international computers limited, 2001 axis 20/3/2001 axis trimetra user group glenn fitzgerald...

International Computers Limited, 2001

AXiS 20/3/2001

AXiS Trimetra User Group

Glenn Fitzgerald

Manager, Storage Solutions

ICL High Performance Systems

Storage: Beyond The TLAs


AXiS 20/3/2001

Rapidly Changing Storage Market

Price of storage capacity decreasing 30-40% pa Storage demand growth 100% pa

Driven by internet business applications Customer Relationship Management (CRM) Video/Audio/Graphics data streams

Nature of stored data shifting Datacentre becoming storage centric Critical data distributed Applications growing storage-hungry

Storage Software value to exceed $10B by 2004 Increased complexity Storage Virtualisation Prominent vendors forming storage software arms


AXiS 20/3/2001

New Storage Infrastructures

Changes require new storage model Complex configurability Application exploitation 7 X Forever availability

Network Infrastructures demanded Storage Area Networks (SAN) Network Attach Storage (NAS)

Complex infrastructures demand toolsets

SAN management Storage Resource Management (SRM)


AXiS 20/3/2001

Enterprise capabilities more and more in demand

Organisations cannot afford downtime Backup window disappearing

Storage sales growing quickly Storage Service Providers are an alternative

Buy storage like electricity! Avoids management complexity and skills shortage Raises data protection issues

Storage Solutions to meet requirements Storage integrated across IT environment Partnerships with best in the market Enterprise characteristics ensured

Changing Business Models


AXiS 20/3/2001

Channel Growth is in StorageWW Storage Revenue Vs. Server Revenue

Compound Annual Growth Rates 1999–2003

5.5%

10.7%

8.0%

10.8%

13.7%

12.2%

0% 5% 10% 15%

Direct

Indirect

Overall

Server


AXiS 20/3/2001

0% 20% 40% 60% 80% 100%

59.7%

60.7%

Direct

Direct

73.1%

81.1%

Indirect

Indirect

66.1%

66.5%

Open SAN total

NAS total

WW Storage Revenue Compound Annual Growth Rates 1999–2003

Channel Growth Is in Value-Add Solutions

Storage Solutions: IDC’s view


AXiS 20/3/2001

Storage Solutions from HPS

ICL High Performance Systems can offer...

a variety of storage solutions tailored to individual customer needs partnering with a wide range of suppliers

EMCSunCompaqIBMCABrocade

StorageTekMicrosoftFujitsuLegatoVERITASNetwork Appliance


AXiS 20/3/2001

Storage Area Networks: Components

VME


AXiS 20/3/2001

Storage Area Networks: Benefits

Enhanced data availability with minimal performance impact

Automatic fail-over for increased reliability and availability

Scalability through a flexible SAN Fabric allows addition of servers and storage devices without disruption

Clear disaster-recovery plan Improved security through SAN

zoning Lower operational costs Simplified data management


AXiS 20/3/2001

64 bit

64MHz

Emulex LP8000

Qlogic QLA2100

QLA2200

QLA2300 2Gb


AXiS 20/3/2001

Silkworm 280016 port GBIC basedTwin power supplies (optional). Hot swap.Redundant fansFront panel administrationTelnetWebTools


AXiS 20/3/2001

Switch Performance

100MB/sec full duplex (per port) 3.2 GB/sec bandwidth (16-port

switch) Non-blocking cross-bar switch Frame cut-through port-to-port Typical latency is 1-2 usec Typical 6:1 fanout Zoning for security and privacy


AXiS 20/3/2001

Zoning


AXiS 20/3/2001

Translative Mode allows Public devices to communicate with Private devices across the Fabric.

FL_Port Translative Mode

Public

Private


AXiS 20/3/2001

Physical location of Host B

Physical location of Host A

Phantom appearance of Host A

Phantom appearance of Host B

A B

AB

Host A and Host B are actually Fabric attached hosts.

The Fabric causes Host A and Host B to appear as if they were attached to the same Private loop.

From the point of view of the Private disc drives, Host A and Host B are local hosts on their Private loop.

(And by the way, from the point of view of the hosts, the disc drives appear as if they were Public devices.)

Private disc drives

Fabric

Phantom devices


AXiS 20/3/2001

RAID Performance

Some considerations Disk spindle size - 18GB, 36GB 73GB RAID-5 or RAID-1/0 Striping, stripe width, and stripe size Disk array - IOPS Disk array - data throughput Back end data buses, e.g. FC-AL Read / write cache size & behaviour RAID controller CPU speed Host network - Fibre Channel Host server HBAs, PCI, etc.


AXiS 20/3/2001

Performance Summary

Summary SANs are complex, but infinitely flexible There is scalability at both architectural

and component level Total configuration can be very

complex.... ....so must analyse/monitor each

component Bottlenecks can be anywhere and

everywhere Lots of scope for consultancy and

professional services


AXiS 20/3/2001

Traditional LAN based backup


AXiS 20/3/2001

LAN free SAN based backup


AXiS 20/3/2001

Enterprise Backup Performance

MSC

S Database &Application

Servers(Windows)

Clu

ster Database &

ApplicationServers(Solaris)

SAN Fabric

Backup &Admin Servers

TapeLibrary

Database &Application

Servers(Windows)

Database &Application

Servers(Solaris)

Network Backup

SAN Backup


AXiS 20/3/2001

Backup performance

Some considerations Network backup or LAN-free backup? Fast Ethernet or Gigabit? Dedicated tape drives or shared Sizing of backup server Sizing of library

Rule of thumb If server has >100GB of data... ....use Gigabit network or SAN connect


AXiS 20/3/2001

Extended Fabrics

Up to 100KM

Optional licence


AXiS 20/3/2001

Remote Switch

Up to 300km

Optional licence


AXiS 20/3/2001

Storage for e-Infrastructure

Scalable, modular, consolidated storage

Firewalls & load balancing

routers

ICLnet

Internet

Dial-up

NASNAS (file

servers)

Embeddedstorage

MSC

S Database &Application

Servers(Windows)

Clu

ster Database &

ApplicationServers(Solaris)

SAN Fabric

EnterpriseServers

Backup &Admin Servers

TapeLibrary

Bal

anci

ng

Windows Solaris

Statelessfront-endWeb servers

Linux

Bal

anci

ng

Bal

anci

ng

Fabric links to remote sites for

split-site working


AXiS 20/3/2001

NAS versus SAN

NAS File access over IP

SAN Block access over Fibre Channel Policy NAS and SAN are different, but

complementary, technologies Use “NAS for clients” Use “SAN for databases”


AXiS 20/3/2001

NAS Performance

Some considerations Number of NAS boxes Number of disks per box, size of disks Disks per raidgroup, raidgroups per

volume File system size, behaviour and

fragmentation File system space for growth and for

snapshots Host behaviour - NFS & CIFS traffic Host interface - Fast Ethernet or Gigabit? Client performance behaviour Network management and characteristics


AXiS 20/3/2001

Storage Networks - future trends

Trends Consolidation of NAS and SAN storage

subsystems Convergence of SAN / NAS technologies Cisco adoption of Fibre Channel SCSI over IP Convergence of IP and Fibre Channel Growth of IP storage networking

international computers limited, 2001 axis 20/3/2001 axis trimetra user group glenn fitzgerald...

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