[nflug] backups on an nfs server ..on and on

[eric]

It definitely makes sense.

Mark Musone wrote:

>As richard said...
>
>We don't use tapes at work, and for good reasons. Disks are four times as fast as tapes, 1/2 the cost,
>and twice as reliable. Not to mention, they are extremely portable and cross platform (try stickig a tape into
>just about any machine...and ever more important, even if you happen to find an extra tape drive, try actually getting
>the tape to read sucessfully). not to mention having random access to disk data makes restores actually feasable.
>
>
>Tapes are OK for archiving. For backups, they've definitely outlasted their usable lifespan.
>
>We treat disks _just_ _like_ tapes. Every action you do with tapes, we do the same thing with a hot-swap backup drive.
>A lot of people sit there and say "oh, well how do you do _this_ with a disk, that we do with tapes..." We do the same thing with disks. All we do is replace the media, the backmup software, processes, procedures..etc..all remain the same.
>
>-Mark
>
>
>On Wed, Aug 09, 2006 at 06:00:58AM -0700, Richard Hubbard wrote:
>  
>
>>Big question... why tape?  It's slow, amazingly unreliable, and very expensive.
>>
>>Consider these tape drives (no tapes... just the drives)
>>http://www.tigerdirect.com/Applications/Category/category_slc.asp?CatId=291
>>
>>Now consider these combinations
>>First a  hard drive, for about the cost of a tape (not the tape drive, just the tape)
>>
>>http://www.tigerdirect.com/applications/Category/category_tlc.asp?CatId=8
>>
>>next, an external enclosure...
>>http://www.tigerdirect.com/applications/category/category_slc.asp?Recs=10&Nav=|c:1204|c:2213|&Sort=0
>>
>>so you could get a bunch of external, "usb"  hard drives (which is also automatically recognized by most distributions of linux) that is fast, inexpensive, and actually more reliable than tape. 
>>If you are worried about damage due to dropping, etc. Tape cartridges are just as vulnerable as hard drives, and since the medium in a tape cartridge is exposed to open air, is more susceptible to just dying of old age.
>>
>>----- Original Message ----
>>From: eric <eric at bootz.us>
>>To: nflug at nflug.org
>>Sent: Wednesday, August 9, 2006 8:23:06 AM
>>Subject: Re: [nflug] backups on an nfs server ..on and on
>>
>>I'm going to have to find an external scsi tape drive that is comaptible
>>with linux, the one that I was using with what used to be a win2000
>>server seems to be only semi compatible with linux it is an external
>>scsi Dell PowerVault 110t
>>
>>I am able to rewind the tape but cannot write to it, I think Cyber was
>>having the same kind of problem with an LTO??
>>
>>
>>Robert Wolfe wrote:
>>
>>    
>>
>>>On Tue, 8 Aug 2006, eric wrote:
>>>
>>>      
>>>
>>>>Cool, my server works great and it's really easy to recover files
>>>>....then I discover that my home dir is 60 gb and my network server has
>>>>only 170 gb of space, definitly not enough room for a mon-fri bkup.
>>>>
>>>>Isn't their a way (through tar) to delta files like in SCCS? Is it
>>>>called increment?
>>>>        
>>>>
>>>You could do a backup with tar and then burn the resulting tar file to
>>>a DVD-ROM.  But to save space and store more data, you may want to
>>>gzip the tar file after it is created.
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>>>
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