ATTO Technology 2500C manuale d’uso

A TT O T echnology , Inc. AT T O iPBridge TM 2500C/R/D Inst allation and Operation Manual © 2005 A TT O T echnology , Inc. All rights reserved. Al l brand or p roduct names are trademarks of their respective holders. No part of this manual may be reproduced in any form or by any means without the express written permission of A TTO T echnology , I[...]

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Content s 1 iPBridge 2500 provide storage options ............................................1 iPBridge2500 featur es Connectivity, infras tructure solutions 1.1 ATTO iPBridge 2500R/D .......... ............................................3 Dimensions Environment Power SCSI interface Ethernet interface Serial interface LED indicators Installation [...]

2.5 Additional configurati ons ............... ............................ .........19 Change the current user name, password Set the Real Time Clock Create a read only password or user na me Configuring SCSI devices SNMP protocol 3 ATTO ExpressNAV interface ............... ................................ ..............21 Browser compatibility To[...]

Checking SCSI devices Checking iPBridge SCSI ports Checking iPBridge Ethernet ports Checking the LAN/WAN Checking Ethernet Host Adapter or NIC Checking the applications Checking the host system Checking the Operating System 7 Alternative interface opti ons .............. ................................ ..............33 Use the serial port or heade[...]

DumpEventLog DumpT rac eLog EventLog EventLogFilter Help IdentifyBridge Info iSCSIT argetNameDisplay IsReserved NDMPS ta tus Ping RMON RouteDisplay SCSIPortList SCSIT argets SerialNumber SNMPDumpMIB SNMPExtendedT rap s SNMPT r apAddress SNMPT rap s T ailEventLog T emperatur e T raceLog T raceLogFilter V oltage WrapEventLog WrapT raceLog 7.1.5 SCSI [...]

ReadOnlyPassword RMON Username ReadOnlyUsername 7.1.8 NDMP commands .. ............................ ............ .........53 NDMP AuthT ype NDMPMaxV ersion NDMPPortNumber NDMPS ta tus 7.1.9 iSCSI commands .. ......................................... .........55 iSCSIAlias iSCSIChap iSCSIChapSecret iSCSIPortNumber iSCSIT arget iSCSIT argetNameDispla[...]

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A TTO T echnology Inc. iPBridge Installation and Operation Manual 1 iPBridge 2500 provide storage options T wo pr otocols available on the iPBridge 2500 allow storage devices such as har d drives, tape drives and libraries an d CD jukeboxes to att ach easily to Internet Pr otocol networks such as Gigabit Ethernet. The A TT O iPBridge supports the h[...]

Introduction A TTO ExpressNA V : a web-based management application that allows all of the configurable settings for the iPBridge to be defined, viewed and edited. Connectivity , infrastructure solutions The topology of a heterogeneous Storage Area Network shown below demonstrates the critical role A TTO products play in the design and implementati[...]

3 A TTO T echnology Inc. iPBridge Installation and Operation Manual 1.1 A TT O iPBridge 2500R/D The A TT O iPBridge 2500R/D is a 1-Gigabit Ethernet to SCSI 1U full-rack bridge for midrange high performance, cost effective solutio ns in enterprise envi r onments. The iPBridge 2500R/D includes a single power supply , two Ethernet data ports, an Ether[...]

4 Inst allation: A TTO iPB ridge 2500R/ D Serial inte rface The RS-232 serial por t provides support for remote monitoring and management through a command line interface. It is set at the fa ctory at 1 15,200 bps . Pin outs of the RJ1 1 connector , part number CBL- 091 1-001 are LED indicators The LED indicators can be viewed from the front of the[...]

5 A TTO T echnology Inc. iPBridge Installation and Operation Manual Exhibit 1.1-2 Overview of iPBri dge 2500R/D standar d 19-inc h rack using a center ed 1.25-inch (31.7 mm) hole pattern Ethernet managem ent port RS-232 port Ethernet data p orts SCSI por ts Fault LED SCS I activ ity LE Ds power receptac le Centered 1. 25" hol e patter n for &q[...]

