Index

A

• ABRTS/s
  • about / How do we know when we need more IOPs?
• ACTV counter / Viewing queues in ESXi
• adapter queue / Adapter queue
• array thin provisioning / Array thin provisioning
• Atomic Set & Test (ATS) / SCSI reservation conflicts

C

• CHAP
  • authentication / CHAP authentication
• claiming / ESXi claim rules and LUN masking
• claim rules
  • about / ESXi claim rules and LUN masking
• CMDS/S
  • about / How do we know when we need more IOPs?
• Command-Line Interface (CLI)
  • about / ESXi claim rules and LUN masking
• Common Information Modeling (CIM) / vCenter Server logging
• configuration, vSphere SIOC / Configuring Storage I/O Control

D

• datastore capacity
  • balancing, with SDRS / Balancing capacity with Storage DRS
• datastore file management
  • about / Datastore file management
• DAVG / Inspect latency values to further pinpoint where performance degradation is occurring
• DAVG/cmd / Identifying storage contention and performance issues
• Degraded Storage Path Redundancy / Troubleshooting paths and path selection
  • alarm, setting up / Troubleshooting paths and path selection
• delta.vmdk file / Understanding vSphere Snapshots
• device identifiers
  • viewing, within vSphere Client / Within the vSphere Client
  • viewing, within ESXi Shell / Within ESXi Shell
• Direct User Console Interface (DUCI) / ESXi logging
• Disk.MaxLun / LUN numbering
• disk adapter latency statistics / Disk adapter latency statistics
• disk device latency statistics
  • about / Disk device latency statistics
• disk requirements
  • calculating / Calculating the number of disks required
• disk resignaturing
  • about / Disk resignaturing
• displays, esxtop
  • activating / Activating different displays
• Distributed Resource Scheduler (DRS) / vCenter Server logging
• DQLEN counter / Viewing queues in ESXi

E

• ESXi
  • storage virtualization / Storage virtualization
  • supported filesystems / Supported filesystems
  • storage naming / Storage naming
  • logging / ESXi logging
  • logs, viewing / Viewing ESXi logs
  • logs viewing, View System Logs option used / Viewing ESXi logs
  • logs viewing, vifs command-line used / Viewing ESXi logs
  • storage queues, viewing / Viewing queues in ESXi
• esxtop / Identifying storage contention and performance issues
  • about / Using esxtop/resxtop
  • displays, switching to / Switching displays
  • field, customization / Field customization
  • interval, refreshing / Refresh interval
  • SCSI reservation conflicts, monitoring with / Monitoring SCSI reservation conflicts with esxtop
  • interactive commands / Overview of esxtop's interactive commands
  • displays, activating / Activating different displays
  • field selection / Field selection
  • field order / Field order
  • displayed objects, filtering / Filtering and sorting the displayed objects
  • displayed objects, sorting / Filtering and sorting the displayed objects
  • commands / Other useful information
  • switches / Other useful information
• esxtop statistics
  • about / esxtop statistics
  • CMDS/s / esxtop statistics
  • READS/s / esxtop statistics
  • WRITES/s / esxtop statistics
  • MBREAD/s / esxtop statistics
  • MBWRTN/s / esxtop statistics
  • DAVG/cmd / esxtop statistics
  • KAVG/cmd / esxtop statistics
  • QAVG/cmd / esxtop statistics
  • GAVG/cmd / esxtop statistics
  • AQLEN / esxtop statistics
  • LQLEN / esxtop statistics
  • WQLEN / esxtop statistics
  • ACTV / esxtop statistics
  • QUED / esxtop statistics
  • %USD / esxtop statistics
  • LOAD / esxtop statistics
  • ABRTS/s / esxtop statistics
  • RESETS/s / esxtop statistics
  • RESV/s / esxtop statistics
  • CONS/s / esxtop statistics

F

• Fibre Channel
  • about / Troubleshooting Fibre Channel storage visibility
• Fibre Channel connection issue
  • identifying, in logs / Identifying and interpreting Fibre Channel connection issues in the logs
• Fibre Channel storage visibility
  • troubleshooting / Troubleshooting Fibre Channel storage visibility
• Fibre Channel storage visibility, troubleshooting
  • RSCN / Registered State Change Notification (RSCN)
  • Fibre Channel connection issue, identifying / Identifying and interpreting Fibre Channel connection issues in the logs
• Fibre Channel zoning
  • about / Troubleshooting Fibre Channel storage visibility
• filesystems, ESXi
  • VMFS / VMFS
  • NFS / NFS
  • raw disk / Raw disk
• friendly names, vSphere identifies storage
  • about / Friendly names

G

• GAVG / Inspect latency values to further pinpoint where performance degradation is occurring
• GAVG/cmd / Identifying storage contention and performance issues

