Other array modes like raid 0 stripe and span linear are not covered here. Plug out the hard dsik once you have plugged out and in. The my book studio ii supports only two of the raid standards. In this case, pull the slot 0 replacement drive, force the raid5 online in degraded mode, then wipe the data off the slot 0 drive use dd ifdevzero ofdevsdx this is again where your usb3sata dock comes in handy again. At the time i fail the drive and put my raid in degraded mode the 3. And the detail reported no problems, so i ran the file system check and resized the array. After system reboot finished, and hear three beeps 4. If one or more of the hard drives in a raid fail, the raid may still continue to run, but with severe performance limitations in what is termed degraded mode. Cant get my raid array out of degraded mode server fault. My book mirror edition user manual wd raid manager for windows 12 wd raid manager for windows wd raid manager is a tool designed to help you easily manage your raid system. Raid5 degraded, but os wont boot solutions experts. Guys i have a server with a degraded raid, however the drives are healthy. Solved western digital world book edition 2 problem with. If went to add hdd into a degraded raid, please check from nas admin web page storage raid management page choose the raid volume edit check the spare or hot spare box which hdd you went join into raid volume for rebuilding apply for raid rebuilding.
Configuring raid my book mirror edition is preformatted as a single windows ntfs partition and is preconfigured for raid 1 mirrored mode for data protection which dedicates half the capacity to mirror the data in both drives a and b. I unplugged and plugged again and worked for like 30 minutes or so. The software is easy to setup, the web interface is designed beautifully and looks great, and the mobile apps available for both ios and andriod are very. Confused about raid degraded mode hacking wd mybook. For more information on the raid modes that your device supports, refer to the manual or the startech. I have attached pictures so you guys can see what i am seeing in dell open manage. To rebuild a degraded raid back to healthy again, please follow the next steps. Files saved to this primary partition are automatically copied to the.
You should hotswap the faulty disk without turning the nas off. Raid 0 zero, as it comes preconfigured out of the box, combines the two physical hard drives into one large volume, in the case of. However, since the available disk seems to contain good data it says sync, meaning this disk is synced correctly to the current state of the array you can still assemble it in degraded mode by adding the force parameter. My book mirror edition is preformatted as a single windows ntfs partition and is. If youve got a hardware raid, you can probably see the bad drive because there will be a different colored led. Mar 23, 2016 this night my ts 212p put my raid 1 in degraded mode with the following logs. When i came back, the wd my book was still in degraded mode. I installed wd manager and also said it was in degraded mode. Also i have no problem creating a file using touch when the raid is in degraded mode. This night my ts 212p put my raid 1 in degraded mode with the following logs. Next reboot showed degraded status 3 drives still in array, 1 in unknown mode as seen at raid biosstartup, but now it wont boot into windows at all just flashing cursor immediately after.
Recovering drive configuration on vanilla perc h700 lsi. How to recover data from bricked wd my book world edition. It can only be configured over usb, thunderbolt cannot be used to configure the drive or run the health tests. Prepare a new hard drive to rebuild the raid configuration. After the failed disk is reconstructed to a spare, the raid group returns to normal mode. Raid should not be considered a replacement for backing up your data. Now, when i say failed, i mean that i cant detect them through windows.
The my book live duo brings a lot to the table, expanding on all of the great features of the original my book live, as well as increasing capacity or data redundancy through two drive bays. If critical data is going onto a raid array, it should be backed up to another physical. The dualdrive model my book world edition ii is preconfigured for maximum capacity as a large single spanned volume. What is raid and what are the different raid modes. Western digital my book mirror edition user manual pdf download. For more information, see drive management on page 41. I see some steps to follow in this thread but unable to do so as my password is not accepted anymore after upgrading the firmware to 1. In this case it is highly advised to replace the faulty disk as soon as possible to avoid any data loss. Raid configuration the maximum number of drives allowed to fail raid 5 1. Warning this operation will degrade your mbwe ii raid structure, so you must not disassembly your healthy mbwe in any case. I looked the leds and the user manual and saw that it was in degraded mode. Jan 23, 2012 the my book live duo brings a lot to the table, expanding on all of the great features of the original my book live, as well as increasing capacity or data redundancy through two drive bays. When a raid array experiences the failure of one or more disks, it can enter degraded mode, a fallback mode that generally allows the continued usage of the array, but either loses the performance boosts of the raid technique such as a raid 1 mirror across two disks when one of them fails. I opened up the hardware and reconnected the disks and then the second disk was showing as unassigned.
Redundant array of independent disks raid is a virtual disk technology that combines multiple physical drives into one unit. Forum forum my book world edition blue rings degraded mybook is there a easy fix. Raid can create redundancy, improve performance, or do both. Went into storage settings and saw the second disk was showing as missing. Is it a hardware or software raid and if so, what os. Though it is very easy to use, the application is the only way to configure the my book pro. Wd my book studio ii 2tb raid 0 degraded mode external. My book world edition user manual getting started 4 getting started format and configuration my book world edition is preformatted as a linux file system.
