HP 3PAR StoreServ 7400 2-node HP 3PAR Management Console 4.3.0 Software User&a - Page 162

Advanced Tab, Advanced

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Group Advanced Tab Field Description NOTE: The Device RPM number does not represent a rotational speed for the drives without spinning media (SSD). It is meant as a rough estimation of the performance difference between the drive and the other drives in the system. For FC and NL drives, the number corresponds to both a performance measure and actual rotational speed. For an SSD drive, the number is to be treated as relative performance benchmark that takes into account in I/O per second, bandwidth, and the access time. RAID Type Configured Availability Availability Set Size Step Size The RAID type of the disk. The availability characteristics. The availability of Disk, Port, Cage, or Mag. The set size. The number of contiguous bytes in KB. The following information is displayed in the detail pane's Advanced tab: Group Policies Geometry Zones Field Description System Volume Indicates if the volume is a system volume. Allow stale snapshots Indicates if stale snapshots are allowed. Restrict export to one host Indicates if exporting is restricted to only one host. Zero-fill on partially written data Indicates if the zero-fill on partially written data pages pages policy is enabled. Caching Enabled Indicates if read/write caching and read ahead has been enabled. Sectors Per Track The number of sectors per track. Heads Per Cylinder The number of heads per cylinder. Sector Size The size of each sector in MB. Copy The number of copy zones. Free Copy The number of free copy zones. Admin The number of admin space zones. Free Admin The number of free admin space zones. 162 Viewing Virtual Volumes

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Description
Field
Group
NOTE:
The
Device RPM
number does not represent a rotational speed for
the drives without spinning media (SSD). It is meant as a rough estimation of
the performance difference between the drive and the other drives in the system.
For FC and NL drives, the number corresponds to both a performance measure
and actual rotational speed. For an SSD drive, the number is to be treated as
relative performance benchmark that takes into account in I/O per second,
bandwidth, and the access time.
The RAID type of the disk.
RAID Type
The availability characteristics.
Configured Availability
The availability of Disk, Port, Cage, or
Mag.
Availability
The set size.
Set Size
The number of contiguous bytes in KB.
Step Size
Advanced Tab
The following information is displayed in the detail pane's
Advanced
tab:
Description
Field
Group
Indicates if the volume is a system volume.
System Volume
Policies
Indicates if stale snapshots are allowed.
Allow stale snapshots
Indicates if exporting is restricted to only one host.
Restrict export to one host
Indicates if the zero-fill on partially written data pages
policy is enabled.
Zero-fill on partially written data
pages
Indicates if read/write caching and read ahead has been
enabled.
Caching Enabled
The number of sectors per track.
Sectors Per Track
Geometry
The number of heads per cylinder.
Heads Per Cylinder
The size of each sector in MB.
Sector Size
The number of copy zones.
Copy
Zones
The number of free copy zones.
Free Copy
The number of admin space zones.
Admin
The number of free admin space zones.
Free Admin
162
Viewing Virtual Volumes