4. Process Time (Estimated)
This chapter explains the estimated time that is required for volume formatting and for rebuild/copyback for
each RAID level configuration.
Volume Formatting Time
The following table shows the time required for the volume formatting process.
Table 13 Volume Formatting Time
RAID level Number of drives
Volume formatting time (*1)
SSDs
RAID1 2 (1D+1M) Approx. 14 minutes/200GB
RAID1+0 4 (2D+2M) Approx. 9 minutes/200GB
RAID5 5 (4D+1P) Approx. 6 minutes/200GB
RAID5+0
8 ((3D+1P) ´
2)
Approx. 6 minutes/200GB
RAID6 6 (4D+2P) Approx. 7 minutes/200GB
*1: The value shows the time required for volume formatting when the volume capacity is 200GB and there is
no server I/O. The time that is required depends on the type and configuration of the drive.
45
FUJITSU Storage ETERNUS AF250 S2, ETERNUS AF250 All-Flash Arrays
Operation Guide (Basic)
Copyright 2019 FUJITSU LIMITED
P3AG-1842-06ENZ0
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