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5

 Routine Maintenance and Troubleshooting

About This Chapter

This chapter describes methods for maintaining and troubleshooting issues for the N8300.

5.1 Product Routine Maintenance

During N8300 routine maintenance, you can discover potential problems.

5.2 Product Troubleshooting

This section describes the troubleshooting principles and methods.

Symantec FileStore N8300 (Software Release 5.6)
Product Description Guide

5 Routine Maintenance and Troubleshooting

Issue 01 (2011-05-05)

Symantec Corporation

5-1

Summary of Contents for FileStore N8300

Page 1: ...Symantec FileStore N8300 Software Release 5 6 Clustered NAS Storage System V100R002 Product Description Guide Issue 01 Date 2011 05 05 Symantec Corporation ...

Page 2: ...erty of their respective holders Notice The purchased products services and features are stipulated by the contract made between Symantec and the customer All or part of the products services and features described in this document may not be within the purchase scope or the usage scope Unless otherwise specified in the contract all statements information and recommendations in this document are p...

Page 3: ...uct Routine Maintenance 5 2 5 1 1 Introduction to Routine Maintenance 5 2 5 1 2 Introduction to Remote Access 5 3 5 1 3 Maintenance Features 5 5 5 2 Product Troubleshooting 5 5 6 Technical Indexes 6 1 6 1 Specifications 6 2 6 1 1 Product Configuration Information 6 2 6 1 2 Performance Parameters 6 3 6 1 3 Function Parameters 6 4 6 1 4 Power Parameters 6 5 6 1 5 Dimensions and Weight 6 6 6 2 Enviro...

Page 4: ...otocol Standards 7 2 7 2 Safety and EMC Standards 7 3 7 3 Industrial Standards 7 3 Contents Symantec FileStore N8300 Software Release 5 6 Product Description Guide ii Symantec Corporation Issue 01 2011 05 05 ...

Page 5: ...ition diagram two clustered NAS engine nodes with one S5500 3 2 Figure 3 2 N8300 component decomposition diagram four clustered NAS engine nodes with two S5500s 3 3 Figure 3 3 N8300 component decomposition diagram four clustered NAS engine nodes with two S2600s 3 4 Figure 3 4 Networking of the large scale computing storage applications 3 5 Figure 3 5 Networking of applications using both NAS and S...

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Page 7: ...ch with a single power module 6 6 Table 6 8 Power parameters of the Fibre Channel FC switch 6 6 Table 6 9 Dimensions and weight of the SC611 20 cabinet 6 6 Table 6 10 Dimensions and weight of the clustered NAS engine node 6 6 Table 6 11 Dimensions and weight of the S5000 series storage system 6 7 Table 6 12 Dimensions and weight of the S2600 storage system 6 7 Table 6 13 Dimensions and weight of t...

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Page 9: ...System hereinafter referred to as the N8300 1 1 Product Positioning This chapter describes the positioning of the N8300 1 2 Product Features This chapter describes the features of the N8300 Symantec FileStore N8300 Software Release 5 6 Product Description Guide 1 Positioning and Features Issue 01 2011 05 05 Symantec Corporation 1 1 ...

Page 10: ...ral gas health and life sciences manufacturing and e discovery Potential application scenarios for the N8300 are listed as follows l Video and audio sharing and downloading over the Internet and large scale Local Area Networks LANs l Video surveillance and satellite images used by governments l Risk analysis securities finance derivative transactions and file image for the financial industry l Vid...

Page 11: ...e conventional NAS device has limited capacity and performance and thus multiple NAS devices are required for mass capacity or high performance Meanwhile data cannot be shared between these NAS devices which makes device management and maintenance difficult In this data isolated environment uneven access frequencies may occur This leads to a performance bottleneck l Availability Symantec FileStore...

Page 12: ...ite of small block data Expanding the storage capacity Enhancing flexibility enabling different applications to concurrently access the same or different data l High performance Providing multiple service ports Providing expandable CPUs and caches Realizing service provisioning by multiple storage controllers l High availability Providing always on file service for implementing continuous services...

Page 13: ...s chapter describes the appearance and system architecture of the N8300 2 2 Hardware Architecture This chapter describes the hardware architecture of the N8300 2 3 Software Architecture This chapter describes the software architecture of the N8300 Symantec FileStore N8300 Software Release 5 6 Product Description Guide 2 System Architecture Issue 01 2011 05 05 Symantec Corporation 2 1 ...

Page 14: ...s l System cabinet Clustered NAS engine node Ethernet switch Fibre Channel FC switch Storage units Power distribution device of the cabinet l Disk cabinet Storage unit Power distribution device of the cabinet l User management sub systems UMSSs 2 System Architecture Symantec FileStore N8300 Software Release 5 6 Product Description Guide 2 2 Symantec Corporation Issue 01 2011 05 05 ...

