Questions tagged [raid]
Redundant array of independent/inexpensive disks; a technology which utilizes multiple disks to provide increased reliability, performance, and/or redundancy. Can be implemented either in software or with a hardware controller.
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RAID 5 array won't assemble, lsblk shows drive size as 115.5P for all drives in array
I have a raid-5 array comprised of 4 2TB drives that has been operational since 2018. One day I noticed that access was very slow, and the next day it was completely inaccessible. I have an old (2011) ...
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What drive pool/RAID option is best for a home media server with uneven drive sizes?
I am building a DIY home server NAS with a DAS and Proxmox and don't need enterprise-grade redundancy. I am happy to use something other than Proxmox, I just like how easy it is to use containers and ...
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New NAS: Enhancing MDADM against long-term bitrot and random errors
For the last 15 years I was running MDADM(Raid6)+EXT4 under Ubuntu Server on smaller arrays <25Tb. Typically, all my arrays grow over the years, so I was starting with 4-5 drives and ending around ...
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Cloning PERC H310 RAID 1 to non RAID SATA disk
I have a Windows 10 PC with the OS drive being 2 SAS drives on a Dell PERC H310 as a mirror.
I want to remove the RAID and install a single SATA SSD. I have some programs to which I have no ...
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Detecting array message
I found an old PC back from 2005. Tried to boot it up but it gave a message "Detecting array". Also tried dissabling SATA controller in BIOS but then a simple white line was blinking on the ...
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resize2fs wont grow an mdadm array (raid6, lvm, ext4)
I've decided to grow my raid6 array:
- from: 7x 2TB drives (giving usable space of ~9TB in ext4/raid6)
- to: 7x 4TB drives (giving usable space of ~18TB in ext4/raid6)
I have replaced all seven ...
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Mounting External Intel Raid Device on Linux Failing, No Suitable Superblock and Read Past End
I have a hard-disk from a dead machine that I'm trying to mount on my Linux machine. For reference, I'm using Fedora 39 and mdadm v4.2. First, I tried just mounting it, correctly showing it's a RAID ...
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Migrating between BTRFS Profiles and mdadm RAID
I am planning to set up a home NAS. I plan to start it with two identical disks in something similar to RAID-1, but Iʼm thinking about how to make sure I leave my options open for growing it later.
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Degraded four-drive RAID 5 with missing superblock on single drive
I'll start with the question: Based on the following information, is there a mdadm command I can make in the readyNAS to reassemble all four drives in the raid 5 in a working state where I can pull ...
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When I use four drives, one operates very slowly
I’m experiencing unusual behavior with my system. When I attempt to write to four disks concurrently. In fact, the last disk (/dev/sdd) consistently operates at a speed ranging from 40MB/s to 5MB/s.
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Windows Storage Pool stuck in ReadOnly state
So to make a long story short(er), I suspect I had a bad SATA card. I have a 8 drive storage pool in Windows 11 in Storage Spaces (1 parity) that's been running great for a few months. Suddenly it ...
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Bcachefs: remove dead drive from an online filesystem
I'm playing around with bcachefs to see how it handles various scenarios.
Currently, I'm doing a simple experiment where I'm writing random data to a file on an array with 3 HDDs set up with 2 data ...
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Raid data no longer showing up after disconnecting and reconnecting drives
I have WD Mybook Duo 16tb raid. I opened it up and took out the drives because I was originally planning on putting in some drives from a different WD mybook duo 16 tb raid that had malfunctioned due ...
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Raid 5, single disk failure
A friend's Raid 5 array going down.
OS: Windows 10 on SSD, not on RAID
Raid controller: HighPoint RocketRAID 2720 controller
Raid 5 of 8x8TB drives
HighPoint controller is managed through their ...
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USB disk on a VBox on RAID was repartitioned
I have an Ubuntu on a VBox on Windows 10 Pro. The Ubuntu had a Raid 1+0 with 2 external USB disks. Suddenly, when I restarted the server, both disks got repartitioned with these: PARTLABEL="...
