What is the difference between Block Blob and Page Blob

Block blobs are for your discrete storage objects like jpg's, log files, etc. that you'd typically view as a file in your local OS. Max. size 200GB.

 

 

Page blobs are for random read/write storage, such as VHD's (in fact, page blobs are what's used for Azure Virtual Machine disks). Max. size 1TB. Supported by the new Azure Premium Storage offering.

 

 

more details check out below links

 

https://msdn.microsoft.com/en-us/library/azure/ee691964.aspx

 

http://stackoverflow.com/questions/29079268/differences-between-azure-block-blob-and-page-blob

 

https://sites.google.com/a/cloudenablers.com/blog/windowsazure/block-blob-page-blob