All Questions
508
questions
-1
votes
2
answers
471
views
Unwanted, surprise device mapping causing problems with linux raid
Original title: Unwanted, surprise LVM disk mapping causing problems with linux raid
I've done linux raid on ubuntu for almost a decade but never messed with LVM although I'm vaguely aware it exists.
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- 131
0
votes
1
answer
381
views
Is JBOD or striping better for lots of small files?
I have a server in multi-disk configuration using LVM-on-LUKS in JBOD mode. But I notice in htop that the kernel time in CPU usage is (un)usually very high, and in iotop the jbd2/dm-5-8 and ...
- 28.3k
1
vote
0
answers
140
views
Windows 10 RAID - Readable from Linux?
I've got a Win 10 machine whose hard drive (actually an M.2) is listed as RAID in the UEFI.
Image of Dell Inspiron 15 5501's UEFI.
When booting from a Ubuntu 22.04 USB, the hard drive is not detected. ...
- 724
0
votes
0
answers
81
views
How to create redundant array of assorted commodity hard drives?
Well, I have some good old hard drives and a good idea is to combine them into an array.
For example:
250G
300G
500G
1000G
2000G
(There is also a 3000G drive, but I'll save it for regular backups).
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0
votes
1
answer
652
views
Unable to replace faulty harddrive to rebuild the Raid 1 Array (intel RST Raid 1)
we have HP server HP ProLiant ML10 Gen 9 with Ubuntu 20.04.4 LTS. We have enabled Raid 1 array for two HDD sized 2TB using Intel RST Raid configuration (which is an fake/firmware raid). Now my goal is ...
- 21
0
votes
1
answer
79
views
Raid issue after change to raid 6 from 5 and reboot
I'm hoping somebody with some mdadm experience can help me out.
I did the following and it causes the raid to not mountable after reboot. Is there any chance that it can be saved?
I've used the ...
- 1
0
votes
2
answers
2k
views
Primary GPT table corrupt (RAID-1 and mounted as /home) stopping me reinstalling Linux
Env: Linux TRANQUILITY 5.3.18-150300.59.49-preempt #1 SMP PREEMPT Mon Feb 7 14:40:20 UTC 2022 (77d9d02) x86_64 x86_64 x86_64 GNU/Linux Also OpenSuse Leap 15.3 with KDE Plasma 5
When I run the OS ...
- 125
0
votes
1
answer
1k
views
Set up mirroring RAID, all good. Can it be encrypted after the fact?
That's the question really. More out of fun, I reused an older dormant box to be my documents NAS at home. I attached two 2TB external HDDs and set up mirroring RAID. That all went well and I am happy....
0
votes
0
answers
49
views
Migrate existing RAID5 to RAID10 with new disks
I have the following situation:
Within my Server, i have a RAID5 and RAID1 made out of 3 x 3TB HDDs. Now i want to migrate the whole stuff to a RAID10 made out of 4 x 1TB SSDs.
Actually i have SW ...
- 227
1
vote
0
answers
41
views
Are there any performance issues with allowing a hard drive to become full if the drive is effectively read-only?
I'm fairly confident that the answer is "no issues," but I'm asking here in case there are any quirks that I'm failing to consider.
Context
I have a large storage array (on a Linux system) ...
- 200
8
votes
2
answers
4k
views
LUKS on top of BTRFS raid array
How can I encrypt a partition that's btrfs RAIDed?
Running encryption on top of RAID is the best practice among a lot of sources even recommended by cryptsetup FAQ (see 2.2). The reason I want this to ...
- 183
1
vote
0
answers
216
views
Is it possible to create a RAID from only partial disk?
We have a dual boot system where we install firmare on two partitions, additionally we have a data partition. We have two disks on the system and I wonder if we can create a raid for the data ...
- 121
0
votes
1
answer
279
views
NTFS RAID partition plus Linux and Windows
Periodically I find one of my old photos or other files has become 0Kb and lost. By the time I have found this the backup is the same. So I am considering using RAID 5 or perhaps RAID 1 to ...
1
vote
0
answers
139
views
How do I validate a boot partition in Linux?
I have a Linux machine with two SSD drives as its main drive. While installing Ubuntu 20 or CentOS 8, I partitioned the drives each with a 2g boot partition and the rest as a root partition, then used ...
- 111
1
vote
1
answer
6k
views
Hardware RAID not showing in Ubuntu Server 20.04
I've recently repurposed an older machine I had as a NAS. I just added 4 HDDs to it intending to set them up as RAID 1+0. This is an HP Proliant Microserver Gen8. I set the drives up in the raid ...
- 189