| How often do you back up your work? |
| never |
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16% |
[ 2 ] |
| every year or so |
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33% |
[ 4 ] |
| every month |
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25% |
[ 3 ] |
| i use some form of imediate back up like raid or storing in two places |
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25% |
[ 3 ] |
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| Total Votes : 12 |
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Silas Rye
Registered User
Joined: 27 Apr 2004
Location: South Carolina, USA
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 Posted: Sat Jan 21 2006 23:45
Data backup and data loss |
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Ok guys, im looking for some possible tips, and some general ideas.
Ive just invested in a 4 X 300 GB raid 5 array(=900GB). with drives, and a new case and powersupply, and a second hand raid card it cost me about $600-$700, quite alot considering my computer is an amd xp1700+.
Now here is why I did it.
1. I have a huge MP3 project going, and was running out of room, and therefore, my ripping process was hindered.
2. I am lazy and dont back up my stuff to DVD very often. At one point this led to the loss of all music i produced in a prolific 6 month period due to bad hard drive. This hard drive is not even recognized by the bios. I have saved it and planned to one day pay the $1000+ required to get that data back. but i just recently purchased an identical working harddrive and am going to switch the circuit boards to see if that helps, as far as transplanting discs that seems tricky. Anyone ever done that?
3. I just recently read on /. that writable media only lasts about 5 years tops. So that actually isn't to great a back up anyway. Infact im now loading my backup discs on to the drive, and a few files on each disc wont read, and the ones that do are very slow and getting multiple passes. Looks like im just in time to save most of that stuff.
Anyways i thought id bring this up, as it may inspire you to back up your drives at least.
Once i accidently deleted a partition and used a file recovery, some of my MT2 files actually got chip/grunge remixed, kind of neat. |
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Sunbuster
Registered User
Joined: 05 May 2003
Location: Finland
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Posted: Sun Jan 22 2006 00:42
Re: Data backup and data loss |
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| Silas Rye wrote: |
... but i just recently purchased an identical working harddrive and am going to switch the circuit boards to see if that helps, as far as transplanting discs that seems tricky. Anyone ever done that?
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Sounds risky, but HDD's are relatively cheap compared to the $1000+ you'd pay for pro recovery, so I guess it might be worth the risk to try and switch the circuits. I'd do some extensive research on modder forums before attempting this though (those guys have probably cracked up a HDD at some point in their career and should be able to tell you what to look out for).
| Silas Rye wrote: |
3. I just recently read on /. that writable media only lasts about 5 years tops.
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How long discs (CD-R, DVD-R etc.) last in storage depends a lot on how you store them and what material the disc is made of. Here's some interesting reading on the subject:
http://www.delkin.com/pdf/user_guides/archivalgold_whitepaper.pdf
http://www.osta.org/technology/cdqa.htm |
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Powerdown
Registered User
Joined: 01 Feb 2004
Location: Kampuhhh The Netherlands
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Posted: Sun Jan 22 2006 12:27
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A few weeks ago, I accidently deleted all my work in an attempt to order my VST's. Well I can say it is a good way to raise your heartbeat to about 300 in a matter of seconds. But I searched the internet, and found a program for recovering lost data.
Finaly I got all my music back, and I have this program installed for the case something goes wrong again.
I can recommend this to everyone, because if you forget to backup your data, and something will go wrong, there is a big change that you didn't lose your data and you can recover it.
Nevertheless you should back up your stuff every once in a while. (Personaly I forget to do this)
Powerdown |
Where the sun blows, Hardcore goes.
So spoke the wise man. |
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D Vibe
Registered User
Joined: 04 May 2003
Location: Sweden
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Posted: Sun Jan 22 2006 13:24
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Actually I can't choose any of the existing gallup choises, because I backup when I feel I need to; like when I'm working on a new project.
For example my MT2 tune for the compo was backuped almost every day I've changed or added anything.
I always backup on CD-R/CD-RW or DVD-R/DVD-RW .. |
https://www.dvibe.se |
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Yannick
MadTracker Author
Joined: 16 Apr 2003
Location: Belgium
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Posted: Sun Jan 22 2006 13:30
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I use a RAID-1 (mirroring) on both my workstation and the MT.org server.
On my workstation, I do some RAR-based backups of the MT source regularily (when I make important updates) and then I upload them to my server (in a safe place  ). I do the same for a couple of other stuff I'm working on.
And on the server, I made some scripts that automate a backup every week (also RAR-based) and prepares some ISO file I can download and burn.  (I already have 10 CDs with your MT.net hosting files  )
While a RAID is very comfortable, making backups on CD/DVD is still pretty much required. I would hate to loose everything if my 2 HDD would fail at the same time or if my PC exploded for some reason.  (Or simply because of human error - which already happened to me years ago.  )
Yannick |
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Inge
Man-At-Arms
Joined: 04 May 2003
Location: Nieuw Lekkerland @ Holland
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Posted: Sun Jan 22 2006 14:34
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Switching circuit boards is possible. I've heard about it back in the days that I worked at tech support, and it should be fairly okay if you have two *identical* drives. I don't exactly know *how* identical these two must be, so do some pretty hardcore research (as Sunbuster already suggested).
I also wrote an article for my work about this /.-article. Five years isn't tops; it's more an estimation. Nevertheless, cd's/dvd's are much prone to mutilate data or make it inaccessible. As you already read, using tapes is the safest way to go.
I'm not much fond of raid configurations, but that's because I heard about a lot of problems (but that's always the way if you work at a helpdesk, otherwise they wouldn't be calling) with main board built-in raid controllers and raid-0 arrays that suddenly forgot that they were in a raid-0 config and lost all information. PCI-based raid-1 (or 5; pretty hardcore) should be pretty safe concerning saving and maintaining raid configurations and the data of interest. The main advantage of raid-1 ofcourse is that you don't have to remember to make backups.
As for myself, I simply never make backups, but always remember myself that I should. I'll cry for days if my hdd would fail, mainly because I've been too lazy not to make backups. |
Care for a game of Monopoly? |
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Yannick
MadTracker Author
Joined: 16 Apr 2003
Location: Belgium
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Posted: Sun Jan 22 2006 15:05
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I use pure hardware RAID (3ware stuff). It works like a charm. It even supports hot-swap if you put some money on external bays. And you're alerted as soon as something goes wrong on one drive.
| Inge wrote: |
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The main advantage of raid-1 ofcourse is that you don't have to remember to make backups.
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Well, as I said, RAID not human-error-proof though. If you delete a file, or if it gets infected by some virus; the RAID won't help in such cases.
| Inge wrote: |
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As you already read, using tapes is the safest way to go.
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Hmm... I thought that CD and DVD were much safer than any magnetic support regarding data integrity with the passing of the time. As far as I've been told (and common sense seems to say the same), magnetic support are very unreliable.
Where's that /. article? It may enlighten me on that issue...
Yannick |
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Inge
Man-At-Arms
Joined: 04 May 2003
Location: Nieuw Lekkerland @ Holland
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Yannick
MadTracker Author
Joined: 16 Apr 2003
Location: Belgium
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Posted: Sun Jan 22 2006 15:13
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Alright. I see now.
*Starts to print the wole MT3 source*
Paper still owns I guess. 
Yannick |
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Inge
Man-At-Arms
Joined: 04 May 2003
Location: Nieuw Lekkerland @ Holland
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PyroZane
Registered User
Joined: 30 Sep 2003
Location: Trondheim - Norway
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Posted: Mon Jan 23 2006 03:29
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You can also use 2 computers in a network, and place the backup computer in a firesafe and lockable location. This is mainly done to prevent the firestarter "Inge" to destroy your work (He knows where you all live, and he has already been on a rampage through scadinavia) *smile* |
http://pyrozane.madtracker.net/ |
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Inge
Man-At-Arms
Joined: 04 May 2003
Location: Nieuw Lekkerland @ Holland
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Franklin van Uden
Registered User
Joined: 26 Apr 2005
Location: The Netherlands
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Posted: Mon Jan 23 2006 10:14
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two words:
Archive and I.L.M.
and ofcorz un-lazyness  |
Music ... is endless ... Work in progress ...
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SoulEye
Beta-Tester
Joined: 31 Jan 2004
Location: Helsingborg, Sweden!
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Posted: Mon Jan 23 2006 17:18
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| Silas Rye wrote: |
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Once i accidently deleted a partition and some of my MT2 files actually got chip/grunge remixed, kind of neat.
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*cough* any good stuff? =)
| Franklin van Uden wrote: |
two words:
Archive and I.L.M.
and ofcorz un-lazyness
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I count 6 words! |
http://www.souleye.se |
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Silas Rye
Registered User
Joined: 27 Apr 2004
Location: South Carolina, USA
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Posted: Tue Jan 24 2006 00:15
3ware |
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Im glad to here you like your 3ware Yannick. I got myself a 3ware escalade, and hearing your support of 3ware makes me feel pretty good about it. As far as human error, i think ive messed up enough times that i wont err again. Off course I have considered the possiblity of virus. Im just going to hope this is all enough untill a larger format writeable than DVD comes out and is affordable.
Franklin, what is I.L.M. ? |
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