Gianluca Cecchi <gianluca.cecchi at gmail.com> wrote:> Date: Thu, 30 Nov 2017 09:55:58 +0100 > On Wed, Nov 29, 2017 at 10:23 PM, <m.roth at 5-cent.us> wrote: > >> The latter would explain the message my user's job gave him when it tried >> to umount / >> >> A bit of googling, and I see something called overlayFS can be used... but >> I know nothing about that, or how dangerous it is. Anyone got a pointed >> to something more than the minimal how to configure docker to use it? >> > You could follow CentOS Atomic SIG > https://wiki.centos.org/SpecialInterestGroup/Atomic > http://www.projectatomic.io/download/ > > and/or read here and adapt in case for your storage needs: > http://www.projectatomic.io/docs/docker-storage-recommendation/ > > See also here for overlayfs addiction in CentOS Atomic Host in September > this year > https://seven.centos.org/2017/09/new-centos-atomic-host-with-overlayfs-storage/ >Interesting, but it doesn't help me: I can't rebuild the server, it's in use, and I yum installed docker from the std. repos. What I see from the links tells me how to switch storage, not how to manually configure overlay2 storage, and whether I can do as I said, and point it to an NFS-mounted location. mark
m.roth at 5-cent.us
2017-Dec-01 16:01 UTC
[CentOS] C7 and docker storage (folllowing myself up)
m.roth at 5-cent.us wrote:> Gianluca Cecchi <gianluca.cecchi at gmail.com> wrote: >> Date: Thu, 30 Nov 2017 09:55:58 +0100 >> On Wed, Nov 29, 2017 at 10:23 PM, <m.roth at 5-cent.us> wrote: >> >>> The latter would explain the message my user's job gave him when it >>> tried to umount / >>> >>> A bit of googling, and I see something called overlayFS can be used... >>> but I know nothing about that, or how dangerous it is. Anyone got a >>> pointed to something more than the minimal how to configure docker >>> to use it? >>> >> You could follow CentOS Atomic SIG >> https://wiki.centos.org/SpecialInterestGroup/Atomic >> http://www.projectatomic.io/download/ >> >> and/or read here and adapt in case for your storage needs: >> http://www.projectatomic.io/docs/docker-storage-recommendation/ >> >> See also here for overlayfs addiction in CentOS Atomic Host in September >> this year >> https://seven.centos.org/2017/09/new-centos-atomic-host-with-overlayfs-storage/ >> > Interesting, but it doesn't help me: I can't rebuild the server, it's in > use, and I yum installed docker from the std. repos. What I see from the > links tells me how to switch storage, not how to manually configure > overlay2 storage, and whether I can do as I said, and point it to an > NFS-mounted location. >I just found some RH documentation for C 7 on overlayfs, and I see it says that NFS is only usable for the the docker graphs.... So, I just found, on the two systems I'm working with it on, an unused drive. Does anyone know if it is the case that I *cannot* use the partition, but need to make an LVM on it, for docker to use it? mark