I0420 09:42:10.860941 42147 cephcsi.go:191] Driver version: v3.11.0 and Git version: bc24b5eca87626d690a29effa9d7420cc0154a7a I0420 09:42:10.861305 42147 cephcsi.go:268] Initial PID limit is set to -1 I0420 09:42:10.861366 42147 cephcsi.go:274] Reconfigured PID limit to -1 (max) I0420 09:42:10.861439 42147 cephcsi.go:223] Starting driver type: rbd with name: rbd.csi.ceph.com I0420 09:42:10.876381 42147 mount_linux.go:282] Detected umount with safe 'not mounted' behavior I0420 09:42:10.898088 42147 rbd_attach.go:242] nbd module loaded I0420 09:42:10.898164 42147 rbd_attach.go:256] kernel version "5.15.0-176-generic" supports cookie feature I0420 09:42:10.918468 42147 rbd_attach.go:272] rbd-nbd tool supports cookie feature I0420 09:42:10.919426 42147 server.go:114] listening for CSI-Addons requests on address: &net.UnixAddr{Name:"/csi/csi-addons.sock", Net:"unix"} I0420 09:42:10.919445 42147 server.go:117] Listening for connections on address: &net.UnixAddr{Name:"//csi/csi.sock", Net:"unix"} I0420 09:42:12.015352 42147 utils.go:198] ID: 1 GRPC call: /csi.v1.Identity/GetPluginInfo I0420 09:42:12.018077 42147 utils.go:199] ID: 1 GRPC request: {} I0420 09:42:12.018096 42147 identityserver-default.go:40] ID: 1 Using default GetPluginInfo I0420 09:42:12.018132 42147 utils.go:205] ID: 1 GRPC response: {"name":"rbd.csi.ceph.com","vendor_version":"v3.11.0"} I0420 09:42:12.569336 42147 utils.go:198] ID: 2 GRPC call: /csi.v1.Node/NodeGetInfo I0420 09:42:12.569445 42147 utils.go:199] ID: 2 GRPC request: {} I0420 09:42:12.569463 42147 nodeserver-default.go:45] ID: 2 Using default NodeGetInfo I0420 09:42:12.569581 42147 utils.go:205] ID: 2 GRPC response: {"accessible_topology":{},"node_id":"instance"} I0420 09:43:12.231022 42147 utils.go:198] ID: 3 GRPC call: /csi.v1.Identity/Probe I0420 09:43:12.231185 42147 utils.go:199] ID: 3 GRPC request: {} I0420 09:43:12.231260 42147 utils.go:205] ID: 3 GRPC response: {} I0420 09:44:12.175825 42147 utils.go:198] ID: 4 GRPC call: /csi.v1.Identity/Probe I0420 09:44:12.175904 42147 utils.go:199] ID: 4 GRPC request: {} I0420 09:44:12.176092 42147 utils.go:205] ID: 4 GRPC response: {} I0420 09:45:12.173105 42147 utils.go:198] ID: 5 GRPC call: /csi.v1.Identity/Probe I0420 09:45:12.173208 42147 utils.go:199] ID: 5 GRPC request: {} I0420 09:45:12.173261 42147 utils.go:205] ID: 5 GRPC response: {} I0420 09:45:35.344037 42147 utils.go:198] ID: 6 GRPC call: /csi.v1.Node/NodeGetCapabilities I0420 09:45:35.344222 42147 utils.go:199] ID: 6 GRPC request: {} I0420 09:45:35.344440 42147 utils.go:205] ID: 6 GRPC response: {"capabilities":[{"Type":{"Rpc":{"type":1}}},{"Type":{"Rpc":{"type":2}}},{"Type":{"Rpc":{"type":3}}},{"Type":{"Rpc":{"type":5}}}]} I0420 09:45:35.355170 42147 utils.go:198] ID: 7 GRPC call: /csi.v1.Node/NodeGetCapabilities I0420 09:45:35.355321 42147 utils.go:199] ID: 7 GRPC request: {} I0420 09:45:35.355696 42147 utils.go:205] ID: 7 GRPC response: {"capabilities":[{"Type":{"Rpc":{"type":1}}},{"Type":{"Rpc":{"type":2}}},{"Type":{"Rpc":{"type":3}}},{"Type":{"Rpc":{"type":5}}}]} I0420 09:45:35.357526 42147 utils.go:198] ID: 8 GRPC call: /csi.v1.Node/NodeGetCapabilities I0420 09:45:35.357644 42147 utils.go:199] ID: 8 GRPC request: {} I0420 09:45:35.357910 42147 utils.go:205] ID: 8 GRPC response: {"capabilities":[{"Type":{"Rpc":{"type":1}}},{"Type":{"Rpc":{"type":2}}},{"Type":{"Rpc":{"type":3}}},{"Type":{"Rpc":{"type":5}}}]} I0420 