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Storage Industry Overview
2. Key sub-industries of the storage industry
3.1 Sotrage main components
Storage component plays an important role in the whole storage market. Since it has
certain technological entrance barrier, it belongs to technology-intensive industry,
competitive yet cooperative relationship is maintained among the suppliers; meanwhile,
technological standard making is shared among the suppliers under the premise of
mutual interests. Most of the suppliers focus on the market with more mature IT
technology and with the power to lead the industry spec standard, for example, the
USA market. Since the related components of transfer protocol is still at a continuous
technology improvement and innovation stage, however, other major hardware
components such as CPU, ASIC chip applied in the storage, hard disc and
adapter card, etc. have their functions become stronger but price lower, the
market predicts that there is going to be a reshuffle in the storage industry due
to the revolution in these key components: the giant brand name enterprises
would have to face a difficult situation of IT budget constriction and more and
more competitive and saturated high level enterprise-oriented storage
product, therefore, they will have to turn their market to the medium and
small size enterprise and in turn their product from high level to medium and
low level market. In other words, Enterprise will spend less and less on the
storage buildup cost, this is like to spend at a cost of 1.6 normal sedan to buy
2.0 limousine.
Storage component can be divided into four types:
1. Semiconductor device:
It can be divided into IP Storage, InfiniBand, TCP Offload, Serial ATA(SATA), etc.
Interface adapter or chip.
2. Disk:
Tape or hard disc, hard disc can have interfaces such as: ATA, SATA, SCSI, SAS,
FC.
3. Host-based adapter (HBA):
It is an adapter installed at the host to provide redundant function to system RAID
disk array, good data I/O performance and more effective control on hard disc, it
is an adapter in between Host and hard disc (or other storage media). It can be
divided into SATA/ATA, SCSI and HBA of FC.
4. RAID controller:
It is a disk array controller installed in the storage system, it mainly controls data
operation of RAID and control the storage device formed by several hard discs.
3.1.1 Semiconductor devices
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