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Targa Systems Division 

S4 Ethernet NAS DTS Installation Guide 

32003272-1 Rev 5 

1.3  Model Numbers 

 

Model 

Description 

DTD Support 

Power 

 

Unit Description 

Encryption 

Single 

Dual 

28Vdc 

AC 

DTU40SA-50A-2 

Flight Unit - Panel Mount 

- 

√ 

- 

√ 

- 

DTU40SA-50A-2e 

√

 

√ 

 

√

 

 

DTU40SA-52A-2 

- 

 

√

 

√

 

 

DTU40SA-52A-2e 

√

 

 

√

 

√

 

 

GSU49/SA-50A-0 

Ground Unit - Desktop 

- 

√

 

- 

- 

√

 

GSU49/SA-50A-0e 

√

 

√

 

- 

- 

√

 

DTD40/SAn-ccc-2 

SATA Flash Disk  - Data Transfer Device   

SAn – Flash disk type 

Capacity where ccc = unformatted capacity in GBytes 

 

 

 

1.4  DTU Architecture 

Series 4 GEN2 DTU System Architecture is shown below: 

 

Figure 1 

DTU System Architecture 

 

 

2

 

Содержание Targa DTU40SA-50A-2

Страница 1: ...uide Series 4 Ethernet Network Attached Storage GEN2 Data Transfer System Targa Document 32003272 1 Revision Rev 5 Date May 2013 Targa Systems Division L 3 Communications Canada Inc 2081 Merivale Road...

Страница 2: ...anitize changes Appendix A DTD Status partition not valid status bit Rev 5 Figure 1 updated May 2013 Updates associated with F W vs 3 1 9 and 3 2 0 FTPSITE Autoextract MD5 Check file added Appendix F...

Страница 3: ...System Reliability Performance 9 2 8 Maintainability Logistics Support 10 3 Targa NAS DTU Operations Overview 10 3 1 DTD Use and Handling 10 3 2 Opening the DTD Access Door DTD protection 10 3 3 DTD...

Страница 4: ...ture 2 Figure 2 Ethernet Quadrax Connector Pin Orientation 6 Appendix A FTP Site Command 29 B DTD Sanitize Secure Erase Algorithms 40 C Encryption Overview implementation 41 D DHCP Control File dnsmas...

Страница 5: ...corruption due to operator actions during data write operations Once the door is open the DTD is inserted through the front panel aperture and gently pushed into place When closed the door is locked b...

Страница 6: ...28Vdc AC DTU40SA 50A 2 Flight Unit Panel Mount DTU40SA 50A 2e DTU40SA 52A 2 DTU40SA 52A 2e GSU49 SA 50A 0 Ground Unit Desktop GSU49 SA 50A 0e DTD40 SAn ccc 2 SATA Flash Disk Data Transfer Device SAn F...

Страница 7: ...5221C K 8 K 12 Unit Case Size 2 9 h x 5 w x 9 5 d 4 4 h x 5 w x 9 5 d Front Panel 3 0 h x 5 75 w x 3 d 4 5 h x 5 75 w x 3 d Weight 2 3 Kg 3 0 Kg Max Power 28Vdc 15 w 25 w Inrush Current Nominal 3 5 A...

Страница 8: ...cable Pinout Refer to section 2 6 Power Aux Connector D38999 20MC35PN MIL C 38999 Series 3 Rear mount 22 pin contacts Mate D38999 26FC35SN Pinout Refer to Section 2 6 2 3 Ground Station Unit Case Size...

Страница 9: ...00 3 Humidity 10 100 Condensing RTCA DO 160D Sec 6 Cat B Shock Operating 20g 9 ms sine MIL STD 810E Method 516 4 Crash Hazard 40g 9 ms sine operating MIL STD 810E Method 516 4 Vibration Dzus Mount PSD...

Страница 10: ...100 The NAS unit default configuration is to negotiate for Gbit ethernet which cannot be done with only 4 wires Once re configured a 10 100 cable can be used Pin Signal Pin Signal A1 Port1 a D1 Port1...

Страница 11: ...ansmit DTU Monitor Port CaseGnd 1 11 14 20 21 SignalGnd 6 7 10 15 18 19 22 2 6 3 DTU and GSU Auxiliary Input Output Signal Functions Inputs 1 3 Config_Enable When pulled to signal ground enables DTU c...

Страница 12: ...irectional pair D Bi directional pair D Tx Tx Rx Rx Console Port DB9F Signal Pin Signal Description Com1 Tx Com1 Rx Gnd DCD RTS CTS DTR DSR Com2 Tx 2 3 5 1 7 8 4 6 9 Console Port RS232 Transmit Consol...

