Transcript > blobs > > > > tables queues drives (new) > > > > (new) (new) New Features > Blobs > New Type of Blob > Page Blob > New Blob Operations > Update Blob > Copy Blob > Snapshot Blob >

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blobs
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tables
queues
drives (new)
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(new)
(new)
New Features
> Blobs
> New Type of Blob
> Page Blob
> New Blob Operations
> Update Blob
> Copy Blob
> Snapshot Blob
> Lease Blob
> New Ways of Accessing and Serving Blob Content
> Custom Domain Names
> Root Blob Container
> Content Delivery Network access
> Shared Access Signatures
> Drives
Provides durable NTFS volumes for Windows
Azure applications to use (Feb 2010)
Account
Container
Blob
PIC01.JPG
images
PIC02.JPG
sally
movies
MOV1.AVI
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(new)
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> PutBlob
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> GetBlob
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DeleteBlob
CopyBlob (new)
SnapshotBlob (new)
LeaseBlob (new)
(new)
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http://sally.blob.core.windows.net/images/pic1.jpg?comp=snapshot
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http://sally.blob.core.windows.net/images/pic1.jpg?snapshot=<DateTime>
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MyBlob
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MyBlob
Promote
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http://sally.blob.core.windows.net/music/rock/rush/xanadu.mp3
(new)
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http://<Account>.blob.core.windows.net/<Container>/<BlobName>
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http://sally.blob.core.windows.net/clientaccesspolicy.xml
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http://sally.blob.core.windows.net/$root/clientaccesspolicy.xml
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(new)
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http://sally.blob.core.windows.net/
http://market.cohowinery.com/
http://market.cohowinery.com/images/pic1.jpg
(new)
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Shared Access Signature (SAS)
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https://sally.blob.core.windows.net/images/pic1.jpg?
st=2009-11-07T08:49Z &se=2009-11-07T09:49Z &sr=c &sp=rw
&sig=3OSeIHP8haK%2fle9%2bBK3BX1DsdMM%3d &si=foo
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Valid time range
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Two resource levels of access to grant
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st=Start time (optional)
se=End time
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c=Container | b=Blob
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r=Read | w=Write | d=Delete | l=List
Four types of permissions (or any combination)
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(new)
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http://sally.blob.core.windows.net/
http://<guid>.vo.msecnd.net/
http://events.cohowinery.com/
http://guid01.vo.msecnd.net/images/pic.1jpg
To Enable CDN:
 Register for CDN via Dev Portal
 Set container images to public
Not Accessible!
Edge Location
Edge Location
TTL
Edge Location
Content Delivery Network
http://sally.blob.core.windows.net/

http://guid01.vo.msecnd.net/
pic1.jpg
pic1.jpg
pic1.jpg
http://sally.blob.core.windows.net/images/pic1.jpg
Windows Azure Blob Service
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(new)
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Account
Container
images
Blob
PIC01.
JPG
Blocks or
Pages
PIC02.
JPG
sally
Block or
Page 1
movies
MOV1.AVI
Block or
Page 2
Block or
Page 3
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blocks
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(new)
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pages
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Block Id N
Block Id 1
Block Id 2
Block Id 3
10 GB Movie
blobName = “TheBlob.wmv”;
PutBlock(blobName, blockId1, block1Bits);
PutBlock(blobName, blockId2, block2Bits);
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PutBlock(blobName, blockIdN, blockNBits);
PutBlockList(blobName,
blockId1,…,blockIdN);
TheBlob.wmv
Windows Azure
Storage
Example Blob
Block Id 2
Block Id 4
Block Id 3
Block Id 4
Block Id 1
Uncommitted
Block Id 2
Block Id 0
Block Id 3
Block Id 4
Block Id 0
Block Id 3
Block Id 5
Committed
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PutBlock
PutBlock
PutBlock
PutBlock
PutBlock
BlockId1
BlockId3
BlockId4
BlockId2
BlockId4
PutBlockList(u=BlockId2,
c=BlockId0, u=BlockId3,
u=BlockId4)
Committed and readable version of blob
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PutBlock
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PutBlockList
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GetBlockList
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(new)
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0
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512
1024
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10 GB Address Space
1536
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GetPageRange 0, 4096
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10 GB
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PutPage 512, 2048
PutPage 0, 1024
ClearPage 512, 1536
PutPage 2048,2560
0,512
1536,2560
GetBlob 1000, 2048
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1536,2048
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PutPage - limited to 4MB
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ClearPage - can specify up to max size of blob
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Clear range of pages at the offset
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GetBlob
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GetPageRange
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(new)
> New Blob Operations
> Copy, Snapshot, and Lease work for both types
> New Ways of Accessing and Serving Blob
Content
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Content Delivery Network access
Custom Domain Names
Root Blob Container
Shared Access Signatures
> Additional new features
> ListBlob, GetBlob, Blob Properties (see MSDN docs)
> Blobs
> Drives
(Feb 2010)
(new)
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http://<accountname>.blob.core.windows.net/<containername>/<blobname>
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Application
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Drive X:
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Lease
Windows Azure
Blob Service
Application
Drive X:
Lease
Windows Azure
Blob Service
Application
Application
Drive X:
Drive X:
Lease
Acquire
Lease
Lease
Windows Azure
Blob Service
Drive Y:
Drive X:
Mount
Read
Only
Drive Z:
Read
Mount
Only
Lease
Updates
Snapshot1
Windows Azure Blob Service
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