gluster storage

Cloudstack System VMS (SSVM failed to rebuild). -Key logs for 1.cloudstack-managementThis line cannot read header ' mnt ... ': Invalid argumentCritical logs for 2.cloudstack storage (Gluster)There are no helpful error logs in sight here3.cloudstack agent (LIBVIRTD) log (rebuilding system VMs will be randomly rebuilt on all compute nodes)Here also appeared the cannot read header ' mnt ... ': Invalid argument

In October 5, the open-source software and service provider RedHat (Red Hat) acquired Gluster for $0.136 billion in cash to expand cloud computing services. In the statement, RedHat said that the profit for the third quarter of fiscal year 2012 and the year-round is not expected to change as a result of transactions. The integration of Gluster will reduce the operating profit of RedHat2013 (excluding one-ti

Gluster 3.8 Release Notes Gluster Community Version Maintenance InstructionsThe GlusterFS 3.8 version is the original stable version of the 3.8.X series, which is a long-term stable version (Long-term-stable versions), updated every month, and these updates will only fix bugs and improve stability without any new features. This version can be safely installed in the production environment.According to the

Tag:minareader file pattern matching software statcmd explain avoid -T Glusterfs 127.0.0.1:/gv1/mnt[[email protected] mnt]# df-hFilesystem Size used Avail use% mountedon/dev/mapper/volgroup-lv_root 18G 817M 16G 5%/TMPFS 491M 0 491M 0/dev/shm/dev/sda1 477M 28M 425M 7%/ boot/dev/sdb1 5.0G 33M 5.0G 1%/storage/brick1127.0.0.1:/gv1 10G 65M 10G

functions to pave 1, Glusterfs_volumes_init () 2, Event_dispatch () In Glusterfs_volumes_init () a different xlator (by Volfile-id, which determines which xlator to configure) is configured in Gluster, Xlator is a modular component. The form of so exists, and the storage-side path is So loading different xlator is equivalent to loading a different GLUSTERFSD service. three different modes The

Gluster is essentially an NFS (Network file System), and NFS is interpreted as follows (excerpt from the network) In 1984, Sun Microsystems introduced a widely accepted remote file access mechanism in the entire computer industry, known as the Sun's network file system, or simply as NFS. This mechanism allows you to run a server on one computer, allowing remote access to some or all of the files on it, and allowing applications on other computers to a

To enable quota management for GFS:Gluster Volume Quota GFs EnableDisable:Gluster Volume Quota GFs Disable Create a capacity of 10G directory AAA gluster Volume quota gfs limit-usage/aaa 10GB where/point to the path of the GFSView all:gluster Volume Quota GFs List Span style= "Font-size:20px;line-height:24px;white-space:pre;color:rgb (0,0,0); Background-color:rgb (255,255,255);" > View Strong style= "Font-family:consolas, ' Anda

GlusterFS STRIPE-COALESCE Options Help information is as follows: Option:cluster.stripe-coalesceDefault Value:trueDescription:enable/disable coalesce mode to flatten striped files as stored on the server (i.e., eliminate holes caused B Y the traditional format). In the Glsuter 3.4 version, the default value is FalseIn the Gluster 3.6 version, the default value is changed to TrueThis option is valid for striped volumes, when

Environment Description:Copy volume, CentOS 7, gluster version 3.6.7Failure phenomena:# Gluster v Status tankStatus of Volume:tankGluster processPortOnlinePid------------------------------------------------------------------------------Brick w-ostack03.sys.bjdt.net:/data/tank49152Y30371Brick w-ostack04.sys.bjdt.net:/data/tankn/ANFS Server on localhost2049Y29320Self-heal Daemon on localhostn/a Y 29337NFS Ser

Modify the log level in/usr/lib/systemd/system/glusterd.service to trace Environment= "Log_level=trace" can see more log After installing the Gluster, there will be 4 files associated with the/usr/sbin. These 4 files, in fact you will find that 3 of them are pointing to the same file glusterfsd, There is also a gluster, which is responsible for parsing the configuration from bash, querying commands s

intention is to use some of the storage machine for other purposes, as with the expansion, there are two cases.A. Reduce the breadth of the distribution, the removed disk must be a whole or multiple storage units, in the result list of volume info is a contiguous number of disks. The command automatically balances the data.sudo gluster volume Remove-brick vol_na

Red Hat Storage Management 1One, the management of the trusted storage poolA storage pool is a collection of storage servers, and when a server turns on the Glusterd service, the trusted storage pool is only itself, so how do we add other servers to the trusted

$ systemctl status glusterd.service Configure Glusterfs[[emailprotected] ~]# vi /etc/hosts192.168.22.21 k8s-glusterfs-01192.168.22.22 k8s-glusterfs-02# 如果开启了防火墙则 开放端口[[emailprotected] ~]# iptables -I INPUT -p tcp --dport 24007 -j ACCEPT Create a storage directory[Email protected] ~]# Mkdir/opt/gfs_dataAdding nodes to the cluster does not require probe native to perform operations on the local machine[Email protected] ~]#

[Email protected] ~]# vgcreate VG_SHARING_DISK/DEV/SDB1[Email protected] ~]# lvcreate-l 100%free-n lv_sharing_disk vg_sharing_disk[Email protected] ~]# Mkfs.xfs/dev/vg_sharing_disk/lv_sharing_disk[Email protected] ~]# MKDIR/RHS[Email protected] ~]# Vi/etc/fstab/DEV/VG_SHARING_DISK/LV_SHARING_DISK/RHS XFS Defaults 1 1[Email protected] ~]# MOUNT/RHS4.2.2 Configuring startup Glusterfs shared Storage1. Install the Glusterfs service and set it to boot from:The following steps require operation on two

over Gluster-swift# gluster-swift-gen-builders [VOLUME] [VOLUME ...] (command format) # gluster-swift-gen-builders swift-test-vol-01 (Command instance)Start Gluster-swift# Swift-init Main startUsing Gluster-swiftCreate a container# curl-i-X PUT http://localhost:8080/v1/AUTH

Host planning The first four nodes are distributed, replicated, distributed + replicated, geo-synchronous, etc. for configuration glusterfs. The first four nodes are used for several types of storage configurations, and the fifth host is used as client access, and geo anomaly disaster tolerance simulations. It should be noted that all of the following configuration, I used are IP, the current network is recommended to use the host name or

: labels: name: mysql spec: containers: - name: mysql image: mysql:5.7 imagePullPolicy: IfNotPresent env: - name: MYSQL_ROOT_PASSWORD value: root123456 ports: - containerPort: 3306 volumeMounts: - name: gluster-mysql-data mountPath: "/var/lib/mysql" volumes: - name: glusterfs-mysql-data persistentVolumeClaim: claimName:

The libvirt Storage section is studied. A simple example is used for test and verification: Import lib1_conn = libvirt. open ('qemu: // system') # conn = libvirt. open ('qemu: // system ') xmldesc = ''' Output result: virttest1 Delete storage volumes and storage pools Import lib1_conn = libvirt. open ('qemu: // system') # conn = libvirt. open ('qemu: // sy

Before HTML5, the storage of client data, sharing the burden of server storage is mainly using cookies. But cookies have many limitations, such as the number and length of cookies. Each domain can have a maximum of 20 cookies, each cookie cannot exceed 4KB in length, or it will be truncated; security issues. If a cookie is intercepted, the person can get all the session information. Even if encryption is no

Django file storage (2) custom storage system, django file storage To write a storage system by yourself, follow these steps: 1. Write a file inherited from django. core. files. storage. Storage. from django.core.files.storage imp