1、NetApp Multipath最佳实践配置NetAppMultipath最佳实践配置1. RedHatEnterpriseLinux6withALUAenabledsampleconfigurationfileThefollowingfileprovidesanexampleofthevaluesyouneedtosupplywhenyourhostisrunningRedHatEnterpriseLinux6withALUAenabled:defaultsuser_friendly_namesnomax_fdsmaxflush_on_last_delyesqueue_without_dae
2、monnoblacklistdevnodehda-zdevnode(ram|raw|loop|fd|md|dm-|sr|scd|st)0-9*devnodecciss.*devicesdevicevendorNETAPPproductLUNpath_grouping_policygroup_by_priofeatures3queue_if_no_pathpg_init_retries50prioaluapath_checkerturfailbackimmediatepath_selectorround-robin0hardware_handler1aluarr_weightuniformrr_
3、min_io128getuid_callout/lib/udev/scsi_id-g-u-d/dev/%n2. RedHatEnterpriseLinux6withoutALUAenabledsampleconfigurationfileThefollowingfileprovidesanexampleofthevaluesyouneedtosupplywhenyourhostisrunningRedHatEnterpriseLinux6anddoesnothaveALUAenabled.Note:UnlessyouarerunningtheiSCSIprotocolandDataONTAPo
4、peratingin7-Mode,youshouldhaveALUAenabled.defaultsuser_friendly_namesnomax_fdsmaxflush_on_last_delyesqueue_without_daemonnoblacklistdevnodehda-zdevnode(ram|raw|loop|fd|md|dm-|sr|scd|st)0-9*devnodecciss.*devicesdevicevendorNETAPPproductLUNpath_grouping_policygroup_by_priofeatures3queue_if_no_pathpg_i
5、nit_retries50prioontappath_checkerturfailbackimmediatepath_selectorround-robin0hardware_handler0rr_weightuniformrr_min_io128getuid_callout/lib/udev/scsi_id-g-u-d/dev/%n3. RedHatEnterpriseLinux6update1withALUAenabledsampleconfigurationfileThefollowingfileprovidesanexampleofthevaluesyouneedtosupplywhe
6、nyourhostisrunningRedHatEnterpriseLinux6update1withALUAenabled:defaultsuser_friendly_namesnomax_fdsmaxflush_on_last_delyesqueue_without_daemonnodev_loss_tmofast_io_fail_tmo5blacklistdevnodehda-zdevnode(ram|raw|loop|fd|md|dm-|sr|scd|st)0-9*devnodecciss.*devicesdevicevendorNETAPPproductLUNpath_groupin
7、g_policygroup_by_priofeatures3queue_if_no_pathpg_init_retries50prioaluapath_checkerturfailbackimmediatepath_selectorround-robin0hardware_handler1aluarr_weightuniformrr_min_io128getuid_callout/lib/udev/scsi_id-g-u-d/dev/%n4. RedHatEnterpriseLinux6update1withoutALUAenabledsampleconfigurationfileThefol
8、lowingfileprovidesanexampleofthevaluesyouneedtosupplywhenyourhostisrunningRedHatEnterpriseLinux6update1anddoesnothaveALUAenabled.Note:UnlessyouarerunningtheiSCSIprotocolandDataONTAPoperatingin7-Mode,youshouldhaveALUAenabled.defaultsuser_friendly_namesnomax_fdsmaxflush_on_last_delyesqueue_without_dae
9、monnodev_loss_tmofast_io_fail_tmo5blacklistdevnodehda-zdevnode(ram|raw|loop|fd|md|dm-|sr|scd|st)0-9*devnodecciss.*devicesdevicevendorNETAPPproductLUNpath_grouping_policygroup_by_priofeatures3queue_if_no_pathpg_init_retries50prioontappath_checkerturfailbackimmediatepath_selectorround-robin0hardware_h
10、andler0rr_weightuniformrr_min_io128getuid_callout/lib/udev/scsi_id-g-u-d/dev/%n5. RedHatEnterpriseLinux6update2withALUAenabledsampleconfigurationfileThefollowingfileprovidesanexampleofthevaluesyouneedtosupplywhenyourhostisrunningRedHatEnterpriseLinux6update2withALUAenabled:defaultsuser_friendly_name
