Symbols

/dev/vx/dmp directory, How DMP works
/dev/vx/rdmp directory, How DMP works

A

A/A disk arrays, How DMP works
A/A-A disk arrays, How DMP works
A/P disk arrays, How DMP works
A/P-C disk arrays, How DMP works
A/PF disk arrays, How DMP works
A/PG disk arrays, How DMP works
about
DMP, About Dynamic Multi-Pathing (DMP)
access port, How DMP works
active path attribute, Setting the attributes of the paths to an enclosure
active paths
devices, Displaying the redundancy level of a device or enclosure, Specifying the minimum number of active paths
Active/Active disk arrays, How DMP works
Active/Passive disk arrays, How DMP works
adaptive load-balancing, Specifying the I/O policy
adaptiveminq policy, Specifying the I/O policy
Adding support
vSCSI devices, Adding and removing DMP support for vSCSI devices for an array
administering
virtual SCSI devices, Using Storage Foundation in the logical partition (LPAR) with virtual SCSI devices
AIX based naming scheme, About operating system-based naming
APM
configuring, Configuring Array Policy Modules
array policy module (APM)
configuring, Configuring Array Policy Modules
array ports
disabling for DMP, Disabling I/O for paths, controllers, array ports, or DMP nodes
displaying information about, Displaying information about array ports
enabling for DMP, Enabling I/O for paths, controllers, array ports, or DMP nodes
array support library (ASL), Disk categories
Array Volume ID
device naming, Changing the disk device naming scheme
arrays
DMP support, About discovering disks and dynamically adding disk arrays
ASL
array support library, About discovering disks and dynamically adding disk arrays, Disk categories
Asymmetric Active/Active disk arrays, How DMP works
attributes
active, Setting the attributes of the paths to an enclosure
nomanual, Setting the attributes of the paths to an enclosure
nopreferred, Setting the attributes of the paths to an enclosure
preferred priority, Setting the attributes of the paths to an enclosure
primary, Setting the attributes of the paths to an enclosure
secondary, Setting the attributes of the paths to an enclosure
setting for paths, Setting the attributes of the paths to an enclosure, Specifying the minimum number of active paths
standby, Setting the attributes of the paths to an enclosure
autotrespass mode, How DMP works

B

balanced path policy, Specifying the I/O policy
booting
LVM over DMP, Using DMP with LVM boot disks

