0
votes
1answer
74 views

dd output file larger than input file when executed with conv=noerror,sync

I am trying to backup an LVM on one of my servers with the following command: dd bs=4M conv=noerror,sync if=/dev/vg_volgroup/LvmName | ssh myuer@myip "dd of=/home/myuser/LvmName bs=4M ...
1
vote
1answer
88 views

Does 'lvremove' destroy data?

I assign a LV for each vm guest. When deleting a vm, I remove the corresponding lv running 'lvremove'. But is it necessary to destroy the data before running 'lvremove'? Does lvremove do the work of ...
2
votes
3answers
91 views

LVM: Using an image of a PV?

I have a logical volume spanning several drives. One of those drives (3TB, the largest of the bunch) is dying, and I am currently making an image of it (via ddrescue). I'm not yet sure on how to use ...
1
vote
1answer
154 views

How to move partitions from 2 LVM volumes into one LVM on other disk?

i had 2 partitions with following layout Disk /dev/xvda: 376.4 GB, 376354897920 bytes 255 heads, 63 sectors/track, 45755 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size ...
1
vote
0answers
194 views

Backing up VMs to a tape drive

I've got myself one of these fancy tape drives, HP LTO2 with 200/400 GB cartridges. The st driver reports it like this: scsi 1:0:0:0: Sequential-Access HP Ultrium 2-SCSI T65D I can ...
3
votes
3answers
5k views

Moving a Logical Volume directly from one server to another over the network?

I have a KVM host machine with several VMs on it. Each VM uses a Logical Volume on the host. I need to copy the LVs to another host machine. Normally, I would use something like: dd ...
0
votes
1answer
221 views

LVM tools on raw block copy

I have several raw block copies of disks that have both NTFS and Linux partitions. The parition tables generally have both a Windows NTFS partition and a Linux LVM partition. I need to work on all of ...
4
votes
2answers
6k views

LVM -> dd -> LVM?

I've 'cloned' a LVM partition using dd over ssh to a remote server(emergency backup...). On that remote server, is it possible to 'transform' the dd cloned file back into a LVM partition? Thanks. ...
3
votes
1answer
8k views

How to copy KVM disk image to LVM

Problem I'm getting a No space left on device error when doing a dd command. I'm trying to move a KVM qcow2 file to an LVM partition and thought that the LVM partition needed to be the same size as ...