0
votes
1answer
8 views

Debian Installer Partman and reserved blocks

I did this preseed configuration but I'm unable to remove the percentage of reserved blocks directly from the partman recipe. It seems that the option "partman-basicfilesystems/specify_reserved" is ...
1
vote
2answers
23 views

Mounting disk partition inside LVM

I have a logical volume what's used for a xen disk: Disk /dev/d0_vg/backup: 10.7 GB, 10737418240 bytes 1 heads, 1 sectors/track, 20971520 cylinders, total 20971520 sectors Units = cylinders of 1 * ...
-2
votes
0answers
18 views

Can I allocate free space and create new partition from mounted logical volume? [duplicate]

This is the current state of my logical volumes: # pvs -o+pv_used PV VG Fmt Attr PSize PFree Used /dev/sda2 vg_ecomwise lvm2 a-- 465.27g 0 465.27g # lvs -o+lv_size LV ...
0
votes
0answers
14 views

does the number of lvm logical volumes affect ssd performance

Please let me know what your thought are on this. I've installed Ubuntu multiple times on a msata ssd mS200S3 120GB. There is a noticeable decrease of read performance on the exact same hardware for ...
1
vote
1answer
37 views

How to automatically increase the partition size of multiple Ubuntu nodes in VMware vSphere?

We have dozens of Ubuntu nodes where I have to resize the hard disk drive to different sizes. Currently I’m doing all of the following steps manually: Increase the size of each node’s virtual hard ...
0
votes
2answers
39 views

Why the root partition is not reduced after attaching new partition to the /var directory?

This is my disk state before attaching new virtual disk: Filesystem Size Used Avail Use% Mounted on /dev/xvde1 4.9G 4.6G 1.3M 100% / tmpfs 828M 0 828M ...
5
votes
1answer
371 views

Are ZFS pools or LVM volume groups more reliable for utilizing many partitions?

When deciding whether to use LVM volume groups or ZFS pools in configuring new file servers, what needs to be considered? Is there a "better" choice in the realm of multi-purpose file servers? Unlike ...
0
votes
1answer
61 views

size of extent on LVM2

in LVM1 there was a limit of 65k extends. So size of extent had to been chosen carefully between wasted space on partitions (to big extent) and maximal possible size of logical volume (too small ...
2
votes
2answers
76 views

Should I really leave some space unused with LVM partition?

I am migrating to a new server where I'm going to use LVM partitioning on a RAID 1 array (2 hard drives). I have read some tutorials which advise to leave some space unused so that I can expand the ...
2
votes
1answer
89 views

How can I resize my logical volume in CentOS6?

I increased the provisioned size in the Vsphere client to 32GB and I used gparted to resize the VG to 32GB --- Physical volume --- PV Name /dev/sda2 VG Name vg_proxy ...
0
votes
1answer
211 views

Unable to automatically remove LVM data

I am trying to install ubuntu 12.04 via preceed config onto Dell PowerEdge R710. I had RedHat installed on the box then I tried installing ubuntu 12.04, then auto install popping with Unable to ...
0
votes
1answer
140 views

Is it a good practice to put all partitions into LVM? [closed]

I would like to know what is the best practice regarding the partitioning policy, especially when it comes to Logical Volume Manager. Is it better to put the entire partitioning into LVM or use it ...
1
vote
1answer
97 views

Breaking off /tmp using LVM

I've recently been put in charge of a RHEL6 server running our NMS. I don't know much about Linux filesystem administration. What I'm needing to do is create a partition for /tmp, instead of having it ...
2
votes
1answer
129 views

Linux backup in-place (no unmount) solutions [closed]

I have an Ubuntu server that I'd like to backup on a daily basis. I want to be able to restore the entire system with the click of a few buttons (or keystrokes). Also, I don't want to bring down / ...
-1
votes
2answers
126 views

Recommended solution to join partitions (disks) into single partition [closed]

I have 4 hard disks (1 Tb each) on server. It's debian wheezy, amd64. Disks 2,3 and 4 are not partitioned yet. I have to join them into single partition, it must be single filesystem/mountpoint for ...
0
votes
1answer
73 views

Shrink a mounted LVM partition

I fear I already know the answer to this question, but here goes. I need to carve out a new partition on a running system. /var/ is mounted from an LVM volume (hdd1_vg-var) and has only 3% used disk ...
0
votes
1answer
109 views

Add new partition to Centos hard drive

My hard drive currently has (I believe) 2 partition; boot (sda1) and everything else (sda2?). Some of the hard drive is also being used as swap memory, but I don't really understand how that effects ...
3
votes
1answer
665 views

What is the difference between the Linux and Linux LVM partition type?

