Click to edit Master title style
� Click to edit Master text styles
� Second level
� Third level
� Fourth level
� Fifth level
IBM System Storage SAN Volumeט"תשס/סיון/ו"כController
1
ווירטואליזציה חיונית לזמנים קשים:
The IBM System Storage SAN Volume Controller
YORAM TALIBM ISRAEL
2
IBM Systems Storage
Click to edit Master title style
� Click to edit Master text styles
� Second level
� Third level
� Fourth level
� Fifth level
IBM System Storage SAN Volumeט"תשס/סיון/ו"כController
2
The need for Storage innovation
IT Challenges
� Explosion of data
� Compliance / security
� Infrastructure complexity
� Inflexible architectures
TB Growth
IT Budgets
Storage as a % of IT Budgets
Mgmt. of Storage as % of Storage
This Environment requires an innovative infrastructure …
IBM System Storage SAN Volumeט"תשס/סיון/ו"כController
3
FC Switch
ManagementApplication
DS4K Storage ManagerEMC Mgmt. ApplicationESS Specialist
SDD Drivers SDD Drivers EMC Drivers EMC Drivers RDAC Drivers
EMC DS4000ESS Remote Copy ?
Flashcopy ?
� Proprietary, non-interoperableCopy Services
� No common storage management interface
� Static relationship between serversand storage systems
� Inefficient use of storageresources
� Migration of data disruptive and time consuming
� Monolithic, potentially expensivestorage devices
� Pay for functionality when really just need capacity
Outof
Space
Outof
Space
Out
ofSpace
Storage Problems and Limitations Today
Free
capacity
010101010101010101010010101101001000Data Migration
IBM System Storage SAN Volumeט"תשס/סיון/ו"כController
4
Why Virtualization?
Logical representation of resources not constrained
by physical limitations
– Create many virtual resources within a single physical
device
– Reach beyond the box – see and manage many
physical resources as one
– Dynamically change and adjust across the
infrastructure
IBM System Storage SAN Volumeט"תשס/סיון/ו"כController
5
From The Press
IBM System Storage SAN Volumeט"תשס/סיון/ו"כController
6
Virtualization Is Everywhere
MiddlewareMiddleware
•Virtual machines
Application
SOA
Grid,Clustered applications
VM (mainframe)PowerVM (AIX)
VMware, Xen (x)
Storage
Virtual file systems
IBM System Storage SAN Volumeט"תשס/סיון/ו"כController
7
IBM System Storage SAN Volume Controller (SVC)
Gold
Silver
Bronze
SAN Volume Controller
Disks from different vendors
� Different device types
� Different multipathing drivers
� Different management interfaces
Hosts see many disks, but …
� One device type
� One multipathing driver
� One management interface
IBM System Storage SAN Volumeט"תשס/סיון/ו"כController
8
SANVolume Controller
SVC Version 4.3.1 Supported Environments
SAN with 4Gbps fabric
HPMA, EMA
MSA, EVA 4400XP 24000/20000
HitachiLightningThunder
TagmaStoreAMS, WMS, USP
EMCCLARiiON
Symmetrix
MicrosoftWindowsHyper-V
IBM AIX
IBM i 6.1
SunSolaris
HP-UX 11iTru64
OpenVMS
Linux(Intel/Power/zLinux)
RHEL
SUSE
IBMBladeCenter
SAN
SANVolume Controller
Continuous Copy
Metro Mirror
Global Mirror
VMware
Point-in-time CopyFull volume, Copy on write
256 targets, Incremental, Cascaded
Space-Efficient
NovellNetWare
SunStorageTek
IBMDSDS3400DS4000DS5000DS6000DS8000
IBMESS,
FAStT
1024Hosts
iSCSI to hostsVia Cisco IPS
IBMN series
NetAppFAS
SGI IRIX
IBM N series GatewayNetApp V-Series
IBM TS7650G
BullStoreWay
FujitsuEternus
NECiStorage
For the most current, and more detailed, information please visit ibm.com/storage/svc and click on “Interoperability”.
Space-Efficient Virtual DisksEntry Edition software
Virtual Disk Mirroring
AppleMac OS
PillarAxiom300, 500
IBMXIV
IBMz/VSE
IBM System Storage SAN Volumeט"תשס/סיון/ו"כController
9
VirtualDisk
VirtualDisk
VirtualDisk
SAN
Volume Controller
HP
EMCDS4000
DS8000
HDS
SAN Volume Controller Architecture
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
IBM System Storage SAN Volumeט"תשס/סיון/ו"כController
10
IBM SVC Operation
RAIDcontroller 2
RAID controller 1
LU
N 4
LU
N 3
LU
N 2
LU
N 1
LU
N 4
LU
N 3
LU
N 2
LU
N 1
MD
4
MD
3
MD
2
MD
1
MD
8
MD
7
MD
6
MD
5
Physical configuration changes impact host and 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 LUNs that 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 MappingThe SAN Volume Controller controls the mapping of Virtual disks to Managed disks
High Perf Low Cost
Managed disks are collected into Managed Disk Groups to facilitate different categories of storage devices
The SAN Volume Controller “insulates”the host systems from the effects of changes in the physical environment so disk subystems can be moved in and out and copy services can span dissimilar subsystems
IBM System Storage SAN Volumeט"תשס/סיון/ו"כController
11
Capacity Utilization
Traditional SAN
� Capacity is isolated in SAN islands
� Multiple management points
� Poor capacity utilization
� Capacity is purchased for, and owned by individual processors
SAN Volume Controller
� Combines capacity into a single pool
� Uses storage assets more efficiently
� Single management point
� Capacity purchases can be deferred until the physical capacity of the SAN reaches a trigger point.
SAN
95%capacity
25%capacity
50%capacity SAN
SANVolume Controller
55%capacity
IBM System Storage SAN Volumeט"תשס/סיון/ו"כController
12
Data MigrationTraditional SAN
1. Stop applications
2. Move data
3. Re-establish host connections
4. Restart applications
SAN Volume Controller
1. Move data
Host systems and applications are
not affected.
SAN
SANVolume Controller
SAN Virtual
Disk
IBM System Storage SAN Volumeט"תשס/סיון/ו"כController
13
Information Lifecycle Management
Traditional SAN
� Moving data between arrays is
disruptive
� Copy Services only between like
arrays
SAN Volume Controller
� Ability to move data between arrays
without disruption
� Apply Copy Services from any to any
� Match the cost of storage to the business
value of the data
SAN
EMC DS8000 DS4000
Metro MirrorTimeFinder
SANSAN Volume
Controller
DS8000
EMC
FlashCopy
Migration
DS
4000
IBM System Storage SAN Volumeט"תשס/סיון/ו"כController
14
Business ContinuityTraditional SAN� Replication APIs differ by vendor
� Replication destination must be the
same as the source
� Different multipath drivers for each
array
� Lower-cost disks offer primitive, or no
replication services
SAN Volume Controller� Common replication API, SAN-wide, that
does not change as storage hardware
changes
� Common multipath driver for all arrays
� Replication targets can be on lower-cost
disks, reducing the overall cost of
exploiting replication services
SAN SAN
SANVolume Controller
IBMDSx
IBMDSx
EMCSym
EMCSym
FlashCopy®PPRC
TimeFinderSRDF
IBMDS8000
IBMDS4000
EMCSym
HPMA
SVC
IBMS-ATA
IBM System Storage SAN Volumeט"תשס/סיון/ו"כController
15
Metro Mirror
� “Metropolitan” distance synchronous remote mirroring function
� Up to 300km between sites for business continuity
– As with any synchronous remote replication, performance requirements may limit usable distance
� Host I/O completed only when data stored at both locations
� Designed to maintain fully synchronized copies at both sites
– Once initial copy has completed
� Metro and Global Mirror delivered as single feature
– Offers great implementation flexibility
� Operates between SVC clusters at each site
– Local and remote volumes may be on any SVC supported disk systems
IBM System Storage SAN Volumeט"תשס/סיון/ו"כController
16
� Long distance asynchronous remote mirroring function
� Up to 8000km distance between sites for business continuity
� Does not wait for secondary I/O before completing host I/O
– Helps reduce performance impact to applications
� Designed to maintain consistent secondary copy at all times
– Once initial copy has completed
� Built on Metro Mirror code base
� Metro and Global Mirror delivered as single feature
– Offers great implementation flexibility
� Operates between SVC clusters at each site
– Local and remote volumes may be on any SVC supported disk systems
Global Mirror
IBM System Storage SAN Volumeט"תשס/סיון/ו"כController
17
FlashCopy® (Snapshot)
� Volume-level local replication function
� Designed to create copies for backup, parallel processing, test, …
� Copy available almost immediately for use
� Background copy operation or “copy on write”
� Up to sixteen copies of a single source volume
� Source and target volumes may be on any SVC supported disk systems
Up to 16
targets
Source
vdisk
FlashCopy
relationships
IBM System Storage SAN Volumeט"תשס/סיון/ו"כController
18
Cascaded FlashCopy� New FlashCopy capability to define and trigger cascaded mappings
– Mappings can be incremental or non-incremental
� Allows a vdisk to be both source and target in concurrent FlashCopy mappings
– See diagram: Map 2 can be defined and triggered while Map 1 relationship exists
� Maximum number of targets dependent on a single source disk is 16 (including the number of direct targets + number of targets defined from direct targets). The example shows 4 targets from source disk 0
� Allows backup of target disks to be made without having to disruptexisting FlashCopy relationships with original source
� Helps reduce time to establish copies of targets, since there is no need to await copy complete of target disk before triggering cascaded copy
� Designed to increase flexibility in use of FlashCopy
Disk0Source
Map 1 Map 2
Map 3
Map 4
Disk1FlashCopy
target of Disk0
Disk2FlashCopytarget of Disk1
Disk4FlashCopytarget of Disk3
Disk3FlashCopy
target of Disk1
IBM System Storage SAN Volumeט"תשס/סיון/ו"כController
19
� SVC stores two copies of a virtual disk, usually on separate disk systems– SVC maintains both copies in sync and writes to both copies
� If disk supporting one copy fails, SVC provides continuous data access by using other copy– Copies are automatically resynchronized after repair
� Intended to protect critical data against failure of a disk system or disk array– A local high availability function, not a disaster recovery function
� Copies can be split
– Either copy can continue as production copy
� Either or both copies may be space-efficient
Virtual Disk Mirroring
IBM System Storage SAN Volumeט"תשס/סיון/ו"כController
20
� Space-Efficient Virtual Disks function is the SVC implementation of “thin provisioning”
� Traditional (“fully allocated”) virtual disks use physical disk capacity for the entire capacity of a virtual disk even if it is not used
– Just like traditional disk systems
� With SEV, SVC allocates and uses physical disk capacity when data is written
– Can significantly reduce amount of physical disk capacity needed
� Available at no additional charge with SVC base virtualization license
Space-Efficient Virtual Disks (SEV)
IBM System Storage SAN Volumeט"תשס/סיון/ו"כController
21
SVC Delivers Availability, Performance, and Scalability
� We designed and built SVC with
the resiliency of a storage controller
� SVC supports non-disruptive firmware
updates and hardware maintenance on the disk arrays to further increase its availability
� SVC is a proven offering, having been
delivering benefits to customers for four years
It’s resilient
and highly available
It has the fastest benchmark of
any controller
It scales to manage
large environments
� SVC has the fastest SPC-1
benchmark EVER submitted (275K
IOPS)
� SVC has the fastest SPC-2
benchmark EVER submitted (7.08
GBPS)
� Many references quote significant performance improvements
(up to 10X faster)
� SVC scales from very
small configurations (1TB) to
large enterprises
(> PBs) and growing !
� New SVC enginesdeliver dramatically better
throughput, supporting larger and more I/O
intensive environments
IBM System Storage SAN Volumeט"תשס/סיון/ו"כController
22
SVC Delivers Value
� Creates tiers of
storage
� Enables multi-
vendor strategies
� Supports data
movement without
interrupting
applications
� Allocate more
storage to
applications
automatically
Improves
personnel
productivity
Reduces the cost and
complexity of
managing storage
Improves
business
continuity
Improves
storage
utilization
� Combines storage
capacity into a single
resource – from
multiple vendors
� Manage storage as a
business resource,
not as separate boxes
� Manage a single
storage resource
from a central point
Click to edit Master title style
� Click to edit Master text styles
� Second level
� Third level
� Fourth level
� Fifth level
IBM System Storage SAN Volumeט"תשס/סיון/ו"כController
23
Conclusions
IBM System Storage SAN Volumeט"תשס/סיון/ו"כController
24
Value of Storage Virtualization
� Enterprise Strategy Group reports that early virtualization adopters save every year on average:– 24% on hardware costs
– 16% on software costs
– 19% on SAN administration costs
� With a $1 million budget spending $500,000 on hardware, $200,000 on software, and $300,000 on administration
Source: http://searchstorage.techtarget.com/tip/1,289483,sid5_gci1122304,00.html
Annual savings would be $209,000
IBM System Storage SAN Volumeט"תשס/סיון/ו"כController
25
Why IBM Virtualization� Over 40 years experience with virtualization technologies
� Over 30 years experience with storage virtualization
� Industry’s first and leading mainframe virtualized tape system
� Industry leading disk block virtualization system
� Complete range of virtualization assessment, planning and implementation offerings
� IBM offers an integrated range of virtualization and management offerings to address all portions of the IT infrastructure
IBM System Storage SAN Volumeט"תשס/סיון/ו"כController
26
Key Areas of Cost Saving Observed by Forrester in SVC Customers
� Reduction in storage management and administration cost
– Allowing a core group of administrators to control multiple assets across a distributed storage environment (50% efficiency improvement)
� Improved storage utilization
– Improve capacity utilization of existing storage assets
– Control the growth of future spending (improved utilization by 30%)
� Reduced cost of storage
– Capitalize on being able to purchase the lowest cost storage resources (controlled growth on average by 20%)
� Improved customer and end user availability to data-driven applications
– Minimize downtime associated with migrating data between storage assets ($240,000 in annual savings)
Source: The Total Economic Impact™ Of IBM® System Storage™ SAN Volume Controller
IBM System Storage SAN Volumeט"תשס/סיון/ו"כController
27
Just in from the press room…
IBM System Storage SAN Volumeט"תשס/סיון/ו"כController
28
SVC Facts
� IBM has 40 years experience in virtualization technologies
� IBM has shipped over 15,000 SVC engines running in more than 5,000 SVC systems
� In 2008 across this entire installed base, SVC delivered better than five nines (99.999%) availability
� There are more than 130 customer references and 29 customer case studies for SAN Volume Controller
� SAN Volume Controller is a proven offering that has been delivering benefits to customers for over five years
� SAN Volume Controller demonstrates scalability with the fastest Storage Performance Council benchmark results
� SAN Volume Controller can virtualize IBM and non-IBM storage (over 120 systems from IBM, EMC, HP, HDS, Sun, Dell, NetApp, Fujitsu, NEC, Bull)
IBM System Storage SAN Volumeט"תשס/סיון/ו"כController
29
Gartner’s view on SVC
IBM System Storage SAN Volumeט"תשס/סיון/ו"כController
30
It’s storage virtualization software. It’s flexible. It’s you.
►To simplify your infrastructure
►To manage data from its creation throughout its lifecycle
►To support data availability, continuity and security
The power to break throughThe power to break throughThe power to break throughThe power to break through
IBM SAN Volume Controller
IBM System Storage SAN Volumeט"תשס/סיון/ו"כController
31
IBM System Storage SAN Volumeט"תשס/סיון/ו"כController
32
Thank You!
For the latest information please visit our Web site
http://www.ibm.com/storage/center
or write to: [email protected]
Top Related