6 Installation: A TTO iPBridge 2500C 1.2 A TT O iPBridge 2 500C The A TT O iPBridge 2500C is a 1-Gigabit Ethernet to SCSI embeddable cPCI bridge for high performance, cost effective solutio ns in enterprise envi r onments. The iPBridge 2500C include s two Ethernet data ports, an Ethernet management port which may be used as a data port in the iPBri[...]

7 A TTO T echnology Inc. iPBridge Installation and Operation Manual GbE cables must be at least CA T -5E certified for 1000 Mb/sec. use. Serial inte rface The RS-232 serial por t provides support for remote monitoring and management through a command line interface. It is set at the fa ctory at 1 15,200 bps . Pin outs of the RJ1 1 connector , part [...]

8 Installation: A TTO iPBridge 2500C Exhibit 1.2-2 A TTO iPBridge 2500C boar d layout M ount ing hol e 5.756" M ount ing hol e -.216 " 6.158" 5.974 " -.218" Et he rn et management por t RS-2 32 por t Et he rn et dat a por t s SCSI por t s 0" 0" M ount ing ho le 6"[...]

9 A TTO T echnology Inc. iPBridge Installation and Operation Manual 2 Configuring the iPBridge Set up your iPBridge by first getting an IP addr ess, then use A TTO Expr essNA V to map devices. Default values ar e appr opriate for most configurations, but may be modified for your needs using A TT O Expr essNA V . Configuration of the A TT O iPBridge[...]

10 Configurat ion: Ethe rnet 2.1 Getting an IP address Set up your iPBridge by first getting an IP addr ess, then use A TTO Exp r essNA V to map devices. The iPBridge is set up by default to request an IP address from a DHCP server . If you do not have a DHCP server to assign IP addresses to devices, get an IP address from your network administrato[...]

11 A TTO T echnology Inc. iPBridge Installation and Operation Manual 2.2 NDMP configuration provides backup NDMP (Network Data Management Pr otocol) pr ovides backup for network-attached storage (NAS) devices. NAS devices ar e dedicated file servers and cannot host applications such as backu p softwar e. NDMP defines a co mmon agent to interface be[...]

12 Configuration : NDMP Setting up NDMP The A TTO iPBridge should firs t be configured for the network using the RS-232 port to establish the correct IP address, subnet mask, gateway and iPBridge names. Authentication can requi re the use of a client name-password pair , along with configuration of the security level (MD5, T ext, or None) used for [...]

13 A TTO T echnology Inc. iPBridge Installation and Operation Manual 2.3 Mapping devices: NDMP Access to SCSI devices is via SCSI bus, tar get and LUNs. CLI commands ar e used to modify the mapping. The easiest way to map devices is to use the Automap command thr ough the A TT O Expr essNA V interface. Note For NDMP-configured iPBridge 2500 models [...]

14 Configuration : mapping NDMP Exhibit 2.3-1 Moving NDMP Names to SCSI ports under NDMP using the A TTO Expr essNA V interface.[...]

15 A TTO T echnology Inc. iPBridge Installation and Operation Manual 2.4 Mapping devices: iSCSI SCSI devices ar e mapped using the designations for the SCSI bus, tar get and LUN. CLI commands ar e used to modify the mapping. The easiest way to map devi ces is to use the Automap command, either thr ough the CLI or the br owser-based interface, A TTO[...]

16 Configurat ion: mappi ng iSCSI Multiple T arget mode Multiple T arget mode breaks the s ingle iSCSI node of the iPBridge and replaces it with a much more configurable mapping scheme. This new mapping scheme allows you to segregate storage into dif ferent iSCSI nodes within the iPBridge, with each iSCSI target having its own set of access criteri[...]

17 A TTO T echnology Inc. iPBridge Installation and Operation Manual Exhibit 2.4-1 Examples of single and multiple ta r get modes Serve r 1 Bridg e SN 000123 iqn . 1995 - 12 . c om . att otech : ipbridge : sn - ipb 2500000123 Ethernet Netwo rk SCSI device Serve r 2 Physical connections Initiator/H ost to Network Network to iPBridge Ethernet port iP[...]

18 Configurat ion: mappi ng iSCSI Exhibit 2.4-2 Mapping with A TT O Expr essNA V[...]

19 A TTO T echnology Inc. iPBridge Installation and Operation Manual 2.5 Additional configurations Default values ar e appr opriate for most configurations, but may be m odified for your needs u sing A TT O Expr essNA V . It is best practice to change th e default user name and password to a user name and password significant to you. Note If you ha[...]

