NetAppMultipath最佳实践配置

1、NetApp Multipath最佳实践配置1. Red Hat Enterprise Linux 6 with ALUA enabled sample configuration fileThe following file provides an example of the values you need to supply when your host is runningRed Hat En terprise Li nux 6 with ALUA en abled:defaults user_frie ndly_ names nomax_fds maxflush_ on _last_

2、del yes queue_without_daem on no blacklist dev node "Ahda-z" dev node "A(ram|raw|loop|fd|md|dm-|sr|scd|st)0-9*" dev node "cciss.*"devices device ven dor "NETAPP" product "LUN" path_group in g_policy group_by_prio features "3 queue_if_ no_path pg

3、_i ni t_retries 50" prio "alua" path_checker tur failback immediate path_selector "ro un d-rob in 0" hardware_ha ndler "1 alua" rr_weight uniform rr_mino 128 getuid_callout "/lib/udev/scsi_id -g -u -d /dev/% n" 2. Red Hat Enterprise Linux 6 without ALUA e

4、nabled sample configuration fileThe following file provides an example of the values you need to supply when your host is runningRed Hat En terprise Linux 6 and does not have ALUA en abled.Note: Un less you are running the iSCSI protocol and Data ONTAP operati ng in 7-Mode, you should have ALUA en a

5、bled.defaults user_frie ndly_ names nomax_fds maxflush_ on _last_del yesqueue_without_daem on noblacklist dev node "Ahda-z"dev node "A(ram|raw|loop|fd|md|dm-|sr|scd|st)0-9*"dev node "cciss.*"devices device ven dor "NETAPP"product "LUN"path_group in g

6、_policy group_by_priofeatures "3 queue_if_ no_path pg_i ni t_retries 50"prio "on tap"path_checker turfailback immediatepath_selector "ro un d-rob in 0"hardware_ha ndler "0"rr_weight uniformrr_mino 128getuid_callout "/lib/udev/scsi_id -g -u -d /dev/% n&quo

7、t;3. Red Hat Enterprise Linux 6 update 1 with ALUA enabled sample configurationfileThe following file provides an example of the values you need to supply when your host is runningRed Hat En terprise Li nux 6 update 1 with ALUA en abled:defaults user_frie ndly_ names nomax_fds maxflush_ on _last_del

8、 yesqueue_without_daem on nodev_loss_tmo 2147483647 fast_io_fail_tmo 5blacklist dev node "Ahda-z"dev node "A(ram|raw|loop|fd|md|dm-|sr|scd|st)0-9*" dev node "cciss.*"devices device ven dor "NETAPP" product "LUN" path_group in g_policy group_by_prio f

9、eatures "3 queue_if_ no_path pg_i ni t_retries 50" prio "alua" path_checker tur failback immediatepath_selector "ro un d-rob in 0" hardware_ha ndler "1 alua" rr_weight uniform rr_mino 128getuid_callout "/lib/udev/scsi_id -g -u -d /dev/% n"4. Red Hat

10、Enterprise Linux 6 update 1 without ALUA enabled sample configuration fileThe following file provides an example of the values you need to supply when your host is runningRed Hat En terprise Linux 6 update 1 and does not have ALUA en abled.Note: Un less you are running the iSCSI protocol and Data ON

11、TAP operati ng in 7-Mode, youshould have ALUA en abled.defaults user_frie ndly_ names nomax_fds maxflush_ on _last_del yesqueue_without_daem on nodev_loss_tmo 2147483647fast_io_fail_tmo 5blacklist dev node "Ahda-z"dev node "A(ram|raw|loop|fd|md|dm-|sr|scd|st)0-9*"dev node "c

12、ciss.*"devices device ven dor "NETAPP"product "LUN"path_group in g_policy group_by_priofeatures "3 queue_if_ no_path pg_i ni t_retries 50"prio "on tap"path_checker turfailback immediatepath_selector "ro un d-rob in 0"hardware_ha ndler "0&qu

13、ot;rr_weight uniformrr_mino 128getuid_callout "/lib/udev/scsi_id -g -u -d /dev/% n"5. Red Hat Enterprise Linux 6 update 2 with ALUA enabled sample configurationfileThe following file provides an example of the values you need to supply when your host is runningRed Hat En terprise Linux 6 u

14、pdate 2 with ALUA en abled:defaults user_frie ndly_ names nomax_fds maxflush_ on _last_del yesqueue_without_daem on nodev_loss_tmo infin ityfast_io_fail_tmo 5blacklist dev node "Ahda-z"dev node "A(ram|raw|loop|fd|md|dm-|sr|scd|st)0-9*"dev node "cciss.*"devices device ve