D

DDL, Device discovery
Device Discovery Layer, How to administer the Device Discovery Layer
device discovery
introduced, Device discovery
partial, Partial device discovery
Device Discovery Layer, How to administer the Device Discovery Layer
Device Discovery Layer (DDL), Device discovery, How to administer the Device Discovery Layer
device names, Disk devices
configuring persistent, Regenerating persistent device names
user-specified, Setting customized names for DMP nodes
devices
adding foreign, Foreign devices
fabric, Partial device discovery
JBOD, How DMP claims devices
listing all, Listing all the devices including iSCSI
metadevices, Disk devices
path redundancy, Displaying the redundancy level of a device or enclosure, Specifying the minimum number of active paths
pathname, Disk devices
disabled paths, Displaying the paths to a disk
Disabling support
vSCSI devices, Adding and removing DMP support for vSCSI devices for an array
disk arrays
A/A, How DMP works
A/A-A, How DMP works
A/P, How DMP works
A/P-G, How DMP works
A/PF, How DMP works
Active/Active, How DMP works
Active/Passive, How DMP works
adding disks to DISKS category, Adding unsupported disk arrays to the DISKS category
Asymmetric Active/Active, How DMP works
excluding support for, Excluding support for a disk array library
JBOD devices, How DMP claims devices
listing claimed disks in DISKS category, Listing disks claimed in the DISKS category
listing excluded, Listing excluded disk arrays
listing supported, Listing all supported disk arrays
multipathed, Multiple paths to disk arrays
re-including support for, Re-including support for an excluded disk array library
removing disks from DISKS category, Removing disks from the DISKS category
supported with DMP, Listing all supported disk arrays
disk names
configuring persistent, Regenerating persistent device names
disks, Disk categories
adding to DISKS category, Adding unsupported disk arrays to the DISKS category
array support library, Disk categories
categories, Disk categories
changing naming scheme, Changing the disk device naming scheme
configuring newly added, Discovering and configuring newly added disk devices
configuring persistent names, Regenerating persistent device names
Device Discovery Layer, How to administer the Device Discovery Layer
disabled path, Displaying the paths to a disk
discovery of by DMP, Discovering and configuring newly added disk devices
discovery of by VxVM, About discovering disks and dynamically adding disk arrays
displaying naming scheme, Displaying the disk-naming scheme
enabled path, Displaying the paths to a disk
enclosures, About enclosure-based naming
invoking discovery of, Enabling discovery of new disk arrays
listing those claimed in JBODs, Listing disks claimed in the DISKS category
metadevices, Disk devices
naming schemes, Disk device naming in DMP
OTHER_DISKS category, Disk categories
primary path, Displaying the paths to a disk
removing from DISKS category, Removing disks from the DISKS category
scanning for, Discovering and configuring newly added disk devices
secondary path, Displaying the paths to a disk
DISKS category, Disk categories
adding disks, Adding unsupported disk arrays to the DISKS category
listing claimed disks, Listing disks claimed in the DISKS category
removing disks, Removing disks from the DISKS category
displaying
DMP nodes, Displaying consolidated information about the DMP nodes
HBA information, Displaying information about controllers
redundancy levels, Displaying the redundancy level of a device or enclosure
supported disk arrays, Listing all supported disk arrays
Displaying I/O policy
vSCSI devices, How DMP handles I/O for vSCSI devices
displaying statistics
erroneous I/Os, Displaying statistics for queued or erroneous I/Os
queued I/Os, Displaying statistics for queued or erroneous I/Os
DMP
check_all restore policy, Configuring DMP path restoration policies
check_alternate restore policy, Configuring DMP path restoration policies
check_disabled restore policy, Configuring DMP path restoration policies
check_periodic restore policy, Configuring DMP path restoration policies
configuring disk devices, Discovering and configuring newly added disk devices
configuring DMP path restoration policies, Configuring DMP path restoration policies
configuring I/O throttling, Configuring the I/O throttling mechanism
configuring response to I/O errors, Configuring the response to I/O failures, Displaying recovery option values
disabling array ports, Disabling I/O for paths, controllers, array ports, or DMP nodes
disabling controllers, Disabling I/O for paths, controllers, array ports, or DMP nodes
disabling paths, Disabling I/O for paths, controllers, array ports, or DMP nodes
disk discovery, Discovering and configuring newly added disk devices
displaying DMP database information, About displaying DMP database information
displaying DMP node for a path, Retrieving information about a DMP node
displaying DMP node for an enclosure, Retrieving information about a DMP node, Displaying consolidated information about the DMP nodes
displaying DMP nodes, Displaying consolidated information about the DMP nodes
displaying information about array ports, Displaying information about array ports
displaying information about controllers, Displaying information about controllers
displaying information about enclosures, Displaying information about enclosures
displaying information about paths, Displaying the paths to a disk
displaying LUN group for a node, Displaying the members of a LUN group
displaying paths controlled by DMP node, Displaying paths controlled by a DMP node, controller, enclosure, or array port
displaying paths for a controller, Displaying paths controlled by a DMP node, controller, enclosure, or array port
displaying paths for an array port, Displaying paths controlled by a DMP node, controller, enclosure, or array port
displaying recoveryoption values, Displaying recovery option values
displaying status of DMP path restoration thread, Displaying the status of the DMP path restoration thread
displaying TPD information, Displaying information about devices controlled by third-party drivers
dynamic multi-pathing, How DMP works
enabling array ports, Enabling I/O for paths, controllers, array ports, or DMP nodes
enabling controllers, Enabling I/O for paths, controllers, array ports, or DMP nodes
enabling paths, Enabling I/O for paths, controllers, array ports, or DMP nodes
enclosure-based naming, How DMP works
gathering I/O statistics, Gathering and displaying I/O statistics
in a clustered environment, DMP in a clustered environment
load balancing, Load balancing
logging levels, DMP tunable parameters
metanodes, How DMP works
nodes, How DMP works
path aging, DMP tunable parameters
path failover mechanism, Path failover mechanism
path-switch tunable, DMP tunable parameters
renaming an enclosure, Renaming an enclosure
restore policy, Configuring DMP path restoration policies
scheduling I/O on secondary paths, Scheduling I/O on the paths of an Asymmetric Active/Active or an ALUA array
setting the DMP restore polling interval, Configuring DMP path restoration policies
stopping the DMP restore daemon, Stopping the DMP path restoration thread
support for LVM boot disks, Using DMP with LVM boot disks
tuning with templates, About tuning Dynamic Multi-Pathing (DMP) with templates
vxdmpadm, Administering DMP using the vxdmpadm utility
DMP nodes
displaying consolidated information, Displaying consolidated information about the DMP nodes
setting names, Setting customized names for DMP nodes
DMP support
JBOD devices, How DMP claims devices
dmp_cache_open tunable, DMP tunable parameters
dmp_daemon_count tunable, DMP tunable parameters
dmp_delayq_interval tunable, DMP tunable parameters
dmp_fast_recovery tunable, DMP tunable parameters
dmp_health_time tunable, DMP tunable parameters
dmp_log_level tunable, DMP tunable parameters
dmp_low_impact_probe, DMP tunable parameters
dmp_lun_retry_timeout tunable, DMP tunable parameters
dmp_monitor_fabric tunable, DMP tunable parameters
dmp_monitor_ownership tunable, DMP tunable parameters
dmp_native_support tunable, DMP tunable parameters
dmp_pathswitch_blks_shift tunable, DMP tunable parameters
dmp_path_age tunable, DMP tunable parameters
dmp_probe_idle_lun tunable, DMP tunable parameters
dmp_probe_threshold tunable, DMP tunable parameters
dmp_restore_cycles tunable, DMP tunable parameters
dmp_restore_interval tunable, DMP tunable parameters
dmp_restore_state tunable, DMP tunable parameters
dmp_scsi_timeout tunable, DMP tunable parameters
dmp_sfg_threshold tunable, DMP tunable parameters
dmp_stat_interval tunable, DMP tunable parameters

