Description
Item
For a Fast Snap pool, FS is displayed.
Displays the data drive type and RPM. If multiple drive types or RPMs exist in a
pool, this field indicates that drive types or RPMs are mixed. When the volume
Drive Type/RPM
is the external volume,
Drive Type
displays
External Storage
and the value of
the external LDEV tier rank.
Displays the pool threshold.
User-Defined Threshold (%)
•
Warning: Warning threshold is displayed.
•
Depletion: Depletion threshold is displayed.
For a Fast Snap pool, a hyphen (-) is displayed for Depletion.
Displays the subscription limit.
Subscription Limit (%)
For Fast Snap pool, a hyphen (-) is displayed.
Displays whether the protect function for THP V-VOL is being enabled or disabled.
If the setting is enabled, when the pool-VOL is blocked, THP V-VOL is protected
Protect V-VOLs when I/O fails to
Blocked Pool VOL
from reading and writing requests. And at the same instant, the access attribute
of the THP V-VOL is changed to the Protect attribute.
A hyphen appears if the pool corresponds with one of following:
•
Data Retention is not installed.
•
Pool type is other than THP or Smart.
Displays whether the protect function for THP V-VOL is being enabled or disabled.
If the setting is enabled, when the pool usage reaches the full size, THP V-VOL
Protect V-VOLs when I/O fails to Full
Pool
is protected from reading and writing requests. And at the same instant, the
access attribute of the THP V-VOL is changed to the Protect attribute.
A hyphen appears if the pool corresponds with one of following:
•
Data Retention is not installed.
•
Pool type is other than THP or Smart.
Displays the number of pool-VOLs.
Number of Pool VOLs
If Smart Tiers or Smart Tiers Z is enabled, Auto or Manual for performance
monitoring and tier relocation is displayed. If Smart Tiers or Smart Tiers Z is
disabled, a hyphen (-) is displayed.
Tier Management
Displays the cycle of performance monitoring and tier relocation. If Smart Tiers
or Smart Tiers Z is disabled, a hyphen (-) is displayed.
Cycle Time
Displays the time zone of performance monitoring when 24 Hours is selected
as the Cycle Time. If Smart Tiers or Smart Tiers Z is disabled, a hyphen (-) is
displayed.
Monitoring Period
If the continuous mode is enabled, Continuous Mode is displayed. If the period
mode is enabled, Period Mode is displayed.
Monitoring Mode
Displays the page relocation speed: 1(Slowest), 2(Slower), 3(Standard), 4(Faster),
or 5(Fastest). If Smart Tiers or Smart Tiers Z is disabled, a hyphen (-) is displayed.
Relocation speed
Displays the information of the buffer space for new page assignment to each
tier.
Buffer Space for New page
assignment (%)
Tier 1: If you make the Smart Tiers or Smart Tiers Z function available, the buffer
space for new page assignment to tier 1 is displayed. If you make the Smart
Tiers or Smart Tiers Z function unavailable, a hyphen (-) is displayed.
Tier 2: If you make the Smart Tiers or Smart Tiers Z function available, and tier
2 exists, the buffer space for new page assignment to tier 2 is displayed. If you
make the Smart Tiers or Smart Tiers Z function unavailable, or tier 2 does not
exist, a hyphen (-) is displayed.
Tier 3: If you make the Smart Tiers or Smart Tiers Z function available, and tier
3 exists, the buffer space for new page assignment to tier 3 is displayed. If you
322 Thin Provisioning and Smart Tiers GUI reference