0
votes
1answer
40 views

How do I replace LVM root volume with SSD disk on Ubuntu 13.10

I have next partitions: /dev/sda1 → /boot /dev/sda2 → LUKS → LVM /dev/vg1/root → / /dev/vg1/home → /home /dev/vg1/opt → /opt /dev/vg1/var → /var /dev/vg1/tmp → /tmp ...
0
votes
0answers
55 views

Ubuntu Server: SSD + existing LVM disks

I'm currently using the following setup for a home NAS server: - Debian installation on a 150 GB HDD (with LVM) - A logical volume of 4GB that consists of 2 2TB disks I would like to replace the HDD ...
14
votes
1answer
9k views

How is Trim enabled?

I have heard, that Ubuntu 14.04 will have Trim enabled by default. How will this be done? By adding a discards option to the ext4 mount options or by running a cron-job? Will the default options for ...
0
votes
1answer
61 views

How to extend logical volume swap space to atleast 64 GB on SSD

My current configuration of physical volumes is as follows. --- Physical volume --- PV Name /dev/sda5 VG Name vgssd PV Size 190.89 GiB / not usable ...
0
votes
0answers
39 views

is it necessary to enable discard on logical volumes if lvm is configured with “issue_discards”?

LVM has a option issue_discards. If this option is set, does it make sense using discard on filesystem level (ext4 here) for filesystems being created in a LVM logical volume?
0
votes
1answer
92 views

Where can I find what filesystem lvm2 uses/

After a default installation of Xubuntu (12.10) on a SSD card, I now have the following set up: A SATA disk: /dev/sda1 --> extended /dev/sda5 --> ext4 (mount point: /media/mark/ A SSD disk: ...
1
vote
0answers
186 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
890 views

How to enable TRIM on LVM on Ubuntu 12.10?

When I reinstalled Ubuntu 12.10 64-bit on my SSD, I chose the option to use LVM in Ubiquity. I am trying to find out how to enable TRIM for my SSD. I came across this article: ...
1
vote
1answer
329 views

Run fstrim from LiveCD

A few years ago I installed Ubuntu 10.04 with LVM + LUKS on a system with SSD, TRIM was not enabled. Now I want to install Ubuntu 12.04 on the same SSD. I have found a guide explaining how to enable ...
0
votes
1answer
821 views

Should I use Logical Volume Management and Encrypt the installation on SSD?

Should I enable Logical Volume Management on my SSD? What i want to know is if enabling either encrypt the "encrypt the new ubuntu installation for security" option or the "Use LVM with the new Ubuntu ...
5
votes
1answer
2k views

Setting up lvm with HDD and SSD

My current hard drive is just about full and rather than just toss it and get a new one (since it works fine), I want to get a new drive and set them both up using lvm. While I'm at it, I also want to ...
7
votes
3answers
4k views

How should I configure TRIM Support for LVM logical volumes?

I am setting up a notebook for software demo purpose. The machine has a Intel Core i7 CPU, 8GB RAM, a 128GB SSD, and runs Ubuntu 12.04 LTS 64bit desktop. As it is, the SSD is configured to have a ...
1
vote
1answer
686 views

Adding physical volumes to LVM partitions - what happens to existing files? And general SSD optimization

I've got two drives in my laptop, a 120GB SSD and a 320GB hard drive. Ubuntu (11.04 amd64) is on the hard drive, set up using LVM. Now, I got this SSD recently, and I want to put Ubuntu on it for ...
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!