09:45:35.360607 42147 utils.go:198] ID: 9 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-82caf060-010d-4792-87de-9248034d733e GRPC call: /csi.v1.Node/NodeStageVolume I0420 09:45:35.360930 42147 utils.go:199] ID: 9 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-82caf060-010d-4792-87de-9248034d733e GRPC request: {"secrets":"***stripped***","staging_target_path":"/var/lib/kubelet/plugins/kubernetes.io/csi/rbd.csi.ceph.com/a0ec814b185dee1d2ac38891f8530e46c1ab9ab84792cc4ad40762ce242d721f/globalmount","volume_capability":{"AccessType":{"Mount":{"fs_type":"ext4","mount_flags":["discard"]}},"access_mode":{"mode":7}},"volume_context":{"clusterID":"4837cbf8-4f90-4300-b3f6-726c9b9f89b4","imageFeatures":"layering","imageName":"csi-vol-82caf060-010d-4792-87de-9248034d733e","journalPool":"kube","pool":"kube","storage.kubernetes.io/csiProvisionerIdentity":"1776678134526-5290-rbd.csi.ceph.com"},"volume_id":"0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-82caf060-010d-4792-87de-9248034d733e"} I0420 09:45:35.380383 42147 omap.go:89] ID: 9 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-82caf060-010d-4792-87de-9248034d733e got omap values: (pool="kube", namespace="", name="csi.volume.82caf060-010d-4792-87de-9248034d733e"): map[csi.imageid:37d9604e7134 csi.imagename:csi-vol-82caf060-010d-4792-87de-9248034d733e csi.volname:pvc-10005713-5d30-46df-9e05-132b135c826b csi.volume.owner:default] I0420 09:45:35.435164 42147 rbd_util.go:352] ID: 9 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-82caf060-010d-4792-87de-9248034d733e checking for ImageFeatures: [layering] I0420 09:45:35.464872 42147 cephcmds.go:105] ID: 9 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-82caf060-010d-4792-87de-9248034d733e command succeeded: rbd [device list --format=json --device-type krbd] I0420 09:45:35.489929 42147 rbd_attach.go:437] ID: 9 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-82caf060-010d-4792-87de-9248034d733e rbd: map mon 199.19.213.68 I0420 09:45:35.589817 42147 cephcmds.go:105] ID: 9 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-82caf060-010d-4792-87de-9248034d733e command succeeded: rbd [--id kube -m 199.19.213.68 --keyfile=***stripped*** map kube/csi-vol-82caf060-010d-4792-87de-9248034d733e --device-type krbd --options noudev] I0420 09:45:35.589896 42147 nodeserver.go:422] ID: 9 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-82caf060-010d-4792-87de-9248034d733e rbd image: kube/csi-vol-82caf060-010d-4792-87de-9248034d733e was successfully mapped at /dev/rbd0 I0420 09:45:35.590201 42147 mount_linux.go:577] Attempting to determine if disk "/dev/rbd0" is formatted using blkid with args: ([-p -s TYPE -s PTTYPE -o export /dev/rbd0]) I0420 09:45:35.605361 42147 mount_linux.go:580] Output: "" I0420 09:45:35.760536 42147 mount_linux.go:577] Attempting to determine if disk "/dev/rbd0" is formatted using blkid with args: ([-p -s TYPE -s PTTYPE -o export /dev/rbd0]) I0420 09:45:35.777505 42147 mount_linux.go:580] Output: "DEVNAME=/dev/rbd0\nTYPE=ext4\n" I0420 09:45:35.777545 42147 mount_linux.go:439] Checking for issues with fsck on disk: /dev/rbd0 I0420 09:45:35.893141 42147 mount_linux.go:544] Attempting to mount disk /dev/rbd0 in ext4 format at /var/lib/kubelet/plugins/kubernetes.io/csi/rbd.csi.ceph.com/a0ec814b185dee1d2ac38891f8530e46c1ab9ab84792cc4ad40762ce242d721f/globalmount/0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-82caf060-010d-4792-87de-9248034d733e