I want to know is there harddisk specially for server? What is the name of it? If I am using home external harddisk to serve files for client, what is the difference with it when using server harddisk?
closed as off topic by EEAA, Ward, kce, Shane Madden♦, splattne Feb 14 '12 at 7:25
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There are many special hard dics for servers.
I want to know if there is special car for taxi drivers. What is name of it?
There are more than one. All major manufacturers have enterprise rated lines.
The way you ask: none. Enterprise hard disks are not a lot more reliable, and without good backups you just risk your business.
Enterpise disks are normally made for running in servers. That is not "I have 2 disks in a home computer" but "I have a database server that is not a joke and needs a lot of IO and runs 24/7". They are FAST (up to 15.000 RPM) and allow a lot of parallel commands (SAS, not SATA - SAS is a network for disks, so to say, you can plug in SATA discs) and more resilient (SATA allows 2 connections which often go through different chips and cables, so even if a controller fails the computer can access the data through the second controller). They oten also come with larger warranties and are rated for 24/7 - normal disks may loose warranty if used so long. They normally get used in SAN scenarios r larger server... like I have a smaller database / virtual server with 24 disk slots which soon gets upgraded to a 72 disks.
But if you run a single disk on a USB external case then - you know - all the talks abou enterprise discs are like putting a formula 1 engine into a fiat panda - makes no sense.
Especially because of one thing: they also fail. You are a lot better off starting to think about backups first. Backups like onto Blue Ray media (128 GB doable) or tapes.