0
votes
1answer
47 views

LVM - Moving data between Logical Volumes within the same Physical Volume

I will have two logical volumes that exist within one physical volume (RedHat Linux LVM). I will also be moving a lot of data between these LVs. My question is: Does the data get moved on the actual ...
0
votes
0answers
10 views

lvm mirror doesn't resync the logical volulme

I trying to restore one lvm mirror using the old metadata, for restore the config i'm using the command vgcfgrestore -f redhat vgmirror but after the restore of the old metadata, the resync ...
2
votes
2answers
347 views

LVM: Duplicate VG name VolGroup00

I'm on a server that shows a duplicate VG name. How can I rename one of these VolGroups to get rid of this conflict? [root@dev-server dev]# lvs WARNING: Duplicate VG name VolGroup00: ...
0
votes
1answer
91 views

Format and partition device-mapper in LVM

I have a disk on a server: /dev/VolGroup00/LogVol02 that is about 5TB. I would like to format and partition it to make 2 500GB mount points. It doesn't even have to be in LVM. How can I take this ...
2
votes
0answers
35 views

Does the LVM DM UUID contain any metadata?

For example within the name listed below is there any metadata within the name, eg based on server serial number or date created or such: ...
2
votes
1answer
500 views

clvmd problems during the RHEV cluster deployment

We are deploying Red Hat Enterprise Virtualization cluster and we faced a problem attempting to start clvmd service after the lvm partition creating. The following has been completed successfully: ...
1
vote
2answers
64 views

OEL fresh install while keeping old LogVols

I've been asked to install OEL 5.x on a server and setup a disk with a few directories (there's only one disk in the server). So I have an OEL 5.x server wtih multiple log volumes in a volume group: ...
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 ...
1
vote
2answers
303 views

Can I use an expanded VMdisk without rebooting the RHEL-server?

We are running RHEL 6.4 on VMware. I have an OS disk of 20GB and want to expand it to 30GB. I have expanded the disk in VMWare. Is there any way I can let the OS recognize that /dev/sda has grown ...
-5
votes
1answer
113 views

best way to create lvm snapshot of / partition [closed]

I need to know the best way to implement the snapshot of root partition "/" on a kvm guest. What I have is as follows 1- /dev/vda ..... 10G free -- /dev/vda1 boot partition (ext - 83) -- ...
0
votes
1answer
80 views

How can I make the root logical volume smaller without problems and downtime?

[root@tst-01 puppet]# lvs LV VG Attr LSize Origin Snap% Move Log Copy% Convert lvhome vg00 -wi-ao 2.00g lvroot vg00 -wi-ao 38.75g lvswap vg00 -wi-ao 4.00g lvtmp vg00 -wi-ao ...
3
votes
1answer
666 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 ...
1
vote
2answers
148 views

Reallocate Storage in Red Hat 6

Is it possible to (safely) reallocate storage space in /home to the root filesystem? $ df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg_yavin-lv_root 50G 35G ...
2
votes
1answer
235 views

ext4: Online resize not detected

On a RedHat 6 server, we ran into an issue with online resizing of an ext4 filesystem. With only /dev/sda we had 13GB available in the volume group, but needed 20GB more on one logical volume which ...
2
votes
1answer
208 views

Is it possible to resize a mounted LVM partition on the fly?

Situation: We have a server that has a 40GB SAN (Fiber Channel) mounted as /opt/application. If the LUN is expanded to 60GB, what needs to be done to expand /opt/application on the RHEL-server to ...
2
votes
2answers
212 views

VMWare ESXi: to extend a partition or create a new drive?

Is it better to extend an existing partition or to create a new drive in a VMWare ESXi virtual machine? I'll be using LVM to put the drive in an existing volume group on my VM and to extend a SAN ...
1
vote
2answers
207 views

Physical disks comprising a Volume in RHEL

How do I list the physical disks and associated information (disk model, size, etc.) for all disks that are members of a physical volume in RHEL? For example, if I do I "pvscan", I get the following ...
2
votes
1answer
456 views

kickstart partitioning error with LVM

In Kickstart, I keep on getting the error; Adding this partition would not leave enough disk space for already allocated logical volumes in vg_ibus I do not get why I am getting this error. ...
1
vote
2answers
347 views

What kind of performance overhead with LVM on Fusion ioDrive2 as Oracle DB 11gR2's Flash Cache?

This is a bit wordy, so please bear with me. :) We have a RAC cluster of 3 Oracle 11gR2 servers and purchased FusionIO ioDrive2 PCIx cards for these servers to use as OracleDB's Flash Cache. These ...
2
votes
1answer
1k views

Redhat cluster Vs Pacemaker Vs Gluster Vs Sheepdog

Changing the entire question as earlier one was very confusing. I have been exploring different clustering system to run Virtual machines on two different machines on LAN with high availability. ...
-3
votes
1answer
222 views

LVM showing as individual partition in RHEL6

When I create a Logical Volume on my Hard disk and new partition is showing in fdisk -l output. [root@linux1 ~]# fdisk -l Disk /dev/sda: 21.5 GB, 21474836480 bytes 255 heads, 63 sectors/track, 2610 ...
1
vote
1answer
2k views

How to increase filesystem size in RHEL v5.8?

Below is the partial output from the df -h command. Notice /var is setup as its own filesystem but has reached 100% of its 2GB size. How can I increase the size of the /dev/mapper/rootVG-var file ...
2
votes
2answers
566 views

How to keep filesystem layout identical in every RedHat Installation?

I want to keep the following layout same in every installation on the identical servers: dm-0 /dev/VolGroup00/LogVol00 dm-1 /dev/VolGroup00/LogVol01 dm-2 /dev/VolGroup00/LogVol02 dm-3 ...
2
votes
2answers
222 views

reduce fsck time through lvm design considerations

I need to create two 9 TB file systems and i am struggling to design it. how does fsck work under the cover? I have two options: 1. I create two 9TB LUNs at storage and create VG on them and then ...
-3
votes
1answer
219 views

LVM Limitation in any Linux/Unix

What is LVM limitation (space in GB/TB/PB/EB) in any Linux/Unix?
1
vote
2answers
501 views

Dead software RAID CentOS 6

I have a RAID 5 array (with LVM on top) on a CentOS 6 box. The array itself is an LSI StorageTek disk shelf with 14 drives connected to the server with a fibre channel cable. After rebooting the ...
3
votes
2answers
524 views

Reasoning behind RHEL's use of LVM even on a single disk install

When doing a default install of RHEL5 and higher (at least - don't recall if it has done it longer), Anaconda will setup your drives into a logical volume group - even if there is only one drive. ...
0
votes
0answers
202 views

Redhat ext3 and/or powerpath issue

We are running Redhat EL 5 update 3 with Powerpath 5.3sp1. We did a FLARE upgrade on clariion and during SP upgrade, one of the emcpower devices which is mounted as ext3(using LVM) mounted as ...
1
vote
1answer
584 views

Finding the LVM root volume while in the Grub 0.95 CLI without access to the grub.conf file

If I have my root device is a LVM logical volume, how can I figure out the path via the Grub CLI without access to the original grub.conf file? This is for use in the kernel command's root and ...
0
votes
2answers
444 views

Redhat LVM changing stripes?

If I start with three physical devices in a volume group and stripe a logical volume across all three physical disks, can I later add a fourth disk to the vg and re-stripe it across all four disks? ...
5
votes
2answers
1k views

LVM: resize2fs not resizing

I'm having a weird issue with resize2fs. I've performed all the commands and they all have been successful, however, my filesystem is the same size as it was before: [oracle@server~]$ df -h /backup ...
1
vote
1answer
799 views

Unable to boot an HP DL380 G5 running RHEL

I have an HP DL380 G5 that was in a production network as a database server, with HP StorageWorks 2012fc / MSA 2000 SMB storage. The production system has been brought down and the servers are now in ...
0
votes
4answers
6k views

Resizing Xen guests using LVM

I have a RHEL 5.4 server running as a Xen Dom0, and wish to install several RHEL 5.4 DomU guests using LVM as the guest disks. I have created the following two LVs: xen-test02-root VM-VG -wi-a- ...
0
votes
2answers
304 views

REDHAT VM to run as HOST

I'm running a RHEL5 w/ 1 VM, that VM runs it's own LVM (boot, swap and root). so now what I need is to be able to boot directly into that VM bypassing my host enviroment and making my VM is a host, I ...
1
vote
2answers
3k views

Reducing the size of an existing partition (Redhat 5)

How can I reduce the size of an existing LVM partition without screwing the data in there? What if that partition is the root (/) partition?
2
votes
3answers
2k views

Red Hat Kickstart: How do I Prevent partitioning?

Hey all, I'm currently working on a new virtualisation setup using Xen, and Centos for my workplace. We intend to deploy the domUs into LVM volumes. Currently, the only thing preventing this from ...