background image

Storage Configurations

007-5717-001

5

Storage Configurations

Two modular zones of the C2005 chassis provide unparalleled build-to-order flexibility for 
configuring hard drives and expansion slots. This section describes those two zones:

“Upper Modular Zone” on page 6

“Lower Modular Zone” on page 7

Chassis Mount

SGI cabinets with back-to-back 
mounting for double density; 
standard 19-rack compatable

Dimensions (HxWxD)

3.5” x 17.6” x 15.5”

3.5” x 17.6” x 15.5”

Dependent on motherboard features

.

Table 1-1

Configuration Options 

(continued)        

Attribute

Intel-based C2005

AMD-based C2005

Summary of Contents for Rackable C2005 2U

Page 1: ...SGI Rackable C2005 Server Family User s Guide 007 5717 001 ...

Page 2: ... the USA government or any contractor thereto it is acquired as commercial computer software subject to the provisions of its applicable license agreement as specified in a 48 CFR 12 212 of the FAR or if acquired for Department of Defense units b 48 CFR 227 7202 of the DoD FAR Supplement or sections succeeding thereto Contractor manufacturer is SGI 46600 Landing Parkway Fremont CA 94538 TRADEMARKS...

Page 3: ...007 5717 001 iii Record of Revision Version Description 001 January 2012 Formally published ...

Page 4: ......

Page 5: ...implified Serviceability 3 Versatile 2 5 and 3 5 Local Storage Support 3 System Configuration Options 3 Storage Configurations 5 Upper Modular Zone 6 Lower Modular Zone 7 Front and Rear Panel Components 8 2 Pre Installation Guidelines 13 Server and Rack Positioning 13 Electrical Power 14 Operating Environment 14 Rack Stability 15 Cables 15 Security 15 3 Installation Guidelines 17 Getting Ready to ...

Page 6: ...erver On 23 Powering the Server Off 24 Working with Roamer Remote Management 25 5 Safety Guidelines 27 Electrical Safety 27 General Safety 28 Handling Your Server 29 A Technical Specifications 31 B RAID Basics 33 RAID Implementations 33 RAID 0 Striping 34 JBOD Just a Bunch of Disks 34 RAID 1 Mirroring 34 RAID 5 Parity 35 RAID 6 Dual Parity 35 RAID 10 Mirrored Stripes 36 RAID 50 Striping with Parit...

Page 7: ...t constructed in one of the standard 2U form factors that are detailed in this manual then this manual will provide a general guideline to your product Details that are specific to your design can be found in the datasheet or custom documentation that came with your product Audience This guide is written for owners installers system administrators and users of C2005 servers It is written with the ...

Page 8: ...he SGI Technical Publications Library at http docs sgi com Various formats are available This library contains the most recent and most comprehensive set of online books release notes man pages and other information Refer to the SGI Supportfolio webpage for documents whose access require a support contract See Related Publications on page ix You can also view man pages by typing man title on a com...

Page 9: ...ca contact the Technical Assistance Center at 1 800 800 4SGI or contact your authorized service provider If you are outside North America contact the SGI subsidiary or authorized distributor in your country Be sure to have the following information before you call Technical Support Product serial number Product model name and number Applicable error messages Add on boards or hardware Third party h...

Page 10: ...ront matter of the manual In printed manuals the document number is located at the bottom of each page You can contact SGI in any of the following ways Send e mail to the following address techpubs sgi com Contact your customer service representative and ask that an incident be filed in the SGI incident tracking system Send mail to the following address SGI Technical Publications 46600 Landing Par...

Page 11: ... overview of the SGI Rackable C2005 2U server family Features on page 2 System Configuration Options on page 3 Storage Configurations on page 5 Front and Rear Panel Components on page 8 Figure 1 1 shows a typical C2005 server Figure 1 1 SGI Rackable C2005 Server ...

Page 12: ...ic data center needs while eliminating unnecessary costs Based on an open architecture approach using AMD Opteron or Intel Xeon processors the C2005 server takes configuration flexibility to the next level with two modular zones determining the balance between multiple 2 5 and 3 5 hard drive configurations and expansion slot capabilities Leading Efficiency The unique SGI approach to thermal manage...

Page 13: ...uited for applications such as scale out database servers With up to five 3 5 SATA drives it also meets the need for configurations requiring high capacity local storage The C2005 can even support a mixture of drive technologies and sizes System Configuration Options This versatile system allows for many different types of build to order options There are a few limitations Maximum of 2 sockets Max...

