Cannot use device /dev/md0 with duplicates

Author: rzvo

August undefined, 2024

WebJun 26, 2024 · Execute the following command to create RAID 1. The logical drive will be named /dev/md0. sudo mdadm --create /dev/md0 --level=mirror --raid-devices=2 /dev/sdb1 /dev/sdc1. Note: If you see this message: “Device or resource busy”, then you may need to reboot the OS. Now we can check it with: WebAug 2, 2016 · So, if I run sudo mdadm --assemble /dev/md0 /dev/sda1 /dev/sdb1 /dev/sdc1 /dev/sdd1 /dev/sde1 (depending on which drives are the raid drives) then the array assembles correctly and I can access the files. I have tried to pull the power from all of the RAID drives, the system still doesn't boot (same infinite loop).

Cannot assemble raid mdadm - SATA HAT - Radxa Forum

WebMay 6, 2013 · In our system we use mmap() on the /dev/mem file to access a memory mapped hardware device. However, using this device file requires running the … Web2 Answers. Maybe device-mapper is 'stealing' this device. Try this: [root@host ~]# dmsetup ls sdb (253, 2) VolGroup00-LogVol01 (253, 1) VolGroup00-LogVol00 (253, 0) If you find … shannon yoga world

How To Manage RAID Arrays with mdadm on Ubuntu 22.04

WebOct 2, 2006 · If so, and I assume from the above that you have two hard disks, I discovered through a LOT of trial and error, mostly error, that you can initiate a RAID 0 array like this: 1. Boot to the install CD and run cfdisk. 2. Partition both disks identically and make your non-swap partitions type "Raid Autodetect". WebJun 18, 2015 · After power cycling them I was unable to add them to the array again: mdadm: /dev/md0 has failed so using --add cannot work and might destroy mdadm: data on /dev/sdX1. You should stop the array and re-assemble it. Since rebooting, I've tried: --assemble, fails due to "faulty" disks. --assemble --force, fails: WebDec 16, 2024 · mdadm reassigns the device files from /dev/md0 to something like /dev/md127 on the next reboot. So you cannot just use the device file in the fstab. I … pom poms out of tissue paper

LVM reports "Cannot use device with duplicates."

WebFeb 6, 2024 · You can not stop both devices at the same time, while in use. If you can not stop the array itself by unmounting whatever partitions are mounted on it and then stopping it, you will need to migrate device by device. ... Before executing them I wipe the /dev/md0 area using the dd command, dd if=/dev/zero of=/dev/md0 Share. Improve this answer ... WebJul 23, 2015 · Two suggestions: Check the kernel message buffer for messages related to the failed md create command. Wipe out what's on sdc1 - use dd if=/dev/zero and md --zero-superblock. (third of two suggestions) reboot; run mdadm in single-user mode. Which is kind of desperate, but gives you a good chance to make sdc1 unused. shannon yortonWebIf you get this message, it is that another device has used to the same credentials and has become the owner of your account. You can no longer synchronize. Please note that the … shannon youngblood author

"WebOct 20, 2024 · sudo mdadm--grow--raid-devices = 3 /dev/ md0; The array will begin to reconfigure with an additional active disk. To view the progress of syncing the data, run the following: cat /proc/mdstat You can continue … " - Cannot use device /dev/md0 with duplicates

Cannot use device /dev/md0 with duplicates

mdadm RAID6, recover 2 disk failure during reshape

WebMay 3, 2015 · As you can see, I have it specified to setup the RAID as /dev/md0. But every time I reboot, my /proc/mdstat shows: Code: root@maples-server:~# cat /proc/mdstat Personalities : [raid0] md127 : active raid0 sdc1 [1] sdb1 [0] 488016896 blocks super 1.2 512k chunks unused devices: . I can confirm that it's actually md127 by looking … WebOct 29, 2015 · Press Windows + X keys on the keyboard and select Control Panel. Type Troubleshooting in the search bar on the Control Panel. Click on View all on the left …

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WebJul 30, 2024 · WARNING: found device with duplicate /dev/md3 WARNING: found device with duplicate /dev/sdb3 WARNING: Disabling lvmetad cache which does not support PVs WARNING: Scan found … WebHave the same problem.. The device is not mounted and its not the device that the OS is installed on...