I0420 09:45:35.893187 42147 mount_linux.go:218] Mounting cmd (mount) with arguments (-t ext4 -o _netdev,discard,defaults /dev/rbd0 /var/lib/kubelet/plugins/kubernetes.io/csi/rbd.csi.ceph.com/a0ec814b185dee1d2ac38891f8530e46c1ab9ab84792cc4ad40762ce242d721f/globalmount/0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-82caf060-010d-4792-87de-9248034d733e) I0420 09:45:35.916170 42147 mount_linux.go:577] Attempting to determine if disk "/dev/rbd0" is formatted using blkid with args: ([-p -s TYPE -s PTTYPE -o export /dev/rbd0]) I0420 09:45:35.929318 42147 mount_linux.go:580] Output: "DEVNAME=/dev/rbd0\nTYPE=ext4\n" I0420 09:45:35.929336 42147 resizefs_linux.go:137] ResizeFs.needResize - checking mounted volume /dev/rbd0 I0420 09:45:35.932572 42147 resizefs_linux.go:141] Ext size: filesystem size=5368709120, block size=4096 I0420 09:45:35.932600 42147 resizefs_linux.go:156] Volume /dev/rbd0: device size=5368709120, filesystem size=5368709120, block size=4096 I0420 09:45:35.932635 42147 nodeserver.go:382] ID: 9 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-82caf060-010d-4792-87de-9248034d733e rbd: successfully mounted volume 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-82caf060-010d-4792-87de-9248034d733e to stagingTargetPath /var/lib/kubelet/plugins/kubernetes.io/csi/rbd.csi.ceph.com/a0ec814b185dee1d2ac38891f8530e46c1ab9ab84792cc4ad40762ce242d721f/globalmount/0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-82caf060-010d-4792-87de-9248034d733e I0420 09:45:35.932846 42147 utils.go:205] ID: 9 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-82caf060-010d-4792-87de-9248034d733e GRPC response: {} I0420 09:45:35.934843 42147 utils.go:198] ID: 10 GRPC call: /csi.v1.Node/NodeGetCapabilities I0420 09:45:35.934928 42147 utils.go:199] ID: 10 GRPC request: {} I0420 09:45:35.935163 42147 utils.go:205] ID: 10 GRPC response: {"capabilities":[{"Type":{"Rpc":{"type":1}}},{"Type":{"Rpc":{"type":2}}},{"Type":{"Rpc":{"type":3}}},{"Type":{"Rpc":{"type":5}}}]} I0420 09:45:35.940761 42147 utils.go:198] ID: 11 GRPC call: /csi.v1.Node/NodeGetCapabilities I0420 09:45:35.940957 42147 utils.go:199] ID: 11 GRPC request: {} I0420 09:45:35.941266 42147 utils.go:205] ID: 11 GRPC response: {"capabilities":[{"Type":{"Rpc":{"type":1}}},{"Type":{"Rpc":{"type":2}}},{"Type":{"Rpc":{"type":3}}},{"Type":{"Rpc":{"type":5}}}]} I0420 09:45:35.942985 42147 utils.go:198] ID: 12 GRPC call: /csi.v1.Node/NodeGetCapabilities I0420 09:45:35.943020 42147 utils.go:199] ID: 12 GRPC request: {} I0420 09:45:35.943172 42147 utils.go:205] ID: 12 GRPC response: {"capabilities":[{"Type":{"Rpc":{"type":1}}},{"Type":{"Rpc":{"type":2}}},{"Type":{"Rpc":{"type":3}}},{"Type":{"Rpc":{"type":5}}}]} I0420 09:45:35.944427 42147 utils.go:198] ID: 13 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-82caf060-010d-4792-87de-9248034d733e GRPC call: /csi.v1.Node/NodePublishVolume I0420 09:45:35.944682 42147 utils.go:199] ID: 13 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-82caf060-010d-4792-87de-9248034d733e GRPC request: {"staging_target_path":"/var/lib/kubelet/plugins/kubernetes.io/csi/rbd.csi.ceph.com/a0ec814b185dee1d2ac38891f8530e46c1ab9ab84792cc4ad40762ce242d721f/globalmount","target_path":"/var/lib/kubelet/pods/49a131e8-a48e-488c-bb85-795783c15988/volumes/kubernetes.io~csi/pvc-10005713-5d30-46df-9e05-132b135c826b/mount","volume_capability":{"AccessType":{"Mount":{"fs_type":"ext4","mount_flags":["discard"]}},"access_mode":{"mode":7}},"volume_context":{"clusterID":"4837cbf8-4f90-4300-b3f6-726c9b9f89b4","imageFeatures":"layering","imageName":"csi-vol-82caf060-010d-4792-87de-9248034d733e","journalPool":"kube","pool":"kube","storage.kubernetes.io/csiProvisionerIdentity":"1776678134526-5290-rbd.csi.ceph.com"},"volume_id":"0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-82caf060-010d-4792-87de-9248034d733e"} I0420 09:45:35.944837 42147 nodeserver.go:859] ID: 13 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-82caf060-010d-4792-87de-9248034d733e target /var/lib/kubelet/pods/49a131e8-a48e-488c-bb85-795783c15988/volumes/kubernetes.io~csi/pvc-10005713-5d30-46df-9e05-132b135c826b/mount isBlock false fstype ext4 stagingPath /var/lib/kubelet/plugins/kubernetes.io/csi/rbd.csi.ceph.com/a0ec814b185dee1d2ac38891f8530e46c1ab9ab84792cc4ad40762ce242d721f/globalmount/0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-82caf060-010d-4792-87de-9248034d733e readonly false mountflags [bind _netdev discard] I0420 09:45:35.944862 42147 mount_linux.go:218] Mounting cmd (mount) with arguments (-t ext4 -o bind,_netdev /var/lib/kubelet/plugins/kubernetes.io/csi/rbd.csi.ceph.com/a0ec814b185dee1d2ac38891f8530e46c1ab9ab84792cc4ad40762ce242d721f/globalmount/0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-82caf060-010d-4792-87de-9248034d733e /var/lib/kubelet/pods/49a131e8-a48e-488c-bb85-795783c15988/volumes/kubernetes.io~csi/pvc-10005713-5d30-46df-9e05-132b135c826b/mount) I0420 09:45:35.948069 42147 mount_linux.go:218] Mounting cmd (mount) with arguments (-t ext4 -o bind,remount,_netdev,discard /var/lib/kubelet/plugins/kubernetes.io/csi/rbd.csi.ceph.com/a0ec814b185dee1d2ac38891f8530e46c1ab9ab84792cc4ad40762ce242d721f/globalmount/0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-82caf060-010d-4792-87de-9248034d733e /var/lib/kubelet/pods/49a131e8-a48e-488c-bb85-795783c15988/volumes/kubernetes.io~csi/pvc-10005713-5d30-46df-9e05-132b135c826b/mount) I0420 09:45:35.952375 42147 nodeserver.go:742] ID: 13 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-82caf060-010d-4792-87de-9248034d733e rbd: successfully mounted stagingPath /var/lib/kubelet/plugins/kubernetes.io/csi/rbd.csi.ceph.com/a0ec814b185dee1d2ac38891f8530e46c1ab9ab84792cc4ad40762ce242d721f/globalmount/0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-82caf060-010d-4792-87de-9248034d733e to targetPath /var/lib/kubelet/pods/49a131e8-a48e-488c-bb85-795783c15988/volumes/kubernetes.io~csi/pvc-10005713-5d30-46df-9e05-132b135c826b/mount I0420 09:45:35.952458 42147 utils.go:205] ID: 13 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-82caf060-010d-4792-87de-9248034d733e GRPC response: {} I0420 09:45:47.127263 42147 utils.go:198] ID: 14 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-82caf060-010d-4792-87de-9248034d733e GRPC call: /csi.v1.Node/NodeUnpublishVolume I0420 09:45:47.127394 42147 utils.go:199] ID: 14 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-82caf060-010d-4792-87de-9248034d733e GRPC request: {"target_path":"/var/lib/kubelet/pods/49a131e8-a48e-488c-bb85-795783c15988/volumes/kubernetes.io~csi/pvc-10005713-5d30-46df-9e05-132b135c826b/mount","volume_id":"0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-82caf060-010d-4792-87de-9248034d733e"} I0420 09:45:47.127507 