Fdisk shows multiple partition types. What is the difference between choosing 83) Linux and 8e) Linux LVM? Choosing 83) Linux also works fine for using LVM, even creating a physical volume on ...
0
votes
0answers
255 views

Raid superblock missing on single partition. 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 spare drive, mount it ...
1
vote
1answer
240 views

is there any advantage mounting an LV by UUID instead of by path?

I know I can specify mounts in fstab by either putting their path (like /dev/sda1 or /dev/mapper/myvg-logicalVolume1) or by fs label (LABEL=root) or by UUID (UUID=1234-5678-...). I see a clear ...
0
votes
0answers
74 views

How to install a Debian on the remote Server with running Debian alreadz?

There are many tutorials (e.g. the main I think: D.3. Installing Debian GNU/Linux from a Unix/Linux System), how to install a new Debian from one another. But they all sounds for me like you need a ...
0
votes
1answer
103 views

How to resize LVM group wheen 4 partitions already in system?

Centos, I have already expanded Virtual disk in Vmware, now i need to add additional space to LVM Group but most tutorials out there are saying to create new partition and add it to LVM. Since there ...
4
votes
1answer
134 views

Logical Volume Recovery

I have a machine with 180 or so logical volumes as well as an OS partition that were wiped out with a format when reinstalling centOS6. I made a terrible mistake, not being familiar with the interface ...
1
vote
2answers
309 views

can't resize root at Ubuntu Server 12.04 LTS

I've done lvresize -L 264G 101/root (was 15GB) but /dev/mapper/101-root shows 13Gb. What am I doing wrong? I really appreciate the help! root@server1:/home/user# df -h Filesystem Size ...
0
votes
1answer
164 views

how to resize ufs partition on linux

is there a way to resize a lvm partition after processing dd command? /dev/vg0/disk1 is 1G /dev/vg0/disk2 is 5G after a dd partition, the size of /dev/vg0/disk2 become 1G. dd if=/dev/vg0/disk1 ...
0
votes
1answer
62 views

LVM can I extend a logical volume across 2 volume groups?

I resized my /opt which was the only logical vol in vg2 but I want to give that freed space back to / which is on vg1. Is this possible? pvscan output below. I want to grow my / partition which is ...
0
votes
2answers
328 views

Trouble enlarging a lvm2 partition - “New size matches existing size”

I have a VM running Ubuntu. It used to have 30GB of space; I need to increase the size of the data partition, a LVM2 one, to 50GB. I changed the size in the VM's management console and this is what ...
0
votes
1answer
325 views

Reduce root LVM Parition Centos 6.3

I installed Centos 6.3 as a KVM guest OS, and used the default partition settings. Now I noticed that my / partition is 50GB and my /home is only 20GB. I want to increase my /home to atleast 50GB and ...
1
vote
1answer
77 views

Extending Ubuntu LV - added new HDD

I have installed a new hard drive into my pc and followed this guide to extend the logical volume but I have barely gained any space? ...
1
vote
1answer
113 views

Can LVM and Traditional Partitions Coexist?

Can you set up a machine in which different drives are formatted as either LVM volumes or as traditional partitions and mix and match the two? For e.g. have the LVM volume mounted as / and /home and ...
1
vote
1answer
168 views

kvm/vmbuilder partitions are smaller than they should be, 10% of logical volume always unallocated

I use the vmbuilder tool to create KVM virtual machines on my ubuntu host system. For each vm I set up a vmbuilder.partitions textfile in which the partition sizes for the vm are defined. As simple ...
1
vote
2answers
215 views

A proper way to split a partition and move directory

Currently, I have Ubuntu 12.04 set up with the following partitions: 500G disk with LVM 80GB root   4GB swap_1 I want to move the folder /opt to a new LV, for example: 500G disk with LVM root ...
0
votes
0answers
71 views

Create a Rawdisk from LV with partitions

For emergency in my old machine (CentOS with Xen server) i made clone my LVs with dd example: dd if=/dev/vg/lv0 of=/backups/vg_lv0.dd now in my new machine i've created a LV with the same size ...
1
vote
0answers
68 views

