Fujitsu Eternus2000 Manual page 38

1.3 Functions
Table 1.6
Table 1.6
RAID level
RAID1
RAID1+0
RAID5
RAID6
*1:
*2:
Table 1.7
Table 1.7
RAID level
RAID1
RAID1+0
RAID5
RAID6
*1:
*2:
14
shows the times required for the rebuild process to complete for various disk configurations.
Rebuild process times (for 100GB volumes)
No. of disk drives
2
8
5
6
The time required to rebuild a 100GB volume of the indicated RAID level, number and type of disk drives when
there is no concurrent server I/O.
15,000rpm
shows the times required for the copyback process to complete for various disk configurations.
Copyback process times (for 100GB volumes)
No. of disk drives
2
8
5
6
The time required to copyback a 100GB volume of the indicated RAID level, number and type of disk drives
when there is no concurrent server I/O.
15,000rpm
Rebuild process time (*1)
SAS disk drives (*2)
Approx. 20 minutes
Approx. 5 minutes
Approx. 7 minutes
Approx. 10 minutes
Copyback process time (*1)
SAS disk drives (*2)
Approx. 20 minutes
Approx. 5 minutes
Approx. 7 minutes
Approx. 10 minutes
ETERNUS2000 disk storage system User Guide
Copyright 2009 FUJITSU LIMITED
Nearline SAS disk drives
Approx. 60 minutes
Approx. 15 minutes
Approx. 20 minutes
Approx. 30 minutes
Nearline SAS disk drives
Approx. 60 minutes
Approx. 15 minutes
Approx. 20 minutes
Approx. 30 minutes
P3AM-2512-03EN