NetApp Multipath最佳实践配置.docx

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