On Thu, Nov 24, 2022 at 1:29 AM Mike Christie
<[email protected]> wrote:
>
> On 11/22/22 10:41 PM, Wenchao Hao wrote:
> > Sorry I did not highlight the key points. The root reason we need to record
> > node_startup mode in kernel is userspace's node_startup mode is unreliable 
> > in
> > some scenarios:
> >
> > 1. iscsi node and session is created in initrd, the configure files of these
> >    nodes would be lost after we switch to rootfs
> > 2. someone do iscsiadm -m discovery but did not specify the operation mode,
> >    the iscsi node's node_startup would be updated to which specified in 
> > iscsid.conf
> > 3. someone do iscsiadm -m node -o update to update nodes' configure
> >
> > What's more, it seems "iscsiadm/iscsid" only refuse to logout of an ONBOOT
> > session when logout is specificed by "--logoutall". We still can logout an
> > ONBOOT session with "iscsiadm -m node -u comamnd".
>
> logout_by_startup does go by the startup setting, but I think you missed the
> session_in_use related code. It checks the mounts and holders already. Just
> change it for whatever you need. I think your lvm use case should be covered
> by the holder check. If not, add it.

I did not enable the iscsid.safe_logout in iscsid.conf, so the session
still could be logged out.
If tested with iscsid.safe_logout set to "Yes", the issue is solved.

Thanks a lot

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