Белая книга для Cisco Cisco UCS C420 M3 Rack Server
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Figure 6. Cisco UCS C220 M4 Server Virtual Disk (RAID) Configuration for StorMagic SvSAN Deployment
VMware HA Cluster
VSA
Raw Device
Mapping to VSA
Raw Device
Mapping to VSA
ESXi
Boot Drive
Boot Drive
ESXi
Boot Drive
Boot Drive
VD0 RAID 5
VD0 RAID 5
VD1 RAID 5
VD1 RAID 5
8 x 1.2TB SAS
10K RAID 5
8 x 1.2TB SAS
10K RAID 5
2 x 32-GB SD Card
Hypervisor (HV)
Partition Mirror
2 x 32-GB SD Card
Hypervisor (HV)
Partition Mirror
HV Partition
HV Partition
Synchronous Mirrored
Data Store
Local VMFS
ESXi
ESXi
VSA
Local VMFS
Active
Active
Table 1 shows the virtual disk and RAID configuration for ESXi and SvSAN deployment on Cisco UCS C220 M4 servers.
Table 1. Virtual Disk Configuration
Virtual Disk Configuration
FlexFlash
hypervisor
partition mirror
29.7 GB
ESXi installation
Virtual Disk 0
RAID 5
7.6 TB
Virtual drive allocated explicitly to the local VSA as an RDM
VSA sees virtual drive as a single storage pool
At least one iSCSI mirror should be carved from the storage pool
Virtual Disk 1
RAID 5
34.19 GB
VSA deployment
Space formatted with a VMware Virtual Machine File System (VMFS), creating a local data store for the host
VSA deployed to this data store
• Boot drive: 512MB
• Journal drive: 20GB
• Boot drive: 512MB
• Journal drive: 20GB