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Figure 3-22:
Disk Information
detail page (SSD disks)
The following information is displayed:
Table 3-3: Disk Information details
Item
Contents
Status
Displays the array that the disk belongs to, the controller number, and the status
icon.
Capacity
Displays the raw data storage capacity of the drive, in megabytes (MB).
Type
Displays the drive type (SAS, SATA, or SSD) and it’s speed in revolutions per
minute (RPMs).
Model
Displays the manufacturer’s model number for the drive.
Serial number
Displays the manufacturer’s serial number for the drive.
Firmware
Displays the firmware that the drive is currently running.
Read IOs
Displays the number of reads executed on the drive because of array access by
attached hosts.
Write IOs
Displays the number of writes executed on the drive because of array access by
attached hosts.
Other IOs
Displays the number of disk input/output operations (I/Os) executed on the drive
that are not because of array access, but are directly from the RAID Controller.
R/W Transfer Retries
Displays the number of times that the RAID Controller has had to retry a read or
write operation on a block of data on this drive due to data transfer problems.
R/W Media Retries
Displays the number of times that the RAID Controller has had to retry a read or
write operation on a block of data on this drive due to disk media problems.
Disk Health
Displays the disk responsiveness score (see
on page 77) and the
Chapter 3: The Graphical User Interface — RAID Information
Nexsan High-Density Storage
User Guide
75