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2013 IBM CorporationThis document is for IBM and IBM Business Partner use only
Client Technical Specialist IBM System Storage
IBM SAN Volume Controller
Reviso: 19/02/2013
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IBM System Storage
2013 IBM CorporationThis document is for IBM and IBM Business Partner use only
Agenda
Software do SVC
Data migration
Flashcopy
Metro Mirror
Global Mirror
Virtual Disk Mirroring
Easy Tier
Thin Provisioning
VAAI
Real-time performance statistics
Stretch Cluster /VMWare
GUI management
Integrated Data Compression
Non-disruptive Virtual Disk move
FCoE support
Introduo
Ilhas SAN
O que o SVC ?
Virtualizao da infra-estrutura
Gerenciamento, provisionamento
SAN zoning
Terminologia
Mapeamento: LUN x Volume
Segregao, pools de storage
Tipos de LUNs
Extents
Migrao de dados
2
V6.4
O software ser estudado na sesso V7000
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IBM System Storage
2013 IBM CorporationThis document is for IBM and IBM Business Partner use only
Agenda
Introduo
Ilhas SAN
O que o SVC ?
3
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IBM System Storage
2013 IBM CorporationThis document is for IBM and IBM Business Partner use only4
A virtualizao a representao lgica de recursos fsicos
Hypervisor
Virtual Servers
PhysicalServer
Cluster
Mltiplas imagens de um recurso dentro de um fsico
Virtual Memory - LPARs Virtual Machines Logical Channels
Funes que parecem ser reais , mas no existem dentro do recurso fsico
In-Memory Virtual Networks Hipervisors iSCSI Virtual Tape
Grupo de vrios recursos distribuidos (separados) que parecem como nico sob oponto de vista do seu usurio
Clusters RAID Virtual Disks SAN Volume Controller
Compartilhamento
Emulao
Agrupamento
Hypervisor
Virt. Ethernet LAN
OS OS OSOS
DeviceDriver
DeviceDriver
DeviceDriver
DeviceDriver
VDISK
VIRTUAL
VDISK VDISK
LUN
LUN
LUN
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IBM System Storage
2013 IBM CorporationThis document is for IBM and IBM Business Partner use only5
SAN
FC Switch
Management
Application
DS4K Mgmt. Application
HP Mgmt. ApplicationEMC Mgmt. Application
EMC Drivers EMC Drivers HP Drivers HP Drivers DS4K Drivers
HP DS4KEMC Remote Copy ?
Snapshot ?
Out
of
Space
Out
of
Space
Out
of
Space
Uma rede de storageheterogenea possuiimplicaes tais como:
Capacidade
Livre
010101010101010101
010010101101001000
Data Migration
ILHAS DE STORAGENA SAN,
Incompatibilidade/coexistncia de Dev Drives
diferentes
Expanso de volumes lgicos dentro do
mesmo equipamento
Migrao de dados entre diferentes
tecnologias limitada
Funes de espelhamento limitadas
tecnologia do disco
Funes de cpias instantneas
Gerenciamento individual
Custo Total da Propriedade
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IBM System Storage
2013 IBM CorporationThis document is for IBM and IBM Business Partner use only6
ArquiteturaO Virtualizador SVC cria umacamada entre os servidores eas ilhas de discos
Pool nico de Discos
Discos Lgicos so propriedade do
Virtualizador
Discos Virtuais so definidos e
espalhados pelo pool de discos
Servidores enxergam Discos Virtuais
Escalabilidade do SVC
Driver com um plataformas d iferentesde servidores
SAN
VDISKVDISK
ESS CPQ LCRB
VDISK VDISK
SVC Driver SVC Driver SVC Driver
Servidores
Discos
Lgicos
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IBM System Storage
2013 IBM CorporationThis document is for IBM and IBM Business Partner use only
Volume
Storage
Pool
Stripe
16MB 2GB
Managed
Disk
LUN
Stripe
2 - 512 KB
mdisk0
100GB
mdisk1
100GB
mdisk2
100GB
mdisk3
100GB
mdisk6
200GB
mdisk5
200GB
mdisk4
200GB
EMC
100GB
EMC
100GB
EMC
100GB
EMC
100GB
IBM
200GB
IBM
200GB
IBM
200GB
mdiskgrp0 [EMC Group]
400GB
mdiskgrp1 [IBM Group]
600GB
vdisk0
125GB
vdisk2
525GB
vdisk3
1500GB
vdisk4
275GB
vdisk5
5GB
Mapping to Hosts
w/SDD or supported MultiPath Driver
SVC Logical View
vdisk1
10GB
Space-efficient
7
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IBM System Storage
2013 IBM CorporationThis document is for IBM and IBM Business Partner use only
Caractersticas hardware (engine) do SVC
A SAN-based, in-band storage virtualizationproduct
