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AMF - Adaptec Metadata Format Print
March 2015
Metadata is stored at the end of each individual HDD / SSD. However the first 128 blocks on the disk offsets the partition table and data, and is used to point to the location of the metadata located at the rear of the disk. This means that if a user takes a drive from a RAID 1 pair and plugs it in directly to a motherboard AHCI SATA port, a Windows OS will not be able to read the data off that disk due to this 128 block offset. However the user can plug the disk into any other Adaptec RAID controller to access the data.

RAID controllers require metadata space on each drive to:
  • Store information about (i) how that drive participates in RAID structures and (ii) who are its partners.
  • Store watermark information for activities like Builds, Rebuilds, RAID Level Migrations (RLM) and Online Capacity Expansions (OCE).
  • Have ‘scratch’ space to support operations like RLM and OCE.
  • Allow swapping an entire array from one controller to another, or swapping the controller itself, without reconfiguring the partitions or arrays.
The AMF specification defines the data structure for how data is formatted across disks in a RAID array.

AMF uses more capacity than previous metadata formats to accommodate complex features and RAID types such as RAID 6. AMF metadata resides in a space at the end of the disk, and occupies the highest LBA block addresses. This space is 96MB with 512 byte sector drives or 768MB with 4096 byte (4K) sector drives and it is divided into:

Metadata_structure.jpg
VSL Data

Vendor Specific Log (VSL) contains an ID and signature that uniquely identifies the vendor that created the metadata record along with any vendor defined data.

Diagnostic Space

This section is used as temporary work space during RAID migration and capacity expansion.

Config Records

This section contains the partition configuration information for the disks being used in arrays.

VD & PD Records

Virtual Disk (VD) and Physical Disk (PD) records contain information specific to the virtual and physical disks defined in the configuration. Data such as status and type identification for each disk is stored in these records.

Virtual disk records include data about RAID level, stripe size, caching policy, hot spare assignment and so on.

Adapter Data

This record contains information specific to the controller or host adapter that last accessed the configuration.

Disk Drive Coercion Factor

After subtracting the size of the RAID metadata from the physical drive size, the remaining space is truncated, mainly because it is helpful to try to standardize the drive size that is presented whenever drives from different manufacturers are mixed. The Coercion Factor being used is based on the size of the disk drive and the drive’s sector size:

512-byte sector drive:

Drive Size

Coercion Factor

< 256GB

100MB

>= 256GB and < 1TB

1GB

>= 1TB

5GB









4096-byte (4K) sector drive:

Drive Size

Coercion Factor

< 256GB

800MB

>= 256GB and < 1TB

8GB

>= 1TB

40GB








END
 
Supermicro 1U SERVER 600W BLACK Platinum Certified Print
March 2015
Key Features
1. Intel Xeon processor E5-2600 v3 family; QPI up to 9.6GT/s
2. Up to 1TB ECC DDR4 2133MHz; 16x DIMM slots
3. 2x PCI-E 3.0 x16 Full-height Half-length, 1x PCI-E 3.0 Low-profile
4. 4x 3.5" Hot-swap SATA HDD bays
5. Intel® i350 Dual port Gigabit Ethernet
6. 600W High-efficiency Digital-switching Power Supply, Platinum Level

Motherboard
Super X10DDW-i
 
Processor/Cache
CPU
  • Intel® Xeon® processor E5-2600 v3 family (up to 145W TDP)
  • Dual Socket R3 (LGA 2011)
Cache
  • Up to 18 Cores / Up to 45MB Cache
System Bus
  • QPI up to 9.6 GT/s
 
System Memory
Memory Capacity
  • 16x 288-pin DDR4 DIMM slots
  • Up to 1TB ECC LRDIMM, 512GB ECC RDIMM
Memory Type
  • 2133/1866/1600MHz ECC DDR4 SDRAM 72-bit
DIMM Sizes
  • RDIMM: 32GB, 16GB, 8GB, 4GB
  • LRDIMM: 64GB, 32GB
Memory Voltage
  • 1.2 V
Error Detection
  • Corrects single-bit errors
 