42147 mount_linux.go:360] Unmounting /var/lib/kubelet/pods/49a131e8-a48e-488c-bb85-795783c15988/volumes/kubernetes.io~csi/pvc-10005713-5d30-46df-9e05-132b135c826b/mount I0420 09:45:47.131227 42147 nodeserver.go:945] ID: 14 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-82caf060-010d-4792-87de-9248034d733e rbd: successfully unbound volume 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-82caf060-010d-4792-87de-9248034d733e from /var/lib/kubelet/pods/49a131e8-a48e-488c-bb85-795783c15988/volumes/kubernetes.io~csi/pvc-10005713-5d30-46df-9e05-132b135c826b/mount I0420 09:45:47.131311 42147 utils.go:205] ID: 14 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-82caf060-010d-4792-87de-9248034d733e GRPC response: {} I0420 09:45:47.230926 42147 utils.go:198] ID: 15 GRPC call: /csi.v1.Node/NodeGetCapabilities I0420 09:45:47.230987 42147 utils.go:199] ID: 15 GRPC request: {} I0420 09:45:47.231214 42147 utils.go:205] ID: 15 GRPC response: {"capabilities":[{"Type":{"Rpc":{"type":1}}},{"Type":{"Rpc":{"type":2}}},{"Type":{"Rpc":{"type":3}}},{"Type":{"Rpc":{"type":5}}}]} I0420 09:45:47.232590 42147 utils.go:198] ID: 16 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-82caf060-010d-4792-87de-9248034d733e GRPC call: /csi.v1.Node/NodeUnstageVolume I0420 09:45:47.232685 42147 utils.go:199] ID: 16 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-82caf060-010d-4792-87de-9248034d733e GRPC request: {"staging_target_path":"/var/lib/kubelet/plugins/kubernetes.io/csi/rbd.csi.ceph.com/a0ec814b185dee1d2ac38891f8530e46c1ab9ab84792cc4ad40762ce242d721f/globalmount","volume_id":"0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-82caf060-010d-4792-87de-9248034d733e"} I0420 09:45:47.232764 42147 mount_linux.go:360] Unmounting /var/lib/kubelet/plugins/kubernetes.io/csi/rbd.csi.ceph.com/a0ec814b185dee1d2ac38891f8530e46c1ab9ab84792cc4ad40762ce242d721f/globalmount/0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-82caf060-010d-4792-87de-9248034d733e I0420 09:45:47.537755 42147 nodeserver.go:1001] ID: 16 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-82caf060-010d-4792-87de-9248034d733e successfully unmounted volume (0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-82caf060-010d-4792-87de-9248034d733e) from staging path (/var/lib/kubelet/plugins/kubernetes.io/csi/rbd.csi.ceph.com/a0ec814b185dee1d2ac38891f8530e46c1ab9ab84792cc4ad40762ce242d721f/globalmount/0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-82caf060-010d-4792-87de-9248034d733e) I0420 09:45:47.653800 42147 cephcmds.go:105] ID: 16 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-82caf060-010d-4792-87de-9248034d733e command succeeded: rbd [unmap kube/csi-vol-82caf060-010d-4792-87de-9248034d733e --device-type krbd --options noudev] I0420 09:45:47.653866 42147 nodeserver.go:1059] ID: 16 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-82caf060-010d-4792-87de-9248034d733e successfully unmapped volume (0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-82caf060-010d-4792-87de-9248034d733e) I0420 09:45:47.654499 42147 utils.go:205] ID: 16 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-82caf060-010d-4792-87de-9248034d733e GRPC response: {} I0420 09:46:12.188525 42147 utils.go:198] ID: 17 GRPC call: /csi.v1.Identity/Probe I0420 09:46:12.188579 42147 utils.go:199] ID: 17 GRPC request: {} I0420 09:46:12.188597 42147 utils.go:205] ID: 17 GRPC response: {}