All Questions
68
questions
26
votes
2
answers
24k
views
Best order of RAID, LVM and LUKS
I am going to install a file server with Debian GNU/Linux 8.
I want to have software RAID-1 using mdadm as well as encrypted disks using LUKS. I also like the flexibility of having LVM.
There are ...
- 435
8
votes
2
answers
8k
views
Make two disks appear as one big share on LAN
I bought 2 x 2TB disks for a NAS server, (linux debian). I want to make both drives appear as one big 4TB disk on the LAN. This can be done with software RAID (JBOD) or LVM I suppose.
There are other ...
- 245
7
votes
1
answer
36k
views
System went read-only suddenly
My web server (Linux, Debian Wheezy) has suddenly gone read-only, MySQL have crashed (but Apache didn't) - giving errors when pressing tab to complete file name as:
bash: cannot create temp file ...
- 71
7
votes
3
answers
10k
views
Btrfs over mdadm RAID6?
I have a Btrfs RAID 6** array, and I currently have enough free space to rebuild it to avoid the data loss bug that currently affects the filesystem with this RAID level.
My idea is to rebuild the ...
- 198
5
votes
4
answers
15k
views
New mdadm RAID vanish after reboot
I have problems with mdadm after reboot, I can't reassemble /dev/md0 .
I work on debian wheezy.
I have done the following steps::
sudo mdadm --create --verbose /dev/md0 --level=6 --raid-devices=4 /...
- 51
4
votes
3
answers
12k
views
Debian : Encrypted Raid 1 setup.
We have a Debian X64 server which has the following config. One single 512GB SSD, which has our OS and two 2.0TB HDD's which have data like attachments, etc.
The two 2.0 TB drives are in RAID-1 ...
- 179
4
votes
1
answer
8k
views
Mounting disk(s) from RAID 1 array for data recovery
I'm having some problems with a Debian 7.5 stable (Wheezy) server. It is currently running at Rescue Mode.
It has a 2 x 2000 GB HDD running in a RAID 1 array.
My immediate priority is to be able to ...
- 115
3
votes
1
answer
6k
views
XFS: Mount overrides sunit and swidth options
I have a 9TB XFS partition consisting of four 3TB disks in a RAID-5 array with a chunk size of 256KB, using MDADM.
When I created the partition, the optimal stripe unit and width values (64 and 192 ...
- 33
3
votes
1
answer
9k
views
isw_raid_member (Intel Rapid Storage) on Debian
I have 3 HDD's configured as an Intel Rapid Storage RAID5, configured by my desktop's motherboard (Asus P8Z77-V LX) integrated firmware via BIOS. The RAID is then formatted with an NTFS partition.
In ...
- 33
3
votes
1
answer
248
views
SSD failed, mdadm thinks the RAID0 array is fine
I have a RAID0 array created using mdadm in Debian. sdf is the drive that died.
$ cat /proc/mdstat
md4 : active raid0 sdf1[1] sde1[0]
468859904 blocks super 1.2 512k chunks
$ mdadm --misc --...
- 161
2
votes
2
answers
6k
views
Installing Linux (Debian) with software RAID
As far as I am aware, it is not possible to install Debian 11 directly onto a software raid partition, because this is a "chicken-egg" problem.
To explain: the software raid requires some ...
- 2,974
2
votes
1
answer
1k
views
Replaced a RAID 10 drive on my Debian server - what do I do next?
I have 4 x 3TB drives in a RAID 10 array. One failed, so is now removed.
/proc/mdstat
Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10]
md127 : active ...
- 23
2
votes
0
answers
64
views
System failure shortly after md raid growth and no md superblocks on added disks
tl;dr; I tried to grow my raid array by adding 2 10 tb disks to an exsistant 4x4TB raid 5 array, had a failure with the system disk (not part of the raid) shortly after the growth finished and after ...
- 685
2
votes
2
answers
3k
views
mdadm RAID underlaying an LVM gone after reboot
The main part of my problem ha been discussed here the other time...
... but I have two special questions that haven't been answered before.
The Situation:
I upgraded my hardware, installing two new ...
- 103
2
votes
1
answer
143
views
Am I OK to replace motherboard and add new RAID card with this RAID setup?
This post here:
New motherboard or new PC to gain access to RAID drives
Suggests that if I am using a software raid, I can swap out the motherboard with no issue as long as I am using the same OS.
...
- 21