Questions tagged [software-raid]
Questions which refer to software RAID implementations.
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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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Three-way mirrored RAID in Windows 7?
I sometimes find bit-rot in some of my files. This is rare, but does happen. It annoys me that this is a) undetected for long periods of time and b) not fixable (except from backups), even with the ...
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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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Determine why drive was removed from software RAID array and rebuild safely
I have a fairly large Linux software raid6 array, with 16 devices. Recently I noticed that a drive appears to have failed out of the array:
$ cat /proc/mdstat
Personalities : [raid6] [raid5] [raid4] [...
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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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Best way to use Windows' RAID 1 to have an hot backup
I'm looking for a way to direct Win10 Pro RAID system to direct the reads to the fast drive in the mirror
I'm on Windows 10 PRO and have regular (but not too frequent) backups of my system.
The system ...
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Could someone, anyone, help me rebuild my RAID 10 array please?
A little background information just to help (hopefully)... I was doing a backup from my Synology box over the weekend and all was going very well up until Sunday morning when I've tried to re-connect ...
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Cannot understand disk architecture on Synology NAS RS3412RPxs : is /dev/sdkb3 a physical or logical disk?
I have the following synology RS3412RPxs NAS :
$ uname -u
synology_bromolow_rs3412rpxs
$
with the following MD-RAID array rebuilding /dev/sdkb3 on the RX1211rp-1 extension unit :
$ sudo mdadm -D /...
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Assemble raid6 array from spares only
This question is related to Managing raid6 device with pacemaker, but nothing in the question linked is relevant to this question, except the fact that Pacemaker is involved.
For the purpose of this ...
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chunk, ext4 stride and strip-width size for RAID level 1?
the man page for mdadm says: "[chunk] is only meaningful for RAID0, RAID4, RAID5, RAID6, and RAID10." i.e. it does not apply for raid1. even if you pass the value, it will say ignoring ...
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Managing raid6 device with pacemaker
I am setting up 4 hosts, each exporting one local storage device over iscsi with target. Every other hosts imports it such that each host has concurrent access to all 4 each storage devices. I built a ...
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Take one disk of external mdadm data raid 1 to travel
I have a mdadm software raid 1 on external disks with media data.
For travel I want to take the data with me.
I imagine to set the raid and the underlying filesystem in readonly mode and take just ...
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