[ovirt-users] Re: [ANN] oVirt 4.3.7 Third Release Candidate is now available for testing

On Thu, Nov 21, 2019 at 8:20 AM Sahina Bose <sabose(a)redhat.com&gt; wrote: On Thu, Nov 21, 2019 at 6:03 AM Strahil Nikolov <hunter86_bg(a)yahoo.com&gt; wrote: Hi All, another clue in the logs : [2019-11-21 00:29:50.536631] W [MSGID: 114031] [client-rpc-fops_v2.c:2634:client4_0_lookup_cbk] 0-data_fast-client-1: remote operation failed. Path: /.shard/b0af2b81-22cf-482e-9b2f-c431b6449dae.79 (00000000-0000-0000-0000-000000000000) [Permission denied] [2019-11-21 00:29:50.536798] W [MSGID: 114031] [client-rpc-fops_v2.c:2634:client4_0_lookup_cbk] 0-data_fast-client-0: remote operation failed. Path: /.shard/b0af2b81-22cf-482e-9b2f-c431b6449dae.79 (00000000-0000-0000-0000-000000000000) [Permission denied] [2019-11-21 00:29:50.536959] W [MSGID: 114031] [client-rpc-fops_v2.c:2634:client4_0_lookup_cbk] 0-data_fast-client-2: remote operation failed. Path: /.shard/b0af2b81-22cf-482e-9b2f-c431b6449dae.79 (00000000-0000-0000-0000-000000000000) [Permission denied] [2019-11-21 00:29:50.537007] E [MSGID: 133010] [shard.c:2327:shard_common_lookup_shards_cbk] 0-data_fast-shard: Lookup on shard 79 failed. Base file gfid = b0af2b81-22cf-482e-9b2f-c431b6449dae [Permission denied] [2019-11-21 00:29:50.537066] W [fuse-bridge.c:2830:fuse_readv_cbk] 0-glusterfs-fuse: 12458: READ => -1 gfid=b0af2b81-22cf-482e-9b2f-c431b6449dae fd=0x7fc63c00fe18 (Permission denied) [2019-11-21 00:30:01.177665] I [MSGID: 133022] [shard.c:3674:shard_delete_shards] 0-data_fast-shard: Deleted shards of gfid=eb103fbf-80dc-425d-882f-1e4efe510db5 from backend [2019-11-21 00:30:13.132756] W [MSGID: 114031] [client-rpc-fops_v2.c:2634:client4_0_lookup_cbk] 0-data_fast-client-0: remote operation failed. Path: /.shard/17c663c2-f582-455b-b806-3b9d01fb2c6c.79 (00000000-0000-0000-0000-000000000000) [Permission denied] [2019-11-21 00:30:13.132824] W [MSGID: 114031] [client-rpc-fops_v2.c:2634:client4_0_lookup_cbk] 0-data_fast-client-1: remote operation failed. Path: /.shard/17c663c2-f582-455b-b806-3b9d01fb2c6c.79 (00000000-0000-0000-0000-000000000000) [Permission denied] [2019-11-21 00:30:13.133217] W [MSGID: 114031] [client-rpc-fops_v2.c:2634:client4_0_lookup_cbk] 0-data_fast-client-2: remote operation failed. Path: /.shard/17c663c2-f582-455b-b806-3b9d01fb2c6c.79 (00000000-0000-0000-0000-000000000000) [Permission denied] [2019-11-21 00:30:13.133238] E [MSGID: 133010] [shard.c:2327:shard_common_lookup_shards_cbk] 0-data_fast-shard: Lookup on shard 79 failed. Base file gfid = 17c663c2-f582-455b-b806-3b9d01fb2c6c [Permission denied] [2019-11-21 00:30:13.133264] W [fuse-bridge.c:2830:fuse_readv_cbk] 0-glusterfs-fuse: 12660: READ => -1 gfid=17c663c2-f582-455b-b806-3b9d01fb2c6c fd=0x7fc63c007038 (Permission denied) [2019-11-21 00:30:38.489449] W [MSGID: 114031] [client-rpc-fops_v2.c:2634:client4_0_lookup_cbk] 0-data_fast-client-0: remote operation failed. Path: /.shard/a10a5ae8-108b-4d78-9e65-cca188c27fc4.6 (00000000-0000-0000-0000-000000000000) [Permission denied] [2019-11-21 00:30:38.489520] W [MSGID: 114031] [client-rpc-fops_v2.c:2634:client4_0_lookup_cbk] 0-data_fast-client-1: remote operation failed. Path: /.shard/a10a5ae8-108b-4d78-9e65-cca188c27fc4.6 (00000000-0000-0000-0000-000000000000) [Permission denied] [2019-11-21 00:30:38.489669] W [MSGID: 114031] [client-rpc-fops_v2.c:2634:client4_0_lookup_cbk] 0-data_fast-client-2: remote operation failed. Path: /.shard/a10a5ae8-108b-4d78-9e65-cca188c27fc4.6 (00000000-0000-0000-0000-000000000000) [Permission denied] [2019-11-21 00:30:38.489717] E [MSGID: 133010] [shard.c:2327:shard_common_lookup_shards_cbk] 0-data_fast-shard: Lookup on shard 6 failed. Base file gfid = a10a5ae8-108b-4d78-9e65-cca188c27fc4 [Permission denied] [2019-11-21 00:30:38.489777] W [fuse-bridge.c:2830:fuse_readv_cbk] 0-glusterfs-fuse: 12928: READ => -1 gfid=a10a5ae8-108b-4d78-9e65-cca188c27fc4 fd=0x7fc63c01a058 (Permission denied) Anyone got an idea why is it happening? I checked user/group and selinux permissions - all OK >Can you share the commands (and output) used to check this? I first thought that the file is cached in memory and that's why vdsm user can read the file , but the following shows opposite: [root@ovirt1 94f763e9-fd96-4bee-a6b2-31af841a918b]# ll total 562145 -rw-rw----. 1 vdsm kvm 5368709120 Nov 12 23:29 5b1d3113-5cca-4582-9029-634b16338a2f -rw-rw----. 1 vdsm kvm 1048576 Nov 11 14:11 5b1d3113-5cca-4582-9029-634b16338a2f.lease -rw-r--r--. 1 vdsm kvm 313 Nov 11 14:11 5b1d3113-5cca-4582-9029-634b16338a2f.meta [root@ovirt1 94f763e9-fd96-4bee-a6b2-31af841a918b]# pwd /rhev/data-center/mnt/glusterSD/gluster1:_data__fast/396604d9-2a9e-49cd-9563-fdc79981f67b/images/94f763e9-fd96-4bee-a6b2-31af841a918b [root@ovirt1 94f763e9-fd96-4bee-a6b2-31af841a918b]# echo 3 > /proc/sys/vm/drop_caches