Appears as a disk subsystem providing LUNs toservers
These can be thin provisioned as of V4.3
Virtualizes IBM and non-IBM storage
Over 175 systems from EMC, Dell, HP, HDS, NetApp,Sun, Pillar, & STK)
Allows for standard multipath driver regardless ofbackend array
SVC engine
IBM System x3550 M3 server (1U)
Intel Xeon 5600 (Westmere) 2.53 GHz quad-core
processor
24GB of cache
Four 8Gbps FC ports each engine
2 x 10 Gb Ethernet ports support for iSCSI host
attachment 2 x 1Gb Ethernet ports for SSPC administration
Solid State Drive support
Up to 4 x 146GB SSD disks per engine(optional)
New engines may be intermixed in pairs with
other engines in SVC clusters
Cluster non-disruptive upgrade capability replace older engines
System Storage Productivity Center
Administration console recomended
Includes TSPC basic
Replaces the SVC 2145-CF8 engine
8
SVC 2145-CG8
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IBM System Storage
2013 IBM CorporationThis document is for IBM and IBM Business Partner use only9
SVC 2145-CG8 engine based on IBM System x3550 M3 server (1U)
Intel Xeon 5600 (Westmere) 2.53 GHz quad-core processor 24GB of cache Four 8Gbps FC ports
Supports up to four internal 146GB SSDs
Optional 10 Gb Ethernet support for 10 Gb iSCSI host attachment and future FCoEsupport
Two 10Gb ports per storage engine Storage engine supports 10Gb iSCSI or internal SSDs but not both Factory install or nondisruptive field upgrade
Engines may be intermixed in pairs with other engines in SVC clusters
Mixing engine types in a cluster results in volume throughput characteristics of theengine type in that I/O group
Cluster non-disruptive upgrade capability may be used to replace older engines withCG8 engines
Replaces the SVC 2145-CF8 engine
99
IBM System Storage SAN Volume Controller
10Gbps
iSCSI
1Gbps
iSCSI
8Gb
ps
FC
10Gbp
s iSCSI
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IBM System Storage
2013 IBM CorporationThis document is for IBM and IBM Business Partner use only
Agenda
Introduo
Ilhas SAN
O que o SVC ?
Virtualizao da infra-estrutura
Gerenciamento, provisionamento
SAN zoning
10
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IBM System Storage
2013 IBM CorporationThis document is for IBM and IBM Business Partner use only
SAN Volume Controller - Arquitetura
11
SAN Volume Controller
Node Pair or I/O Group
SAN
Physical
Servers and Storage still cabled
directly to the SAN
SVC cables to additional SAN
ports
Logical
SVC is In Band
All data goes through the SVC
Consolidates function and adds
speed
SVC Node
SVC Node
HPEMCDS4000
DS8000
HDS
VDiskVDisk
bloco
bloco
bloco
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IBM System Storage
2013 IBM CorporationThis document is for IBM and IBM Business Partner use only12
Arranjo de um ou mais
Poolsde Sistemas de
Discos
Servios de
cpias (backup eremotas)
Gerenciamento
Central
Migrao, upgrades.
escalabilidade
transparente para os
Hosts
VirtualDisk
VirtualDisk VirtualDiskVirtualDisk
SAN
SAN Volume Controller
Advanced Copy Services
Storage Pool
HP
EMCDS4000
DS8000
HDS
O SVC introduz flexibilidade na infra-estrutura de storage
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IBM System Storage
2013 IBM CorporationThis document is for IBM and IBM Business Partner use only13
O SVC redundante, modular e escalvel
StorageNetwork
Managed Disks
Virtual DisksVirtual DisksVirtual DisksVirtual Disks
Node Node Node Node Node
Virtual disks are sharedbetween a pair of nodes
Node NodeNode
Each node is an System x
with Read/Write cache that ismirrored across the pair
The pool of managed disks is
controlled by a cluster of
managed nodes (up to 4 pairs,
scaling higher in the future)
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IBM System Storage
2013 IBM CorporationThis document is for IBM and IBM Business Partner use only14
SAN
A camada de virtualizao separa hosts dos storages via SANzonning
SAN
Volume Controller
Virtual
Disk
Host
Zone
Device
Zone
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IBM System Storage
2013 IBM CorporationThis document is for IBM and IBM Business Partner use only
Agenda
Introduo
Ilhas SAN O que o SVC ?