H

• head extent / Adding an extent to a VMFS datastore
• hostd.log file / Viewing ESXi logs
• Host Rescan Filter / vCenter Server Storage filters
• hypervisor thin provisioning / Hypervisor (VMDK) thin provisioning

I

• I/O request
  • graphical representation / An I/O request – from start to finish
• identifiers, vSphere identifies storage
  • about / Identifiers
  • NAA identifiers / NAA identifiers
  • T10 identifiers / T10 identifiers
  • IQN identifiers / IQN identifiers
  • MPX identifiers / MPX identifiers
• IOPs
  • about / Planning – how to properly scale your storage
  • requisites, calculating / Calculating IOPs requirements
  • monitoring / How do we know when we need more IOPs?
• IP storage visibility
  • troubleshooting / Troubleshooting IP storage visibility
• IP storage visibility, troubleshooting
  • network connectivity, verifying / Verifying network connectivity to our iSCSI and NFS array
  • iSCSI port requisites / iSCSI and NFS port requirements
  • NFS port requisites / iSCSI and NFS port requirements
  • CHAP, authentication / CHAP authentication
  • iSCSI storage connection issue, identifying / Identifying and interpreting iSCSI storage connection issues in the logs
  • NFS storage / Troubleshooting NFS storage
  • NFS storage connection issue, identifying / Identifying and interpreting NFS storage connection issues in the logs
• IQN identifiers
  • about / IQN identifiers
• IQNs
  • about / IQN identifiers
• iSCSI
  • port requisites / iSCSI and NFS port requirements
• iSCSI IQN
  • about / IQN identifiers
• iSCSI port binding
  • about / iSCSI port binding and Round Robin path policy
• iSCSI storage connection issue
  • identifying / Identifying and interpreting iSCSI storage connection issues in the logs
• iSCSI storage performance
  • troubleshooting / Troubleshooting NAS/iSCSI storage performance
  • about / Troubleshooting NAS/iSCSI storage performance
• iSCSI storage performance, troubleshooting
  • iSCSI port binding / iSCSI port binding and Round Robin path policy
  • Round Robin path policy / iSCSI port binding and Round Robin path policy
  • Jumbo Frames / Jumbo Frames and MTU size
  • MTU size / Jumbo Frames and MTU size

J

• Jumbo Frames
  • about / Jumbo Frames and MTU size

K

• KAVG / Inspect latency values to further pinpoint where performance degradation is occurring
• KAVG/cmd / Identifying storage contention and performance issues

L

• latency
  • about / Identifying storage contention and performance issues
  • monitoring, vCenter alarms used / Using vCenter alarms to monitor latency
• LOAD counter / Viewing queues in ESXi
• logfiles, vSphere Storage troubleshooting
  • ESXi logging / ESXi logging
  • vCenter Server logging / vCenter Server logging
  • virtual machine logging / Virtual machine logging
• Lost Storage Path Redundancy / Troubleshooting paths and path selection
• LUN
  • numbering / LUN numbering
• LUN masking
  • about / ESXi claim rules and LUN masking

M

• maps view
  • about / Maps
• MASK_PATH plugin / ESXi claim rules and LUN masking
• MPX identifiers
  • about / MPX identifiers
• MTU size
  • about / Jumbo Frames and MTU size

N

• NAA identifiers
  • about / NAA identifiers
• network connectivity
  • verifying / Verifying network connectivity to our iSCSI and NFS array
• NFS
  • about / NFS
  • port requisites / iSCSI and NFS port requirements
• NFS ACL / NFS ACLs
• NFS security permission / NFS permissions
• NFS storage
  • troubleshooting / Troubleshooting NFS storage
• NFS storage, troubleshooting
  • NFS ACL / NFS ACLs
  • NFS security permission / NFS permissions
• NFS storage connection issue
  • identifying / Identifying and interpreting NFS storage connection issues in the logs
• non-head extent / Adding an extent to a VMFS datastore

O

• OS queue / OS queue

P

• path selection
  • about / Troubleshooting paths and path selection
• path state
  • viewing / Troubleshooting paths and path selection
• per-LUN queue / Per-LUN queue
• ping command
  • about / Verifying network connectivity to our iSCSI and NFS array
• Profile-Driven Storage / Profile-Driven Storage
• PSP
  • roles / Path Selection Plugin roles and commands
  • commands / Path Selection Plugin roles and commands
  / Troubleshooting paths and path selection

Q

• QAVG / Inspect latency values to further pinpoint where performance degradation is occurring
• QUED counter / Viewing queues in ESXi

