随笔分类 -  cinder

LVM学习笔记
摘要：LVM Logical Volume Manager Volume management creates a layer of abstraction over physical storage, allowing you to create logical storage volumes. Logical volumes provide the following advantages ove... 阅读全文
posted @ 2014-07-18 17:31 popsuper1982 阅读(3948) 评论(0) 推荐(0) 编辑
Virtio: An I/O virtualization framework for Linux
摘要：The Linux kernel supports a variety of virtualization schemes, and that's likely to grow as virtualization advances and new schemes are discovered (fo... 阅读全文
posted @ 2014-07-11 15:01 popsuper1982 阅读(1247) 评论(0) 推荐(0) 编辑
High availability with the Distributed Replicated Block Device
摘要：The 2.6.33 Linux® kernel has introduced a useful new service called the Distributed Replicated Block Device (DRBD). This service mirrors an entire blo... 阅读全文
posted @ 2014-07-11 14:50 popsuper1982 阅读(402) 评论(0) 推荐(0) 编辑
Linux and the storage ecosystem
摘要：Linux is the Swiss Army knife of file systems, and it also offers a wide variety of storage technologies for both desktops and servers. Beyond the fil... 阅读全文
posted @ 2014-07-11 14:33 popsuper1982 阅读(336) 评论(0) 推荐(0) 编辑
External Snapshot management
摘要：External Snapshot managementSymptomAs of at least libvirt 1.1.1, external snapshot support is incomplete. For example, with 1.0.5 or later, an externa... 阅读全文
posted @ 2014-07-07 14:14 popsuper1982 阅读(2376) 评论(0) 推荐(0) 编辑
nova boot from volume代码分析
摘要：首先要创建一个bootable volumecurl -i http://16.158.166.197:8776/v1/c24c59846a7f44538d958e7548cc74a3/volumes -X POST -H "X-Auth-Project-Id: openstack" -H "Use... 阅读全文
posted @ 2014-07-06 19:49 popsuper1982 阅读(2516) 评论(0) 推荐(0) 编辑
QEMU KVM Libvirt手册(5) – snapshots
摘要：前面讲了QEMU的qcow2格式的internal snapshot和external snapshot，这都是虚拟机文件格式的功能。 这是文件级别的。 还可以是文件系统级别的，比如很多文件系统支持snapshot，如OCFS2 还可以是block级别的，比如LVM支持snapshot 我们这节来分析openstack中各种snapshot的实现。 在Openstack中，Instance的启动大... 阅读全文
posted @ 2014-07-04 10:52 popsuper1982 阅读(2184) 评论(0) 推荐(0) 编辑
手动模拟attach cinder volume的过程
摘要：我们首先启动一台机器，启动的时候attach一个volume 创建一个空的cinder volume root:~# cinder create --display-name emptyvolume11g 11+---------------------+--------------------------------------+| Property | Value |+------------... 阅读全文
posted @ 2014-07-02 16:16 popsuper1982 阅读(2263) 评论(0) 推荐(0) 编辑
Linux tgtadm: Setup iSCSI Target ( SAN )
摘要：Linux target framework (tgt) aims to simplify various SCSI target driver (iSCSI, Fibre Channel, SRP, etc) creation and maintenance. The key goals are ... 阅读全文
posted @ 2014-07-02 14:27 popsuper1982 阅读(2101) 评论(0) 推荐(0) 编辑
Ubuntu 12.04 iSCSI Configuration
摘要：Configure Storage Server with iSCSI. A storage on a network is called iSCSI Target, a Client which connects to iSCSI Target is called iSCSI Initiator.... 阅读全文
posted @ 2014-07-02 12:30 popsuper1982 阅读(461) 评论(0) 推荐(0) 编辑
Using iSCSI On Ubuntu 10.04 (Initiator And Target)
摘要：This guide explains how you can set up an iSCSI target and an iSCSI initiator (client), both running Ubuntu 10.04. The iSCSI protocol is a storage are... 阅读全文
posted @ 2014-07-02 12:22 popsuper1982 阅读(727) 评论(0) 推荐(0) 编辑
[转] Write Barriers
摘要：RHEL6 学习：Write Barriershttp://francs3.blog.163.com/blog/static/405767272012215212890/ Write Barriers 是一种内核机制，可以保证文件系统元数据正确有序地写入持久化存储，哪怕持久化存储掉电的情况也能保证。... 阅读全文
posted @ 2014-06-29 10:14 popsuper1982 阅读(1025) 评论(1) 推荐(0) 编辑
[转] Barriers, Caches, Filesystems
摘要：Barriers, Caches, Filesystemshttp://monolight.cc/2011/06/barriers-caches-filesystems/With the recent proliferation of ext4 as the new “default” Linux ... 阅读全文
posted @ 2014-06-29 10:12 popsuper1982 阅读(730) 评论(0) 推荐(0) 编辑
[转] Barriers and journaling filesystems
摘要：http://lwn.net/Articles/283161/Journaling filesystems come with a big promise: they free system administrators from the need to worry about disk corru... 阅读全文
posted @ 2014-06-29 10:10 popsuper1982 阅读(390) 评论(0) 推荐(0) 编辑

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