Accusys ExaRAID GUI - Manual (Page 16)

Contents
xvi
Figure 3-2 Menu tree ........................................................................................3-6
Figure 4-1 Interfaces to Access CLI .................................................................4-1
Figure 5-1 Dual independent MPIO hosts ........................................................5-4
Figure 5-2 Clustered server environment .........................................................5-6
Figure 5-3 Computer Management screen: Device Manager ..........................5-9
Figure 5-4 MPIO device screen .....................................................................5-10
Figure 5-5 MTID environment ........................................................................5-19
Figure 5-6 Redundant Single MPIO host (dual channel) ...............................5-25
Figure 5-7 Redundant Single MPIO host (quad channel) ..............................5-27
Figure 5-8 Redundant Dual Independent MPIO hosts ...................................5-29
Figure 5-9 Dual clustering MPIO hosts ..........................................................5-31
Figure 5-10 Active-Passive Redundant Single MPIO host ...............................5-33
Figure 5-11 Controller failover scenario ...........................................................5-35
Figure 5-12 Controller failover scenario ...........................................................5-36
Figure 5-13 Controller failover and the page redirection message ..................5-37
Figure 5-14 Controller failback message .........................................................5-37
Figure 5-15 Error message indicates both controller failures ...........................5-37
Figure 5-16 Relationship of volumes ................................................................5-40
Figure 5-17 SAN Environment .........................................................................5-46
Figure 5-18 Defragment a disk group to expand the last free chunk ...............5-51
Figure 5-19 Defragment a disk group to consolidate free chunks ....................5-51
Figure 5-20 Logical disk capacity shrink and expanding an adjacent free chunk 5-
52
Figure 5-21 Logical disk capacity shrink and creating a new free chunk .........5-52
Figure 5-22 Logical disk capacity expansion by allocating an adjacent free chunk
5-52
Figure 5-23 Logical disk capacity expansion by moving logical disks to a free chunk
5-53
Figure 5-24 Logical disk capacity expansion by allocating an adjacent free chunk
and moving logical disks ...............................................................5-53
Figure 5-25 Disk group expansion by adding new member disks and enlarging the
last free chunk ..............................................................................5-54
Figure 5-26 Disk group expansion by adding new member disks and creating a
new free chunk .............................................................................5-54
Figure 5-27 Disk group expansion to consolidate free chunks ........................5-54
Figure 5-28 Striping member volumes .............................................................5-55
Figure 5-29 Concatenating member volumes ..................................................5-55
Figure 5-30 Concatenated striping member volumes ......................................5-55