On-Board Devices
Chipset
  • Intel® C612 Express chipset
SATA
  • SATA3 (6Gbps); RAID 0, 1, 5, 10
IPMI
  • Support for Intelligent Platform Management Interface v.2.0
  • IPMI 2.0 with virtual media over LAN and KVM-over-LAN support
  • ASPEED AST2400 BMC
Network Controllers
  • Intel® i350 Dual Port Gigabit Ethernet LAN
  • Virtual Machine Device Queues reduce I/O overhead
  • Supports 10GBASE-T, 100BASE-TX, and 1000BASE-T, RJ45 output
  • 1x Realtek RTL8211E PHY (dedicated IPMI)
Video
  • ASPEED AST2400 BMC
 
Input / Output
Serial ATA
  • 4x SATA3 (6Gbps) ports
LAN
  • 2x RJ45 Gigabit Ethernet ports
  • 1x RJ45 Dedicated IPMI LAN port
USB
  • 2x USB 3.0 ports (rear)
  • 2x USB 2.0 ports (rear)
  • 1x Type A
VGA
  • 1x VGA port
Serial Port / Header
  • 1x Fast UART 16550 Header
DOM
  • 2x SuperDOM (Disk on Module) ports
   
Management
Software
Power Configurations
  • ACPI / APM Power Management
  • Power-on mode for AC power recovery
Chassis
Form Factor
  • 1U Rackmount
 
Dimensions
Width
  • 17.2" (437mm)
Height
  • 1.7" (43mm)
Depth
  • 25.6" (650mm)
Gross Weight
  • 46 lbs (20.9kg)
Available Colors
  • Black
 
Front Panel
Buttons
  • Power On/Off button
  • UID button
LEDs
  • Power status LED
  • HDD activity LED
  • 2x Network activity LEDs
  • Universal Information (UID) LED
 
Expansion Slots
PCI-Express
  • 2x PCI-E 3.0 x16 full-height, Half-length slots
  • 1x PCI-E 3.0 Low-profile slot
 
Drive Bays
Hot-swap
  • 4x  3.5" Hot-swap SATA HDD trays
 
Backplane
  • SAS/SATA HDD Backplane
 
System Cooling
Fans
  • 5x 4cm heavy-duty counter-rotating fans w/ air shroud and optimal fan speed control
 
Power Supply with Digital Switching Control & PMBus 1.2
600W AC power supply w/ PFC (24-pin)
AC Voltage
  • 100-240 V, 50-60 Hz, 7.5 Amp max
+5V
  • 18 Amp
+5V standby
  • 3 Amp
+12V
  • 49 Amp
-12V
  • 0.5 Amp
+3.3V
  • 15 Amp
Certification 80PLUS Platinum  
  80PLUS Platinum Cetified
          [Test Report ]
 
System BIOS
BIOS Type
  • 128Mb SPI Flash EEPROM with AMI BIOS
BIOS Features
  • Plug and Play (PnP)
  • APM 1.2
  • PCI 2.2
  • ACPI 1.0 / 2.0 / 3.0 / 4.0
  • BIOS resuce hot keys
  • USB Keyboard support
  • SMBIOS 2.3
  • UEFI
 
Operating Environment / Compliance
RoHS
  • RoHS Compliant
Environmental Spec.
  • Operating Temperature: 10° to 35°C (50° to 95°F)
  • Non-operating Temperature: -40° to 70°C (-40° to 158°F)
  • Operating Relative Humidity: 8% to 90% (non-condensing)
  • Non-operating Relative Humidity: 5 to 95% (non-condensing)
 
M/BOARD WIO E-ATX C612 (GRANTLEY) Print
March 2015
Key Features

1. Dual socket R3 (LGA 2011) supports Intel® Xeon® processor E5-2600 v3 family
2. Intel® C612 Express chipset; QPI up to 9.6GT/s
3. Up to 1TB ECC DDR4 2133MHz; 16x DIMM slots
4. 1x PCI-E 3.0 x32 Left riser slot; 1x PCI-E 3.0 x8 Right riser slot
5. 1x PCI-E 3.0 x8 for Add-On-Module
6. Intel® i350 Dual port Gigabit Ethernet
7. 10x SATA3 (6Gbps); RAID 0, 1, 5, 10
8. Integrated IPMI 2.0 and KVM with Dedicated LAN
9. 3x USB 3.0 (2 rear, 1 Type A); 4x USB 2.0 (2 rear, 2 via header)


