Disk disaster! Recommendations for the future!
I should have seen it coming when I CDed into my notes/tutorials directory on my data drive and saw the slackware subdirectory being displayed as A FILE!!!
I stupidly rebooted to find that my data hard drive is corrupted and can't be mounted any more. It's a big SATA drive (500GB) so I didn't have anywhere to dd it to. I've been running fsck -y for the last 48 hours hoping that I'll recover some of the files. I don't know how much longer it'll take. Now I'd like some recommendations: 1. Which hard drives are most reliable? I'm going to get 2 new ones and set up RAID1. AFAIR, my motherboard lets me do it in BIOS. 2. I've just come across archival grade DVDs. What to look for when buying them? Any recommendations? Which speed of burning is recommended? How to store them? 3. Any other backup medium recommended? Thank you |
Quote:
Quote:
RAID on a motherboard will almost certainly be fake RAID. That means that it will have drivers like software RAID. Whether the drivers are proprietary or generic dm-raid Linux drivers you will have to compile them into the initrd and kernel every time you upgrade the kernel. I guarantee that one day you will upgrade the kernel and forget to recompile with the dm-raid drivers. That will be the day that you need your computer to work right away and you will regret using fake or software RAID. I think RAID is more trouble than it is worth except in very limited circumstances (stock exchange, airline reservations, space station life support). Quote:
Quote:
|
Thanks
Quote:
I agree probably the most convenient solution would be an external hardrive (ideally two of them). I've got an external drive enclosure that has RAID functions. That would be even better. I wouldn't have to do it on my computer and worry about upgrades. I've been browsing some online shops and come across 'data cartridges' - what are they? For example: http://www.ebuyer.com/product/90079 Have they anything to do with data tapes? Are the cartridges more reliable than HDs? |
Quote:
Quote:
|
Quote:
Quote:
|
Quote:
|
Too expensive.
It'll be external hard drives then. |
Quote:
...which may be sad, as some of those questions are easier to answer than others. Here is an article that you ought to read, although it is mostly a summarisation/popularisation of an article here (Disk Failures in the Real World, Schroeder and Gibson). More on to your point, i did once read a summary of some Russian data which suggested that there was a real difference between brands, but I can't now find that. Hitachi did well, but, bear in mind:
And probably 'enterprise' or 'raid-spec' disk drives are worth the extra, if you care about your data (and, I'm assuming that you do). There is also this, but google goes out of their way not to mention brands. |
Quote:
2) Taiyo Yuden, burn lowest speed, store in dry conditions away from light. 3) I recommend DVDs. |
Quote:
I don't know what to ask as I have never dealt with backup solutions. |
Quote:
|
I used to backup to RW DVDs (using dar to create on-disk archives and par2 to create error detection and correction files, odd-numbered days on-site and even numbered off-site) but there were 3 issues:
I now backup to USB HDDs (using Bacula to create on-disk archives and rsync to replicate Bacula and other key recovery files to USB HDD. 3 HDDs in backup set; one always off-site). This is a much more convenient solution. Both solutions required a lot of time to develop, configure and test. |
Quote:
http://club.myce.com/f33/taiyo-yuden-faq-178622/ That's how I found out about these disks. They say they are better than gold foil disks (but are probably about the same quality only cheaper). P.S. When I say DVDs I mean DVD-R or DVD+R, NOT anything rewriteable because these media are not designed for backup and are unreliable. |
I was still looking for some info that I have seen before. Didn't find what I was looking for, but this might be interesting.
|
Quote:
|
All times are GMT -5. The time now is 08:31 PM. |