Backup and archiving strategy:
The amount of disk space required varies - usually increases:
Fixed costs:
Variable costs:
Horizontal: If I have space in the server - I will buy a disk.
Vertical: If I have space in the server room and the budget - I will buy a server.
A new disk will "appear" in the virtual machine
+-----+ +----------+ +---------------+
| App |-| Guest OS |-| App Container |
+-----+ +----------+ +---------------+
|
App protocol
|
+----------------------+
| Storage Area Network |
+----------------------+
I can map a new directory to the container
+-----+ +----------+ +---------------+
| App |-| Guest OS |-| App Container |
+-----+ +----------+ +---------------+
|
App protocol
|
+--------------------------+
| Network Attached Storage |
+--------------------------+
The application communicates with the storage using the application protocol. No mapping required, only application configuration.
+-----+ +----------+ +---------------+
| App |-| Guest OS |-| App Container |
+-----+ +----------+ +---------------+
|
App protocol
|
+--------------+
| Data Storage |
+--------------+
SQL
NoSQL
File space can be rented:
But sometimes you still need to have your own HW.
Access via application protocol:
Software as a Service (SAAS)
Special repositories: