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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Boot Windows 10 from RAID0
I had a Windows 10 machine with Auros Z390 Pro mainbard, SATA SSD system disk and RAID0 with two M2 disks and successfully installed seconds clean Windows 10 on the RAID.
Now when I start my machine I ...
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Rebuilding Windows Server 2019 Boot
I have a Windows 2019 Server that has been in service for about 8 months. It is an MSI 670P motherboard and implements a RAID10. It won't boot. Apparently there was a power failure, and the system ...
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UEFI Intel RST RAID issue, can it be solved with MDADM?
I had two disks running on RAID0 on a Gigabyte GA-X38-DQ6. They contained a Windows installation, although not used at all as I was running linux from another SSD disk.
They were running on the Intel ...
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Why is my RAID 1 NAS (WD My Cloud EX2 Ultra) reporting RAID health "degraded" after replacing one disk and RAID rebuild?
I have a WD My Cloud EX2 Ultra NAS, almost 6 years old, and got a red light on it recently, indicating a disk problem. The NAS web dashboard reported one of the disks is bad, so I bought a replacement ...
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Faulty disk replaced but not visible in RAID 1
I have an old NAS called Netgear Stora. It has two SSD drives in RAID1. Unfortunately one of the drives started to light red on the cover and it appeared faulty (also it started to sound very noisy ...
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Preserving all user data when replacing a failing RAID controller by importing "foreign configuration"
I intend to replace a failing AOC-SAS2LP-H8iR RAID controller with a LSI MegaRaid SAS 9260-8i controller (offered by our IT facility, who suggests these cards are compatible, but also warns that there ...
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What makes e2fsck -cc so slow?
This isn't a complaint or a request for tech support or help! I'm just curious about what's going on behind the scenes :)
I'm doing e2fsck -cc to flag bad blocks on an 8TB LVM ext4 filesystem. ...
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Building a RAID 6 NVMe SSD only server using Supermicro case, backplane, and mobo with a Broadcom MegaRAID 9670-24i
To summarize: It will be a bummer to ship all these parts then fly out to do the build to find out a $2,000 RAID card doesn't play nice with a backplane. or that i bought the wrong cable since the ...
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How do I copy a non-RAID image to a RAID 1?
I backed-up the image of a computer's single drive that was not part of a RAID. Then I installed a second new, identical, empty drive. Configuring the RAID via the BIOS erased the old drive, but I ...
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How exact do I need to be about replacing disks like-for-like in a RAID 1 NAS? Can I replace a disk with one of greater capacity?
I want to replace one of the disks in my NAS, which currently contains two 6TB disks, arranged in a RAID 1 array. Do I need to replace with a disk of exactly the same size? If "it depends," ...
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“failed command: WRITE FPDMA QUEUED” with HDD plugged to ASM1062 (PCI-E SATA expansion card)
Setup
I refurbished an ASRock QC5000M motherboard for a home server, by installing Debian 12 on it with the intent to set up a RAID 1 on 2 hard drives.
This motherboard only has 2 SATA ports, so I ...
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Read data from a raid1 disk, superblocks erased
I have a disk that used to be inside my qnap NAS (it was in raid1 with another disk, which I still have). The NAS died and I mounted the disk on my ubuntu machine using mdadm to create the raid array ...
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How to monitor drive failures via IPMI/Redfish Supermicro & Gigabyte
We have a bunch of Supermicro SuperServers deployed (various generations) and since we had a few drive (SSD) failures in the last month. We only noticed the failures (depending on the RAID level) ...
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Doing a disk copy with dd on RAID1 devices on Ubuntu
I want to make exact copies of two drives using dd. The two drives are mounted on Ubuntu as a single RAID1 device. The RAID (consisting of two drives) is bootable. If I make exact copies of the two ...
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When trying to setup Raid Sata, and only the top sata ports detect drives
I disabled CSM and enabled sata raid in the bios. After rebooting, the top 3 sata ports detect drives in the bios and windows and the bottom 3 located on the motherboard do not. Is there a solution or ...
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Fault detected on drive 1 in disk drive bay 1 on a Dell R620, but is it really a concern?
It gives me this code on the display from the server (Fault detected on drive 1 in disk drive bay 1) , but in iDRAC:
Storage summary:
Fault logs:
Disks online:
I really don’t know what is happening,...
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How to convert ext4 partition on raid 1 to btrfs?
I'm trying to convert two ext4 partitions that are on raid 1 with mdadm to btrfs.
When i try to run
fsck.ext4 /dev/md0p2
fsck.ext4 /dev/md0p3
They return with
e2fsck 1.46.5 (30-Dec-2021)
/dev/md0p3 ...
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1
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RAID with 3 x 500GB on 3 disks? (9 partitions)
Looking to set up a photography PC slash storage. Below is my disk drives
500GB SATA Barracuda
2.0TB SATA Western
2.0TB SATA Western
500GB ePCI NVMN --- use this as the PC
It occured to me, if I ...
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How can I create a single partition from three different disks to install Windows on it?
I have 3 disks: 1TB, 512GB and 512GB. Is there any way to create a single 2TB partition and install Windows 10 on it? Data safety is not important.
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Is removing the disks from readynas duo v1 and reconnecting them after performing a factory reset likely to cause data loss?
As mentioned in the topic, ı want to remove disks then perform factory reset to clear mistaken configuration and lastly insert the disks back. Is there any possible data loss chance in this operation?
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