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| author | Justin W. Flory <git@jwf.io> | 2019-07-08 11:07:45 -0500 |
|---|---|---|
| committer | Justin W. Flory <git@jwf.io> | 2019-07-08 12:33:35 -0500 |
| commit | 2f29c565423c69444685007d2e27e28c20f4dede (patch) | |
| tree | 36c5cac7ff0b42fafdd8b620b5c908ae560e5b7d | |
| parent | ed3acaecbfeead3b0fef5928e47ecc9f34cd8d5b (diff) | |
| download | podman-2f29c565423c69444685007d2e27e28c20f4dede.tar.gz podman-2f29c565423c69444685007d2e27e28c20f4dede.tar.bz2 podman-2f29c565423c69444685007d2e27e28c20f4dede.zip | |
rootless.md: Include GPFS as a parallel filesystem
Per @rhatdan's request in #3478, this commit makes a note of supporting
General Parallel File System by IBM since it shares the same root issue
as NFS for rootless containers.
Signed-off-by: Justin W. Flory <git@jwf.io>
| -rw-r--r-- | rootless.md | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/rootless.md b/rootless.md index d397ae857..bdbc1becc 100644 --- a/rootless.md +++ b/rootless.md @@ -16,9 +16,9 @@ can easily fail * Cgroups V2 development for container support is ongoing. * Can not share container images with CRI-O or other users * Difficult to use additional stores for sharing content -* Does not work on NFS homedirs - * NFS enforces file creation on different UIDs on the server side and does not understand User Namespace. - * When a container root process like YUM attempts to create a file owned by a different UID, NFS Server denies the creation. +* Does not work on NFS or parallel filesystem homedirs (e.g. [GPFS](https://www.ibm.com/support/knowledgecenter/en/SSFKCN/gpfs_welcome.html)) + * NFS and parallel filesystems enforce file creation on different UIDs on the server side and does not understand User Namespace. + * When a container root process like YUM attempts to create a file owned by a different UID, NFS Server/GPFS denies the creation. * Does not work with homedirs mounted with noexec/nodev * User can setup storage to point to other directories they can write to that are not mounted noexec/nodev * Can not use overlayfs driver, but does support fuse-overlayfs @@ -26,7 +26,7 @@ can easily fail * Only other supported driver is VFS. * No KATA Container support * No CNI Support - * CNI wants to modify IPTables, plus other network manipulation that I requires CAP_SYS_ADMIN. + * CNI wants to modify IPTables, plus other network manipulation that requires CAP_SYS_ADMIN. * There is potential we could probably do some sort of blacklisting of the relevant plugins, and add a new plugin for rootless networking - slirp4netns as one example and there may be others * Cannot use ping * [(Can be fixed by setting sysctl on host)](https://github.com/containers/libpod/blob/master/troubleshooting.md#5-rootless-containers-cannot-ping-hosts) |