Dell PowerEdge External Media System 1634 매뉴얼 사용 - 페이지 14
{카테고리_이름} Dell PowerEdge External Media System 1634에 대한 매뉴얼 사용을 온라인으로 검색하거나 PDF를 다운로드하세요. Dell PowerEdge External Media System 1634 16 페이지. Statement of volatility
Dell PowerEdge External Media System 1634에 대해서도 마찬가지입니다: 시작하기 매뉴얼 (12 페이지), 매뉴얼 (38 페이지), 매뉴얼 (29 페이지), 구성 (16 페이지), 매뉴얼 (10 페이지)
페이지 인쇄
Dell High Availability and Disaster Recovery Solutions Using Microsoft SQL Server 2012 AlwaysOn
Availability Groups
Advantages and limitations of implementing AVG on shared storage
Advantages:
Cost effective HA and DR solution for Enterprise Customers
Instance level protection using FCIs
Support of multi-subnet FCI clustering enables a DR solution using AlwaysOn with multi-subnet
FCI
Flexible failover policy for granular trigger events for automatic failovers
Support for variety of storage types and configurations at each site (iSCSI, FC, SAS etc.)
May benefit from enhanced SAN features
Limitations:
No Automatic failover/failback support for FCI when it is combined with AVG functionality
AVG deployments on hybrid (HDD and SSD) storage
In HA and DR solutions, it is always a good practice to use high performing drives such as SSDs in the
primary site to get faster failover benefits and high performing databases within the primary site. Dell
th
12
generation servers (such as the R720 and R820) come with support for front-loading PCIe SSD
drives.
Benefits
Dell™ PowerEdge R720 and R820 servers support up to four 2.5-inch 350G front-access PCIe SSDs drives.
Figure 7 shows a possible deployment of AlwaysOn Availability Groups on the PCIe SSDs drives of Dell
PowerEdge servers.
Figure 7.
AVG deployments on SSD and HDD
14