NetAppMultipath最佳实践配置文档格式.docx

NetAppMultipath最佳实践配置文档格式.docx

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flush_on_last_delyes

queue_without_daemonno

}

blacklist{

devnode"

^hd[a-z]"

^（ram|raw|loop|fd|md|dm-|sr|scd|st）[0-9]*"

^cciss.*"

devices{

device{

vendor"

NETAPP"

product"

LUN"

path_grouping_policygroup_by_prio

features"

3queue_if_no_pathpg_init_retries50"

prio"

alua"

path_checkertur

failbackimmediate

path_selector"

round-robin0"

hardware_handler"

1alua"

rr_weightuniform

rr_min_io128

getuid_callout"

/lib/udev/scsi_id-g-u-d/dev/%n"

2.RedHatEnterpriseLinux6withoutALUAenabledsampleconfigurationfile

RedHatEnterpriseLinux6anddoesnothaveALUAenabled.

Note:

UnlessyouarerunningtheiSCSIprotocolandDataONTAPoperatingin7-Mode,you

shouldhaveALUAenabled.

ontap"

0"

3.RedHatEnterpriseLinux6update1withALUAenabledsampleconfigurationfile

RedHatEnterpriseLinux6update1withALUAenabled:

dev_loss_tmo2147483647

fast_io_fail_tmo5

4.RedHatEnterpriseLinux6update1withoutALUAenabledsampleconfigurationfile

RedHatEnterpriseLinux6update1anddoesnothaveALUAenabled.

5.RedHatEnterpriseLinux6update2withALUAenabledsampleconfigurationfile

RedHatEnterpriseLinux6update2withALUAenabled:

dev_loss_tmoinfinity

6.RedHatEnterpriseLinux6update2withoutALUAenabledsampleconfigurationfile

RedHatEnterpriseLinux6update2anddoesnothaveALUAenabled.

7.RedHatEnterpriseLinux5update8orupdate7withALUAenabledsampleconfigurationfile

ThisfileprovidesanexampleofthevaluesyouneedtosupplywhenyourhostisrunningRedHat

EnterpriseLinux5withupdate8orupdate7andhasALUAenabled.

BothRedHatEnterpriseLinux5update8andRedHatEnterpriseLinux5update7usethe

samevaluesintheDM-Multipathconfigurationfile,sothisfilecanapplytoeitherversion.

pg_prio_calcavg

prio_callout"

/sbin/mpath_prio_alua/dev/%n"

/sbin/scsi_id-g-u-s/block/%n"

8.RedHatEnterpriseLinux5update8orupdate7withoutALUAenabledsampleconfigurationfile

EnterpriseLinux5withupdate8orupdate7anddoesnothaveALUAenabled.

/sbin/mpath_prio_ontap/dev/%n"

9.RedHatEnterpriseLinux5update6withALUAenabledsampleconfigurationfile

EnterpriseLinux5withupdate6andhasALUAenabled:

1queue_if_no_path"

path_checkerdirectio

10.RedHatEnterpriseLinux5update6withoutALUAenabledsampleconfigurationfile

EnterpriseLinux5withupdate6anddoesnothaveALUAenabled.

11.RedHatEnterpriseLinux4Update9sampleconfigurationfile

EnterpriseLinux4Update9:

defaults

{

devnode_blacklist

devices

device

12.SUSELinuxEnterpriseServer11,11SP1withALUAenabledsampleconfigurationfile

Thefollowingfileprovide