0
votes
1answer
13 views

Grub2: Disk not found trying to boot LVM partition on raid1 set

I'm having difficulty booting from an LVM logical volume which is stored on a raid-1 physical volume. Using Ubuntu 13.10 and Grub2 2.00. The setup is that /boot/grub is on a physical raid-1 set. ...
0
votes
1answer
28 views

How to partition for a successfull boot with raid5 + lvm +encryption

I have been trying to make this setup work for several days. The system never boots... When I do a setup without the software raid I can get it to work. How should I set up my system partition to be ...
0
votes
0answers
38 views

Server 13.10, Raid1, LVM, EFI booting on 2nd disk

I've read a whole bunch of posts of trying to get your Raid1 to boot up on the second disk if the first one failed. Nothing has failed yet, but I'm trying to test my setup. 2nd drive comes up with ...
2
votes
0answers
15 views

How to remove encryption from volume during installation

I'm currently in the process of installing Ubuntu Server 12.04 onto a fresh build. I have two 3TB hard drives that I'd like to run in software RAID 1, and was following this tutorial. During ...
1
vote
0answers
25 views

How to fix broken upgrade on Ubuntu Server on USB thumbdrive with Encrypted LVM

Oh woes is me: I decided to do a do-release upgrade on my workstation and managed to bork my production workstation. My setup was as follows: 32GB usb key that Ubuntu Server booted from - this ...
0
votes
0answers
208 views

Can't boot gpt + raid + lvm disk

I bought a pair of 3Tb disks to replace some existing 2Tb disks in my Kubuntu system. I partitioned them both using GPT, making a small "bios_grub" partition on both: root@allhats2:~# parted /dev/sda ...
0
votes
2answers
1k views

XFS File System Fails - Can't read Superblock

After this (Iomega Home Media disk corruption - data recovery help asked) problem solved... i have a new one.. I'm trying to understand why my Iomega Home Media Stopped working, and need for that to ...
0
votes
0answers
235 views

Ubuntu Lucid/12.04 manual installation with RAID/LVM

My goal is to install Ubuntu 12.04 LTS using two 1T disks with mixed LVM over RAID. I am running the installation using the mini ISO (bad quality CDs had read error when I tried to use server ISO, so ...
0
votes
0answers
120 views

How can I make my system bootable again after transfering it from an smal HDD to a RAID 1 Volume

I'm trying to move my Ubuntu system from a 320GB Disk to a Raid1 Volume. Based on the artikel: How do I move my LVM 250 GB root partition to a new 120GB hard disk? What I have done so far: ...
1
vote
2answers
534 views

mdadm automount

I have a system running ubuntu 13.10, booting from a 50GB SSD. Attached to the motherboard are also three 2TB disks. configured into a 4TB RAID array. After ubuntu boots, I can mount the RAD volume ...
1
vote
1answer
798 views

RAID5 over LVM on Ubuntu Server 12.04.3

I'm trying to create a RAID5 software array using LVM. I use VirtualBox as I'm only learning how LVM works. So I've created 4 virtual SCSI drives and then did the following: pvcreate /dev/sd[b-e] ...
0
votes
3answers
4k views

How to install Ubuntu server with UEFI and RAID1 + LVM

I used to install my servers with LVM over software RAID1, and grub install on the MBR of both drives. Now I have an UEFI server, and the compatibility (BIOS) mode does not seem to work. So I went ...
1
vote
1answer
213 views

Boot up problem: P FIFO DMA_PUSHER MEM_FAULT

I have been trying to solve this issue on my own, but no luck so far. What I have tried in order to clear the fault is: blank all HDDs back to factory state did a full RAM error check (passed ...
0
votes
1answer
91 views

Using LVM2 RAID on Ubuntu 12.04 LTS

I would like to use LVM2's built-in RAID support (lvconvert -m1 --type raid1 vgname/lvname) on my Ubuntu 12.04 LTS server. Unfortunately this feature appeared in LVM2 2.02.89 (assuming I've read the ...
0
votes
0answers
191 views

Add additional drives to existing raid 1 mirror to expand storage space (Mirrored JBOD)

I hope you can help me out. First to qualify this, I am not the most linux savy, so please don't bash me if I say something stupid :) I have a media/file server built on 12.04 with two 3TB drives in ...
0
votes
0answers
182 views

Raid superblock missing on single parition. Recovery needed!

Ok so I have a 2 TB raid 1 setup that has three partitions: sdc1: linux sdc2: swap sdc3: LVM for data However the LVM will no longer mount. So I thought that I would take the first drive, mount it ...
4
votes
2answers
10k views

Setting Up RAID During 13.04 Install

I am attempting to install Ubuntu 13.04 Desktop on RAID 5, but I can't figure out how to do it. I have read that it can be done during the install, though I haven't found a good explanation of how ...
1
vote
1answer
329 views

LVM2 builtin raid - how to check raid status

I just created LVM2 builtin RAID1 (something like lvm mirrir, but newer) with lvconvert --type raid1 -m1 /dev/ubuntu/root /dev/sdb5, Ubuntu 12.10. How can I check mirror status/health both in ...
0
votes
0answers
183 views

raid/lvm /sys/block/md1/queue/scheduler = none?

