Need Suggestions for Automated Backup

[Chong Yu Meng]

Hmm... I never thought about the size thing. Didn't factor it in.

I'm not sure about RAID, though -- I'll have to do the sums to see if I 
can build in some redundancy. Which would you suggest ? Mirroring or a 
full RAID-5 array ? I'm thinking now of maybe dumping everything into an 
external hard drive since it's actually cheaper (and faster) than tape. 
But I won't be able to keep many "snapshots" of the data, I imagine. 
Typically, how many days data does a company keep?

Thanks and Regards,
pascal chong



Net Llama! wrote:

> On 12/01/03 18:39, Chong Yu Meng wrote:
>
>> Hi All,
>>
>> I'm going to be deploying another set of servers very soon and need 
>> to work out some kind of backup scheme for servers that will be 
>> running a database and several web applications.
>>
>> I know that most people use a tape drive and cron job to backup 
>> stuff. However, right now my budget is really tight, and I was 
>> wondering how good CD-ROM backups are. I haven't heard of anyone 
>> using it, and I'm wondering if it is because they are unreliable. I'm 
>> thinking of the following scheme:
>>
>> 1. Tar all files to be archived into a humongous file
>> 2. Mount CDROM drive (with blank CD inside)
>> 3. Copy humongous tar file to CD
>> 4. Unmount CD
>>
>> All operations are to take place possibly around 4am local time.
>
>
> Well, its both the fact that they aren't 100% reliable, and the fact 
> that they only hold 700MB each, which isn't that much in the grand 
> scale of things these days.  You'd prolly be better off doing some 
> kind of RAID disk duplication scenario.
>
>