Tuesday, 2020-08-25

« Monday, 2020-08-24 Index Wednesday, 2020-08-26 »
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YaoWanghey cores, my patch https://review.opendev.org/#/c/734427 is ready for review.03:34
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openstackgerritHelen Walsh proposed openstack/cinder master: PowerMax Driver - Failover abilities legacy improvements  https://review.opendev.org/74032109:14
openstackgerritHelen Walsh proposed openstack/cinder master: PowerMax Driver - Failover abilities promotion  https://review.opendev.org/74143909:17
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openstackgerritkatari manoj kumar proposed openstack/cinder master: [storwize]:optimized check_flashcopy_rate  https://review.opendev.org/74547009:40
openstackgerritHelen Walsh proposed openstack/cinder master: PowerMax Driver - Force add rep group volume  https://review.opendev.org/74675809:54
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openstackgerritHelen Walsh proposed openstack/cinder master: PowerMax Driver - sync_check_snapshot_delete_fix  https://review.opendev.org/74163910:35
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admin0hi devs ... i have some cinder volume on nfs .. but the database is lost .. if i create a new volume of the same size, can i just rename the name of the nfs volume to match the new and it will have the data back, or does cinder also save some sort of checksum etc ?11:40
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rosmaitaadmin0: since the volumes still exist on the backend, you can use the volume manage API to re-create them in Cinder: https://docs.openstack.org/api-ref/block-storage/v3/#volume-manage-extension-manageable-volumes12:08
rosmaitayou can specify the name to use, but they will have different volume_ids12:08
admin0rosmaita, what i am simulating is a situation where the database is completely corrupt/deleted, but the volume with data still exists12:10
admin0so for example, if current uuid is AAAA and 2 GB in size, can i create a new volume which is BBBB , same 2GB  and in the file system, rename the old  AAAA -> BBBB12:11
admin0or say, i want to clone a volume, i create 2 voluumes AAAA and BBBB .. in the filesystem side, can i just copy AAAA -> BBBB and the data will be there12:11
admin0or are there other "integrity" checks being done on the data ?12:11
rosmaitaadmin0: we rely on the backend to handle data integrity, Cinder just keeps track of everything12:12
admin0ok12:13
admin0so looks like i can just copy/rename and it will be done12:13
rosmaitabut if you use the volume manage API, you just tell it where the volume is and Cinder will save all the appropriate data12:13
rosmaitanot sure what you mean by copy/rename12:13
rosmaitathe original volume should still be there on the backend, you are just telling Cinder to record it in the DB as a "cinder volume"12:14
rosmaitaor am i misunderstanding your situation?12:16
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openstackgerritGirish Chilukuri proposed openstack/cinder master: Storwize]:Datareduction pool call optimisation  https://review.opendev.org/74626712:38
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openstackgerritSharath Kacham proposed openstack/cinder master: [storwize]:changes in create_group_from_src in SVC  https://review.opendev.org/74529312:45
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openstackgerritGirish Chilukuri proposed openstack/cinder master: [Storwize]:clone fcmap is not deleting in cleanup  https://review.opendev.org/74466412:48
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sdanniHi there! Our team is building a server that needs to use the ceph rbd. Since the 'adding ceph iscsi volume driver' feature hasn't been merged, we wonder if it's theoretical to make the feature work if we pull down the right patches?12:59
rosmaitasdanni: os13:00
rosmaitasorry about that13:00
rosmaitawhat i mean is, it's been re-targeted for wallaby ... i don't know whether it will work or not if you just grab the current patches13:01
rosmaitasome of the holdup is getting the CI working13:01
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rosmaitaso if you want to try, go ahead, but it's not yet supported ... though we would be interested in hearing about what happens13:02
sdannirosmaita, thanks! We will consider a try and let you know what happens.13:04
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rosmaitacool, ty13:06
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sdanniHi hemna, I saw you wrote the iscsi ceph patch and I was thinking of trying it out, any advice?14:19
openstackgerritkatari manoj kumar proposed openstack/cinder master: [storwize]:optimized select_io_group.  https://review.opendev.org/74557614:22
openstackgerritVenkata krishna Thumu proposed openstack/cinder master: Doc: Update storwize cinder driver configuration  https://review.opendev.org/74743314:33
openstackgerritkatari manoj kumar proposed openstack/cinder master: [storwize]:optimize create_flashcopy_to_consistgrp  https://review.opendev.org/74571914:39
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tinwoodHi.  Is there any more I need to do with https://review.opendev.org/#/c/730376/ ?  It's to fix a os-brick / ceph-octopus issue/break.  Thanks15:23
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openstackgerritMerged openstack/os-brick master: Remove Veritas Hyperscale connector  https://review.opendev.org/74539916:59
openstackgerritMerged openstack/os-brick master: Remove DRBD connector  https://review.opendev.org/74539616:59
hemnasdanni It hasn't landed yet :)17:26
sdannihemna, do you think if we pull down the right patches, it would theoretically work17:29
sdanni?17:29
hemnayup17:29
sdannihemna, thanks!17:31
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openstackgerritMerged openstack/os-brick master: Remove the ITRI DISCO connector  https://review.opendev.org/74539418:19
openstackgerritMerged openstack/os-brick master: RBD: Support non OpenStack usage  https://review.opendev.org/73731018:30
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openstackgerritMerged openstack/cinder master: Change default glance_num_retries to 3  https://review.opendev.org/73990718:41
openstackgerritMerged openstack/cinder master: Remove unused exceptions  https://review.opendev.org/73651618:42
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openstackgerritkatari manoj kumar proposed openstack/cinder master: [Storwize]:Fix delete_group_snapshot cleanup issue  https://review.opendev.org/74465219:01
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openstackgerritkatari manoj kumar proposed openstack/cinder master: [Storwize]:Fix delete_group_snapshot cleanup issue  https://review.opendev.org/74465219:12
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eharneyfyi, i went lio-barbican failure-chasing today on https://review.opendev.org/#/c/745576/19:50
eharneythe test_snapshot_create_delete_with_volume_in_use test failure there is described by https://bugs.launchpad.net/nova/+bug/188252119:50
openstackLaunchpad bug 1882521 in OpenStack Compute (nova) "Failing device detachments on Focal" [High,New]19:50
eharneyduring detach for test cleanup, the nova side of the detach fails w/   WARNING nova.virt.block_device [None req-91b97654-727a-45c3-ab29-631263f9b85f tempest-VolumesSnapshotTestJSON-1146418981 tempest-VolumesSnapshotTestJSON-1146418981] [instance: f88983fd-3f80-4c4f-90bc-dad8125e4371] Guest refused to detach volume b8ee7dba-1894-4fa5-a0ba-8b6d08522e47: nova.exception.DeviceDetachFailed: Device detach failed for vdb: Unable to detach the19:51
eharneydevice from the live config.19:51
eharneywhich causes nova to send roll_detaching, which eventually leads to the test failing because the volume is marked in-use after this fails19:51
eharney(just in case anyone else is digging into these)19:51
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openstackgerritMerged openstack/os-brick stable/ussuri: iSCSI detect multipath DM with no WWN  https://review.opendev.org/74688820:13
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openstackgerritBrian Rosmaita proposed openstack/os-brick master: Remove CORAID AOE connector  https://review.opendev.org/74539520:44
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openstackgerritMerged openstack/cinder master: Use resource_backend for volumes and groups  https://review.opendev.org/72469521:10
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openstackgerritMerged openstack/os-brick master: RBD: Fix check_valid_device  https://review.opendev.org/73731123:28
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