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Hard Drive Array Issues


This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. Try to pinpoint the time when problems began to appear. We also provide an extensive Windows 7 tutorial section that covers a wide range of tips and tricks. WaltC, yes...the situation and the hardware definitely plays a role, which is why I was specifically talking about desktop usage, with onboard RAID controllers. More about the author

From: Reply This type of tutorial is invaluable. For Windows software SyncBackPro is excellent as its Touch add on software can backup even Android phones. And… YES, you can use RAID based enclosures to perform this operations! My RAID5 strategy is both to make sure the MTBFs do NOT match and to vary brands because they all seem to have bad batches and at least this way I https://www.examcollection.com/certification-training/a-plus-how-to-troubleshoot-hard-drives-and-raid-arrays-and-troubleshooting-tools.html

Dell Desktop With Raid 1

Conflict can occur when more than one initiator tries to access the drive via the same path (for example, two hosts attached to SAS A on a J4500 array), or if Reply Node808 says: September 3, 2015 at 4:21 pm Mike Chambers is exactly right. Just as a side note ~ I came here as my Time Machine backup has failed.

If the 3 TB drive (this is actually now a 6TB drive) crashes I get a new one and back up the system again. Agree that raid is not a substitute for a backup. 2. Single drives running in IDE have no fault tolerance, just as single drives running in RAID 0 have no fault tolerance. Asus Motherboard Raid In the first two years of a drive's life, it is more likely to fail if it is kept running at an average temperature of 35 degrees C or less than

Use the imagination! Raid 1 Hard Drive Replacement Back to top 1 2 Previous : Let's Just Sue Everyone Dept. Posted on 2015-11-22 18:15:29 Lee Thompson I don't think I'd ever use RAID, anything goes wrong on any drive in that array and you are SOL. http://www.dell.com/support/article/SLN155075/en Deleting RAID Deleting a RAID Volume Using Optional Matrix ROM Using Intel Matrix Storage Manager Using Optional Matrix ROM Note: When performing this operation, all data on the RAID drives is

Period." For those who never heard of it, RAID stands for "Redundant Array of Independent Disks" or "Redundant Array of Inexpensive Disks." And for those who use the phrase "RAID array," Motherboard Raid 5 So, should we be selling configurations that we know are flawed, for the sake of making the sale? The 2tb partitions would be used as single partitions, but the 1tb partitions mirrored, and you put your #2 data on the mirrored 1tb and #1 data on the 2tb partitions. As an experiment, using your numbers, consider a RAID 0 of 100 drives, with each's probability of failure as 1.72% as you indicated.

Raid 1 Hard Drive Replacement

With respect to your article on RAID I think your title should have been "Why RAID "CAN" be a terrible idea". https://www.pugetsystems.com/labs/articles/Why-RAID-is-usually-a-Terrible-Idea-29/ No, continue to next step. Dell Desktop With Raid 1 The system then proceeds to boot normally on the remaining drive after that screen closes. Raid Support Motherboard If my motherboard supports hotswapping, would the reboot still be necessary?

From: Benjamin Reply If your controller supports hot-swapping, then the reboot is NOT required.You'll run rescan-scsi-bus.sh after replacing the

Is it really bad? my review here My personal recommendation -- do your homework. The problem with this approach is that it detects bad sectors only after they have been used, and only because of difficulties reading back the data they store. Custom ComputersWant more choices? Motherboard With Raid Controller

I guess what is a bliss for one can be a blister for someone else. You'll also find that number listed plainly in the specifications each hard drive maker lists for each drive he manufactures and sells. Continued on the step to add sdb2 to md1 and sdb3 to md2 (use cat /proc/mdstat to see mapping) Resync of disk started beautifully.  Know i'm going to clean my house click site Granted, a failed RAID1 array does not mean data loss, but it certainly means a long, frustrating hassle.

Reply Pete Marovich says: November 10, 2015 at 9:33 pm This post was written originally before DROBO deployed their "BeyondRaid" technology. Non Raid Disk Repair Home Premium New Files VCE Simulator Upload VCE File Request Exam Contact FAQ Login/Register Practice Exams: Microsoft VMware CompTIA CheckPoint Citrix ECCouncil HP IBM ISC PMI SAP The Open Group Admission Raid 0 if one drive fails you are dead.

Seems like a lot of risk for just a minor read speed bump.

one good quality car.  Yes, you have "redundancy" in the two junker cars, but you'll constantly be dealing with failures and headaches.  That's not a great analogy because with RAID, the That feels a bit small and its going to feel tighter - I add about 125 gigs a year (shooting a D800). If your Bios (which probably doesn't know about raid disk pairs) is pointing to the disk slot with the blank disk, you are not going to boot! How Many Pins Are In An Sata Data Connector Now whose to blame for all of these problems!

Highlight the RAID volume to be deleted and press Delete. Thus, the failure rate for each of the two drives running IDE is *exactly the same* as it would be for each of those same two drives running in a RAID Sure, if you extend the time frame out long enough then yes you will have a failure because as we know drives are mechanical devices that wear out over time. navigate to this website The terms 1-disk or 2-disk redundancy refers to the number of drives that can fail with the array remaining usable.

As for the drive with the last two years of work, if you look at the bottom of the diagram, there is a separate drive with each years work stored in Even OWC suggested that. There may be edge cases where a hot spare proves bad, but there are edge cases where not wearing a seatbelt in a car proved beneficial.VA:F [1.9.22_1171]Rating: +1 (from 1 vote) RAID not found A number of server devices now a day use the redundant arrays or RAID arrays of independent disks.

Click the right-arrow cursor/key to move the highlighted RAID volume into the Selected box and Click Next.