20 Configura tion: a ddition al modes Configuring SCSI devices 1 If you have not alread y, open an Express NAV session. For instructions, refer to Opening an ExpressNAV sess ion on page 21. 2 Determine the curren t speed and transfer rates: type at the SCSI page. 3 SCSI Port Bus Speed controls the transfer ra te at which the iPBridge attempts to ne[...]

21 A TTO T echnology Inc. iPBridge Installation and Operation Manual 3 A TTO ExpressNA V interface The easiest way to communica te with the A TTO iPBridge is to use the br owser -based in terface. A TT O T echnology’ s Expr essNA V , a br owser -based configuration tool, contains all the curr ent capabilities of the CLI in a user-fri endly GUI in[...]

22 A TTO ExpressNA V Note It is best practice to change the default user name and password af ter you have configured your iPBridge. If you do so, record the new user name and password in a convenient place. The Status page appears. 5 Follow the links to find information or configur e your iPBridge. Each link takes you to a page such as the Time &a[...]

23 A TTO T echnology Inc. iPBridge Installation and Operation Manual 3.1 ExpressNA V p ages Each page in the A TT O Expr essNA V interface pr ovides information and/or configu ration parameters based on a specif ic topic. Each page can be r eached thr ough the menu at the side of each page. An image on each page’ s header shows each port in the p[...]

24 A TTO ExpressNA V A text field beneath th e box lists the most recent commands issued to the iPBridge through th is page. If you enter an incorr ec t parameter, the CLI help text is displayed, showing the parameters available. 3 If your entry was correct, type saveconfiguration 4 Click the Subm it button. Your changes are implemente d. Firmware [...]

25 A TTO T echnology Inc. iPBridge Installation and Operation Manual 4 Up dating firmware Several pr ocessors contr ol the flow of data in the A TT O iPBridge. The firmwar e to contr ol these pr ocessors can easily be upgraded in the field using the A TTO Expr essNA V interface o r the PUT command fr om an FTP connection. The A TTO Expr essNA V met[...]

26 Copy iPBri dge config urations 5 Copying iPBridge configurations Y ou can copy the configu ration fr om one iPBridge to another in the field using the GET and PUT commands fr om an FTP connection or the ZModem SEND and RECEIVE commands over a serial connection. An iPBridge configuration file can be saved from one iPBridge and copied to another i[...]

27 A TTO T echnology Inc. iPBridge Installation and Operation Manual 6 T roubleshooting If it is clear that a particular component system is at fault in a pr oblem situation, go dir ectly to that component. If it is not clear , the best appr oach is to tr oubleshoot using the inside-out method. Y ou may check on the status of your iPBridge using th[...]

28 Check for problems on att ached devices Check the following in order to find problems on attached devices: • LEDs • Display panels • Firmware levels • Operability Check host versions Check the following to find problems on attached hosts: • Operating system version • Service pack version • Host adapter version • Host adapter firm[...]

29 A TTO T echnology Inc. iPBridge Installation and Operation Manual not showing up, contact your service representative. 5 If all devices appear, invoke the ScsiTargets command several times on each SCSI port to verify that the devices can be seen. If devices disappear then ap pear again, the problem is most likely a SCSI cable. For information on[...]

30 2 If there are router s involved in the setup, make sure the IP addresses and/or MAC addre sses of the iPBridge are allowed through the route r. 3 Verify that the switch can see the iPBridge on the port(s) in question. Refer to your switch vendor’s guide for more in formation. Checking the iSCSI Host Adapter or NIC iSCSI host adapters appear a[...]

31 A TTO T echnology Inc. iPBridge Installation and Operation Manual Performance issues If the host is not getting th e performan ce it should, check the following items. Checking SCSI devi ces 1 Verify that the devices are r unning at their highest possible SCSI sp eed. Refer to SCSI configuration commands on page 47. Mixing SE and LVD devices o n[...]

32 Checking the host syst em The faster the host, the faster your tr ansfer times are. The work flow goes only as fast as the slowest connection in the host sys tem, so transferring data from an IDE drive, 100Mb connection, a DL T 4000, a high speed RAID volume acros s the country , or other applications, slows the system no matter how fast everyth[...]

33 A TTO T echnology Inc. iPBridge Installation and Operation Manual 7 Alternative interface options Alternative methods to using the A TTO Expr essNA V interface may be used to manage the iPBridge. A TT O Expr essNA V is the r ecommended interface. Use the serial port or header 1 Connect a cable from iPBridge RS- 232 serial port or heade r to the [...]

34 Altern ative int erfaces Exhibit 7.0-1 S tart up messages. ATTO iPBridge 2500 (c) 2002 - 2005 ATTO Technology, Inc orporated. Firmware version Q75H release date M ay 5 2005, 12:29:33 Build Q75H 128 Megabytes of RAM Installed. 3 GbE Data Port(s). 2 LVD SCSI Interface Port(s). Bridge World Wide Name = 20 00 00 10 86 50 05 08 Bridge Serial Number =[...]

35 A TTO T echnology Inc. iPBridge Installation and Operation Manual 7.1 CLI provides ASCII-based interface The command line interface (CLI) pr ovides access to the A TTO iPBridge Services thr ough a set of ASCII commands. CLI commands may be enter ed while in CLI mode. iPBridge Services provide configuration and monitoring for the iPBridge. CLI co[...]

36 CLI 7.1.1 CLI commands summary A summary of the Command Line Interface commands, t heir defaults, an example of how they might be used, and wher e you can find the specifics of the command. Commands which have no default values associated with t hem have a blank entry in that column of the tabl e. Command Defaults Example Page AutoMap aut omap 5[...]

37 A TTO T echnology Inc. iPBridge Installation and Operation Manual iSNSServer 0.0.0 .0 get isnsserv er 56 IsReserved isreserved 44 MaxOpT emp 70 get maxoptemp 41 MinOpT emp 0 set minoptem p 10 41 MultiT argetMode disabled get multitargetmo de 56, 57 NDMP AuthT ype none set ndmpauthtype text 53 NDMPMaxV ersion 4 set ndmpmaxversion 3 53 NDMPPortNum[...]

38 CLI Exhibit 7.1-2 The following err or messages may be r eturned by the Command line Interface: ERROR. Invalid Command. Type 'Help' for command list. ERROR. Wrong/Missing Parameters Usage: <usage string> ERROR. Command Not Processed. Exhibit 7.1-3 If you enter a parameter for a CLI command in corr ectly , the CLI help file displa[...]

39 A TTO T echnology Inc. iPBridge Installation and Operation Manual 7.1.2 General use commands These CLI commands ar e used in a variety of situations Help Displays a list of available commands. If a command name is specified, displays detailed command- specific information. Immediate command: He lp [command name] Password Specifies a passwor d fo[...]

40 CLI Username Specifies a user name for all telnet, FTP and Expr essNA V web server sessions. Username is case insensitive, 1-32 characters with no spaces. Changes to the Admin Level user name r equir es an Admin Level passwor d. Default: root Set synta x: set Usern ame [username] Requires ente ring a pa ssword Requires a Sa veConfiguratio n comm[...]

41 A TTO T echnology Inc. iPBridge Installation and Operation Manual 7.1.3 Maintenance commands The CLI commands outlined in this chapter may be used to get information or perform functions which ar e used in a variety of situations wit h the A TT O iPBridge. Date Sets the date for the iPBridge if SNTP has been disabl ed or is not avai lable. Set s[...]

42 CLI SNTP Contr ols the SNTP (Simple Net work T ime Protocol) settings for the iP Bridge. When enab led, the iPBridge tries to contact a specified SNTP server at r eset and every 12 hours after to initialize/synchr onize the time. Default: Enabled Set syntax: set SNTP [enabled|disabled] Requires a SaveConfiguration co mmand Get syntax: get SNTP S[...]

43 A TTO T echnology Inc. iPBridge Installation and Operation Manual 7.1.4 Diagnostic commands A TT O iPBridge diagnostic commands hel p validate iPBridge operation and diagnose or isolate iPBridge faults. Event logging is a mechanism for on-site observation of internal iPBridge behavior such as tracing SCSI commands r eceived over the GbE fr om th[...]

