I'm required to come up with a specification for a new HDD to be purchased for a server I admin.
The current disk (purchased pre-installed in the system) already shows I/O errors (as evidenced by smartctl output), and thus I wish to follow an objective and systematic approach when deciding what HDD to purchase.
For background info about the server:
- my server is up 24/7
- server hosts both test and production apps
- hosts both database and web processes
- server has no redundancy peer - this is not a 1M+/s traffic node
What factors should I consider in choosing a hard drive for such a server?