iSCSI Mark Gonnelly Technical Trainer ATT [email protected] Mitchell Smith Sr. Technical Trainer CNI/ATT [email protected] Jeff McMurdie Technical Trainer CNI/ATT [email protected] Shawn Hoopes Technical Trainer ATT [email protected] Novell one Net vision Novell exteNd™ Opening the door to Web services : Novell Ngage SM : : The experience to solve your business problems Novell Nsure™ Securely getting the right information to the right people : Novell Ngage services combine the real-world experience and knowledge of business management consultants around the world to make sure every Novell solution you implement is based on best practices, customized to meet your needs, and capable of delivering the highest possible return on investment. Novell Nterprise™ The best foundation for your mixed environment Agenda 1 Storage Trends • • • DAS (Direct Attached Storage) NAS (Network Attached Storage) SAN (Storage Area Network) 2 Benefits of NetWare® as a storage platform 3 iSCSI the solution for testing and training Clustering 4 Configuring iSCSI storage – Demo 5 Installing Novell Cluster Services™ (NCS) – Demo 6 Creating and migrating Cluster resources - Demo 7 Novell ATT courses Storage Today—DAS, NAS, and SAN • Netware Windows NT/2K Linux/Unix Direct Attached Storage (DAS) • Netware Windows NT/2K Network Attached Storage (NAS) Linux/Unix • NAS Storage Windows NT/2K FC Switch Netware Linux/Unix Storage Area Network (SAN) Companies are detaching storage from servers to manage escalating storage needs This means deploying NAS and SAN technologies Storage area networks and network attached storage require 75% less personnel to maintain than traditional direct attached storage The Problem with DAS Direct Attached Storage (DAS) Data is bound to the server hosting the disk Netware Windows NT/2K Linux/Unix Expanding the storage may mean purchasing and managing another server Storage is often provisioned badly In heterogeneous environments, management is complicated NAS Issues Network Attached Storage (NAS) Each appliance represents a larger island of storage Netware Windows NT/2K NAS Linux/Unix Data is bound to the NAS device hosting the disk and cannot be accessed if the system hosting the drive fails Storage is laborintensive and thus expensive Benefits of SANs Storage Area Network (SAN) Server Consolidation Storage Consolidation Storage Flexibility and Management Windows NT/2K LAN Free backup and archive SAN Switch Netware Linux/Unix Modern data protection (change from traditional tape backup to snap-shot, archive, geographically separate mirrored storage) Storage Area Networks (SANs) • • • Result of applying core networking principles to storage Retains the flexible topologies, scalability and dynamic behavior of networks Servers are attached to 2 distinct networks • Back-end – servers connect to storage devices • • Servers become clients of storage devices Front-end – Unchanged LAN • Clients see the SAN as DAS (Direct Attached Storage) Key Benefits of NetWare 6 as a Storage Platform Totally scalable, high-performing, feature-rich, distributed SAN file system: Novell Storage Services™ (NSS) • • • • • • • • • • Up to 8 TB volumes (no limit to the number of volumes) Journaling Compression Open file backup support Mirroring and striping Disk quotas Volume pooling and junctions High integrity volumes-flush cache on close Shared disk support for better SAN integration XML-based management infrastructure Key Benefits of NetWare 6 as a Storage Platform (cont.) Native support for all major client access methods • Novell clients (NCP) • Windows clients (CIFS) • Unix clients (NFS) • Macintosh clients (AFP) • Web and Internet clients (HTTP, HTTPS, FTP, and WebDAV) Key Benefits of NetWare 6 as a Storage Platform (cont.) Highly-scalable, load-balancing, directory-enabled clustering environment • • • • • • • Up to 32 servers in an all-active cluster Fan-out failover for load balancing on failover Transparent failover Enhanced cluster resource management Integrated with eDirectory™ Intelligent cluster volume operations Built in cluster volume manager allows for dynamic volume changes in the SAN without rebooting any servers Novell Cluster Services NetWare 6 Storage Area Network (SAN) • Netware6 Cluster • Windows, Mac, Unix, and Novell clients • Windows NT/2K App Server • Linux/Unix App Servers General purpose backup for all SAN data No more zoning off portions of the SAN for specific operating systems No need to learn and deploy multiple clustering