Questions tagged [software-raid]
Questions which refer to software RAID implementations.
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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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2 Disks Suddenly Showing as Spares on Raid 5 Array
I have a raid5 array in a Seagate Blackarmor 440 nas that suddenly started showing disks 1 and 4 as "failed". I moved all of the drives over to a Ubuntu box and tried to assemble the array ...
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Restoring a veracrypt volume
I had a great idea at one point, creating an asus motherboard raid 0, where i ultimately installed windows too (yes i know). One of the M.2 ssds, started failing and i had to reinstall everything.
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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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Getting rid of "Current pending sector" in Microsoft dynamic drive member without resynching to another disk and erasing it
I've got an issue with drive - current "current pending sectors" count is equal 15. I think that it might be only a result of a broken SATA cable, which I've got rid of today.
Long story ...
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Why are random writes to an MD RAID 10 extremely slow (12.5 MB/sec)?
I've just run a fio test against a 6-disk level 10 MD RAID of SATA 2 drives (WDC_WD5003AZEX; 500 GB each) on an OpenSuSE 15.4 machine powered by an Intel(R) Xeon(R) CPU E3-1231 v3 @ 3.40GHz and ...
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Recover a RAID5 logical volume with two failed devices
before bashing me I assure you I know a RAID5 devices can survive only one drive failure. So... why am I asking this?
I had two disks disconnected simultaneously from my machine, so raid failed. Also ...
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How to wait for mdadm RAID1 resync process to fully complete?
I currently have a logic to wait for the resync process to finish by looking at /sys/block/mdXXX/md/raid_state to be clean and assume that the resync has finished. However, I don't think this is ...
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How do I eliminate file write latency spikes on mdadm raid0?
High Level Problem Summary
We are working on an application that requires high throughput to RAID0 for extended periods of time. There are up to 8 independent 5 GB/s data streams being written to ...
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Mount & Access DATA in RAID1 configured HDD outside of Synology Box on Linux [mount: wrong fs type, bad option, bad superblock]
Background
My Two-Disk Synology DS14+ won't power on and I want to access the files stored in the HDDs on my Ubuntu computer. I tried following the official guide on Synology's FAQ but I always get ...
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Creating Mirror (RAID 1) on Windows 10 causes not enough disk space error
I have 2 disks (disk 1 and 2), both are exactly 2794.52 GB.
Disk 2 is formatted and contains important data,
Disk 1 is unallocated.
Note that I cannot back up my data and format Disk 2 due to the ...
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Windows Storage Spaces 2-Way Mirror behavior in case of a faulty drive
Assuming a simple, fully-provisioned two-way mirror Storage Spaces setup on Windows 10/11, how does it behave when one of the drives gets faulty:
One of the drives cannot read some sectors, and SMART'...
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Is it safe to use Windows 11 Mirror Storage Spaces with BitLocker Auto-Unlock
There have been reports from a few years back (albeit both about Windows 10, not 11) regarding some issues / incompatibilities that lead to data loss / corruption of using Windows Storage Spaces where ...
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Zpool hung while attaching a new disk, now faulted
I was attempting to expand the storage on a large ZFS pool, adding a similarly sized drive from a USB bay. The pool was in use, and the zpool attach command hung. After an hour, it still hadn't ...
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