[ovirt-users] Re: Gluster deployment fails with missing UUID

Changing to /dev/mapper names seems to work but if anyone can tell me why the /dev/sd* naming is filtered that would help my understanding. On Thu, Apr 30, 2020 at 10:13 AM Shareef Jalloq <shareef(a)jalloq.co.uk&gt; wrote: > Having no luck here. I've had a read on the LVM config usage and there > were no filters enabled in lvm.conf. I enabled debug logging and can see > the default global filter being applied. I then manually forced the 'all' > fiter and 'pvcreate /dev/sdb' still tells me it is excluded by a filter. > The device section from 'lvmconfig' follows. What's wrong? > > devices { > > dir="/dev" > > scan="/dev" > > obtain_device_list_from_udev=1 > > external_device_info_source="none" > > preferred_names=["^/dev/mpath/","^/dev/mapper/mpath","^/dev/[hs]d"] > > filter="a|.*/|" > > cache_dir="/etc/lvm/cache" > > cache_file_prefix="" > > write_cache_state=1 > > sysfs_scan=1 > > scan_lvs=0 > > multipath_component_detection=1 > > md_component_detection=1 > > fw_raid_component_detection=0 > > md_chunk_alignment=1 > > data_alignment_detection=1 > > data_alignment=0 > > data_alignment_offset_detection=1 > > ignore_suspended_devices=0 > > ignore_lvm_mirrors=1 > > disable_after_error_count=0 > > require_restorefile_with_uuid=1 > > pv_min_size=2048 > > issue_discards=0 > > allow_changes_with_duplicate_pvs=1 > > } > > On Wed, Apr 29, 2020 at 6:21 PM Shareef Jalloq <shareef(a)jalloq.co.uk&gt; > wrote: > >> Actually, now I've fixed that, indeed, the deployment now fails with an >> lvm filter error. I'm not familiar with filters but there aren't any >> uncommented instances of 'filter' in /etc/lvm/lvm.conf. >> >> >> >> On Wed, Apr 29, 2020 at 5:42 PM Shareef Jalloq <shareef(a)jalloq.co.uk&gt; >> wrote: >> >>> Ah of course. I was assuming something had gone wrong with the >>> deployment and it couldn't clean up its own mess. I'll raise a bug on the >>> documentation. >>> >>> Strahil, what are the other options to using /dev/sdxxx? >>> >>> On Wed, Apr 29, 2020 at 10:17 AM Strahil Nikolov <hunter86_bg(a)yahoo.com&gt; >>> wrote: >>> >>>> On April 29, 2020 2:39:05 AM GMT+03:00, Jayme <jaymef(a)gmail.com&gt; wrote: >>>> >Has the drive been used before, it might have existing >>>> >partition/filesystem >>>> >on it? If you are sure it's fine to overwrite try running wipefs -a >>>> >/dev/sdb on all hosts. Also make sure there aren't any filters setup in >>>> >lvm.conf (there shouldn't be on fresh install, but worth checking). >>>> > >>>> >On Tue, Apr 28, 2020 at 8:22 PM Shareef Jalloq <shareef(a)jalloq.co.uk&gt; >>>> >wrote: >>>> > >>>> >> Hi, >>>> >> >>>> >> I'm running the gluster deployment flow and am trying to use a second >>>> >> drive as the gluster volume. It's /dev/sdb on each node and I'm >>>> >using the >>>> >> JBOD mode. >>>> >> >>>> >> I'm seeing the following gluster ansible task fail and a google >>>> >search >>>> >> doesn't bring up much. >>>> >> >>>> >> TASK [gluster.infra/roles/backend_setup : Create volume groups] >>>> >> **************** >>>> >> >>>> >> failed: [ovirt-gluster-01.jalloq.co.uk] (item={u'vgname': >>>> >> u'gluster_vg_sdb', u'pvname': u'/dev/sdb'}) => {"ansible_loop_var": >>>> >"item", >>>> >> "changed": false, "err": " Couldn't find device with uuid >>>> >> Y8FVs8-LP6w-R6CR-Yosh-c40j-17XP-ttP3Np.\n Couldn't find device with >>>> >uuid >>>> >> tA4lpO-hM9f-S8ci-BdPh-lTve-0Rh1-3Bcsfy.\n Couldn't find device with >>>> >uuid >>>> >> RG3w6j-yrxn-2iMw-ngd0-HgMS-i5dP-CGjaRk.\n Couldn't find device with >>>> >uuid >>>> >> lQV02e-TUZE-PXCd-GWEd-eGqe-c2xC-pauHG7.\n Device /dev/sdb excluded >>>> >by a >>>> >> filter.\n", "item": {"pvname": "/dev/sdb", "vgname": >>>> >"gluster_vg_sdb"}, >>>> >> "msg": "Creating physical volume '/dev/sdb' failed", "rc": 5} >>>> >> _______________________________________________ >>>> >> Users mailing list -- users(a)ovirt.org >>>> >> To unsubscribe send an email to users-leave(a)ovirt.org >>>> >> Privacy Statement: https://www.ovirt.org/privacy-policy.html >>>> >> oVirt Code of Conduct: >>>> >> https://www.ovirt.org/community/about/community-guidelines/ >>>> >> List Archives: >>>> >> >>>> > >>>> https://lists.ovirt.org/archives/list/users@ovirt.org/message/5U3K3IPYCFO... >>>> >> >>>> >>>> Actually best practice is not to use /dev/sdxxx as they can change. >>>> >>>> In your case most peobably the LUN is not fresh, so wipe it with >>>> dd/blktrim so any remnants of old FS signature is gone. >>>> >>>> Best Regards, >>>> Strahil Nikolov >>>> >>>