cephx

average, so you need to add some pg ceph osd pool set rbd pg_num 100 ceph osd pool set rbd pgp_num 100Add a Metadata Server To use CephFS, you must include a metadata server to create the metadata service in the following ways: ceph-deploy mds create mdsnodeAdd Ceph Mon The extension of Mon is complicated, which may lead to errors in the entire cluster. Therefore, we recommend that you do not modify MON at the beginning. The number of ceph monitors is 2n + 1 (n> = 0) (ODD), and at leas

[Global] Fsid = dd68ab00-9133-4165-8746-ac660da24886 Auth Cluster required = Cephx Auth Service required = Cephx Auth Client required = Cephx OSD Journal size = 4096 OSD Pool Default size = 3 OSD Pool default min size = 1 OSD Pool Default PG num = 512 OSD Pool default PGP num = 512 OSD Crush Chooseleaf type = 1 Public network = 186.22.122.0/22 Cluster network = 1

metadata server to create the metadata service in the following ways: ceph-deploy mds create mdsnodeAdd Ceph Mon The extension of Mon is complicated, which may lead to errors in the entire cluster. Therefore, we recommend that you do not modify MON at the beginning. The number of ceph monitors is 2n + 1 (n> = 0) (ODD), and at least three are online, as long as the number of normal nodes> = n + 1, the ceph paxos algorithm ensures the normal operation of the system. Therefore, only one of the thr

/then follow the above (1)-(3) operations and so on node1, 2, 3 osd each4. Create an mds instance and a file system(1) create a folder for storing mds data mkdir-p/var/lib/ceph/mds/ceph-node1/(2) generate the keyring of the Mds and use cephx to verify that this step requires ceph auth get-or-create mds. node1 mon 'Allow rwx 'ossd' allow * 'mds 'Allow * '-o/var/lib/ceph/mds/ceph-node1/keyring(4) Enable mmsd. node1/etc/init. d/ceph start mds. node1 and

clean environment: ceph-deploypurgedataserver-236 server-227ceph-deployforgetkeysceph-deploypurgeserver-236server-227 Create a Ceph cluster:ceph-deploynewserver-117server-236server-227# Where server-117 is Mon-node, you can specify more than one mon-node after the command execution completes, some auxiliary files are synthesized in the current directory, where the ceph.conf default content is as follows:[global]fsid= 23078e5b-3f38-4276-b2ef-7514a7fc09ffmon_initial_members=server-117mon_host= 10

Info fooRBD Info {Pool-name}/{image-name}RBD Info Test/foo4. Adjust the size of the block device imageRBD Resize--size test/foo--allow-shrink SmallRBD Resize--size 4096 Test/foo 5. Remove block devicesRBD RM Test/fooKernel module operation1. Mapping Block devicessudo rbd map {pool-name}/{image-name}--id {User-name}sudo rbd map test/foo2--id adminIf you enable CEPHX authentication, you also need to specify the keysudo rbd map test/foo2--id admin--key

version is 0.20.1). Compile the code in a conventional way. 3. Configure the CEpH Cluster Except the client, all other nodes need a configuration file, which must be exactly the same. 3.1 CEpH. config This file is located under/etc/CEpH. If the prefix is not modified in./configure, it should be in/usr/local/etc/CEpH. [Root @ ceph_mds CEpH] # Cat CEpH. conf ;; Sample CEpH. conf file.;; This file defines cluster membership, the various locations; That CEpH stores data, and any other run

option value Ceph osd pool get test size get object copy count 1. Create a block device Image Rbd create -- size {megabytes} {pool-name}/{image-name} Rbd create -- size 1024 test/foo 2. List block device Images Rbd ls 3. Retrieve Image Information Rbd info {image-name} Rbd info foo Rbd info {pool-name}/{image-name} Rbd info test/foo 4. Adjust the image size of a block Device Rbd resize -- size 512 test/foo -- allow-shrink smaller Rbd resize -- size 4096 test/foo increase 5. Delete Block devic

RBD map to mount the device, and then MKFS to format it with the following results:[Email protected]:/etc/ceph# rbd ls iscsiiscsi-rbd[email protected]:/etc/ceph# RBD showmappedid pool image Snap Device 1 iSCSI ISCSI-RBD- /dev/rbd1 mkfs.xfs/dev/rbd1Modify the/etc/init.d/rbdmap, change the/etc/rbdmap to the actual path of your rbdmap, and then write the Mount information to/etc/ceph/rbdmap (my Rbdmap path):[Email protected]:/etc/ceph# cat/etc/ceph/rbdmap# rbddeviceparameters#poolname/

to none, the original default is Cephx, which means to pass the certification, Here I do not need authentication, so set to none.The OSD pool default size is the number of replicas, I only configure two copies, so set to 2.Public network is a common network, is the network between the OSD communication, the proposed setting, if not set, the following may execute the command when there is warning message, this parameter is actually your Mon node IP la