Linux on System z Current & Future Technology - z/VM - IBM
Linux on System z Current & Future Technology - z/VM - IBM
Linux on System z Current & Future Technology - z/VM - IBM
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<strong>IBM</strong> <str<strong>on</strong>g>Linux</str<strong>on</strong>g> and <strong>Technology</strong> Center<strong>System</strong> z kernel features – Storage FCP• FICON Express8S hardware data router support for FCP (kernel 3.2)– FICON Express8S supports hardware data router, which requires an adapted qdiorequest format.– Improves performance by reducing the path length for data.• FCP support for DIF/DIX (kernel 3.2)– End to end data checking (aka data integrity extensi<strong>on</strong>) is no l<strong>on</strong>ger experimental.– Can be used with either direct I/O or with a file system that fully supports end-to-enddata c<strong>on</strong>sistency checking. <strong>Current</strong>ly XFS <strong>on</strong>ly.• SCSI device management tool (> s390-tools 1.14.0)– Implement a tool analog chccwdev which allows to enable/disable a SCSI LUNaddressed by HBA/target port/LUN.35© 2012 <strong>IBM</strong> Corporati<strong>on</strong>
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