Page 14: ... of both Up to five 3 5 ten 2 5 hot swap SAS or SATA II drives or a combination of both Max Capacity SAS SATA 3 5 HDDs 15TB SAS SATA 2 5 HDDs 10TB SAS SATA 3 5 HDDs 15TB SAS SATA 2 5 HDDs 10TB RAID Card Levels optional RAID 0 1 5 6 10 50 60 RAID 0 1 5 6 10 50 60 Expansion Cards Up to five PCI Express low profile slots or one slot on a riser Up to five PCI Express low profile slots or one slot on a...

Page 15: ...pansion slots This section describes those two zones Upper Modular Zone on page 6 Lower Modular Zone on page 7 Chassis Mount SGI cabinets with back to back mounting for double density standard 19 rack compatable Dimensions HxWxD 3 5 x 17 6 x 15 5 3 5 x 17 6 x 15 5 Dependent on motherboard features Table 1 1 Configuration Options continued Attribute Intel based C2005 AMD based C2005 ...

Page 16: ... of the chassis Table 1 2 describes the configuration options Table 1 2 Storage Configuations Upper Modular Zone Storage Configuration Expansion Slots Four 3 5 hot swap drives One PCIe slot on riser Two 3 5 and four 2 5 hot swap drives One PCIe slot on riser Two 3 5 hot swap drives Up to five low profile slots Eight 3 5 hot swap drives Up to five low profile slots ...

Page 17: ... lower modular zone is the lower left portion of the chassis This zone provides the additional storage options shown in Figure 1 2 The 2 5 drives are SAS or SATA and the CD DVD ROM is a low profile device Figure 1 2 Lower Modular Zone Additional Storage Options ...

Page 18: ...ure 1 3 shows the components of the front and rear panels of a typical C2005 server Figure 1 3 Front and Rear Panel Components Disk drives Power button LED indicator lights Serial connector Front panel I O DVD drive LCD Rear fans Power switch Power cord connector ...

Page 19: ...his area is space for an LCD display that is used with a Roamer remote management module if one was purchased with the server Front panel I O The I O interface to the motherboard The configuration of the various I O ports is dependent on the motherboard used in your configuration For detailed I O specifications refer to the motherboard manual included with the documentation and accessory kit Typic...

Page 20: ...agement module then this LED can be turned on or set to blink via Roamer so that a technician can easily identify a unit that may need service Power button This single push push button is a power on off button When the system is in an off state pushing the button once powers the system on When the system is in an on state pushing and releasing the button power the system off This button does not h...

Page 21: ...management module is installed this port functions as an interface to the module When the Roamer remote management module is not installed the pinout for the serial connector is as shown in Table 1 4 Table 1 4 Pinouts for the Serial Connector J3 Pin Name Description 1 RTS Request To Send JP1 A CTS Clear To Send JP1 B 2 DSR Data Set Ready 3 RxD Receive Data 4 GND Ground Return 5 GND Ground Return 6...

Page 22: ......

Page 23: ...5 Server and Rack Positioning Follow these guidelines to ensure that the server is safely and appropriately positioned for efficient operation and service When determining the location for the server position it so that there is adequate space for airflow and servicing When positioning the server in a rack be sure to allow adequate space for airflow and servicing from the front and the rear Cleara...

Page 24: ...e power supply for the rack is sufficient for the planned components When planning electrical power arrangements make sure you have more power available than specified for all components Also make sure the power load is distributed evenly among circuits to the location of the rack Make sure power connections for the server and all other components are grounded See the Appendix A Technical Specific...

Page 25: ... efficiency in server operation and ease of maintenance handling cables properly is required Arrange all component cables so they do not interfere with access to the rack To ensure full signal strength for Ethernet serial and other connections make sure the cables do not exceed established length limits Security The following are security considerations If using a server cabinet that is not in a s...

Page 26: ......

Page 27: ...ktop system Do not place a monitor on the server or place anything on top of the enclosure Additional weight on top of the server could cause damage to internal components Your server can be installed in these types of racks Open four post rack 19 wide 24 26 deep or 29 36 deep Cabinet with four post rack inside 19 wide and 29 36 deep Two post Telco rack 19 wide The server is two rack units 2RUs ta...

Page 28: ...with metric holes Check the documentation for your rack and if screws are provided use those Clear a table cart or other flat surface near the rack You will need a space to temporarily place the server during installation Determine Server Positioning in the Rack Review the guidelines for positioning the server in the rack explained earlier Then follow these steps to determine its positioning 1 Det...

Page 29: ... as follows 1 Position the server so that the two ears on the side of the server are positioned equally and level in the rack 2 Install four screws through the mounting ears and into the rails of the rack Typical screw sizes are 10 32 and 12 24 Check the accessory kit for spare screws If your rack does not have threaded holes you will be required to provide threaded inserts to snap into the rails ...