Page 15: ...d NAS Engine Node The clustered NAS engine of the N8300 supports two to six nodes and automatic failover and failback among nodes Figure 2 2 shows the appearance of the clustered NAS engine node Symantec FileStore N8300 Software Release 5 6 Product Description Guide 2 System Architecture Issue 01 2011 05 05 Symantec Corporation 2 3 ...

Page 16: ...torage unit These models provide different performances capacities interfaces and expansion capabilities Figure 2 3 and Figure 2 4 shows the appearance of the storage unit Figure 2 3 Appearance of the S5500 or S5600 enclosure 2 System Architecture Symantec FileStore N8300 Software Release 5 6 Product Description Guide 2 4 Symantec Corporation Issue 01 2011 05 05 ...

Page 17: ...ver the heartbeat network Figure 2 5 Appearance of the Ethernet switch for the heartbeat network For applications that connect the clustered NAS engine to the storage unit you can configure two Fibre Channel FC switches for providing redundant links between the clustered NAS engine nodes and the storage units Figure 2 6 shows the appearance of the FC switch Symantec FileStore N8300 Software Releas...

Page 18: ... 64 bit operating system The software architecture is comprised of the Cluster File System CFS and Cluster Volume Manager CVM at the core layer and all types of NAS applications at the user layer Figure 2 7 shows the application architecture 2 System Architecture Symantec FileStore N8300 Software Release 5 6 Product Description Guide 2 6 Symantec Corporation Issue 01 2011 05 05 ...

Page 19: ...ware functions include Selection of paths between the application server and the storage unit UltraPath is loaded as a kernel module and registered as a virtual storage unit in the operating system The application server communicates with the storage unit through the path selected by UltraPath Failover Failover refers to service switchover upon failure To ensure reliable data transfer multiple pat...

Page 20: ...gent selects different remote application policies according to different application scenarios its functions include Providing the periodic remote replication function by using the task scheduling program crontab of the operating system Ensuring the consistency of application data and achieving the value added functions of the storage system by cooperating with the AppProxy software Ensuring the ...

Page 21: ... that has been linked to the application server Executing multiple value added management commands on the application server Symantec FileStore N8300 Software Release 5 6 Product Description Guide 2 System Architecture Issue 01 2011 05 05 Symantec Corporation 2 9 ...

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Page 23: ...tion Modes This section describes some possible configuration scenarios supported by the N8300 3 2 Application Scenarios This section describes the typical application scenarios supported by the N8300 Symantec FileStore N8300 Software Release 5 6 Product Description Guide 3 Application Scenarios Issue 01 2011 05 05 Symantec Corporation 3 1 ...

Page 24: ... diagrams as shown in Figure 3 1 Figure 3 2 and Figure 3 3 Figure 3 1 N8300 component decomposition diagram two clustered NAS engine nodes with one S5500 1 Clustered NAS engine node 2 S5500 storage unit controller enclosure 3 D200 disk enclosure of the storage unit 3 Application Scenarios Symantec FileStore N8300 Software Release 5 6 Product Description Guide 3 2 Symantec Corporation Issue 01 2011...

Page 25: ...Clustered NAS engine node 2 Ethernet switch 3 Fibre Channel FC switch 4 S5500 controller enclosure of the storage unit 5 D200 disk enclosure of the storage unit Symantec FileStore N8300 Software Release 5 6 Product Description Guide 3 Application Scenarios Issue 01 2011 05 05 Symantec Corporation 3 3 ...

Page 26: ...cenarios supported by the N8300 Large Scale Computing Storage Application As a high performance clustered NAS storage product the N8300 provides high availability and high reliability for high performance computing services breaking the I O performance bottleneck of the hard disk The redundancy design of the N8300 ensures that N8300 services are not affected by a faulty component 3 Application Sce...

Page 27: ...d SAN NAS IP SAN N8300 Ethernet Switches Service Hosts Windows Linux OS AIX HP UX and Solaris Tiered Storage Applications The N8300 provides storage tiering functionality for optimizing primary storage data and improving service performance Using storage tiering infrequently used or cold data is migrated to inexpensive disk storage but the availability of the migrated data is maintained which enab...

Page 28: ...er Upon receiving the command the N8300 transfers the data to be backed up to the NetBackup Media Server over the IP network and then the NetBackup Media Server writes the data onto the backup media l The N8300 has a built in NetBackup client If the NetBackup client is used for backup the NetBackup Master Server and Media Server are required in the application environment Meanwhile if the Domain N...

Page 29: ...8300 to the remote N8300 through the Local Area Network LAN and the Wide Area Network WAN l When using SAN applications the LUN is remotely backed up through the synchronous asynchronous remote replication function of the storage unit The remote replication of the LUN can be achieved using storage unit FC ports or iSCSI ports When performing remote replication you must connect the storage unit to ...