F

fabric devices, Partial device discovery
FAILFAST flag, How DMP monitors I/O on paths
failover mode, How DMP works
foreign devices
adding, Foreign devices

J

JBOD
DMP support, How DMP claims devices
JBODs
adding disks to DISKS category, Adding unsupported disk arrays to the DISKS category
listing claimed disks, Listing disks claimed in the DISKS category
removing disks from DISKS category, Removing disks from the DISKS category

L

listing
DMP nodes, Displaying consolidated information about the DMP nodes
supported disk arrays, Listing all supported disk arrays
load balancing, How DMP works
displaying policy for, Displaying the I/O policy
specifying policy for, Specifying the I/O policy
logical units, How DMP works
LUN, How DMP works
LUN group failover, How DMP works
LUN groups
displaying details of, Displaying the members of a LUN group
lunbalance
I/O policy, How DMP handles I/O for vSCSI devices
LUNs
idle, DMP tunable parameters
LVM
support for booting over DMP, Using DMP with LVM boot disks

M

metadevices, Disk devices
metanodes
DMP, How DMP works
minimum queue load balancing policy, Specifying the I/O policy
minimum redundancy levels
displaying for a device, Displaying the redundancy level of a device or enclosure
specifying for a device, Specifying the minimum number of active paths
MPIO
disabling, Disabling MPIO
mrl
keyword, Displaying the redundancy level of a device or enclosure
multi-pathing
displaying information about, Displaying the paths to a disk
Multiple Path I/O
disabling, Disabling MPIO

