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RAID 1 Rebuild


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 I should look at the disk-performance to get an indication of the usage, but since it contains the sbs2003, exchange, fileserver and an application that's accessed from the desktop I'd say thanks for clarifying this. In this interview, SearchStorage.co.UK Bureau Chief Antony Adshead speaks with Steve Pinder, principal consultant at GlassHouse Technologies (UK), about the mechanism of RAID rebuilds and how to ensure the quickest possible have a peek here

By submitting your personal information, you agree that TechTarget and its partners may contact you regarding relevant content, products and special offers. You can change this option in the ACU, but not during a rebuild process. Will these commands work for a RAID5 setup? Thank you

From: kevin Fitzgerald Reply I have a failed hard drive sdb However the readout from cat /proc/mdstat reads as follows: md127 : active raid1 sda[1] sdb[0]      976759808 blocks http://www.computerweekly.com/feature/RAID-rebuilds-How-do-RAID-rebuilds-work-and-which-is-fastest

Rebuild Raid 1 Without Losing Data

Read the popup message carefully, to be sure that you are not copying in the wrong direction!!! I wasted a lot of time following another incomplete guide, only to find out my new array was unbootable. You don't need to hit the Partition button.

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  • RAID 6: RAID 6's double parity takes longer than RAID 5 to rebuild, although rebuild times are less of a consideration as two drives can fail without data loss.
  • Mirror deletes as well.2.

SME storage: Will hyper-converged eclipse the entry-level array? Now I can use all 4 driveslots with 6GB´s and the performance of the Controller is much higher.  0 Pimiento OP TormodF Sep 6, 2013 at 9:32 UTC Flag Permalink Reply This was helpful (0) Collapse - My ignorance.... Raid 1 Status Rebuild During the synchronization the output will look like this: server1:~#cat/proc/mdstatPersonalities:[linear][multipath][raid0][raid1][raid5][raid4][raid6][raid10]md0:activeraid1sda1[0]sdb1[1]24418688blocks[2/1][U_][=>...................]recovery=9.9%(2423168/24418688)finish=2.8minspeed=127535K/sec md1:activeraid1sda2[0]sdb2[1]24418688blocks[2/1][U_][=>...................]recovery=6.4%(1572096/24418688)finish=1.9minspeed=196512K/sec unuseddevices: When the synchronization is finished, the output will look like this: server1:~#cat/proc/mdstatPersonalities:[linear][multipath][raid0][raid1][raid5][raid4][raid6][raid10]md0:activeraid1sda1[0]sdb1[1]24418688blocks[2/2][UU] md1:activeraid1sda2[0]sdb2[1]24418688blocks[2/2][UU] unuseddevices: That's it, you have successfully

You seem to have CSS turned off. Rebuild Raid 1 After Drive Failure This should only take you a few hours and should complete over night. A physical drive failure such as a cracked platter or a broken circuit board should not be confused with a logical drive failure. https://www.howtoforge.com/replacing_hard_disks_in_a_raid1_array Disk /dev/sda: 2000 GB, 2000396321280 bytes 255 heads, 63 sectors/track, 243201 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sda1 1

Proffitt Forum moderator / February 7, 2016 1:33 PM PST In reply to: Toshiba Drives I noted what I use, linked to autobackup apps and you want what I see in Raid 10 Rebuild Time Hi,How can the "end of sync" be detected, if it is a background task ? You would probably need to remove /dev/sda, then move /dev/sdb to /dev/sda, and then install a new /dev/sdb.

From: Ben F Reply Just to add - I've just had a It does takes a long time to rebuild RAID1.