44 CLI DumpEventLog Dumps the contents of the en tir e event log to an RS-232 or telnet session ( over Ethernet) wi thout impact o n the log itself (the lo g is not clea r ed). No ev ents ar e r ecor d ed until the comm and has been com pleted. Immediate command: DumpEventLog DumpT raceLog Dumps the contents of the en tir e trace lo g to an RS-232 [...]

45 A TTO T echnology Inc. iPBridge Installation and Operation Manual Ping Sends an ICMP echo request to the specified host. Immediate command: Ping [DPn | MPn] [xxx.xxx. xxx.xxx] <count <size>> RMON RMON collects and stores Ethernet data on dat a ports at specified intervals. Y ou ca n display the entir e table r equested, or a singl e [...]

46 CLI SNMPT r apAddres s Sets/displays the IP trap addr esses and levels.Consult your network administ rator for further assistance with SNMP . Index: value be tween 1 an d 6 IP Address: standard IP address T rap Level: severity requi red for an event to tri gger a trap: . None: no traps will be sent to the address . ALL: all triggerin g events wi[...]

47 A TTO T echnology Inc. iPBridge Installation and Operation Manual 7.1.5 SCSI configuration commands The SCSI ports ar e configur ed with default settings but may be cust omized to your specifications using the CLI commands i n this section. SCS IInitID Specifies the SCS I initiator ID to b e used on the specified SCSI port. All maps coinciding w[...]

48 CLI Spe e d Wri t e When enabled, improves the performance of WRITE commands to SCSI devices at tached to the iPBridge. Specify SCSI bus (sb) , tar get (st), LUN (sl ) of a mapped SCSI device or (all) for ea ch curr ently mapped device Set syntax: set S peedW rite scsi [sb st sl | all] [enabled | disabled] Get syntax: get S peedW rite scsi [sb s[...]

49 A TTO T echnology Inc. iPBridge Installation and Operation Manual 7.1.6 Serial port conf iguration commands The A TT O iPBridge serial ports or serial headers ar e configur ed with defau lt settings but may be customized to your specifications using the CLI commands in this section. SerialPortBaudRate Configur es/r eports th e baud rate for t he[...]

50 CLI[...]

51 A TTO T echnology Inc. iPBridge Installation and Operation Manual 7.1.7 Ethernet commands These commands configur e the management and data Ethernet ports including telnet par ameters. DPMTU Contr ols the MTU (Maximum T ransmissi on Unit) used by the Ethernet ports: Incr ea sing the MTU may impr ove thr oughput. Default: 1514 Set syntax: set DPM[...]

52 CLI Ping Sends an ICMP echo request to the specified host. Immediate command: ping [DPn | MPn] [xxx.xxx.xxx. xxx] <count <size>> ReadOnlyPassw ord Specifies a r ead only passwor d for all sessions: NDMP , telnet, FTP a nd Expr essNA V web-based i nterface. A pr ompt asks for the current passwor d, to enter the new passwor d, and to c[...]

53 A TTO T echnology Inc. iPBridge Installation and Operation Manual 7.1.8 NDMP commands If your iPBridge has been conf igur ed for NDMP , default settings to the two iPBridge Ethernet data ports may be customized to your specifications using the CLI commands in this section. Note For NDMP-configured iPBridge 2500 models only NDMP Aut hT ype Contr [...]

54 CLI[...]

55 A TTO T echnology Inc. iPBridge Installation and Operation Manual 7.1.9 iSCSI commands If your iPBridge has been configur ed for iSCSI, default settings may be customized to your specifications using the CLI commands in this section. Note For iSCSI-configured iPBridge models only iSCS IAlias Pr ovides a human-readable name assigned to the iPBrid[...]

56 CLI iSCSIT argetNameD isplay Displays the iS CSI tar get n ame. If Multip le T ar get mod e is enabled, iSCS I tar get nam es ar e listed for all exist ing iSCSI tar gets. Immediate command: iSCSIT argetNameDisplay iSNSLogin Control Specifies whether the iPBridge delegates its access contr ol/authoriza tion to an iS NS server . Default: disabled[...]

