Tagged Questions
0
votes
2answers
291 views
GRUB2 UEFI booting from LVM on RAID (with XEN)
I'm experimenting with booting root filesystem from LVM volume inside the raid (mdraid superblock 1.x) via UEFI with GRUB2. Also I'm using Xen hypervisor.
From grub command line I can see my lvm ...
1
vote
2answers
55 views
Can you use LVM and RAID together?
I heard with LVM you can have very big partitions by fusing hard drives together.
I heard with RAID you can have backups of your data.
Can i, and how would i do this:
With 4 same hard drives, i want ...
0
votes
0answers
88 views
LVM Fault Tolerance without underlying RAID
Here's the plan. I have a new 2TB drive to replace my four dying 500GB drives which are in RAID 6 with LVM over the top of it.
My eventual plan is to buy more of these 2TB drives, and expand the ...
0
votes
1answer
61 views
How to create physical and logical volumes on system reboot
My system is set up so that I take four devices, create a RAID 10 array out of them, create a physical volume, a volume group, and then three logical volumes, and lastly I create filesystems out of ...
1
vote
1answer
398 views
LVM needed for encrypted, expandable RAID?
I am currently building a RAID-5 with three 2TB HDDs on Debian. I am wondering how I could configure my RAID to be encrypted and expandable in the future. I do not need nor want partitions, but must I ...
5
votes
1answer
358 views
A weird issue relate to ext4/lvm/raid-5 after partition recovery
I have 3 hard disks, in the following paragraphs named /dev/sda, /dev/sdb and /dev/sdc, newest came first. Note: /dev/sdc has one primary partition /dev/sdc1, one extended partition /dev/sd2, and 3 ...
1
vote
1answer
674 views
Simple Ubuntu Server - Expanding disk space - adding a new drive LVM, RAID0 existing setup - how?
I have a 1TB ext4 partition mounted at / with all my data and Ubuntu 11.04 (natty) installed.
Now this drive is almost full (I used it as a database server for some processing). RAID0 is ok, I can ...
0
votes
1answer
296 views
LVM vs RAID Home NAS Options
From what I am reading it appears Logical Volume Management might be a better solution for what my plans currently involve.
My current setup consists of 3 1-TB drives all acting as some part of my ...
1
vote
1answer
285 views
Paritions “appear” in my raid 1 array after reboot, and the partitions in the array have changed names
I am moving my Ubuntu install to lvm over raid 1. I created the arrays with only 1 disk initially, planning to add the second disk later. I got the files moved and the system booted up succesfully on ...
3
votes
1answer
990 views
LVM vs /dev/md0 performance problem
I am trying to tune my NAS, running openfiler, and wondering why I'm getting relatively poor read performance from 4 WD RE3 drives in RAID 5.
When I run hdparm on the meta device I get the levels of ...
