![]() | Sun System Handbook - ISO 4.1 October 2012 Internal/Partner Edition | ||
|
|
![]() |
||||||||||||
Solution Type Technical Instruction Sure Solution 1009344.1 : Sun StorEdge[TM] 9900 series: Explain Striping Group size for RAID 5 (7D+1P), RAID 1 (4D+4D) and RAID 6 (6D+2P) with HDD model 146GB or larger
PreviouslyPublishedAs 212928 Applies to:Sun Storage 9970 System - Version Not Applicable to Not Applicable [Release N/A]Sun Storage 9980 System - Version Not Applicable to Not Applicable [Release N/A] Sun Storage 9985 System - Version Not Applicable to Not Applicable [Release N/A] Sun Storage 9990 System - Version Not Applicable to Not Applicable [Release N/A] All Platforms GoalSun StorEdge[TM] 99x0 series: Explain Striping Group size for RAID 5 (7D+1P), RAID 1 (4D+4D) and RAID 6 (6D+2P) with HDD model 146GB or larger. With the introduction of 146GB HDD and larger, for Sun StorEdge[TM] 9970, 9980,9985 and 9990, HDS/Hitachi has implemented Striping Groups to overcome limitations in representing very large Parity Groups in cache. The maximum capacity of the striping groups must be considered, if using OPEN-V or LUSE/CVS. FixA Striping Group is a virtual Parity Group within the real Parity Group. During configuration, if the platform has any of the following configurations, a "Striping Group Configuration window" will be displayed:
Plus any of the following:
In any other conditions, the Striping Group is equal to the Parity Group, so a "Striping Group Configuration window" will NOT be displayed. Sun StorEdge[TM] 9970 and Sun StorEdge[TM] 9980Please consult following sections of the Maintenance Manual:
If selecting OPEN-V or LUSE/CVS, consider the size, based on the above references. The Striping Groups have different capacities, and combined, they reflect the capacity of the Parity Group. For example:
Sun StorEdge[TM] 9990Please consult following sections of the Maintenance Manual:
Sun StorEdge[TM] 9985Please consult following sections of the Maintenance Manual:
Sun StorEdge[TM] 9990VPlease consult following sections of the Maintenance Manual:
Sun StorEdge[TM] 9985VPlease consult following sections of the Maintenance Manual:
Additional see HDS Solution ID HDS24973 "Striping Group Configuration (9900V)"
Attachments This solution has no attachment |
||||||||||||
|