Physical Stats
Form Factor
  • Proprietary WIO
Dimensions
  • 12.8" x 13.4" (32.5cm x 34.0cm)
 
Processor/Cache
CPU
  • Intel® Xeon® processor E5-2600 v3 family (up to 145W TDP)
  • Dual Socket R3 (LGA 2011)
Cache
  • Up to 18 cores/ up to 45MB cache
System Bus
  • QPI up to 9.6 GT/s
 
System Memory
Memory Capacity
  • 16x 288-pin DDR4 DIMM sockets
  • Up to 1TB ECC LRDIMM, 512GB ECC RDIMM
Memory Type
  • 2133/1866/1600MHz ECC DDR4 SDRAM 72-bit
DIMM Sizes
  • RDIMM: 32GB, 16GB, 8GB, 4GB
  • LRDIMM: 64GB, 32GB
Memory Voltage
  • 1.2 V
Error Detection
  • Corrects single-bit errors
 
On-Board Devices
Chipset
  • Intel® C612 chipset
AHCI SATA
  • SATA3 (6Gbps); RAID 0, 1, 5, 10
SCU SATA
  • SATA3 (6Gbps); RAID 0, 1, 5, 10
IPMI
  • Support for Intelligent Platform Management Interface v.2.0
  • IPMI 2.0 with virtual media over LAN and KVM-over-LAN support
  • ASPEED AST2400 BMC
Network Controllers
  • Intel® i350 Dual Port Gigabit Ethernet
  • Virtual Machine Device Queues reduce I/O overhead
  • Supports 10BASE-T, 100BASE-TX, and 1000BASE-T, RJ45 output
  • 1x Realtek RTL8211E PHY (dedicated IPMI)
Video
  • ASPEED AST2400 BMC
 
Input / Output
SATA
  • 10x SATA3 (6Gbps) ports
LAN
  • 2x RJ45 Gigabit Ethernet LAN ports
  • 1x RJ45 Dedicated IPMI LAN port
USB
  • 3x USB 3.0 ports (2 rear + 1 Type A)
  • 4x USB 2.0 ports (2 rear + 2 via headers)
Video
  • 1x VGA port
Serial Port / Header
  • 1 header
DOM
  • 2x SuperDOM (Disk on Module) ports
Chassis ( Optimized for X9DRW-iF )
1U Chassis
  • SC113TQ-600WB       
  • SC801SFT-656D    
  • SC801ST-656D  
  • SC815TQ-600WB
2U Chassis
  • SC213A-R740WB   
  • SC825TQ-R740WB   
  • SC826BA-R920WB   
  • SC826BAC4-R920WB
Important Chassis Notes
  • To support the new generation Intel® Xeon® processor-based motherboards, Revision N chassis is recommended. Please talk to your sales representative for details.
 
Expansion Slots
PCI-Express
  • 1x PCI-E 3.0 x32 - Left riser slot   
  • 1x PCI-E 3.0 x8 - Right riser slot   
  • 1x PCI-E 3.0 x8 for Add-on Module (AOM)
 
System BIOS
BIOS Type
  • 128Mb SPI Flash EEPROM with AMI BIOS
BIOS Features
  • Plug and Play (PnP)   
  • PCI 2.3   
  • ACPI 1.0 / 2.0 / 3.0 / 4.0   
  • USB Keyboard support   
  • SMBIOS 2.7.1   
  • UEFI 2.3.1
 
Management
Software
Power Configurations
  • ACPI / APM Power Management
  • Power-on mode for AC power recovery
 