Rebuild Raid 1 After Drive Failure

There is no Windows coming up or nothin' The Intel Matrix screen showed them as separate drives.  I changed Vol 0 to Raid 1(mirror) and it is rebuilding now, I think.  I hope that  the current disk won't fail on me in the mean time... 0 Serrano OP DaveIW Feb 22, 2012 at 12:33 UTC Nine Acres Community School Rebuild Raid 1 Without Losing Data After you have finished the procedure described in the article, boot from rescue cd/dvd/usb stick/whatever 2. Raid 5 Rebuild Time http://www.sertdatarecovery.co...

select under "Partitions" the component which is failed, sdb2 in the example; 2. http://hcsprogramming.com/raid-1/raid-0-to-raid-0-1.php Can you share why you went down this road?http://www.techradar.com/us/news/software/applications/best-free-backup-software-11-programs-we-recommend-1137924 covers other titles which the first one looks to let us schedule when to sync our HDD with it's mirror clone.-> That I found out, that during the partitioning I got other blocksizes for the new drive: # blockdev --report RO RA SSZ BSZ StartSec Size Device rw 256 512 4096 0 2000398934016 markrApr 30, 2010, 8:43 AM Hello folks,I'm confused about an event that occurred today, and am hoping someone could shed a little light. Rebuild Raid Array

The disks were connected to connected to a AMD SB710 controller and the server was running Centos 5.7I did have problems getting the system to boot from sdb ( fixed by As a matter of fact, if you opted for ejecting the bad disk with power applied, the RAID was always available for use, and that's is what RAID means, 24/7 availability, can i reboot while the sync its on?, ty

From: Roger K. Check This Out Click the “Yes” button in the window that appears to confirm that you wish to configure the disks as “Dynamic Disks.” The drives will resynchronize in the background and are then

PrivacyCon: Tech's assault on (obliteration of?) consumer privacy The attack on consumer privacy by new tech is huge and growing, enabled by consumers and greased by profit; in other words, a Rebuild Raid 0 Storage forum About This ForumCNET's Forum on storage is the best source for finding help, troubleshooting, and getting buying advice from a community of experts. If a hard drive in a RAID 1 configuration fails, it should be replaced immediately to avoid data loss.

Keep up the good work!

From: Joe Reply Thank you for noting the need to run grub-install!

The RAID management system would have detected this in its automatic checking of how the two disks' data matched or did not, and it would have gone to work to fix drive 2 failing in a 2 drive mirror). Machine learning and streaming designs will contribute to ... Reclaime Free Raid Recovery Just adding an observation for others looking up rebuild times. 10.7GB of data which is the OS volume of a fresh install of Server 2012 R2 x64 took 29 minutes to

Forgot your password? However I do maintain backups in case of disaster.Are you seeing a lot of drive failures? They took between 30 -40 hours to rebuild.  The HP Storage manager does show you the build progress in % so you can work out how long it will still take.   http://hcsprogramming.com/raid-1/two-raid-0-and-one-non-raid-drive.php by miT on Feb 21, 2012 at 11:04 UTC 1st Post Data Storage 6 Next: Low to no cost storage system for nonprofit SMB Join the Community!

If you are doing stuff like this to be helpful to the masses, I can't imagine what you are like at work. Additional instructions for performing a rebuild from the Option ROM are available in the User Guides.

This article applies to: Intel® Rapid Storage Technology (Intel® RST) Need more help? If so, then go into the Bios (after Ctrl-Alt-Del) and switch the disks boot order. If the power outage happened during ONE of the write operations, the two disk units would have different data on them in a very few places.

This email address is already registered. Click Start. Thanks again- J From: Nemo Reply Happened upon this article merely by chance - clicked on the recent comments for this article for whatever reason. Thank you.

If I rename a file or folder on drive slice A, will it be smart enough to simply rename the same folder on drive slice B, once it is re-connected, or The faulty data had a known cause and was fixed. I'm running an HP Pavilion m9040n quad-core PC with 2 320GB drives in a RAID 1 configuration.After an unexpected loss of power my system booted into Windows 7 normally, but with Select the second disk to be added to the RAID 1 array and click the “Add” button.

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. Any help will be greatly appreciated. About CNET Privacy Policy Ad Choice Terms of Use Mobile User Agreement Help Center Around The HomeEntertainmentProductivitySmart HomeFamilyParentingToysPetsTravelProduct ReviewsPhonesTabletsLaptopsDesktopsWearablesAudioCamerasHeadphonesPrintersSmart HomeTVsGaming and VideoOne Cool ThingPodcastFrugal TechKickstartersVideosTechwalla SEARCHHomeAround The HomeProductivityHow to Rebuild RAID Just did it and your steps worked perfectly.