[Bug 212681] I/O is slow for FreeBSD DOMu on XenServer

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Fri Feb 10 17:12:39 UTC 2017


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=212681

--- Comment #40 from rainer at ultra-secure.de ---
Here:

(freebsd11 </root>) 1 # sysctl -a |grep xbd
hw.xbd.xbd_enable_indirect: 0
dev.xbd.2.xenstore_peer_path: /local/domain/0/backend/vbd3/13/768
dev.xbd.2.xenbus_peer_domid: 0
dev.xbd.2.xenbus_connection_state: Connected
dev.xbd.2.xenbus_dev_type: vbd
dev.xbd.2.xenstore_path: device/vbd/768
dev.xbd.2.features: write_barrier
dev.xbd.2.ring_pages: 1
dev.xbd.2.max_request_size: 40960
dev.xbd.2.max_request_segments: 11
dev.xbd.2.max_requests: 32
dev.xbd.2.%parent: xenbusb_front0
dev.xbd.2.%pnpinfo: 
dev.xbd.2.%location: 
dev.xbd.2.%driver: xbd
dev.xbd.2.%desc: Virtual Block Device
dev.xbd.1.xenstore_peer_path: /local/domain/0/backend/vbd3/13/832
dev.xbd.1.xenbus_peer_domid: 0
dev.xbd.1.xenbus_connection_state: Connected
dev.xbd.1.xenbus_dev_type: vbd
dev.xbd.1.xenstore_path: device/vbd/832
dev.xbd.1.features: write_barrier
dev.xbd.1.ring_pages: 1
dev.xbd.1.max_request_size: 40960
dev.xbd.1.max_request_segments: 11
dev.xbd.1.max_requests: 32
dev.xbd.1.%parent: xenbusb_front0
dev.xbd.1.%pnpinfo: 
dev.xbd.1.%location: 
dev.xbd.1.%driver: xbd
dev.xbd.1.%desc: Virtual Block Device
dev.xbd.0.xenstore_peer_path: /local/domain/0/backend/vbd3/13/5632
dev.xbd.0.xenbus_peer_domid: 0
dev.xbd.0.xenbus_connection_state: Connected
dev.xbd.0.xenbus_dev_type: vbd
dev.xbd.0.xenstore_path: device/vbd/5632
dev.xbd.0.features: write_barrier
dev.xbd.0.ring_pages: 1
dev.xbd.0.max_request_size: 40960
dev.xbd.0.max_request_segments: 11
dev.xbd.0.max_requests: 32
dev.xbd.0.%parent: xenbusb_front0
dev.xbd.0.%pnpinfo: 
dev.xbd.0.%location: 
dev.xbd.0.%driver: xbd
dev.xbd.0.%desc: Virtual Block Device
dev.xbd.%parent:

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