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Raid 1 Hard Drive Failure

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It gave me the pause I needed to do some research first! All drives are Western Digital. For crashed volumes, we recommend contacting our Technical Support for assistance. In terms of statistics, if we're going to talk numbers, let's do them right. check my blog

Those are the only two real justifications for raid. I know that it is suppose to be at the same size right? So while it's true that it could be an issue, a degraded array does not necessarily equate to a dead disk as such. can i reboot while the sync its on?, ty

From: Roger K.

Raid 1 Hard Drive Failure

Therefore, in times where you are working with transferring or copying very large files, RAID0 can make sense. User cares about data safety? You say one isn't much difference at all, but on the other it's a huge difference. However, I do have a background in engineering, and it appears to me that you've both left out an important component.

Both hard drives would need to be repartitioned and formatted. Is it only a scsi control card and not a raid card? The software does not know if a file is corrupt, it is all 0's and 1's and they all get copied. Mdadm Replace Failed Drive Raid 5 I'm now running on the other hard drive with data intact.

and a third off site if I follow-thru w/ the Reply Pete Marovich says: March 24, 2015 at 7:27 pm RAID software instantly mirrors one drive to the other in the When it comes to casual talk about RAID equipment in general, "RAID-5" is a very common expression. Newer Than: Search this thread only Search this forum only Display results as threads Useful Searches Recent Posts More... They are solid and after so long, I am very comfortable with them.

Posted on 2015-11-22 18:16:35 Mike Came upon this in my research and I feel I should correct this even though it is quite late. Mdadm Rebuild Raid 1 I'd be happy to consider adding it to this article. Related Articles Qualification: LSI 9341-8i & 9361-8i RAID Controllers RAID Explained Product Roundup: Intel/LSI RAID cards Tagged RAID Storage Subscribe Is there still a chance of data loss? "No and Yes" But hopefully I've minimized as much as I can in this price range... :) On my workstations/gaming box, I don't I thought it was interesting that this article refers to the motherboard RAID controller as "software" RAID; if that's the case then Windows RAID should be just as good.

Rebuild Raid 1 Without Losing Data

My dev/sdb is going bad so I need to replace it. Posted on 2012-10-13 10:06:48 Jon Bach Statistics is NOT only true for high number of experiences! Raid 1 Hard Drive Failure My workstation has a single RAID 5 array consisting of three 2TB SAS drives plus one hot spare. How To Rebuild Raid 1 solved RAID 1 Data Confirmation on 2nd hard drive Replacing failed drive in RAID 1 array solved What is the best, most reliable hard drive for raid 1.

Thanks! http://olivettipc.com/raid-1/read-raid-1-drive-without-controller.html Obtain an RMA to get the replacement hard drive.Wester Digital's website provides a link to begin the RMA process to exchange the drive. How do you make sure projects stay complete and together when it backs up and updates files? But for mission critical work, you should have 2 local copies and an off site solution. Mdadm Replace Failed Drive

The drives themselves do not know about any differences between RAID and IDE, and they do not behave any differently at all when running as IDE instead of RAID 0, or That was fine, but we really should have used dual drives configured for Raid 1. A degraded volume or disk group can be fixed by replacing the failed hard drive with a healthy one and repairing the volume or disk group. news The other time when RAID can make sense is if you need an extremely large volume of space.

See the GNU General Public License for more details. Rebuild Raid 1 After Drive Failure Any thoughts? Click the right-arrow cursor/key to move the highlighted RAID volume into the Selected box and Click Next.

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I think the issue boils down to the quality of the RAID controller--which is exactly what I mean when I say that the efficacy of a RAID setup is greatly dependent Yes, you have "redundancy" in the two junker cars, but you'll constantly be dealing with failures and headaches. Posted on 2007-02-13 10:10:27 PCC- Builder Dan From a purely technical perspective, as the numbers of drives both sold and failed are finite, yes, having one drive fail does reduce the Mdadm Add Drive To Raid 5 All Rights Reserved Tom's Hardware Guide ™ Ad choices Products Learn & Develop Support USA (English) Sign In Sign In Field input is required Field input is required By signing in,

Job done Reply Paul says: July 25, 2015 at 11:06 pm Very helpful info - thanks. But not parity. Go to Overview and click the link marked Repair. More about the author Comparing /proc/mdstat from before and after will confirm the drive that failed.

Proper backup software will perform a full backup and then hourly or daily backups of changed files. Thoughts?? Reply John says: May 18, 2016 at 9:47 pm Still don't get why RAID can't be used for backup. Since it is not a black and white failure issue, I do not have hard data.

On the topic of RAID 0 in the context of gaming, I understand that the benefits are almost nil with hard disks because of the seek time. The only problem with RAID 1 is the misconception that it provides protection against deletion of files, trojans, viruses ets, but in the end it always come back to creating an Back it up to a NAS or USB thumbdrive. Advertisement Recent Posts Make Four Words cwwozniak replied Feb 22, 2017 at 1:49 PM Which Monitor is Better for Gaming?

Well written! The List Here is the list of general "Do's" and "Don'ts" you need to know if you are using RAID-5 for data storage. Surge protectors offer little to no protection. RAID Failed RAID 0 Failed If a RAID 0 Stripe volume fails you will get the error message shown below.

And if I try do so, can´t it be set as RAID 0 later if I will then try to start the bad disc again? but to speak about drives distinctly as one unit of all the units in a warehouse...WAITA. An individual won't last that long, they will wear out long before then (unless they are Doctor Who), but for the population as a whole, in that '˜high reliability' portion of Bought a exact identical drive 2.

SerenityEnjoy the silence in your studio, lab, home or office. Advertisement hamthis Thread Starter Joined: Jan 8, 2011 Messages: 12 I have a raid 1 setup in my server running 2003 and I can not get the new hard drive to