Page 30: ...very Remote N8300 Local N8300 FC IP Network IP Network Service Hosts Windows Linux OS AIX HP UX and Solaris 3 Application Scenarios Symantec FileStore N8300 Software Release 5 6 Product Description Guide 3 8 Symantec Corporation Issue 01 2011 05 05 ...

Page 31: ...urations supported by the N8300 4 1 Introduction to Configuration This section describes the configuration types and methods supported by the N8300 4 2 Typical Configuration Symantec FileStore N8300 Software Release 5 6 Product Description Guide 4 Product Configuration Issue 01 2011 05 05 Symantec Corporation 4 1 ...

Page 32: ... files in a remote system just like accessing local files The NFS enables each node computer to utilize network resources as conveniently as local resources CIFS NFS configurati on in the domain l Provides file share services l The service is the basic configuration in the domain Configuring a CIFS share in an AD domain Active Directory AD is a directory service for Windows Standard Server Windows...

Page 33: ...tem File system replication allows users to define the policy for periodically replicating a file system of the local N8300 to a remote N8300 The feature is also applicable for content sharing and replication A typical application scenario for this feature is point to point disaster recovery Configuring backup through the NDMP NDMP is an open protocol that can be used for data backup and recovery ...

Page 34: ...er mirror still support the services In this way full data redundancy is achieved Configuring storage tiering Dynamic Storage Tiering DST allows you to create predefined storage policies for storing seldom accessed data on inexpensive storage media while storing frequently accessed hotspot data on high performance storage media You are allowed to control the data migration rules by formulating the...

Page 35: ... master LUN is faulty the slave LUN takes over the services After the master LUN recovers the services are switched back onto the master LUN Remote LUN replication is used for data disaster recovery Configuring a LUN copy A LUN copy copies data from the souce LUN to the target LUN A LUN copy supports full copy and incremental copy The LUN copy function quickly backs up data between arrays and copi...

Page 36: ...o maintain N8300 devices efficiently and conveniently For details on accessing and using CLI see the FileStore N8300 Clustered NAS Storage System Command Reference 4 2 Typical Configuration For details about the configuration operations refer to the FileStore N8300 Clustered NAS Storage System Configuration Guide 4 Product Configuration Symantec FileStore N8300 Software Release 5 6 Product Descrip...

Page 37: ...1 Product Routine Maintenance During N8300 routine maintenance you can discover potential problems 5 2 Product Troubleshooting This section describes the troubleshooting principles and methods Symantec FileStore N8300 Software Release 5 6 Product Description Guide 5 Routine Maintenance and Troubleshooting Issue 01 2011 05 05 Symantec Corporation 5 1 ...

Page 38: ...r performing routine maintenance of the N8300 Purpose l To discover faults in a timely manner by checking the current status of the device l To ensure that the device is in a normal state and provide maximum protection against faults Items and Periods of Routine Maintenance Table 5 1 lists the items and periods for routine maintenance Table 5 1 Items and periods for routine maintenance Maintenance...

Page 39: ...ge unit disks Once a week recommended Maintenance Tools Table 5 2 lists the necessary tools for routine maintenance Table 5 2 Tools for routine maintenance Name Function ISM client Implements routine maintenance for devices and collects related data CLI login tools third party tools Dedicated tools or materials for cleaning optical fibers Cleans the optical fibers to prevent damage to optical fibe...

Page 40: ...sktop the password used to log in to the remote desktop cannot be null Remote assistance High l The host of the assisted is temporarily controlled by the assistant who is called the expert in the remote assistance program l The assistant and the assisted can communicate or send files by the Remote Assistance dialog box l It is easy to operate l There are Windows hosts in the equipment room l Hosts...

Page 41: ...ance data you can basically judge the type and location of the fault If alarms can be collected normally the analyzing method applies to locating any fault For example during the running of the services the service performance is degraded and the alarm buzzer of the N8300 buzzes the alarm buzzer is not set to be mute To remedy this log into the ISM and enter the Alarm Management interface Then cli...

Page 42: ...ter replacement put the faulty FC port module into an electrostatic sensitive device ESD prevention bag and tag the bag for the subsequent handling 5 Routine Maintenance and Troubleshooting Symantec FileStore N8300 Software Release 5 6 Product Description Guide 5 6 Symantec Corporation Issue 01 2011 05 05 ...

Page 43: ...he N8300 6 1 Specifications This chapter describes the specifications of the N8300 6 2 Environmental Requirements This section describes environmental requirements including temperature humidity altitude and noise Symantec FileStore N8300 Software Release 5 6 Product Description Guide 6 Technical Indexes Issue 01 2011 05 05 Symantec Corporation 6 1 ...