PC Health Monitoring
Voltage
  • Monitors for CPU Cores, +1.8V, +3.3V, +5V, +12V, +3.3V Standby, +5V Standby, VBAT, Memory Voltages.
  • 5 Phase-switching voltage regulator
FAN
  • 6x 4-pin fan headers (up to 6 fans)  
  • 6x fans with tachometer monitoring
  • Status monitor for speed control   
  • Pulse Width Modulated (PWM) fan connectors
Temperature
  • Monitoring for CPU and chassis environment   
  • CPU thermal trip support   
  • Thermal Control for 6x Fan Connectors
  • Thermal Monitor 2 (TM2) support  
  • PECI
LED
  • CPU / System Overheat LED indicator
  • Suspend static indicator LED
  • UID/Remote UID
Other Features
  • Chassis intrusion detection
  • Chassis intrusion header
  • SDDC Support
  • RoHS


Click here to return
 
Windows 7: How to boot up in normal mode after improper shut down Print
March 2015

This guide is for Windows 7 systems designed to run unattended and 24/7 (such as an IPVS NVR system).

Question:

Whenever there is a power outage or a forced power cycle after a BSOD, Windows 7 detects that the system was improperly shutdown. Once the power is up, the PC powers on and Windows 7 enters a "Recovery Mode" where only someone physically in front of the PC can control it. (Networking is all disabled in this mode)

Now before it enters the Rcovery Mode, there is an option for a NORMAL boot. But the catch is that the Recovery Mode is selected by default with a 30 second timer. Once it automatically enters the Recovery Mode there is no way to remote control it anymore. Someone needs to physically access the system, reboot it and select "Boot Windows Normally" again.

Where can I change this setting so that Windows 7 always boots into NORMAL mode no matter how many times it is improperly shut down?

Answer:

WARNING: This can damage your system, use at own risk.

  1. Run a command line window as Administrator.
  2. Start Menu > All Programs > Accessories > (right-click & "Run as administrator") Command prompt
  3. Next run:
  4. bcdedit /export C:\BCDbak
    This will make an export of your Boot Configuration Data Store. You can import it with:
    bcdedit /import C:\BCDbak  
    bcdedit /import C:\BCDbak /clean 
  5. You can now try to disable recovery mode with the following command.
  6. BCDEdit /set bootstatuspolicy ignoreshutdownfailures
    BCDEdit /set {default} recoveryenabled No
  7. You can also display your configuration by running
bcdedit /enum, and
bcdedit /enum /v
Source: http://superuser.com/questions/152720/windows-7-how-to-boot-up-in-normal-mode-after-improper-shut-down

END
 
2015-04 Kamo High Open Technology Seminar Print
March 2015

Date: Friday 24 April 2015
Venue: Kamo High School Whangarei
The tentative program is as shown below. Attendance is free of charge but registration is essential for seating and catering preparation.

1:45pm Reception in Music Studio in Block A
2:00pm Opening by Phil (Assistant Principal)
2:10pm Main Theme by TN (High Performance Computing with examples in astronomy and neural computing)
3:10pm Guest Speech by Haggis Henderson (Science teacher of Whangarei Girls High)
3:25pm Guest Speech by Colin Dyer (Computer science tutor of Northland Polytechnic)
3:40pm Guest Speech by Nick Trevena (Computer consultant and service provider)
3:55pm Closing Forum Q&A
4:10pm Muffin Break in Staff Room

This Open Technology series has been kept at a very high altitude (like in the air) and not for ground deployment. High level (altitude) information can be applied to a thousand types of activities whereas ground level deployment is very specific. Our seminars are meant to stimulate thinking and not to explain how we do our jobs on a daily basis. High Performance Computing (HPC) is a concept. Learning is a concept. Ecosystem is a concept. Open Source is a concept.

TN will provide 2 examples of the application of HPC for the warm up phase. One is about the measurement of tectonic plate movements on Earth from the universe (not satellites). The second example is about how we design computers to emulate the working of the brain.  The main talk is on the differences between the current mode of consumer computing and the next generation of high performance computing including some development works being done in Compucon (this is commercially sensitive and confidential stuff and the info will not be printed for seminar hand-outs). The final phase of the talk will explain why the professional community should embrace parallel computing and be the first early bird to pick the worm.

Haggis will comment on the above themes from an educational perspective. Colin will discuss what we shall do for the ecosystem to be more successful than we are at present. Nick will provide an industrial perspective of HPC and ecosystems using Free and Open Source Software as an example. 

The Q&A Session will summarise what participants can take away from this seminar.

 

 
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