You must know the SnapDrive for UNIX configuration options and understand how to use SnapDrive for UNIX.
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Configuring SnapDrive for UNIX
You can edit the snapdrive.conf file, which contains all the configuration variables and options used in SnapDrive for UNIX, to enable or disable options according to your requirements. You can also add variables to create host-specific usage.
What AutoSupport is
AutoSupport allows SnapDrive for UNIX to send any operational failures that is incurred due to SnapDrive is sent to the EMS log view of the storage system in the /etc/log/ems file.
Support for multipath access in SnapDrive for UNIX SnapDrive for UNIX supports FC multipath access to the storage systems using the standard multipathing software solution. By using multipathing, you can configure multiple network paths between the host and storage system.
Thin provisioning in SnapDrive for UNIX
The thin provisioning feature in SnapDrive for UNIX allows the user to have more storage space for the hosts than is actually available on the storage system.
Multiple subnet configuration
Multiple subnets are useful in an environment where you want to separate management traffic and data traffic. This separation creates a more secure environment for managing network traffic. SnapDrive 4.1.1 for UNIX and later versions running on servers in such environments supports all the SnapDrive operations available in stand-alone environments and host and HA pair environments.
Automatic detection of host entities SnapDrive for UNIX automatically detects the configuration of the host entity for some commands. A few snap storage commands need only the name of the host entity. In these cases, you do not have to specify the type of the host entity.
What SnapDrive wizards are
SnapDrive has different wizards that help you to perform a particular SnapDrive operation in an interactive manner.
Using port set in SnapDrive for UNIX
Port set is a group of SAN data port or interface, and is used to control the path available to a host by grouping the set of SAN data port or interface.
Configuring igroups SnapDrive for UNIX allows you to configure an igroup that exists on the storage system. The configured igroup is used to map the LUNs on the storage system.
Using Selective LUN Map in SnapDrive for UNIX
Beginning with clustered Data ONTAP 8.3, Selective LUN Map (SLM) is enabled by default on all new LUN maps. When you create a new LUN map, the LUN is accessible only through paths found on the node that owns that LUN and its HA partner.
FlexClone volumes in SnapDrive for UNIX
SnapDrive for UNIX supports FlexClone volumes, which are based on Data ONTAP FlexClone technology. A FlexClone volume is a point-in-time copy of a parent flexible volume. FlexClone volumes are faster than LUN clones, and they give you the flexibility to create multiple copies of data.