osd navigator

First, Nova and Ceph combine1. Create storage pool pools in Ceph[[Email protected]_10_1_2_230 ~]# ceph OSD Pool Create VMs #创建一个pools, named vms,128 PGPool ' VMS ' created[Email protected]_10_1_2_230 ~]# ceph OSD Lspools #查看pools创建的情况0 rbd,1 images,2 VMs,[Email protected]_10_1_2_230 ~]# ceph OSD Pool StatsPool RBD ID 0Nothing was going onPool Images ID 1Nothing w

storage devices in the cluster, and some buckets that organize these devices into a physical hierarchy, as well as a set of rules that specify replication data policies. Buckets of different types, high-level buckets can aggregate low-level buckets. For example, a typical bucket level is OSD, Host, Rack, Row, A, DC, Root. For a crush map consisting of these buckets types, a tree structure is formed as shown in the structure. For some type of Bucket,c

apt-get install Ceph-deploy5. Create a working directory, enter and create a cluster mkdir ceph-cluster cd ceph-cluster ceph-deploy new Monster//Create a fresh cluster and write cluster.conf and keyring, etc.Because we are working on a single node, we need to modify the configuration fileecho "OSD Crush Chooseleaf type = 0" >> Ceph.confecho "OSD Pool Default size = 1" >> Ceph.confecho "

1. Current status2. Add another Mon (mon.node2) SSH node2 in 172.10.2.172 (Node2)Vim/etc/ceph/ceph.conf adding MON.NODE2-related configurationCeph-authtool/tmp/ceph.mon.keyring--import-keyring/etc/ceph/ceph.client.admin.keyringMonmaptool--create--add node1 172.10.2.172--fsid e3de7f45-c883-4e2c-a26b-210001a7f3c2/tmp/monmapMkdir-p/var/lib/ceph/mon/ceph-node2Ceph-mon--mkfs-i node2--monmap/tmp/monmap--keyring/tmp/ceph.mon.keyringTouch/var/lib/ceph/mon/ceph-node2/done/etc/init.d/ceph Start3.add an MD

the ceph environment.These files are generally available under the Ceph directory:Ceph.bootstrap-mds.keyring ceph.bootstrap-osd.keyring ceph.bootstrap-rgw.keyring ceph.client.admin.keyring ceph.conf Ceph.log ceph.mon.keyring RELEASE.ASC1.Start over:Ceph-deploy purgedata {Ceph-node} [{Ceph-node}] # #清空数据 Ceph-deploy Forgetkeys # #删除之前生成的密钥 Ceph-deploy purge {ceph-node} [{Ceph-node}] # #卸载ceph软件 If You execute purge, you must re-inst All Ceph.2.Start up:1, createthecluster.---->ceph-deploynew{ini

. However, after the configuration is complete, restart standby and apply logs, clear online logfiles is displayed in the alert log, and the problem is solved. The standby Database alert log prompts the following content: Thu Jul 17 10:49:21 2014 Alter database recover managed standby database disconnect from session MRP0 started with pid = 16, OS id = 2548 Managed Standby Recovery not using Real Time Apply Parallel recovery started with 2 processes Thu Jul 17 10:49:26 2014 Waiting for all non-c

Oracle OER 7451 in Load Indicator: Error Code = OSD-04500: illegal option specified descriptionOperating System: win7 64-bitOracle: 11gR2 32-bitHowever, the following errors occur continuously in the alert log:Mon Feb 06 14:38:22 2012Oer7451 in Load Indicator: Error Code = OSD-04500: illegal option specifiedO/S-Error: (OS 1) function is incorrect .!Oer7451 in Load Indicator: Error Code =

, restart standby and apply logs, clear online logfiles is displayed in the Alert Log, and the problem is solved. The standby Database Alert Log prompts the following content: Thu Jul 17 10:49:21 2014 Alter database recover managed standby database disconnect from session Mrp0 started with PID = 16, OS id = 2548 Managed standby recovery not using real time apply Parallel recovery started with 2 processes Thu Jul 17 10:49:26 2014 Waiting for all non-current orls to be archived... Thu Jul 17 10:4

that transmits different information is represented by the Child class that inherits the same base class. 3. Display Technology of EPG system When the TV program and EPG application start at the same time, the user may see the overlapping of the Program Screen and EPG interface. The TV screen displayed by the user can be divided into three layers, the graphic layer, video layer, and background layer are arranged in sequence. The graphic layer here is the