[root@ovirt1 94f763e9-fd96-4bee-a6b2-31af841a918b]# sudo -u vdsm dd if=5b1d3113-5cca-4582-9029-634b16338a2f of=/dev/null bs=4M status=progress dd: error reading ‘5b1d3113-5cca-4582-9029-634b16338a2f’: Permission denied

16+0 records in 16+0 records out 67108864 bytes (67 MB) copied, 0.198372 s, 338 MB/s

[root@ovirt1 94f763e9-fd96-4bee-a6b2-31af841a918b]# dd if=5b1d3113-5cca-4582-9029-634b16338a2f of=/dev/null bs=4M status=progress 5356126208 bytes (5.4 GB) copied, 12.061393 s, 444 MB/s 1280+0 records in 1280+0 records out 5368709120 bytes (5.4 GB) copied, 12.0876 s, 444 MB/s [root@ovirt1 94f763e9-fd96-4bee-a6b2-31af841a918b]# sudo -u vdsm dd if=5b1d3113-5cca-4582-9029-634b16338a2f of=/dev/null bs=4M status=progress 3598712832 bytes (3.6 GB) copied, 1.000540 s, 3.6 GB/s 1280+0 records in 1280+0 records out 5368709120 bytes (5.4 GB) copied, 1.47071 s, 3.7 GB/s [root@ovirt1 94f763e9-fd96-4bee-a6b2-31af841a918b]# echo 3 > /proc/sys/vm/drop_caches [root@ovirt1 94f763e9-fd96-4bee-a6b2-31af841a918b]# sudo -u vdsm dd if=5b1d3113-5cca-4582-9029-634b16338a2f of=/dev/null bs=4M status=progress 5171576832 bytes (5.2 GB) copied, 12.071837 s, 428 MB/s 1280+0 records in 1280+0 records out 5368709120 bytes (5.4 GB) copied, 12.4873 s, 430 MB/s As you can see , once root user reads the file -> vdsm user can also do that.

>I would try this on the hypervisor to check what vdsm/qemu see: >$ ls -lahRZ /rhv/data-center/mnt/glusterSD/gluster-server:_path I'm attaching the output of the find I run, but this one should be enough: [root@ovirt1 ~]# find /rhev/data-center/mnt/glusterSD/*/[0-9]*/images/ -not -user vdsm -print

>Also, to make sure we don't have selinux issue on the hypervisor, you can change >selinux to permissive mode: > setenforce 0 This is the first thing I did and the systems were still in permissive when I tried again.I'm 99.99% sure it's not selinux. >And then try again. If this was selinux issue the permission denied issue will disappear. >If this is the case please provide the output of: > ausearh -m AVC -ts today >If the issue still exists, we eliminated selinux, and you can enable it again: > setenforce 1 [root@ovirt3 ~]# ausearch -m AVC -ts today <no matches> [root@ovirt2 ~]# ausearch -m AVC -ts today <no matches> [root@ovirt1 ~]# ausearch -m AVC -ts today <no matches>

I have a vague feeling that the issue is related to gluster v6.5 to 6.6 upgrade which I several days before... So if any logs are needed (or debug enabled), just mention.