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Dell PowerVault ME4 Series Storage System CLI Guide

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pool-statistics

This basetype is used by show pool-statistics.

Table 1. pool-statistics properties
Name Type Description
sample-time string Date and time, in the format year-month-day hour:minutes:seconds, when the data sample was taken.
sample-time-numeric uint32 Unformatted sample-time value.
serial-number string The serial number of the pool.
pool string The name of the pool.
pages-alloc-per-minute uint32 The rate, in pages per minute, at which pages are allocated to volumes in the pool because they need more space to store data.
pages-alloc-per-hour uint32 The rate, in pages per hour, at which pages are allocated to volumes in the pool because they need more space to store data.
pages-dealloc-per-minute uint32 The rate, in pages per minute, at which pages are deallocated from volumes in the pool because they no longer need the space to store data.
pages-dealloc-per-hour uint32 The rate, in pages per hour, at which pages are deallocated from volumes in the pool because they no longer need the space to store data.
num-pages-unmap-per-minute uint32 The number of 4 MB pages that host systems have unmapped per minute, through use of the SCSI UNMAP command, to free storage space as a result of deleting files or formatting volumes on the host.
num-pages-unmap-per-hour uint32 The number of 4 MB pages that host systems have unmapped per hour, through use of the SCSI UNMAP command, to free storage space as a result of deleting files or formatting volumes on the host.
num-blocked-ssd-promotions-per-minute uint32 The rate, in pages per minute, at which pages cannot be moved to SSD. A consistent non-zero rate may indicate the SSD tier is too small for the current workload.
num-blocked-ssd-promotions-per-hour uint32 The rate, in pages per hour, at which pages cannot be moved to SSD. A consistent non-zero rate may indicate the SSD tier is too small for the current workload.
num-page-allocations uint64 The number of pages allocated to volumes in the pool because they need more space to store data.
num-page-deallocations uint64 The number of pages deallocated from volumes in the pool because they no longer need the space to store data.
num-page-unmaps uint64 The number of 4 MB pages that host systems have unmapped since statistics were last reset.
num-page-promotions-to-ssd-blocked uint64 The number of pages that could not be moved to SSD since statistics were last reset.
num-hot-page-moves uint64 The number of “hot” pages promoted from lower tiers to higher tiers since statistics were last reset.
num-cold-page-moves uint64 The number of “cold” pages promoted from lower tiers to higher tiers since statistics were last reset.
resettable-statistics Embedded; see resettable-statistics.
tier-statistics Embedded; see tier-statistics.

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