Re: new Jenkins VM in PHX lab

You forgot the 1st thing we told you - "don't create partitions on the > disk"... > Instead the whole disk '/dev/vdX' should be formatted as a PV, then you > can > grow it from the engine and then 'pvresize' followed by 'lvresize'. I didn't forget, I came across [1] which quotes [2] and [3] saying best-practice is to create a partition on the PV: > *Not Recommended* > > Using the whole disk as a PV (as opposed to a partition spanning the > whole disk) is not recommended because of the management issues it can > create. Any other OS that looks at the disk will not recognize the LVM > metadata and display the disk as being free, so it is likely it will be > overwritten. LVM itself will work fine with whole disk PVs. > although I am no expert in lvm so if we agree its ok, no problem, I'll change it. [1] http://unix.stackexchange.com/questions/76588/what-is-the-best-practice-f... [2] http://tldp.org/HOWTO/LVM-HOWTO/initdisks.html [3] https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/... On Wed, Feb 10, 2016 at 11:02 AM, Barak Korren <bkorren(a)redhat.com&gt; wrote: > > able to do "live" storage incrase by adding a new volume to the LVM > group in > > the following procedure: > > > > created new virtio volume in the VM from phx-engine > > fdisk /dev/vdd then: n -> p -> 1 -> enter -> enter -> t -> 8e -> w > > vgextend jenkins_lvm /dev/vdd1 > > lvextend /dev/mapper/jenkins_lvm-data -L28G > > xfs_growfs /dev/mapper/jenkins_lvm-data > > > > I was unable to increase the volume size from the engine, and then > increase > > the partition size(only create a new partition on the same volume with > the > > new increased space in the volume), not sure if that is possible. > > > You forgot the 1st thing we told you - "don't create partitions on the > disk"... > Instead the whole disk '/dev/vdX' should be formatted as a PV, then you > can > grow it from the engine and then 'pvresize' followed by 'lvresize'. > > > -- > Barak Korren > bkorren(a)redhat.com > RHEV-CI Team > _______________________________________________ Infra mailing list Infra(a)ovirt.org http://lists.ovirt.org/mailman/listinfo/infra