The application can then call object with the unique object ID.Įxample: S3 is an Object storage whenever you upload any data to s3bucket, an S3 store with metadata like it tells you the content-type with value and also you can create customer metadata according to your requirement. This Object is given an ID which is calculated from the content of the object (from the data and metadata). An Object is defined as a data (file) along with all its meta-data which is combined together as an object. Object storage is a data storage architecture that manages data as objects as opposed to blocks of storage. Most of the file systems are based on block devices.Įvery block has an address and application can be called via SCSI call via its’ address and there is no storage side meta-data associated with the block except the address (block has no description, no owner).Īssume there is an Image file which has been stored and you can determine by seeing the block what is stored on particular block When you save image how it gets stored on a filesystem Image Data stored in blocks are normally read or written entirely as a whole block at the same time. If you want to save 8kb of data then two blocks will be allocated depends on the data size block is allocated. dev/sdb /mnt ext4 defaults 0 ~]# What is Block Storage 4096 Sdb 8:16 0 100G 0 disk ~]# Check FileSystem created on /dev/sdb block disk ~]# cat /etc/fstab | grep sdb When a user retrieves a block, the storage system reassembles the blocks into a single unit. The blocks can be stored in different environments, such as one block in Windows and the rest in Linux. Difference between Object Storage and Block Storage ~]# lsblk | grep sdb Block storage is when the data is split into fixed blocks of data and then stored separately with unique identifiers.
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