Virtualizao da infra-estrutura
Gerenciamento, provisionamento
SAN zoning
Terminologia
Mapeamento: LUN x Volume
Segregao, pools de storage
Tipos de LUNs
Extents
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IBM System Storage
2013 IBM CorporationThis document is for IBM and IBM Business Partner use only16Storage Virtualization Basics
16
MDG1
Pool 2
MDG3
Cluster:Max 4 Node-pairs (8 Nodes total)
or IO Groups
Large environments may have
multiple clusters
SAN Volume Controllers nodes
Managed Disks (MDisks):
Select LUNs (MDisks) from up to 64 physicaldisk subsystems
Max 128 Storage Pools (MDG)
Max 128 MDisks per Pool
Max 4096 MDisks per Cluster
Can add or remove from Pool
SAN Volume Controller Terminologia utilizada
I/O Group A I/O Group B
Volumes (Virtual Disks):Max 8192 Volumes total (2048 per IO Group) up to
256TB in size
Each Volume is assigned to:
Specific Node-pair (IOGroup)
Specific Storage Pool
Pool 1 Pool 3
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IBM System Storage
2013 IBM CorporationThis document is for IBM and IBM Business Partner use only17
A terminologia do SVC foi alterada com o anncio do V7000
SVC 6 term Previous SVC term
Event Error
Host mapping VDisk-to-host mapping
Storage pool Managed disk (MDisk) group
Thin provisioning(or thin-provisioned) Space-efficient
Volume Virtual disk (VDisk)
Alterao para manter coerncia com o V7000
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IBM System Storage
2013 IBM CorporationThis document is for IBM and IBM Business Partner use only18
Mapeamento LUN/Vdisk, isolamento, QoS
RAIDcontroller 2
RAIDcontroller 1
LUN
4
LUN
3
LUN
2
LUN
1
LUN
4
LUN
3
LUN
2
LUN
1
MD
4
MD
3
MD
2
MD
1
MD
8
MD
7
MD
6
MD
5
Physical configuration
changes impact hostand application
availability.Managed disks
SCSI LUNs
SCSI LUNs are still
mapped 1-to-1 to what
they believe are hosts
but are really Managed
disks on the SAN Volume
Controller
VD
4
VD
3
VD
2
VD
1
VD
7
VD
6
VD
5
Virtual disksHosts are still
mapped to LUNsthat they believe
are physical disks
but are really
Virtual disks that
are created with the
capacity and quality
of service required
by the application
Virtual-to-physical Mapping The SAN VolumeController controls
the mapping of
Virtual disks to
Managed disks
High Perf Low CostManaged disks are
collected into
Managed Disk
Groups to
facilitate different
categories ofstorage devices
SVC insulates the
hosts from the
effects of changes
in the physical
environment.