N

names
device, Disk devices
naming
DMP nodes, Setting customized names for DMP nodes
naming scheme
changing for disks, Changing the disk device naming scheme
changing for TPD enclosures, Changing device naming for enclosures controlled by third-party drivers
displaying for disks, Displaying the disk-naming scheme
naming schemes
for disks, Disk device naming in DMP
nodes
DMP, How DMP works
nolunbalance
I/O policy, How DMP handles I/O for vSCSI devices
nomanual path attribute, Setting the attributes of the paths to an enclosure
non-autotrespass mode, How DMP works
nopreferred path attribute, Setting the attributes of the paths to an enclosure

O

OTHER_DISKS category, Disk categories

Q

queued I/Os
displaying statistics, Displaying statistics for queued or erroneous I/Os

R

recovery option values
configuring, Displaying recovery option values
redundancy levels
displaying for a device, Displaying the redundancy level of a device or enclosure
specifying for a device, Specifying the minimum number of active paths
redundant-loop access, About enclosure-based naming
Removing support
vSCSI devices, Adding and removing DMP support for vSCSI devices for an array
restore policy
check_all, Configuring DMP path restoration policies
check_alternate, Configuring DMP path restoration policies
check_disabled, Configuring DMP path restoration policies
check_periodic, Configuring DMP path restoration policies
restored daemon, How DMP monitors I/O on paths
retry option values
configuring, Displaying recovery option values
round-robin
load balancing, Specifying the I/O policy

S

scandisks
vxdisk subcommand, Discovering and configuring newly added disk devices
secondary path, How DMP works
secondary path attribute, Setting the attributes of the paths to an enclosure
secondary path display, Displaying the paths to a disk
setting
path redundancy levels, Specifying the minimum number of active paths
Setting I/O policy
vSCSI devices, How DMP handles I/O for vSCSI devices
single active path policy, Specifying the I/O policy
specifying
redundancy levels, Specifying the minimum number of active paths
standby path attribute, Setting the attributes of the paths to an enclosure
statistics gathering, How DMP monitors I/O on paths
storage processor, How DMP works

T

targets
listing, Listing the targets configured from a Host Bus Adapter or a port
third-party driver (TPD), About third-party driver coexistence
throttling, How DMP monitors I/O on paths
TPD
displaying path information, Displaying information about devices controlled by third-party drivers
support for coexistence, About third-party driver coexistence
tpdmode attribute, Changing device naming for enclosures controlled by third-party drivers
tunables
dmp_cache_open, DMP tunable parameters
dmp_daemon_count, DMP tunable parameters
dmp_delayq_interval, DMP tunable parameters
dmp_fast_recovery, DMP tunable parameters
dmp_health_time, DMP tunable parameters
dmp_log_level, DMP tunable parameters
dmp_low_impact_probe, DMP tunable parameters
dmp_lun_retry_timeout, DMP tunable parameters
dmp_monitor_fabric, DMP tunable parameters
dmp_monitor_ownership, DMP tunable parameters
dmp_native_support, DMP tunable parameters
dmp_pathswitch_blks_shift, DMP tunable parameters
dmp_path_age, DMP tunable parameters
dmp_probe_idle_lun, DMP tunable parameters
dmp_probe_threshold, DMP tunable parameters
dmp_restore_cycles, DMP tunable parameters
dmp_restore_interval, DMP tunable parameters
dmp_restore_state, DMP tunable parameters
dmp_scsi_timeout, DMP tunable parameters
dmp_sfg_threshold, DMP tunable parameters
dmp_stat_interval, DMP tunable parameters
Tuning DMP
using templates, About tuning Dynamic Multi-Pathing (DMP) with templates