R

• RDM Filter / vCenter Server Storage filters
• Remote Procedure Call (RPC)
  • about / NFS
• REPORT LUNS
  • about / Raw disk
• reports view
  • about / Reports
• resxtop
  • about / Using esxtop/resxtop
• Round Robin path policy
  • about / iSCSI port binding and Round Robin path policy
• RSCN
  • about / Registered State Change Notification (RSCN)
• runtime names
  • about / Runtime names

S

• Same Host and Transports Filter / vCenter Server Storage filters
• SATP / Troubleshooting paths and path selection
• SATP plugin
  • roles / Storage Array Type Plugin roles and commands
  • commands / Storage Array Type Plugin roles and commands
• SCSI reservation conflicts
  • about / SCSI reservation conflicts
  • monitoring, with esxtop / Monitoring SCSI reservation conflicts with esxtop
  • resolving / Resolving excessive SCSI resolutions
• SDRS / Storage DRS for performance
  • about / vSphere features to help with latency, contention, placement, and compliance
  • datastore capacity, balancing with / Balancing capacity with Storage DRS
• security models, vSphere / CHAP authentication
• SIOC
  • about / Storage DRS for performance
• software iSCSI error codes
  • interpreting / Interpreting software iSCSI error codes
  • URL / Interpreting software iSCSI error codes
• storage
  • sizing / Planning – how to properly scale your storage
• storage, sizing
  • IOPs requisites, calculating / Calculating IOPs requirements
  • disk requirements, calculating / Calculating the number of disks required
  • IOPs, monitoring / How do we know when we need more IOPs?
• storage connections
  • about / Raw disk
• storage contention
  • identifying / Identifying storage contention and performance issues
  • disk adapter latency statistics / Disk adapter latency statistics
  • disk device latency statistics / Disk device latency statistics
  • virtual machine latency statistics / Virtual machine latency statistics
  • latency monitoring, vCenter alarms used / Using vCenter alarms to monitor latency
• storage performance issues
  • identifying / Identifying storage contention and performance issues
• storage queues
  • about / Storage queuing in vSphere
  • OS queue / OS queue
  • adapter queue / Adapter queue
  • per-LUN queue / Per-LUN queue
  • viewing, in ESXi / Viewing queues in ESXi
• Storage Views tab
  • about / vCenter Storage Views (Reports and Maps)
  • maps section / Maps
• storage virtualization
  • about / Storage virtualization
• swap files
  • about / Virtual machine swap files

T

• T10 identifiers
  • about / T10 identifiers
• thin provisioning
  • about / Thin Provisioning
  • array thin provisioning / Array thin provisioning
  • hypervisor thin provisioning / Hypervisor (VMDK) thin provisioning
  • monitoring / Monitoring Thin Provisioning
• top-level troubleshooting flow
  • about / The vSphere troubleshooting methodology
• troubleshooting, Fibre Channel storage visibility / Troubleshooting Fibre Channel storage visibility
• troubleshooting, IP storage visibility / Troubleshooting IP storage visibility
• troubleshooting, iSCSI storage performance
  • about / Troubleshooting NAS/iSCSI storage performance
• troubleshooting Fibre Channel connection issues
  • Fibre Channel switch zoning / Fibre Channel switch zoning
  • path, checking / Check paths to storage array/PSP
  • ESXi, checking / Various things to check on ESXi
  • storage array, checking / Check the storage array
  • logs, checking / Further check the logs for Fibre Channel related errors
• troubleshooting iSCSI connection failures
  • network requirements, checking / Have all the network requirements for your iSCSI connection been met?
  • ESXi, checking / Various things to check on ESXi
  • CHAP requirements, checking / Have all CHAP requirements been met?
  • advanced settings, checking / Has there been any advanced settings dealing with iSCSI incorrectly configured?
  • logs, checking / Further check the logs for iSCSI-related errors
• troubleshooting NFS connection issues
  • network requirements, checking / Have all the network requirements for you NFS connection been met?
  • NFS array settings, checking / Check the settings on your NFS array
  • advanced settings, checking / Has there been any advanced settings dealing with NFS incorrectly configured?
  • logs, checking / Further check the logs for NFS related errors
• troubleshooting slow storage performance
  • latency values, inspecting / Inspect latency values to further pinpoint where performance degradation is occurring
  • storage array, dealing with / Ensure that your storage array is handling the demand

