[systemd-devel] centos7/systemd/mulitpathd

jsl6uy js16uy js16uy at gmail.com
Tue Mar 21 18:24:06 UTC 2017

Apologies, pinging again, to see if anyone has had issues with
systemd+mutlipathd running on CentOS7u2 and the creation of devices and
setting up /dev/disk/by-uuid id links during boot up.

if not, no worries and have great days, will check in elsewhere

thanks and regards

On Mon, Mar 13, 2017 at 4:25 PM, jsl6uy js16uy <js16uy at gmail.com> wrote:

> Hello all, hope all is well
> Is there a dependency or delay that needs to be added to have volumes
> attached via HBA and managed by multipathd/devmapper and lvm reliably mount
> on boot?
> More detail
> We have some volumes connected via an hba in a Dell R630 running centos 7u2
> When booting up, the volumes do not mount. Causing the server to go into
> emergency mode, upon login we could see that under /dev/disk/by-uuid/ sym
> links were not created. At this point we could run from the emergency
> maintenance shell, partprobe or restart systemd-udev-trigger.service. This
> would fully create devices under /dev/ and fully populate the links in
> /dev/disk/by-uuid. Then we run mount -a. and exit the emergency shell and
> server completes boot
> multipath is installed and enabled
> Server is in prod so I can't do further reboot testing till the weekend.
> How we have it boot now is treating the volumes as x-systemd.automount with
> noauto/nofail options. After an initial "ls" and/or "cd" the volumes are
> available and this prevents halts during reboots
> workaround:
> UUID=094f2d03-87a1-4c0f-9777-41d11d7e6a7d       /data03 xfs
> noauto,nofail,x-systemd.automount,nobarrier,swalloc,
> inode64,noatime,nodiratime,logbufs=8,allocsize=16m 0 2
> Do I need a _netdev? Apologies not sure with systemd at the helm
> thanks for any/all help
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