Page 44: ...rted configurations of the N8300 Table 6 1 shows the configurations of the N8300 Table 6 1 Supported configurations of the N8300 Name Item Configuration System System architecture l 2 6 Clustered NAS gateway nodes l Optional Ethernet switch l Optional Fibre Channel FC switch l Storage system S2600 storage system S5500 storage system S5600 storage system l Optional SC611 20 storage system cabinet S...

Page 45: ... describes the performance parameters of the N8300 Table 6 2 lists the performance parameters of the N8300 Table 6 2 Performance parameters of the N8300 Name Item Parameter NAS application Sequential read write bandwidth 225 MB s for each node Maximum rate of the back end Fibre Channel FC port 4 Gb s Maximum rate of the front end service port 2 Gb s OPS Read based on NFS CIFS FTP HTTP 8000 for eac...

Page 46: ...k port binding Supporting user quota management Supporting NDMP and NetBackup backup modes Storage unit Supporting redundancy and hot swap of key modules the fan power supply battery and controller Providing data protection against power failure Supporting background LUN formatting Supporting a maximum LUN capacity of 16 TB Supporting SSDs Supporting graphical management and configuration interfac...

Page 47: ...00 series storage system with a single power module Parameter Value Power l S5500 controller enclosure 820 W l S5600 controller enclosure 840 W l D200 disk enclosure 670 W Range of the input voltage frequency 200 240 V AC 47 63 Hz Table 6 6 Power parameters of the S2600 storage system with a single power module Parameter Value Power l S2600 controller enclosure 340 W l D120S disk enclosure 230 W R...

Page 48: ... Weight This section describes the dimensions and weight of each component of the N8300 Cabinet Table 6 9 Dimensions and weight of the SC611 20 cabinet Parameter Value Height 205 cm 80 in Width 57 5 cm 24 in Depth 111 8 cm 44 in Clustered NAS Engine Node Table 6 10 Dimensions and weight of the clustered NAS engine node Parameter Value Height 8 6 cm 3 4 in Width 48 2 cm 19 in Depth 72 1 cm 28 4 in ...

Page 49: ...ons and weight of the S2600 storage system Parameter Value Height 8 6 cm 3 4 in Width 44 6 cm 17 6 in Depth 53 6 cm 21 1 in Weight in full configuration l S2600 controller enclosure 27 7 kg 61 lb l D120S disk enclosure 26 5 kg 58 3 lb Switch Table 6 13 Dimensions and weight of the Ethernet switch Parameter Value Height 4 4 cm 1 7 in Width 44 2 cm 17 4 in Depth 42 cm 16 5 in Weight in full configur...

Page 50: ...bes the noise parameters of the N8300 6 2 1 Temperature and Humidity This section describes the requirements of the N8300 on temperature and humidity Table 6 15 lists the requirements of the N8300 on temperature and humidity Table 6 15 Requirements on temperature and humidity Parameter Value Operating temperature 10 35 Maximum temperature change value per hour 10 h Operating humidity 20 RH 80 RH M...

Page 51: ...f 550 feet Storage altitude 16 m to 10 600 m 50 ft to 35 000 ft 6 2 3 Noise This section describes the noise parameters of the N8300 Table 6 17 lists the maximum noise of the N8300 when the ambient temperature is 23 57 5 F Table 6 17 Noise parameters Parameter Value Voice pressure 69 dBA Symantec FileStore N8300 Software Release 5 6 Product Description Guide 6 Technical Indexes Issue 01 2011 05 05...

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Page 53: ...ollowing protocol standards 7 2 Safety and EMC Standards The N8300 is compliant with the following safety and EMC standards 7 3 Industrial Standards The N8300 is compliant with the following industrial standards Symantec FileStore N8300 Software Release 5 6 Product Description Guide 7 Standard Compliance Issue 01 2011 05 05 Symantec Corporation 7 1 ...

Page 54: ...ial Attached SCSI 1 1 SAS 1 1 l T10 1562D Rev 05 Serial Attached SCSI SAS l T10 1601D Rev 07 Serial Attached SCSI Model 1 1 SAS 1 1 l SFF 8301 Form Factor of 3 5 Disk Drives l SFF 8323 3 5 drive form factor with serial connector l SFF 8482 SAS plug connector SCSI 3 l SAM 2 ANSI INCITS 366 2003 l SPC 2 ANSI INCITS 351 2001 l SBC ANSI INCITS 306 1998 SNMP Trap RFC2578 SNMP v2 Ethernet IEEE 802 3 Fas...

Page 55: ... EMC standard EN 55022 European EMC standard EN 55024 7 3 Industrial Standards The N8300 is compliant with the following industrial standards Table 7 3 lists the industrial standards the N8300 complied with Table 7 3 Industrial standards the N8300 complied with Name Standard No ETSI standard environment ETS 300 019 ETSI standard noise ETS 300 753 ETSI standard environment ETS 300 119 ETSI standard...

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