U

• %USED counter / Viewing queues in ESXi
• UUID
  • about / Disk resignaturing

V

• .vmdk file / Understanding vSphere Snapshots
• .vmsd file / Understanding vSphere Snapshots
• .vmsm file / Understanding vSphere Snapshots
• .vswp file / Virtual machine swap files
• vCenter alarms
  • used, for monitoring latency / Using vCenter alarms to monitor latency
• vCenter Log Insight
  • URL / Virtual machine logging
• vCenter Operations Management Suite / Using vCenter alarms to monitor latency
  • URL / Using vCenter alarms to monitor latency
• vCenter Server logging
  • about / vCenter Server logging
  • location / vCenter Server logging
  • logfile, descriptions / vCenter Server logging
• vCenter Server Storage filters
  • about / vCenter Server Storage filters
  • VMFS Filter / vCenter Server Storage filters
  • RDM Filter / vCenter Server Storage filters
  • Same Host and Transports Filter / vCenter Server Storage filters
  • Host Rescan Filter Filter / vCenter Server Storage filters
• vCenter Storage Views
  • about / vCenter Storage Views (Reports and Maps)
  • reports view / Reports
  • maps view / Maps
• vCenter Syslog Collector
  • about / vCenter Server logging
• View System Logs option / Viewing ESXi logs
• virtual disk
  • about / Raw disk
• virtual machine latency statistics
  • about / Virtual machine latency statistics
• virtual machine logging / Virtual machine logging
• virtual SCSI adapters
  • BusLogic Parallel / Storage virtualization
  • LSI Logic Parallel / Storage virtualization
  • LSI Logic SAS / Storage virtualization
  • VMware Paravirtual SCSI (PVSCSI) / Storage virtualization
• VMFS
  • about / VMFS
• VMFS datastore
  • size, increasing / Increasing the size of our datastores
  • growing / Growing a VMFS datastore
  • extent, adding / Adding an extent to a VMFS datastore
• VMFS datastore usage
  • monitoring / Monitoring datastore usage
• VMFS Filter / vCenter Server Storage filters
• vmkping command
  • about / Verifying network connectivity to our iSCSI and NFS array
• vmkwarning.log file / Viewing ESXi logs
• VM snapshot
  • about / Snapshots, Understanding vSphere Snapshots
• VM snapshot disk usage
  • monitoring / Monitoring snapshot disk usage
• VM snapshot size alarm / Monitoring snapshot disk usage
  • setup / Monitoring snapshot disk usage
• VMware
  • syslog configuring on ESXi, URL / vCenter Server logging
• vmware.log file / Virtual machine logging
• vSphere
  • storage connections / Raw disk
  • security models / CHAP authentication
  • features / vSphere features to help with latency, contention, placement, and compliance
  • Profile-Driven Storage / Profile-Driven Storage
  • SDRS / Storage DRS for performance
  • storage queues / Storage queuing in vSphere
  • VMFS datastore usage, monitoring / Monitoring datastore usage
  • VM snapshot / Snapshots, Understanding vSphere Snapshots
• vSphere 5.1 / Using vCenter alarms to monitor latency
• vSphere APIs for Storage Awareness (VASA)
  • about / Profile-Driven Storage
• vSphere identifies storage
  • friendly names / Friendly names
  • identifiers / Identifiers
  • runtime names / Runtime names
• vSphere PSA
  • about / The vSphere Pluggable Storage Architecture
  • tasks / Pluggable Storage Architecture (PSA) roles and commands
  • commands / Pluggable Storage Architecture (PSA) roles and commands
  • NMP functions / Multipathing Plugin – the VMware Native Multipathing Plugin roles and commands
  • MPP functions / Multipathing Plugin – the VMware Native Multipathing Plugin roles and commands
  • NMP commands / Multipathing Plugin – the VMware Native Multipathing Plugin roles and commands
  • SATP plugin functions / Storage Array Type Plugin roles and commands
  • SATP plugin commands / Storage Array Type Plugin roles and commands
  • PSP plugin functions / Path Selection Plugin roles and commands
  • PSP plugin commands / Path Selection Plugin roles and commands
• vSphere SIOC
  • about / vSphere Storage I/O Control
  • configuring / Configuring Storage I/O Control
• vSphere Storage troubleshooting
  • Performance Troubleshooting for vSphere 4.1, URL / The vSphere troubleshooting methodology
  • about / The vSphere troubleshooting methodology
  • vCenter Storage Views / vCenter Storage Views (Reports and Maps)
  • logfiles / Logfiles used in vSphere Storage troubleshooting
  • visibility issue / Common storage visibility issues across block transport types
• vSphere Storage troubleshooting, visibility issue
  • claim rules / ESXi claim rules and LUN masking
  • LUN masking / ESXi claim rules and LUN masking
  • path selection / Troubleshooting paths and path selection
  • vCenter Server Storage filters / vCenter Server Storage filters
  • disk, resignaturing / Disk resignaturing
  • LUN, numbering / LUN numbering
• vStorage APIs for Array Integration (VAAI) / SCSI reservation conflicts

W

• WWN
  • about / Troubleshooting Fibre Channel storage visibility
• WWN zoning / Troubleshooting Fibre Channel storage visibility