Examples of using Luns in English and their translations into Russian
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Managing LUNs in an iSCSI environment.
You can use any of the following interfaces to expose disks or LUNs.
LUNs are automatically assigned when they are created.
Some versions of iSCSI management support multiple LUNs on a single target.
For iSCSI, LUNs are first assigned to logical entities called targets.
You can also use the Provision Storage Wizard to create LUNs on storage subsystems.
Simple LUNs use only one physical drive or one portion of a physical drive.
NAS OS supports advanced iSCSI configurations that allow you to assign several LUNs to a single target.
For iSCSI, LUNs are first assigned to logical entities called targets.
Use SimplyiSCSI when creating an iSCSI target that does not require multiple LUNs, or logical unit numbers.
Spanned LUNs are simple LUNs that span multiple physical drives.
In most cases, the storage should contain multiple, separate disks(LUNs) that are configured at the hardware level.
Striped LUNs cannot be extended or mirrored, and do not offer fault tolerance.
After you create a server cluster, you can assign LUNs to it in the same way you assign LUNs to individual servers.
Joseph Luns(1911- 2002), a Dutch diplomat, politician and fifth Secretary General of the NATO.
When you remove a target, all initiators currently logged on to that target will no longer be able to access the LUNs that are assigned to that target.
If the appropriate disks or LUNs are not already accessible to both servers, make them accessible.
The iSCSI initiator first logs on to the target. The target must grant access before the server can start reading and writing to all LUNs that are assigned to that target.
The types of LUNs that you can create depend on the types of LUNs that are supported by each of your storage subsystems.
If the volume that you delete is the last volume on a LUN, the LUN is reclaimed andthe space is then available for creating new LUNs.
Unlike in a Fibre Channel environment, LUNs created on an iSCSI disk storage subsystem are not only assigned to a server or cluster.
With Storage Manager for SANs, you can configure the connections that servers in your SAN will use to access the LUNs that you create on your storage subsystems.
You assign logical unit numbers(LUNs) to a target, and all servers that log on to that target will have access to the LUNs assigned to it.
Another enterprise scenario could involve SSDs that make up a large"share pool" of storage where physical SSDs are segmented into multiple LUNs and shared amongst multiple hosts.
Using LUNs simplifies the management of storage resources because they serve as logical identifiers through which you can assign access and control privileges.
High availability is a critical design consideration in this example andfirmware-based PFAIL protection ensures successful recovery of the SSD that services these LUNs and hosts.
Striped LUNs with parity are fault-tolerant LUNs with data and parity spread intermittently across three or more physical disks.
Buffer overflow in the SCSI implementation in QEMU, when a SCSI controller has more than 256 attached devices,allows local users to gain privileges via a small transfer buffer in a REPORT LUNS command.
Using LUNs simplifies the management of storage resources in your SAN because they serve as logical identifiers through which you can assign access and control privileges.
While you are connected, Storage Manager for SANs allows you to create and manage LUNs on Fibre Channel and iSCSI disk storage subsystems that are discovered by Virtual Disk Service(VDS) on the remote computer.

