<div dir="ltr"><div><div>Hello All,<br></div>Thanks for the answers, tried both don't work <br></div>thanks<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Apr 3, 2018 at 11:53 AM, Staniforth, Paul <span dir="ltr"><<a href="mailto:P.Staniforth@leedsbeckett.ac.uk" target="_blank">P.Staniforth@leedsbeckett.ac.uk</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<p>Hello Tal,</p>
<p> 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.</p>
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<p>Regards,</p>
<p> Paul S.<br>
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<div id="m_-7037350406440965159divRplyFwdMsg" dir="ltr"><font style="font-size:11pt" color="#000000" face="Calibri, sans-serif"><b>From:</b> <a href="mailto:users-bounces@ovirt.org" target="_blank">users-bounces@ovirt.org</a> <<a href="mailto:users-bounces@ovirt.org" target="_blank">users-bounces@ovirt.org</a>> on behalf of Tal Bar-Or <<a href="mailto:tbaror@gmail.com" target="_blank">tbaror@gmail.com</a>><br>
<b>Sent:</b> 25 March 2018 15:54<br>
<b>To:</b> users<span class=""><br>
<b>Subject:</b> [ovirt-users] Issues with ZFS volume creation</span></font>
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Hello All,<br>
</div><div><div class="h5">
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<br>
</div></div></div><div><div class="h5">
so the issues go as follows :<br>
<br>
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:<br>
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<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
zpool create -m none -o ashift=12 zvol raidz2 sda sdb sdc sdd sde sdf sdg sdh sdi sdj sdk sdl sdm<br clear="all">
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<div style="background-color:transparent">I get the following error below:<br>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
/dev/sda is in use and contains a unknown filesystem.<br>
/dev/sdb is in use and contains a unknown filesystem.<br>
/dev/sdc is in use and contains a unknown filesystem.<br>
/dev/sdd is in use and contains a unknown filesystem.<br>
/dev/sde is in use and contains a unknown filesystem.<br>
/dev/sdf is in use and contains a unknown filesystem.<br>
/dev/sdg is in use and contains a unknown filesystem.<br>
/dev/sdh is in use and contains a unknown filesystem.<br>
/dev/sdi is in use and contains a unknown filesystem.<br>
/dev/sdj is in use and contains a unknown filesystem.<br>
/dev/sdk is in use and contains a unknown filesystem.<br>
/dev/sdl is in use and contains a unknown filesystem.<br>
/dev/sdm is in use and contains a unknown filesystem.<br>
</blockquote>
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When typing command lsblk I get the following output below, all seems ok, any idea what could be wrong?<br>
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<div style="background-color:transparent">Please advice<br>
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<div style="background-color:transparent">Thanks<br>
<br>
</div>
<div style="background-color:transparent">
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex;background-color:transparent">
# lsblk<br>
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT<br>
sda 8:0 0 1.1T 0 disk<br>
└─35000cca07245c0ec 253:2 0 1.1T 0 mpath<br>
sdb 8:16 0 1.1T 0 disk<br>
└─35000cca072463898 253:10 0 1.1T 0 mpath<br>
sdc 8:32 0 1.1T 0 disk<br>
└─35000cca0724540e8 253:8 0 1.1T 0 mpath<br>
sdd 8:48 0 1.1T 0 disk<br>
└─35000cca072451b68 253:7 0 1.1T 0 mpath<br>
sde 8:64 0 1.1T 0 disk<br>
└─35000cca07245f578 253:3 0 1.1T 0 mpath<br>
sdf 8:80 0 1.1T 0 disk<br>
└─35000cca07246c568 253:11 0 1.1T 0 mpath<br>
sdg 8:96 0 1.1T 0 disk<br>
└─35000cca0724620c8 253:12 0 1.1T 0 mpath<br>
sdh 8:112 0 1.1T 0 disk<br>
└─35000cca07245d2b8 253:13 0 1.1T 0 mpath<br>
sdi 8:128 0 1.1T 0 disk<br>
└─35000cca07245f0e8 253:4 0 1.1T 0 mpath<br>
sdj 8:144 0 1.1T 0 disk<br>
└─35000cca072418958 253:5 0 1.1T 0 mpath<br>
sdk 8:160 0 1.1T 0 disk<br>
└─35000cca072429700 253:1 0 1.1T 0 mpath<br>
sdl 8:176 0 1.1T 0 disk<br>
└─35000cca07245d848 253:9 0 1.1T 0 mpath<br>
sdm 8:192 0 1.1T 0 disk<br>
└─35000cca0724625a8 253:0 0 1.1T 0 mpath<br>
sdn 8:208 0 1.1T 0 disk<br>
└─35000cca07245f5ac 253:6 0 1.1T 0 mpath</blockquote>
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<div>-- <br>
<div class="m_-7037350406440965159gmail_signature">Tal Bar-or</div>
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</blockquote></div><br><br clear="all"><br>-- <br><div class="gmail_signature" data-smartmail="gmail_signature">Tal Bar-or</div>
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