cat /sys/block/md1/queue/scheduler none I don’t know what that means as a scheduler. pvscan PV /dev/md1 VG vg00 lvm2 [1.63 TiB / 0 free] Total: 1 [1.63 TiB] / in use: 1 [1.63 TiB] / ...
4
votes
1answer
308 views

Can't boot after converting lvm2 root to lvm2 raid1

I have Ubuntu 12.10 (no updates, kernel 3.5.0-17-generic) on first HDD (sda), which uses MBR and was partitioned as "Use whole disk for ubuntu" with LVM2 enabled. Root filesystem is on LVM2 ...
1
vote
0answers
588 views

Ubuntu 13.04 will not erase previous Ubuntu with RAID

When trying to do a clean installation of Ubuntu 13.04 on a system that has a RAID controller and RAID5 volume set and also had Ubuntu 11.04 installed will not allow me to delete the RAID or even ...
3
votes
0answers
220 views

lvm disappeared after disc replacement on raid10

here my problem: I am running ubuntu 12.04 on a raid10 (4 disks), on top of which I installed an lvm with two volume groups (one for /, one for /home). The layout of the disks are as follows: Disk ...
0
votes
1answer
178 views

Hardware RAID1 device is the wrong size/too small?

My motherboard has an Intel RAID controller. I set up 2x3TB HDD in RAID1 named "Home". This should make a single device that is about 3TB. This is what I end up with: # fdisk -l Disk /dev/sda: 240.1 ...
2
votes
0answers
184 views

How to choose LVM mapping mode when installing Ubuntu server 12.04?

I would like to create a volume group with striped mode on top of 2 RAID-1 devices. The issue here is I cannot choose striped when configuring LVM at installation stage. It's always be linear.
1
vote
0answers
183 views

2x SSD like one drive 12.10

I want to do a clean install of ubuntu 12.10. I got 2x 40GB SSD's. I want to have them like one drive. (like RAID0), is there a way to do this with LVM, in the graphical Ubuntu 12.10 installation? I ...
1
vote
1answer
405 views

Is the Alternate Ubuntu installer still required for LVM or Software RAID setup?

Over the past 5 years, I have been setting up Ubuntu servers using the Alternate installer. I need to provision a new server today, and I'm curious if the Alternate CD is still the only way to setup ...
1
vote
0answers
293 views

New 12.04 Install on RAID 0 with encrypted LVM for home AND swap?

I have an Asus laptop with 2 new 320GB WD hdd's. I want to do a Raid 0 install, but want to put both my / and swap partitions under encrypted lvm for security. What is the best way to do this from the ...
1
vote
2answers
110 views

Is there a way to upgrade a machine which is using software raid and LVM to 12.10?

I realize Ubuntu has dropped the alternate cd for 12.10, which broke this long-time user's heart. I always do a fresh install when upgrading, but I have software raid and LVM, and as far as I can tell ...
0
votes
1answer
326 views

How to get LVM and RAID1 going in 11.10 server? [closed]

I screwed up my partitioning apparently trying to get LVM and RAID1 going. The machine is an Intel dual core dt with 2 GB of RAM and 2 SATA drives, one 250g and the other 500g. Have onboard gigabit ...
0
votes
1answer
2k views

Can I create a hybrid software-RAID array with disks of different sizes?

Products such as Synology offer something called Synology Hybrid RAID http://www.synology.com/us/products/features/RAID.php This RAID type allows you to make best use of your disks available by ...
3
votes
1answer
5k views

Disks constantly spinning no matter what I do (jbd2). I'm on the brink of insanity

My disks have been spinning for months. It started with Ubuntu 11.10, and continues with 12.04. I can't figure out how to stop it. I've looked at various folks suggestions online about ext4 commit ...
1
vote
1answer
1k views

Sharkoon 5-Bay RAID Box, will it play?

I'm looking to expand the storage capacity of my home server running on Ubuntu Server Edition. Because the server is a small sized mini-ITX cube with room for only 1 HDD, I had the idea of installing ...
3
votes
1answer
2k views

SSD + TRIM + ext4 OK. What about LVM and RAID?

I've read that SSD TRIM is now supported in the recent kernels with ext4 too (see How to enable TRIM? ). Is it OK/safe to enable TRIM when having a) LVM b) RAID1+LVM? Thanks!
2
votes
1answer
532 views

Is Error Recovery Control or TLER necessary for software RAID5 using LVM

I ave been told that for RAID configurations you don't what to use standard desktop drives because they when/if they enter a error recovery mode they might time out and get dropped from the raid. Is ...
1
vote
1answer
4k views

How do I know what physical drives/partitions are behind my /dev/mapper/isw_dghbbcaabe_RAID_Volume11?

This is a just upgraded Ubuntu 10.04.1 LTS machine. The /dev/mapper/isw_dghbbcaabe_RAID_Volume11 is "new" to the upgrade but I don´t know what physical drives/partitions are included in the "device". ...
1
vote
1answer
144 views

Any howtos on de-Xen'ing a box? [closed]

I have a box that has Xen on it. It currently has only one DomU. Given that Xen isn't supported in the newer versions of Ubuntu...are there any good HOWTOs or other instructions for removing Xen? ...