similar to: LVM vs Physical Disk Encryption

Anybody know a way to enlarge a filesystem ext3 without having to unmounted it, when they are still space left in the volume group (when using LVM) ? I will be running large production linux system running Oracle. I can't stop the database everytime I have to enlarge a filesystem. We can do it with all others filesystems (JFS, REISERSFS and XFS) when they are created in a volume group. Why

Not a centos specific question here, but if anyone can save me from shooting myself in the foot would appreciate any pointers.... I have an older centos 4.7 box that I recently replaced with a newer one running centos 5.3. I'd like to add the hard disk from the older one to the newer one before I scrap it for good. I don't care about the data on it, would just like the extra drive

On Thu, Mar 5, 2015 at 10:25 PM, Tim <lists at kiuni.de> wrote: > Hi Chris, > > thanks for your answer. > > It is the first time I decided to encrypt my lvm. I choosed to encrypt the > volume group, not every logical volume itself, because in case of doing lvm > snapshots in that group they will be encrypted too? Yes, anything that's COW'd is also encrypted in

Hi all I accidentally deleted a LVM volume directly (rm /dev/System/newcpanel) and now my LVM's are all messed up. I have a snapshot from one of the other LVM's, as follows lvcreate -s -n newcpanel /dev/System/wiseguy -L10G But, instead of running lvremove /dev/System/newcpanel I ran rm /dev/System/newcpanel ( I don't know why) So, now I have waisted space on my server, and I

Hello, When I needed to build Xen guests under Debian I could follow more or less the instructions in http://preview.tinyurl.com/2oc48r and the advantage of this approach is that it allows me to setup the Xen guest directly on the LVM partition without making it consider the LVM partition as an entire disk with a partition table. The advantages of this approach are: 1. I can add more LVM's

Hi, I''m trying to setup my box as described below: - The Dom0 exports two disks as physical devices to the DomU - DomU use the two devices to assemble a software raid device (/dev/md0) - On the /dev/md0 I create a lvm volume group and lvm volumes on it. Everything seems to work fine if the lvm volumes on the DomU are lightly used. Under heavy load the DomU freeze up immediately. The

On Thu, Mar 5, 2015 at 2:09 PM, Tim <lists at kiuni.de> wrote: > Hello list, > > I bought a Thinkpad T420 and installed CentOS 7 recently. > > I choosed to use lvm encryption for the entire volume group. It works so far. > > But now I am planning to install a second hard disk. My thought is to create a new volume group on this additional disk. > > But how can I

On 03/05/2015 06:58 PM, Chris Murphy wrote: > On Thu, Mar 5, 2015 at 2:09 PM, Tim <lists at kiuni.de> wrote: >> Hello list, >> >> I bought a Thinkpad T420 and installed CentOS 7 recently. >> >> I choosed to use lvm encryption for the entire volume group. It works so far. >> >> But now I am planning to install a second hard disk. My thought is to

After some extra reading about LVM snapshots & Gluster, I think I can conclude it may be a bad idea to use it on big storage bricks. I understood that the LVM maximum metadata, used to store the snapshots data, is about 16GB. So if I have a brick with a volume arount 10TB (for example), daily snapshots, files changing ~100GB : the LVM snapshot is useless. LVM's snapshots doesn't

On Tue, 23 Jun 2015 14:23:52 -0400 Mauricio Tavares <raubvogel at gmail.com> wrote: > On Tue, Jun 23, 2015 at 1:54 PM, Marko Vojinovic <vvmarko at gmail.com> > wrote: > > On Tue, 23 Jun 2015 11:15:30 -0500 > > Jason Warr <jason at warr.net> wrote: > >> > >> I'm curious what has made some people hate LVM so much. > > > > (3)

Is there a simple way to directly install a vm on an lvm (or proably seperate LVM's for root and swap)? For example something like: lvcreate -L 10G -n testvm_root vg_myvg lvcreate -L 1G -n testvm_swap Then somehow setup the VM to be able to directly install and boot the vm from these LV's. How do I do this? Could you then pause the virtual machine and safely take an LVM snapshot,

I'm sorry, but grep -i crypt /var/log/anaconda/anaconda.program.log returns nothing. But I have got an entry in /etc/crypttab. I only found this with grep -i luks /var/log/anaconda/anaconda.*: /var/log/anaconda/anaconda.storage.log:20:47:55,959 DEBUG blivet: LUKS.__init__: /var/log/anaconda/anaconda.storage.log:20:49:25,009 DEBUG storage.ui: LUKS.__init__:

Hello list, I bought a Thinkpad T420 and installed CentOS 7 recently. I choosed to use lvm encryption for the entire volume group. It works so far. But now I am planning to install a second hard disk. My thought is to create a new volume group on this additional disk. But how can I integrate/do this according to the existing encryption so that it will be decrypted by the same passphrase I use

Hello Boris, On Tue, 2015-08-25 at 15:59 -0400, Boris Epstein wrote: > We have a Centos 6 VM (64 bit) running on a VMware vSphere 5.5 server. It > was running just fine until one day I decided to reboot it and it just > would not boot up. Effectively, dracut failed to initialize the LVM, much > like under the scenario described here: > >

How many people use LVM's in their production servers? Are they reliable for use in these sorts of systems? I am asking this because i was reading the LVM Howto about upgrading discs etc. Regards, Peter

Hi Chris, thanks for your answer. It is the first time I decided to encrypt my lvm. I choosed to encrypt the volume group, not every logical volume itself, because in case of doing lvm snapshots in that group they will be encrypted too? And how do I create a new encrypted volume group? Regards Tim Am 6. M?rz 2015 01:58:23 MEZ, schrieb Chris Murphy <lists at colorremedies.com>: >On

On Feb 22, 2017 7:45 AM, "Bernard Fay" <bernard.fay at gmail.com> wrote: Hello, I have a CentOS VM with only one disk on a Xenserver. The disk has 2 partitions: /dev/xvda1 -> /boot /dev/xvda2 -> a physical volume for LVM I added 5GB to this disk via Xencenter to extend /dev/xvda2. Usually I just have to do "pvresize /dev/xvda" to have the additional space

On Tue, Jun 23, 2015 at 1:54 PM, Marko Vojinovic <vvmarko at gmail.com> wrote: > On Tue, 23 Jun 2015 11:15:30 -0500 > Jason Warr <jason at warr.net> wrote: >> >> I'm curious what has made some people hate LVM so much. I have been >> using it for years on thousands of production systems with no issues >> that could not be easily explained as myself or

On Fri, Feb 27, 2015 at 9:44 PM, John R Pierce <pierce at hogranch.com> wrote: > On 2/27/2015 8:00 PM, Marko Vojinovic wrote: >> >> And this is why I don't like LVM to begin with. If one of the drives >> dies, you're screwed not only for the data on that drive, but even for >> data on remaining healthy drives. > > > with classic LVM, you were

Marko Vojinovic wrote: > On Tue, 23 Jun 2015 14:23:52 -0400 > Mauricio Tavares <raubvogel at gmail.com> wrote: > >> On Tue, Jun 23, 2015 at 1:54 PM, Marko Vojinovic <vvmarko at gmail.com> >> wrote: >> > On Tue, 23 Jun 2015 11:15:30 -0500 >> > Jason Warr <jason at warr.net> wrote: >> >> >> >> I'm curious what has