NetAppMultipath最佳实践配置文档格式.docx

1、flush_on_last_del yesqueue_without_daemon noblacklist devnode hda-z（ram|raw|loop|fd|md|dm-|sr|scd|st）0-9*cciss.*devices device vendor NETAPPproduct LUNpath_grouping_policy group_by_priofeatures 3 queue_if_no_path pg_init_retries 50prio aluapath_checker turfailback immediatepath_selector round-robin

2、0hardware_handler 1 aluarr_weight uniformrr_min_io 128getuid_callout /lib/udev/scsi_id -g -u -d /dev/%n2. Red Hat Enterprise Linux 6 without ALUA enabled sample configuration fileRed Hat Enterprise Linux 6 and does not have ALUA enabled.Note: Unless you are running the iSCSI protocol and Data ONTAP

3、operating in 7-Mode, youshould have ALUA enabled.ontap03. Red Hat Enterprise Linux 6 update 1 with ALUA enabled sample configuration fileRed Hat Enterprise Linux 6 update 1 with ALUA enabled:dev_loss_tmo 2147483647fast_io_fail_tmo 54. Red Hat Enterprise Linux 6 update 1 without ALUA enabled sample c

4、onfiguration fileRed Hat Enterprise Linux 6 update 1 and does not have ALUA enabled.5. Red Hat Enterprise Linux 6 update 2 with ALUA enabled sample configuration fileRed Hat Enterprise Linux 6 update 2 with ALUA enabled:dev_loss_tmo infinity6. Red Hat Enterprise Linux 6 update 2 without ALUA enabled

5、 sample configuration fileRed Hat Enterprise Linux 6 update 2 and does not have ALUA enabled.7. Red Hat Enterprise Linux 5 update 8 or update 7 with ALUA enabled sample configuration fileThis file provides an example of the values you need to supply when your host is running Red HatEnterprise Linux

6、5 with update 8 or update 7 and has ALUA enabled. Both Red Hat Enterprise Linux 5 update 8 and Red Hat Enterprise Linux 5 update 7 use thesame values in the DM-Multipath configuration file, so this file can apply to either version.pg_prio_calc avgprio_callout /sbin/mpath_prio_alua /dev/%n/sbin/scsi_

7、id -g -u -s /block/%n8. Red Hat Enterprise Linux 5 update 8 or update 7 without ALUA enabled sample configuration fileEnterprise Linux 5 with update 8 or update 7 and does not have ALUA enabled./sbin/mpath_prio_ontap /dev/%n9. Red Hat Enterprise Linux 5 update 6 with ALUA enabled sample configuratio

8、n fileEnterprise Linux 5 with update 6 and has ALUA enabled:1 queue_if_no_pathpath_checker directio10. Red Hat Enterprise Linux 5 update 6 without ALUA enabled sample configuration fileEnterprise Linux 5 with update 6 and does not have ALUA enabled.11. Red Hat Enterprise Linux 4 Update 9 sample configuration fileEnterprise Linux 4 Update 9:defaultsdevnode_blacklistdevicesdevice12. SUSE Linux Enterprise Server 11, 11 SP1 with ALUA enabled sample configuration fileThe following file provide