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 <js1...@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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