Item Component Specification
10 Gbps iSCSI (copper): 16
10 Gbps Fibre Channel
(optical): 12
Transferred block size 64 512 bytes
Maximum number of hosts
using a Fibre Channel switch
255
Maximum number of hosts
using a network switch
255
RAID specifications
D: Data drive, P: Parity drive.
Although the storage system with a configuration of RAID 1, RAID 5, or RAID
6 provides data reliability enhanced by redundancy, there is a chance that
user data could be lost due to an unexpected host, storage system hardware,
or software failure. Therefore, users are requested to back up all data.
RAID Level
SAS, SAS 7.2k, flash drives mounted
RAID 1 2D+2D, 4D+4D
RAID 5 3D+1P, 4D+1P, 6D+1P, 7D+1P
RAID 6 6D+2P, 12D+2P, 14D+2P
Item Specification
Maximum number of parity groups
480
Maximum volume size 3 TB (or 4 TB if using the LDEVs of other storage
systems)
Maximum volumes/host groups and iSCSI
targets
2048
Maximum volumes/parity groups 2048
Shared memory and data assurance
Item
Specification
Flash memory 32 M bytes
L3 Cache memory 4 M bytes
SDRAM 1 G bytes
Data bus Parity
Cache memory ECC (1 bit for correction, 2 bits for detection)
Drive Data assurance code
Storage system specifications 111
Hitachi Virtual Storage Platform G800 Hardware Reference Guide
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