Hi, The best and safe way to do that is by adding another vHD as a new PV to your root_vg and then grow your LV. No need to stop services, shutdown or reboot the VM; if it's in prod environment. Julius > On Oct 30, 2015, at 19:18, Boris Epstein <borepstein at gmail.com> wrote: > >> On Fri, Oct 30, 2015 at 12:57 PM, <m.roth at 5-cent.us> wrote: >> >> Boris Epstein wrote: >>> Hello all, >>> >>> In your view, what is the most reliable and safe way to increase an LV >>> housing the root filesystem of a Centos 6 VM. I am thinking either >> growing >>> the virtual HD virtual device, or creating a new device and adding it as >> a >>> PV to the VM, or perhaps migrating the whole FS to a new virtual disk. >>> >>> Any input on how best to proceed would be appreciated. >> Dumb question: why do you need a larger root filesystem? >> >> First, how big is root? And if this is for stuff under, say, /var/www, I'd >> make a separate logical drive/partition, and mount that, rsync everything >> from /var/www to that, then shut down the web, and remount the new >> filesystem on /var/www. >> >> Root, itself, doesn't need to be huge. We're using 500G, and seriously >> considering making it 125G in the future, with data, or web stuff, is on a >> separate partition, so when there's a sudden explosion of data, / is safe. >> >> mark > > > Mark, > > Thanks for your input. > > Well, we are talking much smaller scale here (only about 30 GB at present, > planning to roughly double it). > > I agree with you that it is best to keep usage/operational data outside of > root - but it just historically so happened that this is how we do things. > So for now this is the task and I need to perform it somehow. > > Cheers, > > Boris. > _______________________________________________ > CentOS mailing list > CentOS at centos.org > https://lists.centos.org/mailman/listinfo/centos