This page has been created to serve as an entry point for discussing Network-Attached-Storage (NAS) options for home and small business use.
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This page has been created to serve as an entry point for discussing Network-Attached-Storage (NAS) options for home and small business use. In the context of the OD work, we want a cost-effective way to add NAS capabilities to any LAN on a box that runs the OD server package, for running [[platform]] LANs for instance.
  
 
There are a number of dedicated hardware options out there, which are devices with between one and five hard drive bays that can be plugged into any LAN as a standalone device with a web interface for managing access. Depending on the price they can have options like dual Gigabit ethernet and eSATA connections and offer various types of RAID configurations through the web interface. See the [http://www.nas-central.org/wiki/Main_Page NAS-central wiki] for an overview of vendors with dedicated devices.
 
There are a number of dedicated hardware options out there, which are devices with between one and five hard drive bays that can be plugged into any LAN as a standalone device with a web interface for managing access. Depending on the price they can have options like dual Gigabit ethernet and eSATA connections and offer various types of RAID configurations through the web interface. See the [http://www.nas-central.org/wiki/Main_Page NAS-central wiki] for an overview of vendors with dedicated devices.
  
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The problem for us with these dedicated devices is that they are expensive and use proprietary software for hard drive administration. At the time of writing (July 2009), a four-bay device that allows a RAID 5 configuration will cost around NZ$1200 - without hard drives!  
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The problem with these dedicated devices is that they are expensive and use proprietary software for hard drive administration. At the time of writing (July 2009), a four-bay device that allows a RAID 5 configuration will cost around NZ$1200 - without hard drives! Add three 1.5TB drives for $750 and you're just under $2000.
  
 
So we need to look at options using off-the-shelf components that can run the organic design server package for administration. This also results in other benefits such as being able to run an IMAP email server, firewall and local wiki on the same box, which would be impossible or at least very difficult in the locked down dedicated NAS units. We are currently developing a web interface based on RecordAdmin to manage users and groups as well as shared files, so we can just use that instead of proprietary web interfaces.
 
So we need to look at options using off-the-shelf components that can run the organic design server package for administration. This also results in other benefits such as being able to run an IMAP email server, firewall and local wiki on the same box, which would be impossible or at least very difficult in the locked down dedicated NAS units. We are currently developing a web interface based on RecordAdmin to manage users and groups as well as shared files, so we can just use that instead of proprietary web interfaces.
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The other option is to use a Fit PC with attached USB enclosure to give us a "poor man's NAS" with very low power consumption, but no fancy RAID configuration and limited to to fast ethernet speeds (100Mbit/s). We will also need to have a USB enclosure for every drive attached. In the case of Fit PC 2, we could utilise full USB 2.0 speed due to the Gigabit ethernet connection.
 
The other option is to use a Fit PC with attached USB enclosure to give us a "poor man's NAS" with very low power consumption, but no fancy RAID configuration and limited to to fast ethernet speeds (100Mbit/s). We will also need to have a USB enclosure for every drive attached. In the case of Fit PC 2, we could utilise full USB 2.0 speed due to the Gigabit ethernet connection.
  
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== Configuration ==
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*Shuttle case with low-consumption power supply (fanless?)
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*MicroATX motherboard
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**Integrated graphics
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**Gigabit Ethernet x2
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**4x USB 2.0
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**eSATA
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*CPU
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*RAM 1GB
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;Total for MicroATX PC:
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*3x 1.5TB HD
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;Total for HDs: $750
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;Total for system:
 
== Links ==
 
== Links ==
 
*[[W:Network-attached storage|Wikipedia on NAS]]
 
*[[W:Network-attached storage|Wikipedia on NAS]]

Revision as of 09:39, 12 July 2009

This page has been created to serve as an entry point for discussing Network-Attached-Storage (NAS) options for home and small business use. In the context of the OD work, we want a cost-effective way to add NAS capabilities to any LAN on a box that runs the OD server package, for running platform LANs for instance.

There are a number of dedicated hardware options out there, which are devices with between one and five hard drive bays that can be plugged into any LAN as a standalone device with a web interface for managing access. Depending on the price they can have options like dual Gigabit ethernet and eSATA connections and offer various types of RAID configurations through the web interface. See the NAS-central wiki for an overview of vendors with dedicated devices.

The problem with these dedicated devices is that they are expensive and use proprietary software for hard drive administration. At the time of writing (July 2009), a four-bay device that allows a RAID 5 configuration will cost around NZ$1200 - without hard drives! Add three 1.5TB drives for $750 and you're just under $2000.

So we need to look at options using off-the-shelf components that can run the organic design server package for administration. This also results in other benefits such as being able to run an IMAP email server, firewall and local wiki on the same box, which would be impossible or at least very difficult in the locked down dedicated NAS units. We are currently developing a web interface based on RecordAdmin to manage users and groups as well as shared files, so we can just use that instead of proprietary web interfaces.

Requirements

First, let's look at what our NAS solution needs to fulfil:

  • Quiet
  • Low power consumption
  • High transfer speeds (1GB ethernet or eSATA options)
  • Compact case
  • Using off-the-shelf components
  • Spec to run OD server

Options

The best option for a compact and quiet case is to use a MicroATX case which can fit 3x 3.5" drives, which would allow us to set up RAID 5, which means that we can sustain the loss of a hard drive and just rebuild the Given our requirements, we need to find a MicroATX case with a motherboard that supports eSATA and Gigabit ethernet and then add 3x 3.5" 1.5 TB hard drives for 3TB of NAS storage - no video card, sound card or DVD burner are required.

The other option is to use a Fit PC with attached USB enclosure to give us a "poor man's NAS" with very low power consumption, but no fancy RAID configuration and limited to to fast ethernet speeds (100Mbit/s). We will also need to have a USB enclosure for every drive attached. In the case of Fit PC 2, we could utilise full USB 2.0 speed due to the Gigabit ethernet connection.

Configuration

  • Shuttle case with low-consumption power supply (fanless?)
  • MicroATX motherboard
    • Integrated graphics
    • Gigabit Ethernet x2
    • 4x USB 2.0
    • eSATA
  • CPU
  • RAM 1GB
Total for MicroATX PC
  • 3x 1.5TB HD
Total for HDs
$750
Total for system

Links

MicroATX links

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