Accusys ExaSAN A12S2-PS - Manual (Page 65)

4. How to Use
User Guide Page 4-14
Optional: From the drop down menu, select either On-the-fly initialization or
Performance evaluation.
On-the-fly initialization – ExaSAN RAID systems
record the initialized sectors in the bitmap. All
sectors are initialized only once. The entire
initialization process will be completed faster and
the performance will be better during the
initialization.
During on-the-fly initialization, 65-75% of the full
speed (of a created RAID) is still available. You
can still use the RAID system during the RAID
initialization.
Select this option (default) to ensure the
completeness of the array. If this option is
selected, it will recalculate the disk parity and
data organization (how it is arranged). The