15、n dor "NETAPP"product "LUN"path_group in g_policy group_by_priofeatures "3 queue_if_ no_path pg_i ni t_retries 50"prio "alua"path_checker turfailback immediatepath_selector "ro un d-rob in 0"hardware_ha ndler "1 alua"rr_weight uniformrr_min

16、o 128getuid_callout "/lib/udev/scsi_id -g -u -d /dev/% n"6. Red Hat Enterprise Linux 6 update 2 without ALUA enabled sample configuration fileThe following file provides an example of the values you need to supply when your host is runningRed Hat En terprise Linux 6 update 2 and does not h

17、ave ALUA en abled.Note: Un less you are running the iSCSI protocol and Data ONTAP operati ng in 7-Mode, you should have ALUA en abled.defaults user_frie ndly_ names nomax_fds maxflush_ on _last_del yesqueue_without_daem on nodev_loss_tmo infin ity fast_io_fail_tmo 5 blacklist dev node "Ahda-z&q

18、uot; dev node "A(ram|raw|loop|fd|md|dm-|sr|scd|st)0-9*" dev node "cciss.*"devices device ven dor "NETAPP"product "LUN"path_group in g_policy group_by_priofeatures "3 queue_if_ no_path pg_i ni t_retries 50"prio "on tap"path_checker turfailba

19、ck immediatepath_selector "ro un d-rob in 0"hardware_ha ndler "0" rr_weight uniform rr_mino 128 getuid_callout "/lib/udev/scsi_id -g -u -d /dev/% n" 7. Red Hat Enterprise Linux 5 update 8 or update 7 with ALUA enabled sampleconfiguration fileThis file provides an exampl

20、e of the values you n eed to supply whe n your host is running RedHatEn terprise Linux 5 with update 8 or update 7 and has ALUA en abled.Note: Both Red Hat Enterprise Linux 5 update 8 and Red Hat Enterprise Linux 5 update 7 use the same values in the DM-Multipath con figurati on file, so this file c

21、an apply to either vers ion. defaults user_frie ndly_ names noqueue_without_daem on noflush_ on _last_del yesmax fds max pg_prio_calc avgblacklist dev node "Ahda-z"dev node "A(ram|raw|loop|fd|md|dm-|sr|scd|st)0-9*"dev node "cciss.*"devices device ven dor "NETAPP&qu

22、ot; product "LUN"path_group in g_policy group_by_priofeatures "3 queue_if_ no_path pg_i ni t_retries 50" prio_callout "/sb in/mpath_prio_alua /dev/% n" path_checker turpath_selector "ro un d-rob in 0" failback immediate hardware_ha ndler "1 alua"rr_w

23、eight uniformrr_mino 128getuid_callout "/sb in/scsi_id -g -u -s /block/% n" 8. Red Hat Enterprise Linux 5 update 8 or update 7 without ALUA enabled sampleconfiguration fileThis file provides an example of the values you n eed to supply whe n your host is running RedHatEn terprise Linux 5 w

24、ith update 8 or update 7 and does not have ALUA en abled.Note: Un less you are running the iSCSI protocol and Data ONTAP operati ng in 7-Mode, you should have ALUA en abled.defaults user_frie ndly_ names noqueue_without_daem on noflush_ on _last_del yesmax_fds maxpg_prio_calc avgblacklist dev node &

25、quot;Ahda-z"dev node "A(ram|raw|loop|fd|md|dm-|sr|scd|st)0-9*"dev node "cciss.*"devices device ven dor "NETAPP"product "LUN"path_group in g_policy group_by_priofeatures "3 queue_if_ no_path pg_i ni t_retries 50"prio_callout "/sb in/mpath_pr

26、io_ on tap /dev/% n"path_checker turpath_selector "ro un d-rob in 0"failback immediatehardware_ha ndler "0"rr_weight uniformrr_mino 128getuid_callout "/sb in/scsi_id -g -u -s /block/% n"9. Red Hat En terprise Linux 5 update 6 with ALUA en abled sample con figurati

27、onfileThis file provides an example of the values you n eed to supply whe n your host is running RedHatEn terprise Linux 5 with update 6 and has ALUA en abled:defaults user_frie ndly_ names noqueue_without_daem on noflush_ on _last_del yesmax_fds maxpg_prio_calc avgblacklist dev node "Ahda-z&qu

28、ot;dev node "A(ram|raw|loop|fd|md|dm-|sr|scd|st)0-9*"dev node "cciss.*"devices device ven dor "NETAPP"product "LUN"path_group in g_policy group_by_priofeatures "1 queue_if_ no_path"prio_callout "/sb in/mpath_prio_alua /dev/% n"path_checker