11、snomax_fdsmaxflush_on_last_delyesqueue_without_daemonnodev_loss_tmoinfinityfast_io_fail_tmo5blacklistdevnodehda-zdevnode(ram|raw|loop|fd|md|dm-|sr|scd|st)0-9*devnodecciss.*devicesdevicevendorNETAPPproductLUNpath_grouping_policygroup_by_priofeatures3queue_if_no_pathpg_init_retries50prioaluapath_check
12、erturfailbackimmediatepath_selectorround-robin0hardware_handler1aluarr_weightuniformrr_min_io128getuid_callout/lib/udev/scsi_id-g-u-d/dev/%n6. RedHatEnterpriseLinux6update2withoutALUAenabledsampleconfigurationfileThefollowingfileprovidesanexampleofthevaluesyouneedtosupplywhenyourhostisrunningRedHatE
13、nterpriseLinux6update2anddoesnothaveALUAenabled.Note:UnlessyouarerunningtheiSCSIprotocolandDataONTAPoperatingin7-Mode,youshouldhaveALUAenabled.defaultsuser_friendly_namesnomax_fdsmaxflush_on_last_delyesqueue_without_daemonnodev_loss_tmoinfinityfast_io_fail_tmo5blacklistdevnodehda-zdevnode(ram|raw|lo
14、op|fd|md|dm-|sr|scd|st)0-9*devnodecciss.*devicesdevicevendorNETAPPproductLUNpath_grouping_policygroup_by_priofeatures3queue_if_no_pathpg_init_retries50prioontappath_checkerturfailbackimmediatepath_selectorround-robin0hardware_handler0rr_weightuniformrr_min_io128getuid_callout/lib/udev/scsi_id-g-u-d/
15、dev/%n7. RedHatEnterpriseLinux5update8orupdate7withALUAenabledsampleconfigurationfileThisfileprovidesanexampleofthevaluesyouneedtosupplywhenyourhostisrunningRedHatEnterpriseLinux5withupdate8orupdate7andhasALUAenabled.Note:BothRedHatEnterpriseLinux5update8andRedHatEnterpriseLinux5update7usethesameval
16、uesintheDM-Multipathconfigurationfile,sothisfilecanapplytoeitherversion.defaultsuser_friendly_namesnoqueue_without_daemonnoflush_on_last_delyesmax_fdsmaxpg_prio_calcavgblacklistdevnodehda-zdevnode(ram|raw|loop|fd|md|dm-|sr|scd|st)0-9*devnodecciss.*devicesdevicevendorNETAPPproductLUNpath_grouping_pol
17、icygroup_by_priofeatures3queue_if_no_pathpg_init_retries50prio_callout/sbin/mpath_prio_alua/dev/%npath_checkerturpath_selectorround-robin0failbackimmediatehardware_handler1aluarr_weightuniformrr_min_io128getuid_callout/sbin/scsi_id-g-u-s/block/%n8. RedHatEnterpriseLinux5update8orupdate7withoutALUAen
18、abledsampleconfigurationfileThisfileprovidesanexampleofthevaluesyouneedtosupplywhenyourhostisrunningRedHatEnterpriseLinux5withupdate8orupdate7anddoesnothaveALUAenabled.Note:UnlessyouarerunningtheiSCSIprotocolandDataONTAPoperatingin7-Mode,youshouldhaveALUAenabled.defaultsuser_friendly_namesnoqueue_wi
19、thout_daemonnoflush_on_last_delyesmax_fdsmaxpg_prio_calcavgblacklistdevnodehda-zdevnode(ram|raw|loop|fd|md|dm-|sr|scd|st)0-9*devnodecciss.*devicesdevicevendorNETAPPproductLUNpath_grouping_policygroup_by_priofeatures3queue_if_no_pathpg_init_retries50prio_callout/sbin/mpath_prio_ontap/dev/%npath_check
20、erturpath_selectorround-robin0failbackimmediatehardware_handler0rr_weightuniformrr_min_io128getuid_callout/sbin/scsi_id-g-u-s/block/%n9. RedHatEnterpriseLinux5update6withALUAenabledsampleconfigurationfileThisfileprovidesanexampleofthevaluesyouneedtosupplywhenyourhostisrunningRedHatEnterpriseLinux5wi