Page 30: ...tor and that it is designed for use in a high capacity server 3 Label each cable so that you can locate a specific cable quickly Ethernet ports on the server are numbered 0 and 1 0 is the primary Ethernet port and 1 is the secondary Warning Because the server is being installed into a rack with other equipment be certain that the power used with the rack is designed to carry the electrical load of...

Page 31: ...ve into the carrier with the printed circuit board side facing down see Figure 3 1 3 Carefully align the mounting holes in the hard drive and the carrier Make sure the bottom of the hard drive and bottom of the hard drive carrier are flush 4 Secure the hard drive using all four screws see Figure 3 1 5 Replace the drive carrier into the chassis Make sure to close the drive carrier using the drive c...

Page 32: ......

Page 33: ... server is powering up the power LED on the front of the chassis is lit If a power failure occurs the server can be started automatically when power is restored This is only available if the Rackable Roamer remote management module was ordered for the server If the operating system you installed on the server supports the Wake on LAN feature the Wake on LAN feature can turn on the server The Wake ...

Page 34: ...he operating system documentation in reference to proper operating system shutdown Improper shutdown of a server will not allow the server to be restarted using Wake on LAN The server can be turned off in the following ways Press the power control button on the front of the server This begins the shutdown of the operating system if this feature is supported by your system If the operating system s...

Page 35: ...remote control and serial redirection capabilities The Roamer is accessed locally using an RJ 45 serial connection shown in Figure 4 1 With the Roamer option comes a LCD display This display can be directly programmed within the OS The LCD display can also be used to display server status and other information as needed Figure 4 1 Front and Rear Panel Components Disk drives Power button LED indica...

Page 36: ......

Page 37: ...ng or installing main system components such as the motherboard memory modules and drives When disconnecting power you should first power down the system with the operating system first and then unplug the power cords of all the power supply units in the system When working around exposed electrical circuits another person who is familiar with the power off controls should be nearby to switch off ...

Page 38: ...toned shirt sleeves which can come into contact with electrical circuits or be pulled into a cooling fan Remove any jewelry or metal objects from your body They are excellent metal conductors that can create short circuits and harm you if they come into contact with printed circuit boards or areas where power is present After accessing the inside of the system close the system back up and secure i...

Page 39: ...en connecting or disconnecting a cable always hold the cable by its connector Never force a connector into a port If the connector and port do not join with ease check the matching of the connector with the port Correct positioning when joining a connector to a port is also essential Protect the server and its components from direct sunlight and rain or other moisture Keep all ventilation openings...

Page 40: ......

Page 41: ...5 Dimensions 3 5 x 17 6 x 15 5 HxWxD Gross weight 27lbs Operating temperature 10 35 C 50 90 F Operating humidity 8 80 Max thermal sustained output 1121BTU hr AC and 839BTU hr DC approximate based on a typical configuration Actual max power number 346W AC and 256W DC approximate based on a typical configuration Power supply Input 100 240VAC standard 48VDC optional 250W or 450W with 3 3V 5V 12V 5V a...

Page 42: ......

Page 43: ...AID system has a write cache dedicated to managing the RAID A hardware implementation of RAID requires a RAID controller This may be a PCIe expansion card or may be a card onboard the system motherboard in some systems Disks may be of any type SAS or SATA The controller links to the system with a high speed SCSI or iSCSI connection The controller handles the management of disks including parity ca...

Page 44: ...s commonly used to turn several odd sized drives into one useful drive One advantage JBOD has over RAID 0 is in the case of drive failure When a single drive of a RAID 0 array fails usually it will result in the loss of all data in the array When a drive failure occurs in a JBOD array only the data on the affected drive is lost RAID 1 Mirroring RAID 1 creates an exact copy or mirror of all the dat...

Page 45: ...recalculated and rewritten The disk used for the parity block is staggered from one stripe to the next The parity blocks are not read on data reads The parity blocks are used when a read of a data sector results in a CRC cyclic redundancy check error In a case like this the sector in the same relative position within each of the remaining data blocks in the stripe and within the parity block are u...

Page 46: ...to yield large arrays with high performance in most uses and superior fault tolerance RAID 50 Striping with Parity RAID 50 employs RAID 0 striping across lower level RAID 5 arrays One disk in each sub array can fail without a loss of data RAID 60 Striping with Dual Parity RAID 60 employs RAID 0 striping across lower level RAID 6 arrays Dual parity allows two disks in a sub array to fail without a ...

Reviews: