m ember of Erste Group 80 people (Croatian subsidiary)
description
Transcript of m ember of Erste Group 80 people (Croatian subsidiary)
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• member of Erste Group• 80 people (Croatian subsidiary)• 250 people (Together with IT Dev part of ErsteBank)• IT service provider for ErsteBank Group entities• 3 Datacenters in Croatia(Zagreb, Bjelovar, Rijeka)• Microsoft technologies (AD, Exchange, SQL, Lync,
System Center, TMG, SharePoint, TeamSystem, File Servers, Failover Clustering, DFS, Hyper-V, etc...)
• 500 servers (90% virtualized)
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Hyper-V, Guest Clustering, Deduplication
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Not supported
Support for Virtual Fibre Channel Adapters
3
Boot from SAN SnapshotsHost based
backups using VSS
Supported
Live Migration of the VM
Guest Cluster
MPIO on the guest
Live Storage Migration of plain data on
the SAN
HBA and SAN NPIV support
required
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Virtual Fiber Channel architecture
4
DSM
Guest M
PIO
DSM
Guest M
PIO
Switch FabricSAN
Up to 4 VFC adapters
Each adapter is associated with a virtual SAN
Each adapter connects with one or two WWNN\WWPN address pairsHA VMs require two to support mobility scenarios in the cluster
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Virtual Fibre Channel Adapters NPIV settings
5
Each adapter is associated with a virtual SAN
Each adapter connects with one or two WWNN\WWNP
address pairsHA VMs require two for
mobility support in cluster
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Guest Clustering using FC storage access
• VMs should use WS2008, WS 2008 R2 or WS 2012• NPIV Support required• Up to 4 HBAs inside Guests• Multiple SANs access• MPIO on Host and Guest can coexist• Live Migration supported
• WWN Pairs should be assigned to the VMs• Hyper-V alternates between Set A and Set B on LMs
FC SANLUN
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Check with your fibre channel adapter vendor that:
The fibre channel adapter is certified for Windows Server 2012You have the latest firmware and drivers for the adapter
#1 issue we’re seeing so far
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Verify that you have enabled NPIV on the storage fabric meaning:
NPIV is enable on the Fibre Channel HBA and
NPIV is enabled on the Fibre Channel Switch portConfigure WWPN/WWNN as stated in the TechNet article HERE?
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Finally:
Fibre channel also offers a similar sounding feature called NPVHyper-V doesn’t use NPV
Hyper-V requires NPIV
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Demo #1
• Virtual FC adapter• SAN Switch, WWN,
Zoning• LUN mounting• Clustering• Live Migration while
copying data to/from cluster
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Common Data Optimization Techniques •Encoding a unit of data using fewer bits. Can be lossless as in ZIP or LZH formats. Or it can be lossy, as in JPEG or MP3 formats where data is actually removed.Compression:
•This is also known as Single Instance Storage (SIS). This is the act of identifying identical files within a data set, storing only one copy of the file and replacing all instances of the file with references to that copy. A list of the optimized files is stored in the SIS database.
File-level deduplication
:•The act of breaking files into chunks, identifying identical chunks, storing only one copy of each chunk, and maintaining in-file references to the set of chunks which comprise that file. Chunk-level deduplication is a superset of File-level deduplication and generally provides higher optimization ratios. Chunk-level deduplication can occur at fixed or variable chunk sizes. Generally, smaller and variable chunk sizes lead to higher optimization rates both coming at the cost of additional processing overhead.
Chunk-level deduplication
:
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This is what the files look like before deduplication
Pre Deduplication
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Identify the Chunks that are Identical
15
Attributes
Metadata A B C
Attributes
Metadata
M N OUnnamed Data
Stream
A B C X Y ZUnnamed Data
Stream
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Move Data Chunks into the Chunk Store
Attributes
Metadata
Attributes
Metadata
Unnamed Data Stream
A B C X Y ZUnnamed Data
Stream
A B C M N O
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Move Data Chunks into the Chunk Store
Attributes
Metadata
Attributes
Metadata
Unnamed Data Stream
A B C X Y ZUnnamed Data
Stream
A B C M N OMetadataAttribute
s Sparse Reparse Point
MetadataAttribute
s Sparse Reparse Point
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The data streams have been moved to a new structure called the chunk store. In place of the data stream, a reparse point is created that points to the chunk store. In addition, the stream is marked as sparse to indicate that the stream is segmented.
Post Deduplication
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The Dedup files, like VSS files, are stored in each volume's respective 'System Volume Information' directory. This includes logs, settings, state information, and the actual Chunk Store.
The Chunk Store
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Quick Glance Dedup FactsThe Dedup feature is not installed by defaultDedup is a ‘server only’ featureDedup is not supported on:• FAT volumes• Boot or System Volumes• Remote Drives• 3rd party file systems
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Quick Glance Dedup Facts IIDedup skips the following file types:
• Encrypted Files• Files with 'extended attributes'• Files less than 64KB in size• Files with reparse points
Dedup volumes can be backed up and restored optimized
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Typical Savings
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• File Cluster, File Share VolumesErsteBank Example #1
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• General File Share VolumeErsteBank Example #2
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• Garbage collection process to clear data chunks that are no longer referenced. This process deleted content to free up additional space. • Data scrubbing checks integratiy and
validate the checksum data. • These jobs can be ran manually by running Start-DedupJob –Type Scrubbing and –Type GarbageCollection.
Garbage Collection and Data Scrubbing
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Demo #2
• Setting Deduplication on File Cluster
• Starting Deduplication• Optimization Analysis