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Internet Small Computer Systems Interface or iSCSI (/ aɪ ˈ s k ʌ z i / ⓘ eye-SKUZ-ee) is an Internet Protocol-based storage networking standard for linking data storage facilities. iSCSI provides block-level access to storage devices by carrying SCSI commands over a TCP/IP network. iSCSI facilitates data transfers over intranets and to manage storage over long distances.
The drives within an A-unit and all other drives in a string had interfaces similar to the early interfaces, above. A-units connected to IBM Directors or integrated attachments . Small Computer System Interface (SCSI) , originally named SASI for Shugart Associates System Interface, is an early (circa 1978) industry standard interface explicitly ...
With iSER the target drives all data transfer (with the exception of iSCSI unsolicited data) by issuing RDMA write/read operations, respectively. When the iSCSI layer issues an iSCSI command PDU, it calls the Send_Control primitive, which is part of the DI. The Send_Control primitive sends the STag with the PDU.
An iSCSI target is a storage resource located on an iSCSI server (more generally, one of potentially many instances of iSCSI storage nodes running on that server) as a "target". An iSCSI target usually represents hard disk storage, often accessed using an Ethernet -based network.
Although the UNH-IOL SCSI target implementation only supports the iSCSI protocol, it was designed such that support for other storage protocols would be easy to add. [16] In 2004 the SCST project was announced, providing Fibre Channel and iSCSI support. The initial iSCSI target in SCST was based on the UNH-IOL iSCSI target implementation. [17]
Storwize V5000 – supports 6 Gbit SAS and 1 Gbit iSCSI host attachment and either 8 Gbit FC or 10 Gbit iSCSI/FCoE host attachment. The system can support up to 480 drives with nineteen expansion enclosures, and up to 960 drives in a two-way cluster configuration.
The IBM Storwize V7000 SFF Control Enclosure Model 624, announced 23 August 2016, features two node canisters and up to 256 GiB cache (system total) in a 2U, 19-inch rack mount enclosure. 1 Gbit/s iSCSI connectivity is standard, with options for 16 Gbit/s FC and 10 Gbit/s iSCSI/FCoE connectivity.
The Lake Shore Drive section of US 41 is a six- to eight-lane highway along the shores of Lake Michigan through Chicago's lakefront park system. It is a limited-access highway except for five signalized intersections near downtown Chicago. Just short of the northern terminus of Lake Shore Drive, US 41 exits at Foster Avenue.