29、directiopath_selector "ro un d-rob in 0"failback immediatehardware_ha ndler "1 alua"rr_weight uniformrr_mino 128getuid_callout "/sb in/scsi_id -g -u -s /block/% n"10. Red Hat Enterprise Linux 5 update 6 without ALUA enabled sample configuration fileThis file provides an

30、 example of the values you n eed to supply whe n your host is running RedHatEn terprise Linux 5 with update 6 and does not have ALUA en abled.Note: Un less you are running the iSCSI protocol and Data ONTAP operati ng in 7-Mode, you should have ALUA en abled.defaults user_frie ndly_ names noqueue_wit

31、hout_daem on noflush_ on _last_del yesmax_fds maxpg_prio_calc avgblacklist dev node "Ahda-z"dev node "A(ram|raw|loop|fd|md|dm-|sr|scd|st)0-9*"dev node "cciss.*"devices device ven dor "NETAPP"product "LUN"path_group in g_policy group_by_priofeatures &

32、quot;1 queue_if_ no_path"prio_callout "/sb in/mpath_prio_ on tap /dev/% n"path_checker directiopath_selector "ro un d-rob in 0"failback immediatehardware_ha ndler "0"rr_weight uniformrr_mino 128getuid_callout "/sb in/scsi_id -g -u -s /block/% n"11. Red Ha

33、t Enterprise Linux 4 Update 9 sample configuration fileThis file provides an example of the values you n eed to supply whe n your host is running RedHatEn terprise Linux 4 Update 9:defaultsuser_frie ndly_ names noqueue_without_daem on nomax_fds maxflush_ on _last_del yesdev no de_blacklistdev node &

34、quot;Ahda-z"dev node "A(ram|raw|loop|fd|md|dm-|sr|scd|st)0-9*"dev node "cciss.*"devicesdeviceven dor "NETAPP"product "LUN"getuid_callout "/sb in/scsi_id -g -u -s /block/% n"prio_callout "/sb in/mpath_prio_ on tap /dev/% n"features &quo

35、t;1 queue_if_ no_path"hardware_ha ndler "0"path_group in g_policy group_by_priopath_selector "ro un d-rob in 0"failback immediaterr_weight uniformrr_mino 128path_checker directio12. SUSE Linux Enterprise Server 11, 11 SP1 with ALUA enabled sample configuration fileThe follow

36、ing file provides an example of the values you need to supply when your host is runningeither SUSE Linux Enterprise Server 11 or 11 SP1 with ALUA:defaultsuser_frie ndly_ names nomax_fds maxflush_ on _last_del yesblacklistdev node "Ahda-z"dev node "A(ram|raw|loop|fd|md|dm-|sr|scd|st)0-

37、9*"dev node "cciss.*"devicesdeviceven dor "NETAPP"product "LUN"getuid_callout "/lib/udev/scsi_id -g -u -d /dev/% n"prio "alua"features "1 queue_if_ no_path"hardware_ha ndler "1 alua"path_group in g_policy group_by_priopath_se

38、lector "ro un d-rob in 0"failback immediaterr_weight un iformrr min io 128 path_checker tur13. SUSE Linux Enterprise Server 11, 11 SP1 without ALUAThe following file provides an example of the values you need to supply when your host is runningSUSE Linux Enterprise Server 11 or 11 SP1 and

39、ALUA is not enabled.Note: Un less you are running the iSCSI protocol and Data ONTAP operati ng in 7-Mode, you should have ALUA en abled.defaults user_frie ndly_ names no max_fds max flush_ on _last_del yes blacklistdevnode"A hda-z""A(ram|raw|loop|fd|md|dm-|sr|scd|st)0-9*""Ac

40、ciss.*" devnode devnodedevices Deviceven dor "NETAPP"product "LUN"getuid_callout "/lib/udev/scsi_id -g -u -d /dev/% n" prio "on tap"features "1 queue_if_ no_path"hardware handler "0" path_group in g_policy group_by_prio path_selector &

41、quot;ro un d-rob in 0" failback immediate rr_weight uniform rr_mino 128 path_checker tur14. SUSE Li nux En terprise Server 11 SP2 with ALUA en abled sample con figuration fileThe following file provides an example of the values you need to supply when your host isrunningSUSE Li nux En terprise Server 11 SP2 with ALUA:defaultsuser_frie ndly_ names nomax_fds maxqueue_without_daem on noflush_ on _last_del yesbl