I tried it already and it didn't work. Thanks though.c.joe wrote:Have you tried a simple system restore? Sometimes that can do wonders.
This is the bad news right here. You say the raid controller is still seeing the drives, so maybe two of the drives aren't bad.cgjones wrote:I've never worked with a RAID 5 array, but I did a fair amount of research for a mail server I setup. If I remember correctly, RAID 5 can only tolerate losing 1 drive in the array.
One drive fails, no problem. Replace it and it will rebuild.cgjones wrote:I've never worked with a RAID 5 array, but I did a fair amount of research for a mail server I setup. If I remember correctly, RAID 5 can only tolerate losing 1 drive in the array.
From Jack, Is you array set up in the BIOS or the OS? I used the BIOS level since it is created prior to the OS.jabba359 wrote:I make a weekly backup of my boot/OS/application drive, so when the array failed I reverted back to an image of the previous week's drive. That didn't fix anything. If I understand how a RAID array functions, however, when drives are dropped out of the array, the computer marks them so that they don't automatically join back in the array. The only way to get them join in is to reformat the array and add them in (losing all data).
NOT TRUE!!! Do not re-insert a bad drive back into the array. That will destroy data. A bad drive needs to be replaced. If only one drive fails the drive array will still work. On your server, are the drives hot swap (can you install one with the PC still running)? If they are there may be LEDs on the face of the drive indicating it's condition with different colors. Replace the bad drive with a new on and it will rebuild back into the array.
I've gotten some demo software that creates a virtual software RAID, and it looks like most of my information is intact. They want $180 for it, so I was looking for other possible solutions.
FROM JACK Never heard of this but that doesn't mean it won't work. I've just never heard of it.
I had thought a RAID 5 would keep things like this from happening, as I've never had a hard drive fail and the chances of two drives going bad at the exact same time are astronomically slim. Guess I didn't account for software errors taking the drives offline. Lesson learned. Even if I have a redundant system, back it up anyway!
Hot spare would have saved you but you would have had to sell a lot of knives or never buy another one.TooSharp wrote:Same as what everyone else says here. If two go down, your hosed, unless you had another drive acting as a hot swap, which you probably don't or your RAID would still be working.
Data loss sucks bad, sorry to hear your having problems.
You might want to try running mdadm from a Linux live CD (Knoppix, Ubuntu, etc). This might accomplish the same thing as the trial software, without the cost.jabba359 wrote:The drives didn't fail as far as I can tell, as I can set up a software RAID (using the free demos of RAID recovery software I mentioned) and my files are still intact. I can preview the files, but can't extract them unless I pony up the $180-700 for the full version of the software, which I may end up having to do if there aren't any other solutions. Just thought I'd see if anyone smarter than me in this area had any suggestions.
Ah, thanks for the link! My BIOS got reset the day before, giving me the same error as them. Strange that everything ran fine for another day before I got the error. R-Studio is one of the programs I'm trying out.cgjones wrote:You might want to try running mdadm from a Linux live CD (Knoppix, Ubuntu, etc). This might accomplish the same thing as the trial software, without the cost.
On a side note, while doing some research, I came across this article. It sounds much like the issue you are having.
Glad you got your data back because that's the main thing. Spending money on redundancy (your RAID setup and backups) is like spending money on auto insurance. You hope you never need it but are glad when it's there if you do. If you mess with computers a lot it's not a question of if you will need your backups but when will you need them.jabba359 wrote:Thanks for all the suggestions guys! I ended up paying the $80 for a program called ReclaiMe that recovered all of my files (only took a few hours) and dumped to an external hard drive (only another 14 hours). Currently reinitializing my RAID array (it takes quite a while to initialize a 3TB array) and then will dump everything from the external hard drive back to the array (probably another 14 hour process...). Then off to purchase a 2 or 3TB USB 3 external drive for making consistent backups. USB 2 is just way too slow for all these huge video files.
Backup! Backup! Backup! Lesson learned. That's $80 that could have gone toward another .
Sorry about your woes, but the price of that lesson could've been a lot steeper.jabba359 wrote:" …
Backup! Backup! Backup! Lesson learned. That's $80 that could have gone toward another ."
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