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Dell PowerVault ME4 Series Storage System CLI Guide

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system-parameters-table

This basetype is used by show system-parameters.

Table 1. system-parameters-table properties
Name Type Description
ulp-enabled string Shows true to indicate that the system is using Unified LUN Presentation, which can expose all LUNs through all host ports on both controllers. The interconnect information is managed in the controller firmware. ULP appears to the host as an active-active storage system where the host can choose any available path to access a LUN regardless of disk group ownership. When ULP is in use, the system's operating/cache-redundancy mode is shown as Active- Active ULP. ULP uses the T10 Technical Committee of INCITS Asymmetric Logical Unit Access (ALUA) extensions, in SPC-3, to negotiate paths with aware host systems. Unaware host systems see all paths as being equal.
profiles-enabled string Shows whether host profiles are enabled.
  • true: Host profiles are enabled.
  • false: Host profiles are disabled.
max-ports uint32 Number of host-interface ports in the controller enclosure.
max-drives uint32 Number of disks that the system supports.
max-volumes uint32 Number of volumes that the system supports.
max-vdisks uint32 Number of linear disk groups that the system supports.
max-luns uint32 Number of LUNs that the system supports.
max-owned-arrays-per-controller uint32 Number of linear disk groups that each controller supports.
max-storage-pools-per-controller uint32 The number of virtual pools that each controller supports.
max-components-per-storage-pool uint32 The number of virtual pools that each pool can contain.
max-storage-pool- size string The maximum size of a virtual pool.
max-storage-pool- size-numeric uint64 Unformatted max-storage-pool-size value in blocks.
max-capi-arrays uint32 Same as max-vdisks .
max-chunk-size uint32 Maximum chunk size for disk groups.
min-chunk-size uint32 Minimum chunk size for disk groups.
physical-position-offset uint32 Starting index for physical components (enclosures, disks, etc.) in the storage system.
backoff-percentage uint32 Percentage of disk capacity that is reserved to compensate for minor capacity differences between disk drives so they can be used interchangeably. This is not settable by users.
vdisk-metadata-size-perdisk-blocks uint32 Amount of space reserved on a disk for metadata, in blocks.
vdisk-metadata-size-blocks uint32 Amount of metadata, in blocks, stored on each disk.
max-host-groups uint32 The number of host groups that the system supports.
max-hosts-per-host-group uint32 The maximum number of hosts that a host group can contain.
max-initiator uint32 The maximum number of initiators that a host can contain.
max-volume-groups-per-controller uint32 The maximum number of volume groups that each controller supports.
max-volumes-per-volume-group uint32 The maximum number of volumes that a volume group can contain.
max-replication-sets uint32 Number of replication sets that the system supports.
max-enclosures uint32 Number of enclosures that the system supports.
local-controller string The ID of the controller you are accessing.
  • A: Controller A.
  • B: Controller B.
local-controller-numeric uint32 Numeric equivalents for local-controller values.
  • 0: B
  • 1: A
serial-number string Last six digits of the midplane serial number.
external-targetid-control string Not used.
external-targetid-control-numeric uint32 Not used.
lan-heartbeat string Not used.
lan-heartbeat-numeric uint32 Not used.
ip-address-mode string
  • CAPI_TWO_IP_ADDRESSES_MODE: Dual controller system has a unique IP address for each controller.
  • CAPI_ONE_IP_ADDRESS_MODE: Dual controller system has the same IP address for both controllers, only one active at a time.
ip-address-mode-numeric uint32 Numeric equivalents for lan-heartbeat values.
  • 0: CAPI_TWO_IP_ADDRESSES_MODE
  • 1: CAPI_ONE_IP_ADDRESS_MODE
debug-flags uint32 For use by service personnel.
enclosure-flags uint32 For internal use only.
num-global-spares uint32 Number of global-spare disks defined in the storage system.
dynamic-spare-rescan-rate uint32 Interval at which the system is scanned for disks automatically designated as spares, if the dynamic spares feature is enabled.
performance-tuning-flags string For internal use only.
performance-tuning-flags- numeric uint32 Numeric equivalents for performance-tuning values.
  • 0: Disabled
  • 1: Enabled
min-backing-store-size uint32 Not applicable.
max-task-retention-count uint32 Maximum retention count for a task that creates snapshots or replication volumes.
max-fc-speed string Maximum FC host-port speed.
max-fc-speed-numeric uint32 Numeric equivalent for the max-fc-speed value.
max-iscsi-speed string Maximum iSCSI host-port speed.
max-iscsi-speed-numeric uint32 Numeric equivalent for the max-iscsi-speed value.
max-peers-allowed uint32 The maximum number of peer connections that the system supports.
peers-in-use-count uint32 The number of peer connections present in the system.
max-ar-vols-allowed uint32 The maximum number of virtual replication volumes that the system supports.
ar-sets-in-use-count uint32 The number of virtual replication volumes present in the system.
linear-replication-configured string Not applicable.
linear-replication-configured-numeric uint32 Not applicable.
virtual-replication-configured string
  • False: No virtual replication sets exist on the system.
  • True: At least one virtual replication set exists on the system.
virtual-replication-configured-numeric uint32 Numeric equivalents for virtual-replication-configured values.
  • 0: False
  • 1: True
max-adapt-drives-per-disk-group uint32 The maximum number of disks that an ADAPT disk group can contain.
min-adapt-drives-per-disk-group uint32 The minimum number of disks that an ADAPT disk group can contain.
max-adapt-disk-groups-per-system uint32 The maximum number of ADAPT disk groups that the system supports.
max-adapt-drives-per-expansion uint32 The maximum number of disks by which an ADAPT disk group can be expanded.

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