V

VIOS requirements, Virtual I/O Server (VIOS) requirements
virtual SCSI devices
administering, Using Storage Foundation in the logical partition (LPAR) with virtual SCSI devices
vSCSI devices
administering, Using Storage Foundation in the logical partition (LPAR) with virtual SCSI devices
vxdctl enable
configuring new disks, Discovering and configuring newly added disk devices
invoking device discovery, Enabling discovery of new disk arrays
vxddladm
adding disks to DISKS category, Adding unsupported disk arrays to the DISKS category
adding foreign devices, Foreign devices
changing naming scheme, Changing the disk device naming scheme
displaying the disk-naming scheme, Displaying the disk-naming scheme
listing all devices, Listing all the devices including iSCSI
listing claimed disks in DISKS category, Listing disks claimed in the DISKS category
listing configured devices, Listing the devices configured from a Host Bus Adapter and target
listing configured targets, Listing the targets configured from a Host Bus Adapter or a port
listing excluded disk arrays, Listing excluded disk arrays, Adding unsupported disk arrays to the DISKS category
listing ports on a Host Bus Adapter, Listing the ports configured on a Host Bus Adapter
listing supported disk arrays, Listing all supported disk arrays
listing supported HBAs, Listing all the Host Bus Adapters including iSCSI
removing disks from DISKS category, Removing disks from the DISKS category, Foreign devices
setting iSCSI parameters, Getting or setting the iSCSI operational parameters
used to exclude support for disk arrays, Excluding support for a disk array library
used to re-include support for disk arrays, Re-including support for an excluded disk array library
vxdisk
discovering disk access names, Discovering the association between enclosure-based disk names and OS-based disk names
displaying multi-pathing information, Displaying the paths to a disk
scanning disk devices, Discovering and configuring newly added disk devices
vxdisk scandisks
rescanning devices, Partial device discovery
scanning devices, Partial device discovery
vxdiskadm
changing the disk-naming scheme, Changing the disk device naming scheme
vxdmpadm
changing TPD naming scheme, Changing device naming for enclosures controlled by third-party drivers
configuring an APM, Configuring Array Policy Modules
configuring I/O throttling, Configuring the I/O throttling mechanism
configuring response to I/O errors, Configuring the response to I/O failures, Displaying recovery option values
disabling controllers in DMP, About enabling and disabling I/O for controllers and storage processors
disabling I/O in DMP, Disabling I/O for paths, controllers, array ports, or DMP nodes
discovering disk access names, Discovering the association between enclosure-based disk names and OS-based disk names
displaying APM information, Configuring Array Policy Modules
displaying DMP database information, About displaying DMP database information
displaying DMP node for a path, Retrieving information about a DMP node, Displaying the members of a LUN group
displaying DMP node for an enclosure, Retrieving information about a DMP node, Displaying consolidated information about the DMP nodes
displaying I/O error recovery settings, Displaying recovery option values
displaying I/O policy, Displaying the I/O policy
displaying I/O throttling settings, Displaying recovery option values
displaying information about controllers, Displaying information about controllers
displaying information about enclosures, Displaying information about enclosures
displaying partition size, Displaying the I/O policy
displaying paths controlled by DMP node, Displaying paths controlled by a DMP node, controller, enclosure, or array port
displaying status of DMP restoration thread, Displaying the status of the DMP path restoration thread
displaying TPD information, Displaying information about devices controlled by third-party drivers
enabling I/O in DMP, Enabling I/O for paths, controllers, array ports, or DMP nodes
gathering I/O statistics, Gathering and displaying I/O statistics
listing information about array ports, Displaying information about array ports
removing an APM, Configuring Array Policy Modules
renaming enclosures, Renaming an enclosure
setting I/O policy, Specifying the I/O policy
setting path attributes, Setting the attributes of the paths to an enclosure
setting restore polling interval, Configuring DMP path restoration policies
specifying DMP path restoration policy, Configuring DMP path restoration policies
stopping DMP restore daemon, Stopping the DMP path restoration thread
vxdmpadm list
displaying DMP nodes, Displaying consolidated information about the DMP nodes
vxdmpboot
enabling LVM bootability over DMP, Using DMP with LVM boot disks
vxprint
enclosure-based disk names, Discovering the association between enclosure-based disk names and OS-based disk names
used with enclosure-based disk names, Discovering the association between enclosure-based disk names and OS-based disk names
VxVM
disk discovery, About discovering disks and dynamically adding disk arrays

W

worldwide name identifiers, Disk device naming in DMP
WWN identifiers, Disk device naming in DMP