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linux:multipath [2016/09/02 11:43] vondra [Pridani noveho multipath zarizeni] |
linux:multipath [2017/03/13 17:24] (current) tomsa [Manual failover] |
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| `- 15:0:0:1 sdj 8:144 active ready running</code> | `- 15:0:0:1 sdj 8:144 active ready running</code> | ||
| * vzniklo nam zarizeni /dev/mapper/mach3, ktere pouzivame stejne jako jakekoli jine blokove zarizeni | * vzniklo nam zarizeni /dev/mapper/mach3, ktere pouzivame stejne jako jakekoli jine blokove zarizeni | ||
| + | |||
| + | ====Manual failover==== | ||
| + | 1) vyradit jednu z cest | ||
| + | <code bash> | ||
| + | echo offline > /sys/block/ [device name] /device/state | ||
| + | </code> | ||
| + | 2) cestu vratit zpet | ||
| + | <code bash> | ||
| + | echo running > /sys/block/ [device name] /device/state | ||
| + | </code> | ||
| + | |||
| + | Je to vhodne udelat po automatickem failover v pripade, ze se prepne cesta z fc na iscsi. Je nastaveno nevracet se zpet, takze zabitim aktivniho ISCSI donutime multipath zase zacit pouzivat FC | ||
| + | |||
linux/multipath.1472809436.txt.gz · Last modified: 2016/09/02 11:43 by vondra