Or try to create the vdev on the multipath devices, what does lsblk -s says ? It will show you the top level device to be used.
> Le 3 avr. 2018 à 10:53, Staniforth, Paul <p.stanifo...@leedsbeckett.ac.uk> a > écrit : > > Hello Tal, > ZFS is probably detecting a partition table on the disks, > you could delete the partition tables on /dev/sda,/dev/sdb ... etc, or you > could use the force option of ZFS create making sure they aren't mounted > somewhere. > > Regards, > Paul S. > From: users-boun...@ovirt.org <users-boun...@ovirt.org> on behalf of Tal > Bar-Or <tba...@gmail.com> > Sent: 25 March 2018 15:54 > To: users > Subject: [ovirt-users] Issues with ZFS volume creation > > > Hello All, > I know this question is might be out of Ovirt scope, but I don't have > anywhere else to ask for this issue (ZFS users mailing doesn't work), so I am > trying my luck here anyway > so the issues go as follows : > > Installed ZFS on top of CentOs 7.4 with Ovirt 4.2 , on physical Dell R720 > with 15 sas 10 k 1.2TB each attached to PERC H310 adapter, disks are > configured to non-raid, all went OK, but when I am trying to create new zfs > pool using the following command: > > zpool create -m none -o ashift=12 zvol raidz2 sda sdb sdc sdd sde sdf sdg sdh > sdi sdj sdk sdl sdm > I get the following error below: > /dev/sda is in use and contains a unknown filesystem. > /dev/sdb is in use and contains a unknown filesystem. > /dev/sdc is in use and contains a unknown filesystem. > /dev/sdd is in use and contains a unknown filesystem. > /dev/sde is in use and contains a unknown filesystem. > /dev/sdf is in use and contains a unknown filesystem. > /dev/sdg is in use and contains a unknown filesystem. > /dev/sdh is in use and contains a unknown filesystem. > /dev/sdi is in use and contains a unknown filesystem. > /dev/sdj is in use and contains a unknown filesystem. > /dev/sdk is in use and contains a unknown filesystem. > /dev/sdl is in use and contains a unknown filesystem. > /dev/sdm is in use and contains a unknown filesystem. > > When typing command lsblk I get the following output below, all seems ok, any > idea what could be wrong? > Please advice > Thanks > > # lsblk > NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT > sda 8:0 0 1.1T 0 disk > └─35000cca07245c0ec 253:2 0 1.1T 0 mpath > sdb 8:16 0 1.1T 0 disk > └─35000cca072463898 253:10 0 1.1T 0 mpath > sdc 8:32 0 1.1T 0 disk > └─35000cca0724540e8 253:8 0 1.1T 0 mpath > sdd 8:48 0 1.1T 0 disk > └─35000cca072451b68 253:7 0 1.1T 0 mpath > sde 8:64 0 1.1T 0 disk > └─35000cca07245f578 253:3 0 1.1T 0 mpath > sdf 8:80 0 1.1T 0 disk > └─35000cca07246c568 253:11 0 1.1T 0 mpath > sdg 8:96 0 1.1T 0 disk > └─35000cca0724620c8 253:12 0 1.1T 0 mpath > sdh 8:112 0 1.1T 0 disk > └─35000cca07245d2b8 253:13 0 1.1T 0 mpath > sdi 8:128 0 1.1T 0 disk > └─35000cca07245f0e8 253:4 0 1.1T 0 mpath > sdj 8:144 0 1.1T 0 disk > └─35000cca072418958 253:5 0 1.1T 0 mpath > sdk 8:160 0 1.1T 0 disk > └─35000cca072429700 253:1 0 1.1T 0 mpath > sdl 8:176 0 1.1T 0 disk > └─35000cca07245d848 253:9 0 1.1T 0 mpath > sdm 8:192 0 1.1T 0 disk > └─35000cca0724625a8 253:0 0 1.1T 0 mpath > sdn 8:208 0 1.1T 0 disk > └─35000cca07245f5ac 253:6 0 1.1T 0 mpath > > > -- > Tal Bar-or > To view the terms under which this email is distributed, please go to:- > http://disclaimer.leedsbeckett.ac.uk/disclaimer/disclaimer.html > _______________________________________________ > Users mailing list > Users@ovirt.org > http://lists.ovirt.org/mailman/listinfo/users _______________________________________________ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