There, under components, you should see two disk partitions, e. What does it mean when your raid is running in degraded mode. My book mirror edition raids your data computerworld. When a raid is in degraded mode it means one or more disks have failed. I took the hdd and installed on an external enclosure and could not get the hdd working on.
Ive got a 4drive raid 10 array that has just had a drive failure. Confused about raid degraded mode hacking wd mybook world ed. View and download western digital wdg2tp0n my book pro edition ii hard drive array user manual online. Plug in your original harddisk, system would do auto rebuild the raid system for you. Confused about raid degraded mode forum forum my book world edition blue rings confused about raid degraded mode started by. Raid 1 consists of an exact copy or mirror of a set of data on two or more disks.
The my book is preconfigured as a single windows ntfs partition using raid 1 mirrored mode for a total capacity of 1tb. On system administration power managementreboot the system 3. Degraded mode is a term that refers to the status of a computer running raid. I had a drive in slot 4 go bad, i wanted to make a video to see what happens with the auto rebuild on this device when a new drive was added. Volume status volume datavolume is in degraded mode. As checking the health of your raid use the intel matrix console and use option to get raid report also raid 1 is not a replacemnet for backup so that is why you have the ghost for.
I have formatted the disk via the control panel, but when i checked it on my laptop it seems there are some partitions there that im guessing ill want to get rid of before i start putting data back on. A raid group goes into degraded mode in the following scenarios. Oct 03, 2018 i had a drive in slot 4 go bad, i wanted to make a video to see what happens with the auto rebuild on this device when a new drive was added. Hi, i have a my book studio ii 2tb in raid 0 under mac os x snow leopard and connected with firewire 400 to a mac mini for some years now.
Feb 11, 2018 amazing storage western digital my book pro 12tb vs lacie 2big thunderbolt 2 8tb raid hard drive duration. The raid array includes my partition, so to resize the file system i booted to the ubuntu live cd. Volume status volume datavolume is in degraded mode wd. Featuring thunderbolt 2 connectivity, the wd my book pro is designed for pro users looking for a speedy, yet efficient way, to manage huge amounts of digital content, as it can hold upwards of 12tb in raw capacity. If two disks have failed in a raid dp group, the raid group goes into double degraded mode.
When i try to create a duplicate copy of the test file on the degraded raid some of it actually gets copied. I just had the same problem yesterday saying my datavolume was in degraded mode. If a raid is in degraded readonly mode it means more than the allowed number of drives have failed and the raid cant be rebuilt even if you replace the faulty drives. In case one hdd failed in raid1 raid5 raid6 raid10 configuration, please hot unplug failed disk, wait for 1 minute and hot plug in the new one. Sep 22, 2015 the wd my book pro is the companys latest highperformance dualdrive storage raid storage system to hit the market. In case one hdd failed in raid 1 raid 5 raid 6 raid 10 configuration, please hot unplug failed disk, wait for 1 minute and hot plug in the new one. Jul 24, 2008 the my book is preconfigured as a single windows ntfs partition using raid 1 mirrored mode for a total capacity of 1tb. After installing mdadm, the array was recognized without a problem. Triple interface dualdrive storage system with raid. Amazing storage western digital my book pro 12tb vs lacie 2big thunderbolt 2 8tb raid hard drive duration. This configuration offers no parity, striping, or spanning of disk space across multiple disks, since the data is mirrored on all disks belonging to the array, and the array can only be as big as the smallest member disk. When a controller that supports software raid is instructed to create a raid array, its bios writes data structures in a. The other day got erros saying it is in degraded mode. For raid definition and its modes refer to the mbwe user manual manage raid, page 126.
The my book pro uses the wd drive utilities to manage the device, including raid configuration. I took the hdd and installed on an external enclosure and could not get the hdd working on my desktop. Even worse, the new drive could not be detected through shared storage manager. Alternate flashing between top and bottom leds raid degraded mode cycling from bottom to top raid rebuild mode fast flashing every second overtemperature condition 2. I ignorantly have never practiced how to recover from a failure im a programmer, just keeping this server as a hobbyist so im. If during the build, the raid5 array goes offline, it is likely you ran into a ure and a 2nd drive was marked offline. Mybook doesnt boot after i connected the hard drive directly to my pc. When a raid array experiences the failure of one or more disks, it can enter degraded mode, a fallback mode that generally allows the continued usage of the array, but either loses the performance boosts of the raid technique such as a raid1 mirror across two disks when one of them fails.
475 1402 1090 1088 1359 1306 965 1150 346 1543 587 1212 481 385 1508 1241 498 322 398 175 867 812 1515 1273 1457 231 1048 149 1554 1170 773 486 45 542 552 801 1031 1315 1014 1379 1080 1381 332 519 1139 762 500 1279 837 659