RAID stands for redundant array of independent disks, and allows for disks to be linked in various ways. Common RAID setups in Ubuntu are a hardware RAID, FakeRAID and software RAID.
Questions tagged [raid]
1541 questions
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RAID array doesn't reassemble after reboot
RAID array doesn't assemble after reboot.
I have one SSD from which the system is booted, and three HDD that are part of the array. The system is Ubuntu 16.04.
The steps that I've followed are based mostly on this…
user4338027
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2 answers
LSI MegaRAID SAS hwraid on 16.04
Ubuntu 16.04 is having trouble working with a LSI MegaRAID SAS 9240-4i hardware RAID controller. Has anybody gotten this card to work, or a related model?
Here are some details of what I'm experiencing:
# lspci | grep Mega
03:00.0 RAID bus…
buh321
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1 answer
How to setup Ubuntu on a Motherboard Raid, no alternate image
This is something that took me an extraordinary amount of time to iron out, and the literature is distributed over several websites. I also didn't like the idea of doing it through the alternate CD, as I thought software RAID (slightly) inferior to…
user161703
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How can I create a software RAID drive and install Ubuntu Desktop on that drive?
Since GParted does not support RAID, what tools can we use to create a RAID drive (0,1,5 etc) and then install Ubuntu onto that drive? Assume we are starting on fresh system with no OS.
ssanj
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2 answers
Add raid to existing Ubuntu desktop install
I have a desktop with Ubuntu installed on an SSD. Can I add 4 more drives and put them in RAID 5 (turn it into a NAS) without reinstalling? If so how?
Thanks.
Lysandus
- 123
2
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0 answers
Lost RAID1 after Ubuntu 16.04 update
Last Friday my computer updated to 16.04, but then failed to come back up. I had a RAID1 setup before with two identical disks. Now when I look at the Marvell RAID settings, it seems that only one of the disks is in the RAID, the other is now shown…
K Jones
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1 answer
problem booting with failed software RAID 1
I have been experimenting with a software RAID 1 installation of ubuntu 12.04 LTS in virtualbox, but am having some issues here.
What I basically did: 2 disks in RAID 1. Both disks contain a mirrored partition that has /boot and a mirrored…
aquilares
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- 2
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1 answer
New hard drive not recognized on a Dell Adaptec 2610SA 6 port SATA RAID PCI card
I have a Dell Adaptec 2610SA 6 port SATA RAID PCI card with 3 hard drives on it and everything works fine.
I plugged another hard drive to it and the system (Ubuntu 12.04, 64 bit) seems not to recognize it.
Strange thing is that, as happened in the…
Ragnarok85
- 21
2
votes
1 answer
Cannot resize LVM2 RAID 5 array after adding a new disk
I've Googled until my fingers ache. For some reason, I can't seem to grow my LV after adding an additional (identical) disk to my VG.
I think I've successfully added my fourth disk into the array. Every disk is the same WD 10TB drive (formats down…
Ben Woo
- 21
2
votes
1 answer
Convert existing installion to RAID 1
I have a Ubuntu 19-04 LVM installation I am wanting to convert to RAID 1 using this tutorial here:
https://www.prado.lt/how-to-set-up-software-raid1-on-a-running-lvm-system-incl-grub2-configuration-ubuntu-18-04
Before I try this on my real system I…
Jedi
- 491
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vote
1 answer
Do I have a raid or not?
I am building a new (power) system. MOBO is a ASUS Sabertooth 990FX. I've installed:
1 500GB HD for the OS and user accounts (mounted at /)
Three 2TB drive set up on the BIOS as a single raid0 (mounted at /raid)
The issues is that I cannot…
1
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1 answer
how to mount raid
I have the following funny experiment.
I used a live usb to install ubuntu server 12.04 i386 and webmin on a usb plugged to an intel ss4200-e, i would like to make a headless samba server out of it.
webmin shows the following situation on the…
Malkavian
- 109
1
vote
0 answers
Rebuilding RAID 10 after crash
I am running a RAID 10
The structure
1x USB drive contains the systems and is the bootup disk.
4x 2T drives contain the RAD10 Array.
What happened:
• 3x 2T disks and 1 x 1.5T disk
• Recently the 1.5T disk failed.
• I replaced the disk with a…
1
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1 answer
Copying RAID 5 hard drives
In 2008 or 2009, I put together a server that had four 200GB disks in RAID 5. The server doesn't work any more, but I still have the disks.
I can't easily put all of the disks into my current system at the same time, but I could put them in one at a…
James Barton
- 107
1
vote
1 answer
RAID - Ubuntu vs. Gentoo
I'm migrating a PC working as file server from Gentoo to Ubuntu. Gentoo doesn't recognize the RAID by BIOS because apparently Gentoo connects with each and every individual hard drive directly.
Anyone knows if Ubuntu works the same way, when RAID is…
