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Re: [Libvir] PATCH: 0/16: Storage management APIs



DB> The patch series that follows provides storage management APIs for dealing
DB> with local directories, local filesystems, remote filesystems, logical
DB> volumes (LVM), disk partitioning, and iSCSI. It will also soon support
DB> SCSI host adapters (including NPIV).

What about a directory of directories?  For something like containers,
you want to bind-mount a directory on the host system into the
container's space.  It seems reasonable to have a directory of, for
example, copies of var for each of your container.  For example:

  /var/lib/containers/var/{mycontA,mycontB}/{lib,spool,cache,...}
                      ^^^  ^^^^^^^ ^^^^^^^
                       |      |       |
  Pool ----------------+      |       |
  Volume ---------------------+       |
  Volume -----------------------------+

I haven't read anything in my skimming that leads me to believe that
anything in the infrastructure you're adding would prevent such an
implementation down the road, but I just thought I'd bring it up.

-- 
Dan Smith
IBM Linux Technology Center
Open Hypervisor Team
email: danms us ibm com

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