centos7.3 in the BLK-MQ

Source: Internet
Author: User
Keywords CentOS kernel command line
Tags cat centos command line cost default etc kernel notes

Scsi-mq

RHEL7.2 Release note

Make it SCSI-MQ

Add scsi_mod.use_blk_mq=y to Kernel command line: (can also add dm_mod.use_blk_mq=y to BLK-MQ, reduce the cost of DM layer)

$ cat/etc/default/grub grub_timeout=5 grub_distributor= "$ (SED ' s, release. *$,g '/etc/system-release ')" grub_default= Saved grub_disable_submenu=true grub_terminal_output= "console" grub_cmdline_linux= "Crashkernel=auto rd.md.uuid= C13F982E:9AF61476:91E4A31E:1BC18C08 scsi_mod.use_blk_mq=y dm_mod.use_blk_mq=y rhgb quiet "GRUB_DISABLE_RECOVERY=" True "$ grub2-mkconfig-o/boot/efi/efi/centos/grub.cfg $ reboot

Make sure that you succeed

Tree/sys/class/block/sdl/mq/sys/class/block/dm-0/mq
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