1
vote
1answer
328 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 ...
4
votes
1answer
3k views

How do I create a RAID5 at installation of Ubuntu 12.10?

For the life of me I cannot find the way to create a RAID 5 set while doing a clean install of ubuntu 12.10. It appears the "Alternate" installation disk either doesn't exist or I am looking in the ...
3
votes
1answer
270 views

Improving virtual Ubuntu hdd performance running on Windows host

I have a Windows 2008 R2 server with: 1 x 80GB SCSI, partitioned: 100MB reserved 79GB NTFS windows 2 x 1TB SCSI HDD running in a hardware RAID 0 striped configuration, partitioned: 7GB RAW (left ...
0
votes
1answer
608 views

Ubuntu 12.10. Can't format root partition at installation time

I'm trying to install Ubuntu 12.10 on a Supermicro storage server and have an issue. I am using alternate (text-based) installation cd image and when I get to the Detect disks section it says there ...
1
vote
0answers
155 views

How do I setup RAID5 on 12.10 server without including system boot disk (after install)?

I have installed Ubuntu 12.10 Server on my HP Microserver. I installed it onto an SSD and now have 4 1TB HDD which I want to configure as RAID5. How do I go about doing this, can I do this from the ...
0
votes
1answer
391 views

How can I solve my RAID installation problems?

Trying to install Ubuntu Server 12.10 64-bit (also tried 12.04.1 64-bit LTS) with a RAID5 array but machine does not boot grub (I get the black screen with the blinking cursor), and I have tried ...
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 ...
0
votes
1answer
4k views

How to make GRUB2 detect and boot Ubuntu on a RAID 1?

grub 2 is unable to detect /dev/md1 which is a raid 1 drive on my computer. When I press c in grub menu and run ls I get a list of all the drives but don't see md1 for booting Ubuntu which is on ...
1
vote
0answers
303 views

ubuntu and external RAID enclosure with eSata (no portmultiplier)

First of all, this is my virgin question here so bear with me, I'm trying to include the infos I think are needed, if something is missing I'd be happy to provide it if you tell me what it is. On to ...
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
2answers
3k views

Add two new HDD in Raid 1

I just made a fresh install of Ubuntu 12.10 on a new SSD (/dev/sda). Now I would like to add two 1TB drives (/dev/sdb /dev/sdc) in RAID 1 but I'm pretty clueless on how to do it. This is what I came ...
1
vote
0answers
1k views

ubuntu 12.10: raid 5 array degraded on every boot [closed]

I'm running ubuntu 12.10. I've set up raid5 using 3 HDDs: /dev/sda, /dev/sdb, and /dev/sdc. However on every boot I get this screen: Which says raid level 5 active with 2 out of 3 devices, ...