December 2024 - Support - NFS Ganesha List Archives

ESXI 6.7 client creating Thick Eager zeroed vmdk files using ceph fsal
by Robert Toole 06 Jan '25

06 Jan '25

Hi, I have a 3 node Ceph octopus 15.2.7 cluster running on fully up to date Centos 7 with nfs-ganesha 3.5. After following the Ceph install guide https://docs.ceph.com/en/octopus/cephadm/install/#deploying-nfs-ganesha I am able to create a NFS 4.1 Datastore in vmware using the ip address of all three nodes. Everything appears to work OK.. The issue however is that for some reason esxi is creating thick provisioned eager zeroed disks instead of thin provisioned disks on this datastore, whether I am migrating, cloning, or creating new vms. Even running vmkfstools -i disk.vmdk -d thin thin_disk.vmdk still results in a thick eager zeroed vmdk file. This should not be possible on an NFS datastore, because vmware requires a VAAI NAS plugin to accomplish thick provisioning over NFS before it can thick provision disks. Linux clients to the same datastore can create thin qcow2 images, and when looking at the images created by esxi from the linux hosts you can see that the vmdks are indeed thick: ls -lsh total 81G 512 -rw-r--r--. 1 root root 230 Mar 25 15:17 test_vm-2221e939.hlog 40G -rw-------. 1 root root 40G Mar 25 15:17 test_vm-flat.vmdk 40G -rw-------. 1 root root 40G Mar 25 15:56 test_vm_thin-flat.vmdk 512 -rw-------. 1 root root 501 Mar 25 15:57 test_vm_thin.vmdk 512 -rw-------. 1 root root 473 Mar 25 15:17 test_vm.vmdk 0 -rw-r--r--. 1 root root 0 Jan 6 1970 test_vm.vmsd 2.0K -rwxr-xr-x. 1 root root 2.0K Mar 25 15:17 test_vm.vmx but the qcow2 files from the linux hosts are thin as one would expect: qemu-img create -f qcow2 big_disk_2.img 500G ls -lsh total 401K 200K -rw-r--r--. 1 root root 200K Mar 25 15:47 big_disk_2.img 200K -rw-r--r--. 1 root root 200K Mar 25 15:44 big_disk.img 512 drwxr-xr-x. 2 root root 81G Mar 25 15:57 test_vm These ls -lsh results are the same from esx, linux nfs clients and from cephfs kernel client. What is happening here? Are there undocumented VAAI features in nfs-ganesha with the cephfs fsal ? If so, how do I turn them off ? I want thin provisioned disks. ceph nfs export ls dev-nfs-cluster --detailed [ { "export_id": 1, "path": "/Development-Datastore", "cluster_id": "dev-nfs-cluster", "pseudo": "/Development-Datastore", "access_type": "RW", "squash": "no_root_squash", "security_label": true, "protocols": [ 4 ], "transports": [ "TCP" ], "fsal": { "name": "CEPH", "user_id": "dev-nfs-cluster1", "fs_name": "dev_cephfs_vol", "sec_label_xattr": "" }, "clients": [] } ] rpm -qa | grep ganesha nfs-ganesha-ceph-3.5-1.el7.x86_64 nfs-ganesha-rados-grace-3.5-1.el7.x86_64 nfs-ganesha-rados-urls-3.5-1.el7.x86_64 nfs-ganesha-3.5-1.el7.x86_64 centos-release-nfs-ganesha30-1.0-2.el7.centos.noarch rpm -qa | grep ceph python3-cephfs-15.2.7-0.el7.x86_64 nfs-ganesha-ceph-3.5-1.el7.x86_64 python3-ceph-argparse-15.2.7-0.el7.x86_64 python3-ceph-common-15.2.7-0.el7.x86_64 cephadm-15.2.7-0.el7.x86_64 libcephfs2-15.2.7-0.el7.x86_64 ceph-common-15.2.7-0.el7.x86_64 ceph -v ceph version 15.2.7 (<ceph_uuid>) octopus (stable) The ceph cluster is healthy using bluestore on raw 3.84TB sata 7200 rpm disks. -- Robert Toole rtoole(a)tooleweb.ca 403 368 5680

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Announce Push of V6.4
by Frank Filz 13 Dec '24

13 Dec '24

Branch next Tag:V6.4 Merge Highlights This merge is mostly small patches from Google to closer match their internal repos. Patches that are bug fixes are listed first followed by some minor "features". * Fix build break for USE_NFS3=OFF * Replace _LINUX macro with linux * Handle suid, sgid bits reset during chown operation * src/SAL/state_lock: Fix a bug of adressing the wrong field * Free allocated strings * nfs4_op_open: Check permissions on upgrade re-open * Added a metric for dropped gss requests * fsal_manager.c: Add support to configure / init static fsals * Add dbus method reread_config * client_mgr: Expose DBUS method to disconnect a nfsv41 client * nfs4_pseudo.c: Update some comments * Added logs and lttng traces * Added missing includes and initializations * Clang format cc files * src: Clang formatting * CMakeLists: Resolve __FILE__ to a relative path to the project in logs by default * Replace malloc and free with gsh_malloc and gsh_free respectively * idmapping cache cleanup: log number of entries removed * Gss-callbacks: Remove rpc callback initialisation on startup * Extracted credentials squashing logic to a separate function * Extracted setting the extended groups to a separate function * Use cmake3 to build Ganesha on centos * Added an option to print the client XID as part of the log entry * Added nfs request to op context if a request is originated from nfs client Signed-off-by: Frank S. Filz <ffilzlnx(a)mindspring.com> Contents: 178e02de9 Frank S. Filz V6.4 a7bd32d8b izxl007 nfs4_pseudo.c: Update some comments 72b4544ca Sachin Punadikar Fix build break for USE_NFS3=OFF e090a299d Frank S. Filz Replace _LINUX macro with linux c6343a211 Lior Suliman Added a metric for dropped gss requests 0b9d7a984 Lior Suliman Added logs and lttng traces 7eeafc8b9 Dipit Grover Handle suid, sgid bits reset during chown operation 0d70330da Lior Suliman Added missing includes and initializations ea6d183e6 Lior Suliman Clang format cc files f2db73ff6 Lior Suliman fsal_manager.c: Add support to configure / init static fsals 6b3f9e437 Lior Suliman src: Clang formatting dfd26b7b9 Lior Suliman CMakeLists: Resolve __FILE__ to a relative path to the project in logs by default 5c0b0ff8a Lior Suliman Add dbus method reread_config dd2c3edc5 Lior Suliman src/SAL/state_lock: Fix a bug of adressing the wrong field a0ab1c690 Gaurav Sharma Replace malloc and free with gsh_malloc and gsh_free respectively 74266e89e Ofir Vainshtein nfs_lib.c: Free allocated strings cb098d40e Dipit Grover idmapping cache cleanup: log number of entries removed bacd45e72 Lior Suliman nfs4_op_open: Check permissions on upgrade re-open b89ee1347 Dipit Grover client_mgr: Expose DBUS method to disconnect a nfsv41 client 789b30dc2 Lior Suliman Gss-callbacks: Remove rpc callback initialisation on startup ed0ef716d Lior Suliman Extracted credentials squashing logic to a separate function 544b951e1 Lior Suliman Extracted setting the extended groups to a separate function 053f1351c Lior Suliman Use cmake3 to build Ganesha on centos 2b4682f04 Lior Suliman Added an option to print the client XID as part of the log entry 078e7281f Lior Suliman Added nfs request to op context if a request is originated from nfs client

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