IBM DS3000, DS5000, DS4000 manual Additional Path Information

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Additional Path Information

Status – the overall status of all paths.

“Online” indicates all paths are connected.

“Degraded” indicates one or more paths are not connected.

“Offline” indicates all paths have failed

Load Balance – load balancing policy chosen (Round Robin, Queue Depth, Pressure)

Transfer Count – the total number of bytes transferred on all paths.

Target Port – the DS Storage WWPN (World Wide Port Name).

Read Mode – indicates the selected paths read policy (Preferred, Alternate or Disabled)

Write Mode – indicates the selected paths write policy (Preferred, Alternate or Disabled)

Transferred – the total number of bytes transferred on a particular path.

Digital Media Storage Solution Installation Guide

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Contents Digital Media Storage Solution Installation Guide Contents Appendix Example Configurations Introduction File Sharing EnvironmentsThree Current Solutions Apple HomogenousLinux Homogenous Component Descriptions HeterogeneousApple Clients Linux StorNext Clients and MDC’sSAN Architecture must meet RPQ criteria IBM StoragePlanned Support Rollout Linux StorNext Clients with Linux MDC Heterogeneous Planned Future Enhancements SupportedMeta Data Controller ClientSolution Restrictions and Recommendations HBA’s Connections ZoneStorage Recommended RAID Configurations Solution Installation Page Quantum / Apple Joint Product Support Program Quantum / Apple Joint Product Support ProgramMigrating from Xsan MDC to Stornext MDC Atto Atto Technology, Inc Value PropositionAtto HBA Installation FC84EN FC82EN FC81ENAtto Config Tool Features Atto OS X Driver InstallationAtto OS X Configuration Tool Installation Viewing multipathing information Paths TabPath Status at Target Level Path Status at LUN LevelAdditional Path Information Detailed Info Configuring Multipathing Load Balancing PoliciesFC Host Adapter Configuration Collecting Celerity Host Adapter InfoAtto Problems? Useful OS X ApplicationsAppendix Configuration Scripts Turning AVT OffAppendix Example Configurations Large Heterogeneous StorNext configurationSet host type Lnxclvmware Mid to large -sized MAC Homogenous StorNext configuration Mid-sized MAC Homogenous StorNext configuration DS5020 Front EXP520 Optional Up to 112 drives maximumDS5020 Back Front Small MAC Homogenous StorNext configuration DS3400 Back Front EXP3000 Optional Up to 48 drives maximumMid to large -sized Heterogeneous StorNext configuration RAID 5 4+1 Data RAID 5 8+1 DataAdditional Reference Links Trademarks
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