Setup cloadmin on Centos installed in LVM

I installed CentOS 6 with default LVM partition pattern. according to this pattern Can I use Cloudmin and store KVM Disks in LVM as Logical Volume?
5
votes
2answers
127 views

Accessing the partitions on an LVM volume

Suppose you have an LVM volume /dev/vg0/mylv. You have presented this as a virtual disk to a virtualised or emulated guest system. During installation the guest system sees it as /dev/sda and ...
3
votes
1answer
2k views

LVM logical volume partition corrupted after lvreduce

I encounter the problem when I try to shrink one logical volume. I took the actions as following steps shows: # unmount /home # lvreduce --size -100G /dev/vg_dev/lv_home # lvdisplay ...
3
votes
2answers
1k views

Rebalance CentOS / RHEL Ext4 LVM assignment

Our corporate standard is CentOS (which seems to prefer LVM), and I come from primarily a non-LVM background, so I'm treading new ground with this issue. I inherited an older machine as a log-server ...
0
votes
1answer
486 views

Resize Logical Volume Group

Hi ServerFault Community. To this volume group: --- Volume group --- VG Name virtual-machines System ID Format lvm2 Metadata Areas 1 ...
1
vote
1answer
300 views

Shrink the size of LVM volume

I'm trying to shrink the size of Logical Volume --- Logical volume --- LV Name /dev/vg_linuxph53/lv_home VG Name vg_linuxph53 LV UUID ...
1
vote
2answers
1k views

Modifying partitions in CentOS 6

Ladies & Gentlemen, I'm currently running CentOS6 6 with 300 GB of storage space. Currently, /dev/sda looks like this (via parted): Number Start End Size Type File system Flags 1 ...
-2
votes
4answers
420 views

How can I create one big volume from multiple drives, but loose only the files stored on one disk if it fails?

I am running a storage system. Fault tolerancy is handled at application level (files are stored on multiple servers, even datacenters). Therefore I don't need nor even want redundancy within one ...
2
votes
2answers
221 views

16tb raid6 + lvm, to partition or not to partition?

So I have a 16tb raid6 on one of a new batch of machines I am setting up. I will be using LVM on top of this and am wondering if there are any compelling reasons to break the raid up into partitions ...
2
votes
1answer
971 views

why does my lvm2 volume group only work with multipath device mapper and not powerpath

my server is Oracle Enterprise Linux 5.4 (RHEL5) on an hp blade (x64) with qlogic HBAs connected to an EMC clariion SAN. we are migrating from multipath to powerpath because emc and the company ...
4
votes
4answers
13k views

How to extend a Linux PV partition online after virtual disk growth

VMware allows to extend the size of a virtual disk online - when the VM is running. The next expected steps for Linux system are: extend the partition: delete and create a larger one with fdisk ...
0
votes
1answer
393 views

How to access partitions inside a logical volume from the host machine?

On a Virtual Machine Host Server I have a logical volume, /dev/my_volume_group/some_disk. The Logical volume "some_disk" has two partitions on it that were created by the guest machine. A swap and an ...
0
votes
1answer
474 views

Increasing Virtual Disk in VMWare doesn't show new space is Available in LVM

I have inctreased the size of my virtual HD from 79GB to 100GB on VMWare ESXi 4.1 Virtual Machine http://screencast.com/t/j6Y2SmLES3P7 after that I have restarted VM but when I go to VM ...
4
votes
2answers
2k views

Can I install Xenserver with larger local storage?

I installed XenServer 6.0 on a machine with 2 drives (80GB SSD and 1TB SATA). My goal is to have some space for local storage where I can put ISO (since it will be very difficult to access the box ...
2
votes
1answer
344 views

LVM directly on whole SAN volume vs. LVM on single, whole SAN volume spanning partition

I am wondering what the advantages and disadvantages of the following two scenarios are. LVM physical volume directly on SAN volume pvcreate /dev/sda LVM physical volume on a single partition, which ...
0
votes
1answer
105 views

Undo LVM on Fedora 13?

I had lost my boot partition. This happened quite frequently. I used to boot for recovery and rewrite the existing partioning. Last time I missed the correct option and installed LVM by mistake. Is it ...
1
vote
3answers
638 views

Increase Linux Partition dynamically?

Here is what I have on my Linux Box [root@linxuph53 logs]# df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg_linuxph53-lv_root 38G 11G 26G 29% / ...