Disk subystems can
be moved in and out
Copy services can
span dissimilar
subsystems
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IBM System Storage
2013 IBM CorporationThis document is for IBM and IBM Business Partner use only19
Inter-relacionamento de entidades de storage com umaCluster SVC
SVC
Cluster
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IBM System Storage
2013 IBM CorporationThis document is for IBM and IBM Business Partner use only20
Extent 1a
Extent 2a
Extent 3a
Extent 1b
Extent 2b
Extent 3b
Extent 1c
Extent 2cExtent 3c
1. Striped
mdisk2200GB
mdisk3
200GB
mdisk1200GB
Tipos de volumes virtuais( em preparao para migrao de LUNs com dados)
1. Striped
Partial extent
3. Image
Extent 5c
Extent 5a
Extent 5b
Extent 5d
Extent 5e
Extent 5f
Extent 5g
Extent 5c
Existing data
mdisk5
16GBvdiskc
16GB
3. Image
1. Striped
2. Sequential
Extent 4a
Extent 4b
Extent 4c
Extent 4d
Extent 4e
Extent 4f
Extent 4g
mdisk4
200GBvdiskb16GB
2. Sequential2. Sequential
Vdisk16GB
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IBM System Storage
2013 IBM CorporationThis document is for IBM and IBM Business Partner use only
Caractersticas dos Extents do Storage Pool
um atributo do Storage Pool
Tamanho varia de 16MB 8GB
Valor assumido (default) 256MB
Unidade de alocao para a LUN
Exemplo: uma LUN de 10GB possui 40
extents alocados (no Thin)
Cada SP pode ter extents de tamanhodiferente (no recomendado)
Tamanho mximo do SP 2**22 extents
Afeta o espao do SP na cluster
Se extent=2GB SP=8PB
Se extent=256MB SP=1PB
Tamanho mximo do Vdisk
2**17 extents
Afeta o tamanho do Vdisk
Se extent=2GB Vdisk=256TB
Se extent=256MB Vdisk=32TB
21Storage Virtualization Basics
21
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IBM System Storage
2013 IBM CorporationThis document is for IBM and IBM Business Partner use only22
Current Image Mode Virtualized
A B C
Pool1
AB
Pool2
C
Va Vb Vc
Migrao de LUNs com dados para o SVC
Pool3
Pool4
Va Vb Vc
Non
Disruptive
C CC
BB BA A A
migratevdisk mdiskgrp (mdisk_group_name) vdisk (vdisk_name)'
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IBM System Storage
2013 IBM CorporationThis document is for IBM and IBM Business Partner use only
Agenda
Software do SVC
Data migration
Flashcopy
Metro Mirror
Global Mirror
Virtual Disk Mirroring Easy Tier
Thin Provisioning
VAAI
Real-time performance statistics
Stretch Cluster /VMWare
GUI management
Integrated Data Compression
Non-disruptive Virtual Disk move
FCoE support
Introduo
Ilhas SAN
O que o SVC ?
Virtualizao da infra-estrutura
Gerenciamento, provisionamento
SAN zoning
Terminologia
Mapeamento: LUN x Volume
Segregao, pools de storage
Tipos de LUNs
Extents
Migrao de dados
23
V6.4
O software ser estudado na sesso V7000
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IBM System Storage
2013 IBM CorporationThis document is for IBM and IBM Business Partner use only
Os valores e importncia do SVC para os clientes
Pode evitar compras de softwares de
otimizao de performance Exemplo1: Veritas Volume Manager, EMC Optimizer, etc
Exemplo2: software de Thin-Provisioning
SVC inclui thin-provisioning no produto
Business Continuity
MM, GM, Flashcopy
Licena por TB gerenciado
Funes embarcadas sem custo
Easy Tier,
Thin Provisioning
VAAI
Real-time performance statistics
Stretch Cluster /VMWare
Otimiza a taxa de utilizao de storage
atravs de pools
Facilita a migrao de dados entre
sistemas
Cpias realizadas em paralelo com
aplicativo online
Aumenta a disponibilidade dos aplicativos
Possui um gerenciamento centralizado
Uma s licena na camada de
virtualizao
No requer licenas nos sistemas de
discos
Multi-path software incluido com o produto
No requer licenas para os servidores
Potencializa o espao com Compresso
de dados
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IBM System Storage
2013 IBM CorporationThis document is for IBM and IBM Business Partner use only26
SVC Advantages Industry-leading storage virtualization offering
Only storage virtualization system with integrated Real-time Compression designed to be
used with active primary data
Best performing storage virtualization system in industry-standard benchmarks
First storage virtualization system with fully integrated SSD support
Integrated iSCSI server attachment support and support for FCoE protocol
Fully upgradable without disruption from smallest to largest configurations
Future proof with ability to replace current hardware with new hardware without disruption
Network-based virtualization with SVC supports diverse server environments including
VMware, other virtualization, and non virtualized servers
IBM has shipped over30,500 SVC engines running in more than 9,300 SVC systems
From 2006 to present, across this entire installed base, SVC delivered better than five
nines (99.999%) availability
SAN Volume Controller is a proven offeringthat has been delivering benefits to customers
for over eight years
SAN Volume Controller can virtualize IBM and non-IBM storage (over 130 systems from
IBM, EMC, HP, HDS, Sun, Dell, NetApp, Fujitsu, NEC, Bull)
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IBM System Storage
2013 IBM CorporationThis document is for IBM and IBM Business Partner use only27
Fim