21、thupdate6andhasALUAenabled:defaultsuser_friendly_namesnoqueue_without_daemonnoflush_on_last_delyesmax_fdsmaxpg_prio_calcavgblacklistdevnodehda-zdevnode(ram|raw|loop|fd|md|dm-|sr|scd|st)0-9*devnodecciss.*devicesdevicevendorNETAPPproductLUNpath_grouping_policygroup_by_priofeatures1queue_if_no_pathprio
22、_callout/sbin/mpath_prio_alua/dev/%npath_checkerdirectiopath_selectorround-robin0failbackimmediatehardware_handler1aluarr_weightuniformrr_min_io128getuid_callout/sbin/scsi_id-g-u-s/block/%n10. RedHatEnterpriseLinux5update6withoutALUAenabledsampleconfigurationfileThisfileprovidesanexampleofthevaluesy
23、ouneedtosupplywhenyourhostisrunningRedHatEnterpriseLinux5withupdate6anddoesnothaveALUAenabled.Note:UnlessyouarerunningtheiSCSIprotocolandDataONTAPoperatingin7-Mode,youshouldhaveALUAenabled.defaultsuser_friendly_namesnoqueue_without_daemonnoflush_on_last_delyesmax_fdsmaxpg_prio_calcavgblacklistdevnod
24、ehda-zdevnode(ram|raw|loop|fd|md|dm-|sr|scd|st)0-9*devnodecciss.*devicesdevicevendorNETAPPproductLUNpath_grouping_policygroup_by_priofeatures1queue_if_no_pathprio_callout/sbin/mpath_prio_ontap/dev/%npath_checkerdirectiopath_selectorround-robin0failbackimmediatehardware_handler0rr_weightuniformrr_min
25、_io128getuid_callout/sbin/scsi_id-g-u-s/block/%n11. RedHatEnterpriseLinux4Update9sampleconfigurationfileThisfileprovidesanexampleofthevaluesyouneedtosupplywhenyourhostisrunningRedHatEnterpriseLinux4Update9:defaultsuser_friendly_namesnoqueue_without_daemonnomax_fdsmaxflush_on_last_delyesdevnode_black
26、listdevnodehda-zdevnode(ram|raw|loop|fd|md|dm-|sr|scd|st)0-9*devnodecciss.*devicesdevicevendorNETAPPproductLUNgetuid_callout/sbin/scsi_id-g-u-s/block/%nprio_callout/sbin/mpath_prio_ontap/dev/%nfeatures1queue_if_no_pathhardware_handler0path_grouping_policygroup_by_priopath_selectorround-robin0failbac
27、kimmediaterr_weightuniformrr_min_io128path_checkerdirectio12. SUSELinuxEnterpriseServer11,11SP1withALUAenabledsampleconfigurationfileThefollowingfileprovidesanexampleofthevaluesyouneedtosupplywhenyourhostisrunningeitherSUSELinuxEnterpriseServer11or11SP1withALUA:defaultsuser_friendly_namesnomax_fdsma
28、xflush_on_last_delyesblacklistdevnodehda-zdevnode(ram|raw|loop|fd|md|dm-|sr|scd|st)0-9*devnodecciss.*devicesdevicevendorNETAPPproductLUNgetuid_callout/lib/udev/scsi_id-g-u-d/dev/%nprioaluafeatures1queue_if_no_pathhardware_handler1aluapath_grouping_policygroup_by_priopath_selectorround-robin0failback
29、immediaterr_weightuniformrr_min_io128path_checkertur13. SUSELinuxEnterpriseServer11,11SP1withoutALUAThefollowingfileprovidesanexampleofthevaluesyouneedtosupplywhenyourhostisrunningSUSELinuxEnterpriseServer11or11SP1andALUAisnotenabled.Note:UnlessyouarerunningtheiSCSIprotocolandDataONTAPoperatingin7-Mode,youshouldhaveALUAenabled.defaultsuser_friendly_namesnomax_fdsmaxflush_o
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