solutions No more misprovisioned disks on servers or NAS devices So, get a SAN! NTS problem We can’t teach a clustering course on enterprise equipment because the hardware is too expensive and too heavy. iSCSI to the rescue • • • • Any computer that meets NW6 hardware requirements can become a SAN storage device Use existing servers as your shared storage. iSCSI can run as an additional service. iSCSI on Gigabit Ethernet Hardware is a fraction of the cost of a full Fibre Channel SAN solution. iSCSI is slower but even cheaper on 100 Mb. Before and After BEFORE 950 LB server rack for 12 students AFTER 4 laptops and a hub for 2 or 3 students iSCSI Software Stack • • Target (storage server) appears as local storage device to Initiator(s) Initiator(s) are storage clients that connect to the target server Target Initiators iSCSI Software Stack iSCSI Target: iscsitar.nlm Ton.ncf Target controller Batch file to load target Toff,ncf Batch file to unload target iSCSI Initiator: iscsinit.nlm iscsiham.ham ion.ncf, Initiator controller NetWare HAM driver Batch file to load initiator ioff.ncf Batch file to unload initiator iSCSI common files: iscsilib.nlm iscsinrm.nlm ioctl.nlm Iscsixml.nlm iSCSI common functions Novell Remote Manager plugin interface functions XML interface module red_flag.gif Novell Remote Manager icons green_flag.gif yellow_flag.gif iSCSI Target Create a single iSCSI partition on target machine. Load iscsi target (ton.ncf) on the target machine. It will display the GUID of the iSCSI partition. iSCSI initiator(s) • Load SCSIHD.CDM if not already loaded. • Run ION.NCF (loads files) • Use NoRM or command line to connect to Target (ip address) • • • In NoRM, select Storage Services -> iSCSI Services. Click on the New Session button and enter the ip address of your target. Or at the command line, enter: iscsinit connect <ip address> View the available disk: • • • In NoRM: Manage Server->Volumes->Disk Partitions Command line: list devices ConsoleOne: Properties of server->media tab->devices iSCSI initiator(s) – • (Continued) Initialize the iscsi disk, make it sharable & create an NSS partition using ConsoleOne® or NoRM. • You don’t have to use all the space available. • Create a Pool on your newly created partition. • Create a volume(s) in your pool. • If users will need file access Cluster Enable the Volume • • Chose access protocols - NCP, CIFS, AFP Mount the volume NoRM interface Demonstration 1 2 3 Loading Target Loading Initiators Setting up iSCSI partition Connect to Target Command line NoRM 4 5 Install Novell Cluster Services Confirming all Initiators see the target device List Devices ConsoleOne 6 Create Cluster Enabled Volume Create a Cluster Resource ATT Courses Novell Advanced Technical Training classes www.novell.com/registernow/ Troubleshooting • • • • Deployment Advanced DirXML® • NetWare 6.5 First Class Advanced NetWare 6 Services and Troubleshooting • Novell Cluster Services • Advanced eDirectory 8.7 • iChain® GroupWise® 6.5 ZENworks® for Desktops 4 (4 Day Course) • • Novell Nsure Technical Workshop ZENworks for Servers Unpublished Work of Novell, Inc. All Rights Reserved. This work is an unpublished work and contains confidential, proprietary, and trade secret information of Novell, Inc. Access to this work is restricted to Novell employees who have a need to know to perform tasks within the scope of their assignments. No part of this work may be practiced, performed, copied, distributed, revised, modified, translated, abridged, condensed, expanded, collected, or adapted without the prior written consent of Novell, Inc. Any use or exploitation of this work without authorization could subject the perpetrator to criminal and civil liability. General Disclaimer This document is not to be construed as a promise by any participating company to develop, deliver, or market a product. Novell, Inc., makes no representations or warranties with respect to the contents of this document, and specifically disclaims any express or implied warranties of merchantability or fitness for any particular purpose. Further, Novell, Inc., reserves the right to revise this document and to make changes to its content, at any time, without obligation to notify any person or entity of such revisions or changes. All Novell marks referenced in this presentation are trademarks or registered trademarks of Novell, Inc. in the United States and other countries. All third-party trademarks are the property of their respective owners.