Здравейте,
имам много странен проблем и не съм сигурен къде точно се намира.
Накратко - опитвам се да си направя тестова инсталация на openstack на убунту 16.04 като изполвам juju и conjure-up. Както и да е, всичко работи както трябва и в един момент трябва да рестартирам. Проблемът или следствие на проблема е, че след рестарт не мога да изпълня командата df -h. Преди restart се вижда следното нещо:
$ df -m
Filesystem 1M-blocks Used Available Use% Mounted on
udev 96702 0 96702 0% /dev
tmpfs 19345 10 19335 1% /run
/dev/mapper/stack1--vg-root 67458 2351 61659 4% /
tmpfs 96721 0 96721 0% /dev/shm
tmpfs 5 0 5 0% /run/lock
tmpfs 96721 0 96721 0% /sys/fs/cgroup
/dev/sda1 472 55 393 13% /boot
tmpfs 19345 0 19345 0% /run/user/1000
stack1-eva 989432 1 989432 1% /stack1-eva
stack1-eva/images 989432 1 989432 1% /stack1-eva/images
stack1-eva/containers 989432 1 989432 1% /stack1-eva/containers
stack1-eva/containers/juju-f48498-0 991997 2565 989432 1% /var/lib/lxd/containers/juju-f48498-0.zfs
stack1-eva/containers/juju-24ce0a-4 992009 2578 989432 1% /var/lib/lxd/containers/juju-24ce0a-4.zfs
stack1-eva/containers/juju-24ce0a-5 992009 2577 989432 1% /var/lib/lxd/containers/juju-24ce0a-5.zfs
stack1-eva/containers/juju-24ce0a-6 990696 1264 989432 1% /var/lib/lxd/containers/juju-24ce0a-6.zfs
stack1-eva/containers/juju-24ce0a-0 990730 1298 989432 1% /var/lib/lxd/containers/juju-24ce0a-0.zfs
stack1-eva/containers/juju-24ce0a-1 990738 1307 989432 1% /var/lib/lxd/containers/juju-24ce0a-1.zfs
stack1-eva/containers/juju-24ce0a-2 990738 1307 989432 1% /var/lib/lxd/containers/juju-24ce0a-2.zfs
stack1-eva/containers/juju-24ce0a-3 992009 2577 989432 1% /var/lib/lxd/containers/juju-24ce0a-3.zfs
stack1-eva/containers/juju-24ce0a-7 990824 1393 989432 1% /var/lib/lxd/containers/juju-24ce0a-7.zfs
stack1-eva/containers/juju-24ce0a-8 990698 1267 989432 1% /var/lib/lxd/containers/juju-24ce0a-8.zfs
stack1-eva/containers/juju-24ce0a-9 991073 1642 989432 1% /var/lib/lxd/containers/juju-24ce0a-9.zfs
stack1-eva/containers/juju-24ce0a-10 990718 1287 989432 1% /var/lib/lxd/containers/juju-24ce0a-10.zfs
stack1-eva/containers/juju-24ce0a-11 990804 1373 989432 1% /var/lib/lxd/containers/juju-24ce0a-11.zfs
stack1-eva/containers/juju-24ce0a-12 990764 1332 989432 1% /var/lib/lxd/containers/juju-24ce0a-12.zfs
stack1-eva/containers/juju-24ce0a-13 990885 1453 989432 1% /var/lib/lxd/containers/juju-24ce0a-13.zfs
stack1-eva/containers/juju-24ce0a-14 990800 1369 989432 1% /var/lib/lxd/containers/juju-24ce0a-14.zfs
stack1-eva/containers/juju-24ce0a-15 990614 1182 989432 1% /var/lib/lxd/containers/juju-24ce0a-15.zfs
След рестарт командата не показва нищо, т.е. не може да изкара никакъв отговор... С инструментите на zfs всичко изгелжда наред:
$ sudo zfs list
NAME USED AVAIL REFER MOUNTPOINT
stack1-eva 18.0G 966G 19K /stack1-eva
stack1-eva/containers 17.4G 966G 19K /stack1-eva/containers
stack1-eva/containers/juju-24ce0a-0 710M 966G 1.27G /var/lib/lxd/containers/juju-24ce0a-0.zfs
stack1-eva/containers/juju-24ce0a-1 718M 966G 1.28G /var/lib/lxd/containers/juju-24ce0a-1.zfs
stack1-eva/containers/juju-24ce0a-10 702M 966G 1.26G /var/lib/lxd/containers/juju-24ce0a-10.zfs
stack1-eva/containers/juju-24ce0a-11 790M 966G 1.34G /var/lib/lxd/containers/juju-24ce0a-11.zfs
stack1-eva/containers/juju-24ce0a-12 758M 966G 1.31G /var/lib/lxd/containers/juju-24ce0a-12.zfs
stack1-eva/containers/juju-24ce0a-13 869M 966G 1.42G /var/lib/lxd/containers/juju-24ce0a-13.zfs
stack1-eva/containers/juju-24ce0a-14 783M 966G 1.34G /var/lib/lxd/containers/juju-24ce0a-14.zfs
stack1-eva/containers/juju-24ce0a-15 593M 966G 1.16G /var/lib/lxd/containers/juju-24ce0a-15.zfs
stack1-eva/containers/juju-24ce0a-2 718M 966G 1.28G /var/lib/lxd/containers/juju-24ce0a-2.zfs
stack1-eva/containers/juju-24ce0a-3 1.94G 966G 2.52G /var/lib/lxd/containers/juju-24ce0a-3.zfs
stack1-eva/containers/juju-24ce0a-4 1.94G 966G 2.52G /var/lib/lxd/containers/juju-24ce0a-4.zfs
stack1-eva/containers/juju-24ce0a-5 1.94G 966G 2.52G /var/lib/lxd/containers/juju-24ce0a-5.zfs
stack1-eva/containers/juju-24ce0a-6 679M 966G 1.23G /var/lib/lxd/containers/juju-24ce0a-6.zfs
stack1-eva/containers/juju-24ce0a-7 807M 966G 1.36G /var/lib/lxd/containers/juju-24ce0a-7.zfs
stack1-eva/containers/juju-24ce0a-8 681M 966G 1.24G /var/lib/lxd/containers/juju-24ce0a-8.zfs
stack1-eva/containers/juju-24ce0a-9 1.03G 966G 1.60G /var/lib/lxd/containers/juju-24ce0a-9.zfs
stack1-eva/containers/juju-f48498-0 1.93G 966G 2.51G /var/lib/lxd/containers/juju-f48498-0.zfs
stack1-eva/images 657M 966G 19K /stack1-eva/images
stack1-eva/images/3544774ae061c88ecfccc718d1c806a080c002583e65977bb8bb807a349ff502 657M 966G 657M /var/lib/lxd/images/3544774ae061c88ecfccc718d1c806a080c002583e65977bb8bb807a349ff502.zfs
$ sudo zpool status
pool: stack1-eva
state: ONLINE
scan: none requested
config:
NAME STATE READ WRITE CKSUM
stack1-eva ONLINE 0 0 0
36001438005defa970000a00001930000 ONLINE 0 0 0
errors: No known data errors
но juju не работи, както и виртуалните машини.
Ако извърша същата операция и създам zfs pool-a на локален диск, няма никакъв проблем.
Май забравих да спомена, че multipath устройството е един HP EVA масив, който се презентира на сървъра по fibre channel.