Страница 13: ...13 Gnd Gnd 14 15 DTD Installed Gnd 5Vdc 16 17 5Vdc 2 7 Data Transfer System Reliability Performance Series 4 Data Transfer Devices DTD40SAx ccc 2 Refer to Appendix E Series 4 Data Transfer Unit DTU40S...

Страница 14: ...ome of the systems operational features 3 1 DTD Use and Handling Targa s Ethernet DTU GSU is equipped with a door sensor to detect door open close status Upon detection of a door open event the DTU GS...

Страница 15: ...cally corrected This does not mean that data sent to the DTU immediately prior to a power failure cannot be lost but it does mean that the existing data and file structures will not be corrupted Due t...

Страница 16: ...pported by the desktop GSU version 3 7 Security Erase The Targa Series 4 NAS Data Transfer System supports both a hardware and ethernet commanded means of sanitizing the Data Transfer Device Hardware...

Страница 17: ...trols and supported features 4 1 2 Configuration Utility Data Updates After changing or adding new DTU configuration data the revised configuration data must be Submitted for the associated DTU config...

Страница 18: ...perational Uptime can be used to determine if the DTU has experienced a power failure recovery since it was last accessed ie if your current directory has changed back to the default mount point due t...

Страница 19: ...ition from Off state logic high to On state logic low and be logic low for a minimum of 300msec for DTU to activate erase If the signal is detected as logic low at power up or at door closure the sign...

Страница 20: ...re update process can take anywhere from 3 5 minutes and MUST BE monitored on the COM2 Log port During the update process a stream of will be output and a completion message issued DO NOT POWER OFF UN...

Страница 21: ...is changed a DTU reboot is required before the new IP address takes effect When the DTU Config Enable jumper is installed the Targa DTU will respond to either DTU Network IP DTU Configuration IP 192...

Страница 22: ...arga DTU network attached device is known on the network 4 5 1 DTU Operation Mode Network Configuration option to place Targa DTU into different modes of operation NAS Mode DTU functions as a Network...

Страница 23: ...ed Network File System NFS is a file system protocol allowing a computer to access files over a network as if they were local disks The Targa DTU as the NFS server exports a disk mount point which is...

Страница 24: ...ls on the dnsmasq conf configuration file TFTP TFTP support is a user configurable parameter Enabled Disabled Factory default is disabled Trivial File Transfer Protocol TFTP is a very simple file tran...

Страница 25: ...on the network and set the local DTU system time If there is no host response an error message is sent to the console COM 1 Refer to RFC 868 for details Targa S4 NAS DTU does not provide a time zone...

Страница 26: ...vice processing any IP data packet with the Targa DTU specified IP address all other packets are forwarded out the second ethernet port IP Address Netmask IP Address and Netmask for the DTU as a Netwo...

Страница 27: ...ns Edit To change file permissions Read Write or Read Only To change user password Delete Deletes username entry Add user Enter new username user password and file permissions To update the user data...

Страница 28: ...ed partition 4 7 1 Setup DTD Page Displays basic DTD information Note DTD 2 is displayed for dual DTD units only Current Partition table Lists the partitions found on the DTD partition size and partit...

Страница 29: ...ng to fill all available space Only one wildcard is permitted in the partition string Not requesting a wildcard partition may result in space on the DTD going unallocated Unallocated space is inaccess...

Страница 30: ...used only for specific security related purposes and not as a means to simply clear the disk As such the ability to command the disk to be sanitized from the web based utility was removed in version...

Страница 31: ...LUKS encrypted volumes within the Targa S4 DTU It is imperative that the operator is knowledgable of the concepts and terminology associated with LUKS volumes data encryption passphrase and encryption...

Страница 32: ...arga 3 If the product is covered under Targa s Limited Warranty there will be no charge for parts or labour 4 If the product is not covered under Targa s Limited Warranty there will be a minimum charg...

Страница 33: ...ontrol Port Command Site Status Returns 6 bytes for single DTD units 10 bytes for Dual DTD units Data is ASCII representation of hexadecimals numbers Example 200 0x0000 0x00001110 DTU OK DTD 1 has 1 p...

Страница 34: ...ot present Partition not mounted Invalid File System iSCSI partition Note DTD partition status bits are not relevant under the following conditions Door open DTD is not installed DTD format in progres...

Страница 35: ...e Status returns 200 0x0020 0x00001110 0x00010000 DTU in config mode DTD 1 Partition 1 mounted OK DTD 2 Door Open partition info unknown For F W versions from 3 1 4 onward Site Status returns 200 0x00...

