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raid数据
[数据恢复答疑]重建RAID会破坏数据吗?重建RAID可以恢复
RAID数据
吗?
[问题]当RAID损坏,出现数据丢失的情况下,能否通过重建RAID结构来恢复
raid数据
?磁盘阵列环境出现的数据灾难中RAID信息丢失的情况占很大比例,很多工程师都有过这样的经历:按原来的RAID结构重建一下
RAID
,
数据
就恢复出来了。这种方式可行...
raid5/raid5e/raid5ee的性能对比及
raid数据
恢复原理
RAID
5 是一种存储性能、
数据
安全和存储成本兼顾的存储解决方案。
RAID
5可以理解为是
RAID
0和
RAID
1的折中方案。
RAID
5可以为系统提供
数据
安全保障,但保障程度要比Mirror低而磁盘空间利用率要比Mirror高。
RAID
5具有和
RAID
0相近似的
数据
...
raid数据
恢复案例_netAPP存储误删除数据
【故障描述】今天处理的
raid数据
恢复案例设备为NetApp 3210存储,文件系统为WAFL,造成数据丢失的原因是工作人员误操作将 NetApp 3210存储中重要数据删除,急需进行
raid数据
恢复操作。【恢复流程】1、完整备份:对原始存储设备已只读模式做...
IBM RAID5 4×146GB服务器
RAID数据
恢复成功
河北某IBM服务器,双机热备系统,其外挂
RAID
在一次重新拔插线后OFFLINE,其盘存储有用户重要
数据
,已经完全影响用户工厂生产。客户赶到北京后,连夜加班,第二天早成功恢复所有
数据
,实际工作时间约4小时。客户描述:3块盘的
RAID
5,离线后...
Dell PowerVault NF500
RAID数据
恢复过程记录
[
数据
恢复故障描述]一台Dell PowerVault NF500,内接3块300G SAS硬盘组成
RAID
5逻辑卷,操作系 统为WSS 2003,先后有两块硬盘离线导致整个NAS系统无法工作,DELL工程师强制上线后
数据
未成功恢复。原先的逻辑卷分为C、D两个区,C为系统分区,...
Dell PowerVault NF500
RAID数据
恢复过程记录
[
数据
恢复故障描述]一台Dell PowerVault NF500,内接3块300G SAS硬盘组成
RAID
5逻辑卷,操作系 统为WSS 2003,先后有两块硬盘离线导致整个NAS系统无法工作,DELL工程师强制上线后
数据
未成功恢复。原先的逻辑卷分为C、D两个区,C为系统分区,...
某网站服务器4*136G
RAID数据
恢复过程
[
数据
恢复故障描述]某网站服务器,品牌为组装,使用tyan(泰安)主板,AMD CPU*4,由4块68针SCSI硬盘
RAID
0组成存储体系(听说2007年花了5万元买的,而且采用
RAID
0,这个专业程度真是不敢恭维)。操作系统为LINUX,重要
数据
为MYSQL数据库及网站...
raid数据
恢复及回迁成功案例—北亚推荐
故障发生在两块盘组成的一个
raid
0上,其中的一块盘亮黄灯,被
raid
卡踢出后,
raid
崩溃,下面就把当时抢救
数据
的整个过程进行介绍。由于硬盘是两块SAS 300G的硬盘,先把硬盘从机器中拔出来,然后通过SAS HBA的方式直连到win的环境下,并在...
SATA 250GB*8
RAID数据
恢复过程记录
暂时简要记录 视频服务器,250G WD SATA×8,3WARE
RAID
0系统,由于磁盘介质不稳定造成
RAID
信息出错,所有
数据
不可读。重组结构后成功恢复所有
数据
。本文转自 张宇 51CTO博客,原文链接:http://blog.51cto.com/zhangyu/33745,如需转载请...
EMC FC AX-4存储崩溃数据恢复案例_
raid数据
恢复
br>二、备份
数据
由于
数据
恢复工作的特殊性,在
数据
恢复之前必须对所有原始
数据
进行备份,在本次
raid
5
数据
恢复中我们使用winhex把全部磁盘镜像成文件,由于源磁盘的扇区大小是520字节,所以还需要使用特殊工具把所有备份的
数据
再做...
1
2
3
4
...
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数据集成
数据集成(Data Integration)是阿里集团对外提供的可跨异构数据存储系统的、可靠、安全、低成本、可弹性扩展的数据同步平台,为400+对数据源提供不同网络环境下的全量/增量数据进出通道。
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产品文档
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常见问题
产品动态
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最佳实践
整库迁移
批量上云
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数据集成
数据集成(Data Integration)是阿里集团对外提供的可跨异构数据存储系统的、可靠、安全、低成本、可弹性扩展的数据同步平台,为400+对数据源提供不同网络环境下的全量/增量数据进出通道。
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产品价格
产品文档
产品入门
快速入门指导
常见问题
产品动态
产品最新动态
实时数据同步上线
最佳实践
整库迁移
批量上云