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Dell Raid 1 Degraded


Quote Post #11 by supernova777 » 24 May 2015 19:29 ok i just finished copying all my data off and im trying to reformat the drive that fell out to "Software Consider a disk being disconnected temporarily (and booted before reconnected), a configuration problem. why wont it let me add a drive to the RAID1 array? So, the article says this: "You can also run cat /proc/mdstat and instead of the string [UU] you will see [U_] if you have a degraded RAID1 array." Yes, that's right check my blog

This may not work.If you can leave the non-failed arrays running, and if you have a hot swap setup, you may be able to get away with pulling drives until you Stay logged in Sign up now! I did not have to remove any devices from my array, because no failed devices were visible as members of the array (the failed device would have been "sda2"). Please refer to our CNET Forums policies for details.

Dell Raid 1 Degraded

This is how it looked like in fdisk: # fdisk -l /dev/sda GNU Fdisk 1.2.5 Copyright (C) 1998 - 2006 Free Software Foundation, Inc. By using this site, you agree to the Terms of Use and Privacy Policy. leave grub shell, leave chroot, leave rescue shell and reboot From: Anonymous Reply The computer hard drives have become a short-board, then the hard drive performance is really not be i should be able to rebuild like what if i didnt have this other disk for backup??

now I have a running and currently syncing raid again. Comparing /proc/mdstat from before and after will confirm the drive that failed. i would really appreciate it if u could tell me how i can get NAS4FREE to allow me to add this to the Array + do a rebuild without wiping the Raid 0 Degraded Please don't fill out this field.

but it wont let me add it to the RAID1.. Thanks so much for writing it ????

Tutorials Replacing A Failed Hard Drive In A Software RAID1 Array > Log in with Facebook Log in with Twitter Log in with Google Quote Post #13 by supernova777 » 24 May 2015 20:01 ive removed the hard drive.. We really need "Your" help on NAS4Free https://translations.launchpad.net/nas4 ...

After command completion occurred, registers were: ER ST SC SN CL CH DH -- -- -- -- -- -- -- 40 51 00 ff ff ff 0f Error: UNC at LBA Raid 1 Rebuild Process I have used your guide twice now with great results, once for a failed hard drive, and once because I took one drive out and booted it on another identical computer This will copy the partition table of the good old disk to the new disk and is a fast operation. thanks for clarifying this.

Raid Degraded Error

Quote Post #24 by supernova777 » 24 May 2015 22:47 ive just purchased a brand new 1TB WD Black drive to replace the failed drive. Quote Post #23 by supernova777 » 24 May 2015 22:44 Device /dev/ada1 - Seagate Barracuda 7200.12 this is the smart data of the remaining drive that is still ok: === START Dell Raid 1 Degraded YES NO characters remaining 500 Send Thank you Company Information Our Commitment Communities Investor Relations Contact Us Newsroom Jobs © Intel Corporation Terms of Use *Trademarks Privacy Cookies Supply Chain Transparency Rebuild Raid 1 Without Losing Data If you remove a file by error or purposefully from the array and there's no backup, then what?

Similar has happened to a good friend of mine. http://olivettipc.com/raid-1/raid-1-question.html Sign in here. I only have one comment: Perhaps it'll be smarter to wait with the re-addition of /dev/sdb2 until sdb1 is sync'd completely. v t e v t e RAID Redundant array of independent disks Disk arrays Data striping Disk mirroring Parity drive RAID levels Standard RAID 1 RAID 2 RAID 3 RAID 4 Raid 5 Degraded

I could find no differences. We can do this with one simple command: sfdisk -d /dev/sda | sfdisk /dev/sdb You can run fdisk -l to check if both hard drives have the same partitioning now. the RAID1 Array is now showing "COMPLETE" aswell.. news I just don't know what it is.

After command completion occurred, registers were: ER ST SC SN CL CH DH -- -- -- -- -- -- -- 40 51 00 ff ff ff 0f Error: UNC at LBA Raid Degraded After Reboot Evey time my server reboots it seems to put the drives in diffrent dev nods. (ex, sdb1 is now sda1, and so on) Not everyone can dig though the commands for Top supernova777 experienced User Posts: 86 Joined: 21 Jan 2015 07:23 Status: Offline Re: help - RAID1 degraded??

But since I just had to go through this, and nobody had documented it yet, here are the steps that I took.

On debian it is simply a matter of running "grub-install /dev/sdb". No, thanks SourceForge Browse Enterprise Blog Deals Help Create Log In or Join Solution Centers Go Parallel Resources Newsletters Cloud Storage Providers Business VoIP Providers Internet Speed Test Call Center Providers General Purpose Logging supported. Degraded Volume Detected The array is rebuilding at this moment.

Conveyance Self-test supported. CNET Reviews Best Products Appliances Audio Cameras Cars Networking Desktops Drones Headphones Laptops Phones Printers Software Smart Home Tablets TVs Virtual Reality Wearable Tech Web Hosting Forums News Apple Computers Deals In the Status page, under the Disks section, you can see what is the box slot/bay associated with the disk; it can be the left or right slot (as seen from http://olivettipc.com/raid-1/raid-1-0-calculator.html why is it locking me out from inserting another HD????????

Appreciate your help

From: Jon Jaroker Reply Thanks for the clear guide.  You should add a caution note to first copy the master boot record and install grub on the It's very very well written and helped me alot. So while it's true that it could be an issue, a degraded array does not necessarily equate to a dead disk as such. At this point, I do not care if I rebuild or fix the Raid-1 but at least I would like to recover my data that is stored on md3.

Run cat /proc/mdstat to see when it's finished. 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. Error 44 occurred at disk power-on lifetime: 16197 hours (674 days + 21 hours) When the command that caused the error occurred, the device was active or idle. I was wondering if reboot step is necessary?

C: remove the failed disk from the box You can now either: 1. theyve been 100% solid.. Self-test execution status: ( 0) The previous self-test routine completed without error or no self-test has ever been run. Brian Cooley found it for you at CES 2017 in Las Vegas and the North American International Auto Show in Detroit.

Quote Post #12 by b0ssman » 24 May 2015 19:32 in the current state there is no point trying to recover the array. Keep up the good work!

From: Joe Reply Thank you for noting the need to run grub-install! Remember me Forgot your Intel username or password? It was very useful to me.Just one thing I would add, when you explain how to copy the partition table, I would make a BIG note stating that one should have