3 rebuild/copyback process time, Rebuild/copyback process time, Table 6.2 – FUJITSU Disk Storage System DX60 User Manual
Page 78: Rebuild process time (disk), Table 6.3, Copyback process time (disk)
Chapter 6 Maintenance
6.3 Rebuild/Copyback Process Time
ETERNUS DX60 S2 Disk storage system User’s Guide -Operation-
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6.3
Rebuild/Copyback Process Time
This section explains the time required for Rebuild/Copyback.
■
Rebuild process time
shows the time required for the rebuild process (when the volume capacity is 100GB).
Table 6.2
Rebuild process time (disk)
*1:
The time required to rebuild a 100GB volume of the indicated RAID level, number and type of disks
when there is no concurrent server I/O. The time that is required depends on the type and
configuration of the disk.
■
Copyback process time
shows the time required for the copyback process (when the volume capacity is
100GB).
Table 6.3
Copyback process time (disk)
*1:
The time required to copyback a 100GB volume of the indicated RAID level, number and type of disks
when there is no concurrent server I/O. The time that is required depends on the type and
configuration of the disk.
RAID level
No. of disks
Rebuild process time (*1)
2.5" SAS disks
3.5" SAS disks
Nearline SAS disks
RAID1
2
Approx. 27 minutes/
100GB
Approx. 20 minutes/
100GB
Approx. 47 minutes/
100GB
RAID1+0
8
Approx. 7 minutes/
100GB
Approx. 5 minutes/
100GB
Approx. 11 minutes/
100GB
RAID5
5
Approx. 10 minutes/
100GB
Approx. 10 minutes/
100GB
Approx. 15 minutes/
100GB
RAID5+0
6
Approx. 7 minutes/
100GB
Approx. 7 minutes/
100GB
Approx. 11 minutes/
100GB
RAID6
6
Approx. 13 minutes/
100GB
Approx. 13 minutes/
100GB
Approx. 21 minutes/
100GB
RAID level
No. of disks
Copyback process time (*1)
2.5" SAS disks
3.5" SAS disks
Nearline SAS disks
RAID1
2
Approx. 27 minutes/
100GB
Approx. 20 minutes/
100GB
Approx. 49 minutes/
100GB
RAID1+0
8
Approx. 7 minutes/
100GB
Approx. 5 minutes/
100GB
Approx. 11 minutes/
100GB
RAID5
5
Approx. 10 minutes/
100GB
Approx. 7 minutes/
100GB
Approx. 16 minutes/
100GB
RAID5+0
6
Approx. 7 minutes/
100GB
Approx. 5 minutes/
100GB
Approx. 11 minutes/
100GB
RAID6
6
Approx. 13 minutes/
100GB
Approx. 13 minutes/
100GB
Approx. 20 minutes/
100GB