Questions tagged [raid1]
The raid1 tag has no usage guidance.
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Raid 0+1 Failure Cases VS. Raid 1+0
I have heard that RAID 1+0 is more fault-reliant than RAID 0+1, because a secondary drive failure is more likely to cause data loss in RAID 0+1 than RAID 1+0.
In the above image, if "Disk 1"...
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what are the steps to run Grub Hook Script in Debian 12.5
I have installed Software RAID 1 in Debian 12.5. I want if 1st HDD fails the automatically my system should be able to boot from 2nd HDD and visa versa.
What steps I should take for the same?
My ...
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Recover data from a raid 1 disk
i would like to recover some data from a disk which was part of a MD RAID 1 Array in an old fileserver.
Drive 1 had a HW issue and it seems that drive 2 stuck in a Rebuilding State.
My idea was to get ...
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Accidentally used fdisk on mdadm RAID1 array, can I recover my data?
I installed a new disk today and was prepping it, before realizing that I'd done my "prep" work on an existing RAID1 array!! I'd LOVE to be able to recovered if possible.
My array was ...
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Migrate existing RAID1 volumes to LVM on Proxmox
Notes: I read How to convert SW MD RAID1 arrays to LVM mirrors? but wanted to pose the question as that is quite an old post. This is my first post.
I have a sw RAID1 (2 8TB HDDs that present to ...
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Recover data from old working RAID 1 disk
I am running a system with Debian 12. /root/ is on a RAID1 array with mdadm with 2 mirrored SSD (let's call them disks A and B). All disks are perfectly functioning.
I wanted to replace the two A and ...
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Linux RAID1 replace disks with higher capacity
I have a server which has two 256GB SSDs. They were partitioned as following:
/dev/sda1 100GB linux-raid-autodetect
/dev/sda2 100GB linux-raid-autodetect
/dev/sda3 23,6GB linux-raid-autodetect
/dev/...
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What is the difference between BTRFS RAID1 and BTRFS RAID5 on 3+ devices?
According to "Examining btrfs, Linux’s perpetually half-finished filesystem", BTRFS RAID1 is said to be "guaranteed redundancy—copies of all blocks will be saved on two separate devices&...
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What's the best method to raid1 a btrfs and efi boot drive?
I have two NVME drives, one of which is already working as I want and I boot off of it: it has two partitions one for EFI, one for the BTRFS Linux filesystem.
Device Start End ...
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How to create a data-redundant encrypted filesystem on an external SSD?
What's the easiest way to format an external SSD with encryption and RAID1-style data replication?
As I recently grew suspicious of my SSD+luks+btrfs setup, I've started wondering how to reduce risk ...
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Recovering data from old RAID 1 NAS drive
I'm trying to recover data from an old NAS drive that failed. I'm not sure of the cause of failure, but the files are relatively intact on the drive, and I've been able to pull some stuff off in the ...
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How to extend madam RAID1 with LUKS and ext4 filesystem on Debian 10
I am trying to expand an existing RAID1 array with an ext4 filesystem on a LUKS volume on Debian GNU/Linux 10 (buster).
This is my disk layout from lsblk:
NAME MAJ:MIN RM SIZE RO TYPE ...
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FreePBX distro on CentOS failed to boot with RAID
I have a regular FreePBX (latest 7) distro with LVM RAID1 volume on two physical disks. After power fail it can't boot and drops to emergency mode.
Main LV is inactive and I can't enable it because ...
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2
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Recover mdadm raid1 built with full disks (overwritten partition data)
While setting up my new PC I also setup a new RAID 1 with 2 drives with LUKS on top.
After copying all the data to it I made sure everything was usable and afterwards shredded the old drive.
But now I ...
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Raid profile missing or gone after drive replacement
I have a 5 year old PR4100 with 4 x 2TB WD red's. It was always configured in the default Raid1 setting. A week ago, my PR4100 showed a red led on the first drive. My files were still accessible and ...
