Белая книга для Cisco Cisco UCS C22 M3 Rack Server
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Cisco UCS Blade Server Expansion and StorMagic SvSAN Target Migration
Implementing two mirrors across blade servers allows dynamic target migration when you add blades: for example, when you
add a fifth blade to the four-blade configuration discussed previously. You can use SvSAN management tools to automate this
process, migrating plexes from two blades to other blades. This approach helps ensure that storage I/O is spread evenly across
all the Cisco UCS blade servers (Figure 51).
add a fifth blade to the four-blade configuration discussed previously. You can use SvSAN management tools to automate this
process, migrating plexes from two blades to other blades. This approach helps ensure that storage I/O is spread evenly across
all the Cisco UCS blade servers (Figure 51).
Figure 51. Blade Server Expansion and StorMagic SvSAN Target Migration
2 x Synchronous Mirrors
Mirror Plex on VSA2 will be
migrated to the new blade
(VSA3)
ESXi
ESXi
VSA1
Local VMFS
VSA2
Local VMFS
Shared
VMFS 2
Shared
VMFS 1
2 x Synchronous Mirrors
ESXi
ESXi
VSA
Local VMFS
VSA
Local VMFS
Shared
VMFS
Shared
VMFS
The mirror plex on VSA2 that houses VMFS1 will be migrated to the newly introduced blade VSA (Figure 52). The storage will
remain online throughout this operation, but additional I/O will be observed as the plex data is written to the new VSA.
remain online throughout this operation, but additional I/O will be observed as the plex data is written to the new VSA.