57 A TTO T echnology Inc. iPBridge Installation and Operation Manual 7.1.10 Mapping commands Y ou may map devices via the web-based server or thr ough th e management or serial po rts. Refer to Mapping devices: NDMP on page 13 and Mapping devices: iSCSI on page 15 for det ails. AutoMap Automatically ass igns a subset of NDMP device name pr otocol a[...]

58 CLI the list to the map which satisfies a sear ch for the given LUN . NumEntries: decimal number of map lines displayed T arget Name: target name Lun : target LUN sb: decimal SCSI bus number st: decimal SCSI target number sl: decimal SCSI LUN number Immediate command, single target mode: RouteDi splay i SCSI <lun > Immediate command, multi[...]

i A TTO T echnology Inc. iPBridge Installation and Operation Manual Appendix A A TT O iPBridge, FibreBridge family The A TT O bridge family of pr oducts pr ovides iSCSI-to-SCSI, iSCSI to Fibr e Channel or Fibr e Channel- to-SCSI bridges available as Compact PCI (CPCI) boar ds, stand alone enclosur es that can be fitted for rackmount integration, or[...]

ii Fibre Bridge products Product features 1 180E/D 1290E 2300E/R/D 2350C 3300R 2400C/R/D 4500C/R/D Number of Fibre Channel port s 111112 1 FC interface DB9/SC SFP SFP SFP SFP SFP SC Data transfers 1 Gigabit 2 Gigabit 2 Gigabit 2Gigabit 2 Gigabit 4 Gigabit 1 Gigabit Number of SCSI ports 122222 4 SCSI interface L VD/SE L VD/SE L VD/SE L VD/SE L VD/SE[...]

iii A TTO T echnology Inc. iPBridge Installation and Operation Manual Appendix B Cabling Additional information to physically connect port s to devices and to your SAN. SCSI cabling Cables and devices must be chosen to maximize performance and minimize the electrical noise from the high-speed data transfers available with the SCSI protocol. Cabling[...]

iv Appendix devices from both SCSI busses to increase overall performance. Each SCSI bus auto-negotiates the appropriate sync rates with the connected devices. If slower devices are mixed with faster devices, the bus communicates at the rate of the slowest device, thus wasting the performance capabilities of the faster devices. Connect slower devic[...]

v A TTO T echnology Inc. iPBridge Installation and Operation Manual Appendix C Glossary Mor e information is avai lable thr ough the S torage Networking Indus try Association ( www .snia.org/education/dictionary) , the Network Data Management T ask For ce ( www .ndmp.org ) , and the IETF ( www .iet f.org ). T erm Definition Btl Bus-T arget-LUN: Ide[...]

vi Appendix SNMP Simple Network Man agement Protocol: a standar d for monitoring and mana ging systems and devices in a netwo rk; data is defined by a MIB; functions supported include the request an d retrieval of dat a SNTP Simple Network Time Protocol: uses a se rver to set the t ime and date over the Ethernet port. T ape Window A fixed-size par [...]

vii A TTO T echnology Inc. iPBridge Installation and Operation Manual Appendix D Safety st andards and compliances The equipment described in this manual generates and uses radio fr equency ener gy . If this equipment is not used in strict accor dance with the manufactur er's instruction, it can and may cause interfer ence with radio and telev[...]

viii Appendix European St andards Declaration of Conformity This following statement applies to the A TTO iPBridge. This device has been tested in the basic operatin g configuration and found to be compliant with the following European Union standards Application of Council Directive: 89/336/EEC Standard(s) to which conformity is declared: EN55022,[...]

ix A TTO T echnology Inc. iPBridge Installation and Operation Manual Appendix E A TTO accessories The following accessories ar e available thr ough A TTO T echnology . Contact an A TTO T echnology authorized sal es r epr esentative to or der . iSCSI Bridge board-level models A TTO iPBridge 2700C IPBR-2700-C00 4 Gigabit Ethernet by 2 4-Gb Fibre Chan[...]

x Appendix Appendix F W arranty , cont act information Manufactu rer limited warranty Manufacturer warrants to the original purchaser of this product that it will be free from defects in material and workmanship as described in the A TTO T echnology website, www .a ttotech.c om . Manufacturer liability shall be limited to replacing or repairing, at[...]