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constructing, critical, rebuilding, or offline. Arrays that were created “online” (see
Create a New RAID Array on page 115) also display the Tuning progress.
If the array is encrypted (see Configure Array Encryption on page 120), then
Encrypted is also displayed here.
If an array verification is currently being performed (see Verify RAID Array on
page 133), the progress of the scan is also displayed here.
RAID level Displays the RAID level that this array is configured for. See Appendix C ,
RAID levels on page 252 for more information.
Disk Type Displays the type of disks used for this array. This can be SATA, SAS, or SSD.
Array capacity Displays the total data storage space of the array, in true terabytes (TB) followed
by binary terabytes (TiB).
No. of members The number of disks that make up the array.
No. of spares The total number of spares available for the array. This includes both pool spares
and dedicated spares. New spares can be added on the
Add Hot Spare page (see
Add Hot Spare on page 126).
No. of volumes The number of configured volumes in this array.
Data stripe size The size of the individual data stripes in this array.
Cache memory Indicates whether the cache is enabled, its mirroring status, its streaming mode,
and its FUA status.
Cache size The total size of the cache, in megabytes (MB).
Rebuild priority Displays the configured rebuild priority, ranging from Lowest to Highest. This
controls the amount of resources that a RAID Controller assigns to rebuilding the
array versus handling host data requests. See
Configure Rebuild Options on
page 197 for more information.
Verify utility Displays the user-configured verification tests for this array, as well as how often
they are run. Verification tests are configured on the
Verify RAID Array page (see
Verify RAID Array on page 133).
Verify due The date and time of the next scheduled verification, formatted as “Day-of-week
DD-Mmm-YYYY HH:MM”. If the verification is scheduled to begin within a few
hours, this displays
[Verification test] will start shortly . If the verification is
currently running, it displays [Verification test] is currently active . You can run a
RAID array verification at any time by going to the Verify RAID Array page and
clicking the Start button (see Verify RAID Array on page 133).
No. of reads Displays the number of reads from the array.
No. of writes Displays the number of writes to the array.
Chapter 3: The Graphical User Interface — RAID Information
Nexsan High-Density Storage
User Guide
www.nexsan.com
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