Страница 36: ...only if present 200 OK dtu status word is unchanged from the Site Status command Bit DTU Status 0 1 2 3 4 5 6 15 DTU over temperature alert if enabled per section 4 4 DTU un configured per section 4...

Страница 37: ...rd per partition The meaning of the low 4 bits is unchanged Bit DTD Partition Enhanced Status 0 Partition not present Same as site status 1 Partition not mounted 2 Invalid Filesystem 3 iSCSI partition...

Страница 38: ...bz2 Zip files are not supported due to the file format storing relevant information at the end of the archive and thus streaming extract is not possible Command site autoextract on off Returns 211 AUT...

Страница 39: ...parated status data Example site healthcheck 200 0x0020 237 87456 200 55 Vok DTU status 0x0020 Runtime 237 seconds Total Runtime 87456 seconds Power cycles 200 Unit Temp 55C Voltages Vok md5sum Comput...

Страница 40: ...d NOT match 500 Checksum Failure End settime Set DTU Date and Time seconds since Jan 1 1970 Admin user only Command site settime seconds seconds integer from Jan 1 1970 Returns 200 seconds seconds com...

Страница 41: ...on Commands have complex interactions with the DTU and DTD In the event of an error details are available on the COM2 monitor port For site commands dtdsanitize updatefirm Error result 400 signal 0 0...

Страница 42: ...engine dtdinfo Read DTD FLASH disk Information Disk Model F W Rev Serial Capacity MB and of Partitions Command site dtdinfo dtd dtd dtd1 or dtd2 default dtd1 Returns 200 Model F W Rev Serial Capacity...

Страница 43: ...last netstat or unit power cycle Command site netstats Returns 200 Mode FTP Port1 Stat Port1 Coll Port2 Stat Port2 Coll Example site netstats 200 0 3 0x0b 0 0x00 0 Mode Normal FTP Users 3 Port1 Stat l...

Страница 44: ...nitize command using the table below select the preferred algorithm number to use with the dtdsanitize command The time to execute is dependent on the selected algorithm the DTD Type and DTD capacity...

Страница 45: ...g on the file transfer protocol and MTU size On average Writes reduced by 30 35 Reads reduced by 50 C 2 Volume Encryption The Linux Operating system as used within the S4eDTU provides two different me...

Страница 46: ...partitions to an encrypted volume the user is required to select the AES encryption key size 128 192 256 and select passphrase source as SSH or HTTP selected file upload see C 4 1 The passphrase will...

Страница 47: ...nt is the number of computational iterations a passphrase is put through before it is used to unlock a key slot If multiple key slots are enabled the supplied passphrase is processed in key slot seque...

Страница 48: ...Note Cryptsetup preparation using iSCSI Target Mode Due to the way that the passphrase manipulation and error checking occurs within the DTU software if iSCSI target mode is used to prepare the Crypt...

Страница 49: ...authentication It should be made clear that this authentication mechanism is also encrypted No password is transmitted in the clear As with the discussion of password entropy in section C 2 it is mos...

Страница 50: ...Targa Systems Division S4 Ethernet NAS DTS Installation Guide 32003272 1 Rev 5 C 5 2 Encrypted Volume External Event forced un mount 46...

Страница 51: ...tatic IP addresses only To give a client with a specific MAC address a static IP address use this dhcp host line Static IP Address must be outside the Dynamic Range dhcp host 11 22 33 44 55 66 192 168...

Страница 52: ...to convert the computed MTBF to additional environments Series 4 Data Transfer Devices DTD40SA3 ccc 2 MTBF hrs for Capacity ccc Environment 32GB 64GB 128GB 256GB GB 35 C 341 263 332 758 316 959 263 52...

Страница 53: ...o the DTU writing network packet data to the DTD in addition to the normal requirements of the network transfer netcapture cfg Configuration file The netcapture cfg file is a simple text file located...

Страница 54: ...ast eg ETH1_NC_FILTER host 192 168 3 231 and port ftp See manpage for pcap filter that is part of the tcpdump documentation ETHx_NC_ARGS Arguments to tcpdump eg ETH1_NC_ARGS n C 10 ttttt See manpage f...

Страница 55: ...gorithm selected and disk capacity Do not use this process to clean up the DTD disk 3 Sanitize is two 2 step process Sanitize algorithms 2 7 must be followed by the Restore DTD operation 4 Do not powe...

Страница 56: ...Targa Systems Division L 3 Communications Canada Blank Page...

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