[lug] Backup system ideas

[Dan Ferris]

I just calculated it out. 

8 400 GB hard drives ~ $2200

1 3ware Serial ATA 150 controller ~ $380

4U case with 8 drive bays to hold everything ~ $200 (guesstimation)

Quantum LTO library and 16 LTO tapes.....

I didn't search, but it's at least 6 grand for just the library. 

Oh yeah, the disks are way faster.

Dan

Dan Ferris wrote:

> The last place I used this method had about 75GB necessary for 
> backup.  We backed up to 120 GB removable drives every night.  I used 
> Windows RoboCopy.  It worked very well until an idiot manager who 
> thought he was some kind of IT god started screwing with it and messed 
> the entire thing up.
>
> In my current environment we have 2 1.2 TB RAID arrays and I'm about 
> to add a third one.  I suppose if I really wanted to, I could get 
> something like an 8 channel SATA 3ware RAID controller and a bunch of 
> 400 GB drives and back up to that.  I wish our previous sys admin had 
> done that instead of the LTO library they bought, because it would 
> probably have been a LOT cheaper.  By the way, we use AMANDA.  The 
> best thing I can say about AMANDA is that it works.  Commercial backup 
> software is better.
>
> Dan
>
> billjorg at qwest.net wrote:
>
>> Dan:
>>
>> How much do you need to backup?
>>
>> I am aware of some very "sucessful" backup environments that use Amanda
>> with HP DAT tape decks. The amount of data and rotation of the tapes 
>> would
>> drive the type of hardware architecture. Unfortunately I have not used
>> Amanda personally, but I have had to support shops that do. It seems to
>> take very good care of their needs.
>>
>> HTH,
>>
>> Bill
>>
>> Original Message:
>> -----------------
>> From: Dan Ferris dan at usrsbin.com
>> Date: Fri, 20 May 2005 09:26:56 -0600
>> To: lug at lug.boulder.co.us
>> Subject: Re: [lug] Backup system ideas
>>
>>
>> In all seriousness, that particular solution only works for a 
>> somewhat SMALL amount of data.
>>
>> Dan
>>
>> Dan Ferris wrote:
>>
>>  
>>
>>> Ahhh, but on the 8th day the lord invented the removable hard drive 
>>> bay :-)
>>>
>>> Dan
>>>
>>> Hugh Brown wrote:
>>>
>>>   
>>>
>>>> The one great benefit of tape is that it is easy to take offsite.  
>>>> Anyone
>>>> know whether data decays faster on tape or on disk?
>>>>
>>>> Hugh
>>>>
>>>> On Thu, 19 May 2005, Dan Ferris wrote:
>>>>
>>>>
>>>>
>>>>     
>>>>
>>>>> Another vote for rsync and disk drives.  Tape is my weapon of last 
>>>>> resort.
>>>>>
>>>>> Mike Stanczyk wrote:
>>>>>
>>>>>  
>>>>>
>>>>>       
>>>>>
>>>>>> Since the suggestions every submitted were so great the last time
>>>>>> (pdf creation), I'd like your suggestions and horror stories about
>>>>>> backup systems.
>>>>>>
>>>>>> The problem:
>>>>>> The NT4sp6 server's Travan tape drive is dying.  I've scavanged
>>>>>> enough old hardware to build a backup machine.  The backup machine
>>>>>> will run linux on an internal ide drive with an external scsi
>>>>>> drive to host backup files.  If a spare scsi tape drive of mine
>>>>>> checks out, that will go in as well.
>>>>>>
>>>>>> The software:
>>>>>> Amanda and Backula are on my research list.  Other suggestions?
>>>>>>
>>>>>> Other sillyness:
>>>>>> Windows XP, 2000, and 98 are around too.
>>>>>>
>>>>>> Thanks!
>>>>>> Mike
>>>>>> _______________________________________________
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>>>>>>
>>>>>>
>>>>>>
>>>>>>            
>>>>>
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>>>>>
>>>>>
>>>>>  
>>>>>       
>>>>
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>>>
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>>
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