Device Mapper Multipath(DM-Multipath)可以将服务器节点和存储阵列之间的多条I/O链路配置为一个单独的设备。这些I/O链路是由不同的线缆、交换机、控制器组成的SAN物理链路。Multipath将这些链路聚合在一起,生成一个单独的新的设备。
1.DM-Multipath概览:
(1)数据冗余
DM-Multipath可以实现在active/passive模式...
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移动开发 时间:
2014-06-11 00:56:26
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题目:
Given two sorted integer arrays A and B, merge B into A as one sorted array.
原题链接(点我)
解题思路:
合并两个数组为一个有序数组,这题也很简单,唯一考查的地方就是怎么处理数组,是从前往后还是从后往前。一般情况,从后往前的效率比从前往后高,也要省不少事。代码如下,从后开始合并。
代码实现:...
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其他好文 时间:
2014-06-11 00:37:42
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314
Types of Device
DriversWindows可能会有User-mode的驱动,但是我们只关注Kernel-Mode的驱动。WDM
DriversWDM是一种驱动模型,是比较常用的驱动模型。WDM可以分为以下几类:Bus Drivers负责检测到连接到该总线的设备的与PnP/Power...
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其他好文 时间:
2014-06-10 14:19:00
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310
Find the contiguous subarray within an array
(containing at least one number) which has the largest sum.For example, given
the array[?2,1,?3,4,?1,2,1,...
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其他好文 时间:
2014-06-10 09:14:50
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211
The oldest solution that people still use for
this problem is select(). The select() call takes three sets of fds (implemented
as bit arrays): one for...
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编程语言 时间:
2014-06-10 08:26:42
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325
IntroductionThis page is a brief overview of
working with the MongoDB Java Driver.For more information about the Java API,
please refer to theonline A...
分类:
数据库 时间:
2014-06-10 00:56:32
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931
本文档以RDO的方式安装单节点、单网卡的Openstack。RDO是可在Red Hat
Enterprise Linux、Fedora及其变体上运行的社区支持OpenStack版本。部署简单方便,RDO中包含核心的OpenStack组件 –
Nova、Glance、Keystone、Cinder、N...
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其他好文 时间:
2014-06-09 19:54:16
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385
If our web site hosted on web server canot be
accessed by other computer by public network, one of the possiblity is the
firewall setting is not confi...
Now, when you buy food, you will be able to
return home in reusable bags that will not be rejected, which can be used over
and over again, and washed ...
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其他好文 时间:
2014-06-09 18:35:51
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320
Running KVM and Openvswitch on Ubuntu 12.10
I’ve got an aging VMWare ESXi 4.0 server that needs to be replaced with
something a little more modern and...
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其他好文 时间:
2014-06-09 18:07:21
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324