Thin Provisioning
177
Figure 9-19
Create a Volume in Thin Provisioning Pool Step 2
7.
Volume advanced settings can also be configured optionally in this step:
。
Block Size
: The options are 512 Bytes to 4,096 Bytes.
。
Priority
: The options are High, Medium, and Low. The priority compares to other
volumes. Set it as High if the volume has many I/O.
。
Background I/O Priority
: The options are High, Medium, and Low. It will influence
volume initialization, rebuild, and migration.
。
Enable Cache Mode (Write-back Cache)
: Check to enable cache mode function of
volume. Write back optimizes the system speed but comes with the risk where the
data may be inconsistent between cache and disks in one short time interval.
。
Enable Video Editing Mode
: Check to enable video editing mode function. It is
optimized for video editing usage. Please enable it when your application is in video
editing environment. This option provides a more stable performance figure without
high and low peaks but slower in average.
。
Enable Read-ahead
: Check to enable the read ahead function of volume. The system
will discern what data will be needed next based on what was just retrieved from
disk and then preload this data into the disk's buffer. This feature will improve
performance when the data being retrieved is sequential.
Summary of Contents for XCubeSAN XS5224D
Page 71: ...SANOS User Interface 49 nnnnn RPM Power Supply Local PSU n status Reset to Default Yes No...
Page 99: ...System Settings 77 Figure 6 14 System Information...
Page 315: ...Monitoring 293 Figure 13 5 Hardware Monitoring...
Page 327: ...Support and Other Resources 305 Figure 15 1 Download Service Package in the SANOS UI...
Page 331: ...Support and Other Resources 309...