, so, for the multi-copy of Ceph to ensure data security and "waste" out of space, it is easy to be "Savings" came back, so Ceph's space use efficiency is very high. Where it is how to achieve, too professional I do not want to describe more than I also have some weakness, you can refer to my other blog "OpenStack uses ceph storage, what does Ceph do? " ".Again, the practice of data redundancy. Because Ceph is a storage target scattered in multiple PG, multiple PG is distributed in the

upgrade and review some special warnings in the upgrade Step 2:complete pre-upgrade Steps 3 If your Cloudera Manager host uses an unsupported JDK version, you must upgrade the supported JDK version prior to upgrading Cloudera Manager. If you plan to upgrade CDH, you must also upgrade the JDK at all cluster nodes. Step 3:upgrade The JDKUpgrading to Oracle JDK 1.7Upgrading to Oracle JDK 1.8 4 If the Cloudera Manager node is unable to access the extranet, or

Ceph installation and deployment in CentOS7 Environment Ceph Introduction Eph is designed to build high performance, high scalibility, and high available on low-cost storage media, providing unified storage, file-based storage, block storage, and Object Storage. I recently read the relevant documentation and found it interesting. It has already provided Block Storage for openstack, which fits the mainstream trend. Ceph deployment 1. Host preparation The experiment environment is performed on

StringBuilder (); XmlTextReader reader = new XmlTextReader (xmlfile. FileName); Showdocument (); TextBox3.Text = Outputxml.tostring (); OUTPUTQ = new StringBuilder (); Doc. Load (xmlfile. FileName); Documentnavigator nav = new Documentnavigator (DOC); Perform the query e.g. "Descendant::book/price" Xpathquery (NAV, TextBox1.Text); TextBox2.Text = Outputq.tostring (); } catch (Exception exp) { Outputq.append ("} finally {} } else if (Filelabel.text!= String.Empty) { Try { MyXml.Document.Load (

Ceph installation and deployment in CentOS7 Environment Ceph Introduction Eph is designed to build high performance, high scalibility, and high available on low-cost storage media, providing unified storage, file-based storage, block storage, and Object Storage. I recently read the relevant documentation and found it interesting. It has already provided Block Storage for openstack, which fits the mainstream trend. Ceph deployment 1. Host preparation The experiment environment is performed on VMa

Note: All operations below are performed at the admin node1, prepare three virtual machines, one as the admin node, the other two as the OSD node, and corresponding with the hostname command to modify the hostname to ADMIN,OSD0,OSD1, and finally modify the/etc/hosts file as shown below127.0.0.1 localhost10.10.102.85 admin10.10.102.86 osd010.10.102.87 OSD12. Configure password-free accessSsh-keygen //press ENTER to generate a publ

need to be installed by using the codebase features of Internet Explorer. These components also include a sophisticated web installation tool that makes the download process very interesting. Also, OWC is technically not dependent on Office 2000, so it can coexist with Office97 environments and be used on machines that do not have any Office software installed. The 12th chapter will cover all aspects of the deployment task and how to establish a solution for automating deployment of OWC. W

(XmlNavigator navigator, String xpathexpr){Try{// Save context node positionNavigator. PushPosition ();Navigator. Select (xpathexpr );FormatXml (navigator );// Restore context node positionNavigator. PopPosition ();}Catch (Exception e){}}// ****************************** Navigator ******** ****************************

. ToString ();ShowDocument ();OutputQ = new StringBuilder ();Doc. Load (FileLabel. Text );DocumentNavigator nav = new DocumentNavigator (doc );// Perform the query e.g. "descendant: book/price"XPathQuery (nav, TextBox1.Text );TextBox2.Text = outputQ. ToString ();}Catch (Exception exp ){OutputQ. Append (""+ Exp. Message +"");}Finally {}}}Private void XPathQuery (XmlNavigator navigator, String xpathexpr){Try{// Save context node positionNavigator. PushP

);// Perform the query e.g. "descendant: book/price"XPathQuery (nav, TextBox1.Text );TextBox2.Text = outputQ. ToString (); }Catch (Exception exp ){// OutputQ. Append ("}Finally {}}Else if (FileLabel. Text! = String. Empty){Try{MyXml. Document. Load (FileLabel. Text );OutputXml = new StringBuilder ();XmlTextReader reader = new XmlTextReader (FileLabel. Text );ShowDocument ();TextBox3.Text = outputXml. ToString (); ShowDocument (); OutputQ = new StringBuilder ();Doc. Load (FileLabel. Text );Docum

hadoop2Rados-p poolname ls can be used to view the objects. Rados-p hadoop2 stat 0000000000d. 00000b2a allows you to view the object information.Create pool: ceph osd pool create hadoop1 1320 1320 view pool list: ceph osd pool ls set pool size ceph osd pool set hadoop1 size 3Ceph osd tree View