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Chapter 2 Planning for Installation and Operation
2.4.6
Reliability
The reliability of the WMS100 is described in the following tables.
The following reliability does not change even when the RKNAS is connected to the system.
Table 2.13 Reliability of WMS100 Rack-Mount Model
Rack-Mount Model
Item Model
RKXS RKAJAT
MTBDL (Mean
Time Between Data
Lost) (
Note
)
About 5 million hour or longer (in RIAD5 configuration)
RAID 5 configuration:
n(n
−
1)
×
Number of Parity group
×
MTTR
(MTBF of the disk drive)
2
RAID 6 configuration
n(n
−
1)(n
−
2)
×
Number of Parity group
×
MTTR
2
(MTBF of the disk drive)
3
RAID 1 or RAID1+0 configuration
n
×
1
×
Number of Parity group
×
MTTR
(MTBF of the disk drive)
2
MTTR: Mean Time To Repair
n: Number of the mounted disk drive/Parity group
Drop in package
(JIS Z 0200-1997)
No abnormality must be caused by a free drop of level IV.
Radio frequency
radiation
Conforms to FCC Class A
Reliability
Instantaneous
power failure
10 ms (100% dip)
Note:
The value of the MTBDL is calculated in the following configuration: RAID 5:68 sp ((15D+1P)
×
4(spare)).
Therefore, this value varies on user's system configuration.
Содержание HDS WMS100
Страница 1: ...MK 95DF738 01 Acer HDS WMS100 User and Reference Guide ...
Страница 2: ......
Страница 8: ...viii Preface ...
Страница 12: ...xii Preface ...
Страница 22: ...xxii Contents ...
Страница 40: ...18 Chapter 2 Planning for Installation and Operation Figure 2 1 Position of Labels on Floor Model RKXS H1J ...
Страница 41: ...Acer HDS WMS100 User and Reference Guide 19 Figure 2 2 Position of Labels on Floor Model RKXS RKAJAT H2J ...
Страница 42: ...20 Chapter 2 Planning for Installation and Operation Figure 2 3 Position of Labels on Rack Mount Model RKXS ...
Страница 43: ...Acer HDS WMS100 User and Reference Guide 21 Figure 2 4 Position of Labels on Rack Mount Model RKNAS ...
Страница 44: ...22 Chapter 2 Planning for Installation and Operation Figure 2 5 Position of Labels on Rack Mount Model RKAJAT ...
Страница 56: ...34 Chapter 2 Planning for Installation and Operation ...
Страница 64: ...42 Chapter 3 Powering On Off Procedure ...
Страница 132: ...110 Chapter 7 Configuring Storage on the Thunder 9530 V Series Subsystem Figure 7 1 Fibre Channel Setting ...
Страница 139: ...Acer HDS WMS100 User and Reference Guide 117 Figure 7 3 Logical Status Tab NAS Figure 7 4 RAID Group Dialog Box ...
Страница 146: ...124 Chapter 7 Configuring Storage on the Thunder 9530 V Series Subsystem When a formatted logical unit exists Ð Ð Ð ...
Страница 157: ...Acer HDS WMS100 User and Reference Guide 135 The mapping information is updated and the following window displays ...
Страница 188: ...166 Chapter 7 Configuring Storage on the Thunder 9530 V Series Subsystem Ð ...
Страница 192: ...170 Chapter 7 Configuring Storage on the Thunder 9530 V Series Subsystem ...
Страница 213: ...Acer HDS WMS100 User and Reference Guide 191 Figure 8 7 NNC Information Screen ...
Страница 222: ...200 Chapter 8 Troubleshooting 4 Clear specified factors of NNC partial alarm 5 Click the Recovery button ...
Страница 252: ...230 Chapter 8 Troubleshooting ...
Страница 270: ...248 Appendix B System Parameter Settings List ...
Страница 316: ...294 Appendix F List of Storage Capacities Corresponding to RAID Levels and Configurations ...
Страница 320: ...298 Appendix G Port Address Mapping Table ...
Страница 326: ...304 Appendix I Number of Logical Blocks ...