Questions tagged [software-raid]
RAID solution handled by the operating system.
899 questions
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Can I shrink an mdadm raid5 partition that is larger than the others?
I have a 4-drive mdadm raid5 array (metadata v1.2) comprising 3x 2TB drives and 1x 4TB drive which recently replaced a failed drive. I plan to make all subsequent replacements 4TB drives so eventually ...
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RAID 10 not starting after all disks disconnected due to power outage - mdadm software RAID
I have a server and a connected JBOD/DAS with 4 16TB hard disks and a single 1TB hard disk.
On the 1TB disk I installed Proxmox with Debian 12. Inside Proxmox, I then created a virtualized Arch Linux ...
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How do you remotely monitor server pools raid for failed or failing harddrives
With Storage Pools on Windows Server 2025, how can I receive a warning when there is disk errors or a drive failure?
It seems to be a missing feature compared to a raid card that screams at you when ...
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Why do disks used in RAID change names every boot?
I created two RAID1 arrays, md0 and md1. The disks used were sda and sdb, but when adding other disks and rebooting the system, the disks change names. For example, sdb is now called sdc.
To test, I ...
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State of bootable Linux software RAID1 in 2025 and 6.1.x kernel
I've always used hardware RAID controllers by 3ware, LSI or Adaptec (and their successors) for my Linux machines which required RAID 1 for their system drive. (Partly additional HBA for ZFS, but that'...
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Need to modify RAID storage
(The question is at the end)
I have a live server with Server 2016 Standard. The C: drive keeps filling up and causing issues. I have a Backplane with 7 drives, and we are using MegaRAID Storage ...
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mdadm: replace RAID1 drive with another of different logical sector size
one of our company's webservers had a hardware failure with /dev/sdb. The drive was replaced and I am currently struggling to find proper information on if a logical sector size matters if the ...
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RAID 10 slower than RAID 5 - max speed of single drive
Debian 12 data server
SuperMicro X10SLM+-F
32GB ECC
4 x SATA 14TB
connected to MB chipset Intel C224 (also tested with LSI2308 IT - same speed)
CPU load max 30%
plenty of free RAM
all disks created ...
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mdadm: How to force a parity check?
I want to make a full parity check of two SSDs and tried following command on Debian 12 Bookworm:
sudo /usr/share/mdadm/checkarray /dev/md127
However, even after days I always only get this error ...
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What are the possible RAID failure statuses with mdadm on Intel Software RAID?
I have an Intel Xeon-based system running Red Hat Enterprise Linux 9 with an Intel Software RAID configured. I'm using the mdadm utility for managing and monitoring software RAID devices, and I need ...
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Accessing Intel Software RAID (vROC) on KVM Guest (Debian) from Red Hat Host
I have Intel Software RAID (Intel® VROC) configured on my Red Hat host machine, and I would like to access its status etc within a Debian-based KVM guest VM.
[root@localhost ~]# mdadm --detail-...
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Does btrfs RAID5 or RAID6 have benefits over btrfs on RAID10? [closed]
From what I understand, btrfs is implementing RAID 5 and 6 support after having had RAID 0, 1 and 10 support stable for quite a while now.
btrfs already has check-summing and background scrubbing. ...
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Should I use a hardware RAID controller with my NVMe SSDs for a Hyper-V server hosting production VMs? [closed]
I want to set up a Hyper-V server to run four production VMs: a Linux database server (HANA), a Windows Terminal Server, and a couple of Windows 10 VMs.
Up until now, I’ve always used SATA SSDs in a ...
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root disapperead after resizing partition can't boot anymore
Hello i completely broke my server now after trying to resize my /boot to upgrade my OS
i shrank my root directory and tried to increase my boot folder but that didn't work really.
It gave me some ...
user1151912
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Replacing RAID1 disk - partition sizes differ
One of my RAID1 disks failed recently. I've purchased a replacement, connected it up and formatted it as Linux RAID using cfdisk.
New drive is /dev/sdc
Old drive is /dev/sdd
They appear to have the ...
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