WebApr 26, 2024 · I would therefore like /dev/md0 to use the last 1 TB, too. I have tried: # mdadm --grow /dev/md0 --size=max mdadm: component size of /dev/md0 has been set to 2147479552K ... Cannot set device size for /dev/md0: No space left on device So somehow the system can see the disks are 3TB (in /proc/partitions), but the RAID … Web6.8.1. Root Cause of Duplicate PV Warning. With a default configuration, LVM commands will scan for devices in /dev and check every resulting device for LVM metadata. This is …

WebWARNING: PV xxxxxx-xxxx-xxxx-xxxx-xxxx-xxxx-xxxxx on /dev/sdx was already found on /dev/sdy. WARNING: PV xxxxxx-xxxx-xxxx-xxxx-xxxx-xxxx-xxxxx on /dev/sdy was … WebOct 26, 2024 · Mar 30 09:02:18 x systemd-cryptsetup [537]: Failed to activate with specified passphrase: Device or resource busy Mar 30 09:02:18 x systemd [1]: [email protected]: Main process exited, code=exited, status=1/FAILURE Mar 30 09:02:18 x systemd [1]: [email protected]: Failed …

WebDec 3, 2024 · 1. Restart you NAS. Before Synology "Turn On beep" ssh to device. df -h to get drives. Found out drive with use > 99% (probably it is /dev/md0 if deletion of files from volume1 does not help) navigate to / (root dir) sudo du -hs * list biggest directories/files. Delete file that is causing the problem (in my case this was a video file that I ...

WebAug 13, 2024 · WARNING: PV RtYTin-DjWo-CtUG-M1W9-yn59-kDxt-7rL4QO prefers device /dev/sdc because device is used by LV. WARNING: PV e7UeKE-l0dj-lSv5-e7XV … shannon youngblood viperWebJul 25, 2014 · If the system cannot see the device then it wouldn't have said that there is something wrong with file system check, it would have simply said that device not found. And yes in rescue mode also it tries to mount the partitions unless you specify it with nomount option or if the fs is corrupt then it wont be able to mount it. shannon youngblood facebookWebFeb 25, 2014 · Linux Powerpath " Found duplicate PV "问题求助. 奇怪的问题。. 系统环境：rhel 5.5 ，PP 5.5. 分配了EMC高端存储的盘，有80个LUN，对这些LUN做了pvcreate，均显示成功，但pvs看的时候却报了好多 Found duplicate PV，无语了。. 关键是有60多个LUN是正常的emcpower device，但还有10多个就不 ... shannon young morning brewWebMar 26, 2024 · Instead, use the /dev/serial/by-id/X serial device for your Z-Wave stick. This is likely good advice, but on Synology there is no /dev/serial path, so this advice is not for us. I’ve been using /dev/ttyACM0 with zwave (deprecated) with no issues. You can find your current device in the .storage/core.config_entries file. pompom tater tots friesWebNOTE: If you attempt to create an LVM physical volume on a whole device on which you have configured partitions, the pvcreate command will fail. If you wish to use the whole device rather than a partition, you must remove the existing partitions from the device. You can remove existing partitions with the kpartx -d and the fdisk commands. shannon young hendersonville tnWebApr 7, 2024 · If I try to assemble the md0 array using verbose output, then it says, that there is no superblock on /dev/sda1 and /dev/sdb1: # mdadm -vv --assemble /dev/md0 mdadm: looking for devices for /dev/md0 mdadm: no RAID superblock on /dev/md/3 mdadm: no RAID superblock on /dev/md/2 mdadm: no RAID superblock on /dev/md/1 … pom pom sweatpants ivkWebAug 16, 2016 · To stop an array, the first step is to unmount it. Step outside of the mounted directory and unmount it by typing: cd ~. sudo umount /mnt/md0. You can stop all active arrays by typing: sudo mdadm --stop - … pom pom teahouse and sandwicheria