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Can I set JBOD and RAID10 at the same time on the NAS?
I am looking to buy ASUSTOR's FS6712X NAS, and 12 of 2TB NVME SSD and now have a question about the RAID settings.
Is it possible to set JBOD and RAID10 at the same time? So like having 12TB capacity ...
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How to Clone a Single SSD to a RAID 1 Array?
I have a 1TB SSD with Windows 11 installed and lots of software.
I want to set up a RAID 1 (mirror) configuration.
I installed two empty 1TB SSDs and configured RAID 1 in the BIOS.
I'm trying to clone ...
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Can I access data from single HDD of RAID-1 (Software based RAID)?
I had a machine running Linux Server (Ubuntu 22.04.4 LTS) on a M.2 NVMe SSD, and have connected 2 four TB NAS HDD with software based RAID-1 configuration (Linux RAID1 and formatted as EXT4 partition)....
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How to recover a RAID 5 after deleting the partition table and fstab?
I have a RAID5 set up for my storage drives on my Nixos 23.11 machine. I followed this guide to set up the RAID (and I followed it very closely).
I have just reinstalled Linux on my boot drive (...
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Seagate Ironwolf 4TB drives reverting APM settings on Ubuntu 22LTS after upgrade from 20LTS in RAID-5 array
I recently upgraded my system from Ubuntu 20LTS to Ubuntu 22LTS, and I've encountered an issue with my RAID-5 array consisting of four Seagate Ironwolf 4TB hard drives (from /dev/sda to /dev/sdd). ...
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What happens when a URE is encountered during a RAID rebuild?
My current NAS (Synology 8x10TB) is near capacity and I'm looking to buy another one (8x22TB) ASAP.
After reading an alarming amount of articles when purchasing the first one about how RAID 5 was ...
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SATA RAID 0 (striping) configuration under Windows 11
I have a 'semi-newish' desktop I put together (GigaByte motherboard) with 2x M.2 500GB SSDs. I thought I had properly configured them in RAID 0 via the UEFI settings. Yet then today I was adding a ...
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Reassemble RAID0 array despite error
My ancient Synology CS407 was setup (deliberately) with RAID0 and I didn't have a backup system set up yet. There are four 1TB drives making a 4TB volume. One drive had a failure which led to the on-...
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Using mdadm to perform no-downtime backupd
I have a server running Ubuntu 23.10. It contains several RAID 1 arrays created using mdadm. One of these holds the virtual machine disk images of my web-servers. Currently, to backup these images, I ...
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Why am I getting "Partition 3 does not start on physical sector boundary" warning with this setup?
On a fresh install of Proxmox 8.1, fdisk -l is warning "Partition 3 does not start on physical sector boundary". This is unexpected to me, because the start of the partition is 2099200, ...
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Centos 7 How Grub2 Reinstall on Raid 0 Disks
My dedicated server was not responding so I rebooted the server (CentOS 7). Now its showing there is "No bootable device found" . My system have 2 HDD's connected by hardware raid And 2 SSD'...
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How to recover RAID 1 array from a single device during reshape?
I have one disk that is in raid 4 reshaping from a previous raid 1. According to examine mode by mdadm, the disk is marked as a spare in a raid 4 array of 3 disks. I was hoping to recover data on it ...
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Recover files from failed raid 0
I have a client whose laptop (Asus GX502) stopped working, and as I fix the laptop he wants his data from his drives, but problem is that when I connected the nvme SSDs (512 GB each) to my test ...
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Moving from Netgear ReadyNAS RN104 to a different manufacturer
my Netgear ReadyNAS RN104 has died, problem with the power and/or power supply, so I want to move the 4 drives set up in RAID 5 to another NAS. I want to move to a different manufacturer so what is ...
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Unable to access data on Intel "fake RAID" after failed Ubuntu update
Recently I did an update of my Ubuntu, it seems to work at first but after restart it shows:
kernell ofset relocation range kernel panic not syncing: VFS
I try to use different older kernel from Grub ...
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