Raid 1 Recovery And Dead Motherboard
Though it's hard for some (if not many) to admit that they've blown money on a solution which just isn't close to delivering on its promises. solved Recovery of data from RAID 5 after NAS mobo dies? My system was originally setup with two identical Segate 1TB drives and partitioned as follow: /dev/md0 /boot Raid-1/dev/md2/ / Raid-1/dev/md3/ To make a vast simplification of the issue, there are two main factors in disk performance: access time, and throughput. his comment is here
So, the worst case is - when you separate two drives from RAID 1, if one drive fails, and the other disk plugged to the new mobo got modified the RAID It doesn't mean your particular disk will have 3 failures in a 100 days period. If you've done this, then the only real concern about loosing a motherboard is the downtime to replace and restore. So is RAID concept.
Motherboard With Raid Controller
It doesn't matter what controller you use, Raid 1 is just two drives that appear as one (to the os)Striping raid arrays are a different matter where you need to ensure I would then build a new raid array from scratch and move the data back to it. The correct methodology for a network such as this is to take the complement of the product of the complements of the probability of failure. OK, so what is the difference between the two systems?
During this event (and after buying two drives), I realized that Windows Backup backs up your entire system, including all installed programs. Posted on 2007-02-12 11:02:26 raohara I am not sure the simple addition of failure rates is the right approach to this problem. This guide made good sense and I was able to proceed confident I understood what I was doing. Motherboard Raid 5 Neither of these damaged hard drives ever even left our facilities, obviously.
When I weigh that against the benefits of RAID, I just can't recommend it except in very select cases. Raid Support Motherboard Intel Matrix Manager does list them as 2 separate drives now though. And I THINK my options are:Buy a replacement for my motherboard, swap everything in, re add the raid. That's not a RAID issue, but lots of server admins will keep at least one spare drive on site; some even keep them in a "warm state" ready to swap in
RAID for your applications (which I also have setup) was really a bit of a desappointment to me. Motherboard Raid 1 Probability becomes certain only for high quantities.Jon Bach got 3% failure rates on 300 or more disks sold. asked 6 years ago viewed 7975 times active 6 years ago Blog Stack Overflow Podcast #101 - Matt Mullenweg on Open Source, Blogs, and Beyoncé Related 0Multiple RAID arrays in x3463Can use cat /proc/mdstat to se that md1 was on sda2 and md2 was on sda3 3.
Raid Support Motherboard
So what are some of these software that might work? Yes, you have "redundancy" in the two junker cars, but you'll constantly be dealing with failures and headaches. Motherboard With Raid Controller The thing that most people do not understand in general is that two drives running as normal IDE drives are still the identical drives when configured under RAID 0. Asus Motherboard Raid Hope that helps From: Kris Reply This is a great guide but unfortunately, I could not apply it to my failed Raid-1situation.
Are you booting off of this RAID 0? this content There's other possibilities. Can we build a world in 1,000 years? About Valve | Business Solutions | Steamworks | Source Engine | Cyber Cafés | Jobs © 2014 Valve Corporation. Dell Desktop With Raid 1
We're in a small office of about 3-5 people and it suits our needs, but it could just as easily be my home server hosting my library of movies etc, and Posted on 2008-06-01 18:23:20 dwight I agree. Windows only lists the 298 gigs (not sure which drive), File Scavenger still lists two separate, one 596 gigs (size of the entire array, at Drive 0) and the second one weblink Thanks again.From: ObiDrunk Reply first, ty, this its a very complete tutorial, cost a lot find info like this on the web.
Disaster averted!From: Mark Copper Reply Worked for me, too. How Many Pins Are In An Sata Data Connector My GigaRAID will not be the same. Although there is nothing vital, there are things that exist solely on these drives. 2x1TB backup in mirror - absolutely must retrieve this.
But after reading this thread http://www.tomshardware.com/forum/246197-32-raid-what-know-worth-newbie-hereI have decided against RAID 5, just encase something happens to my motherboard or I am unable to rebuild a failed drive. (I am looking at
I'm sure the cost of your service calls means you want things to work all the time, the flip side is, instead of telling your clients why one thing or another Does anyone know if this later version of the RAID controller would be able to recognise the RAID built on the previous controller version? Join the folding_monkeys [email protected] subteam. Raid Motherboard PeakHPC workstations and servers.
That's not how statistics works :) If you personally have hard drives that don't fail, it means that someone else has twice as many that fail. I will get into that later, but I need to start by saying that I am not talking about enterprise servers. Would the drives then have to be reformatted to be used (since some data could be broken into parts with some on one drive, some on the other)? http://robotadv.com/raid-1/raid-1.html Unfortunately with SATA it's not always easy to determine which drive is the faulty one.
Then I would redo a new raid on the new system. Just because a drive has a 1.72% chance of failure doesn't mean with 2 drives you have a 3.44% chance of having a drive failure. Pulling the wrong one with a degraded array will probably cause your computer to lock up.If you can shut down your computer, you can disconnect the SATA cables one by one I understand that the pair would probably not be usable as is with a new controller, but I hope that each individual drive could be used.
If anything, I think that drives today are just made a lot better than they were a decade ago, and they just last a lot longer, too--and of course, whether I'm ThanksFrom: mike Reply hello,it is great,but will theMBR also been copy to the new hd ? I've done a lot of work with RAID, but as a data center administrator the strategy that's always saved me has always been to mistrust everything and be really anal about Thanks! 2 - In my case, when I shut down, removed the failing drive (and did the above mapping and labelling!), and then rebooted - the removes had been done for
Learn to code with Treehouse and get a job you love. That's not a great analogy because with RAID, the quality of the disks isn't the variable factor, but I can't think of a better analogy at the moment :) With desktop On the other hand, my HD editing setup (which is probably running at the bare minimum required) has an awesome performance boost when raiding. Were the Space Shuttle's Main Engines ever off while the Solid Rocket Boosters were firing?
Youngbead, exactly....for gaming there are a lot of other things in line for your money before you should consider RAID. My dev/sdb is going bad so I need to replace it. One of them is starting to fail. You still must backup your data really no matter what RAID setup you use because things like this do happen.
Search User Find More Posts by |chr!s| Find Threads by |chr!s| 04-06-2013, 05:45 AM #9 Washell Join Date: Oct 2009 Reputation: 9510 Posts: 8,935 Quote: Originally Posted by Don't want to create it by hand ;)From: Reply Hi, If you look at this tutorial, which is newer, you can you the "--force" switch: http://www.howtoforge.com/how-to-set-up-software-raid1-on-a-running-system-incl-grub2-configuration-ubuntu-10.04-p4 sfdisk -d /dev/sda Just have to get a way for both sides of the mirror to show. Jon, I don't think your math is correct here.
Posted on 2007-02-06 18:15:50 WaltC Hello Jon!