fio command is : ./fio -filename=/dev/vda -direct=1 -iodepth 1 -thread -rw=randwrite -ioengine=psync -bs=16k -size=4G -numjobs=30 -runtime=100 -group_reporting -name=mytest
vmconfig: balloon: 1024 bootdisk: virtio2 cores: 2 ide2: none,media=cdrom memory: 4096 name: tt net0: bridge=vmbr0,e1000=66:37:31:32:34:37 numa: 0 ostype: l26 smbios1: uuid=ce775a6f-6652-43c4-aa92-69ffd3d20013 sockets: 1 virtio0: local-highspeed:vm-255-disk-2,size=60G virtio2: local-highspeed:vm-255-disk-1,size=8G raid10 is physical host's Raid-10 with 6 disks(SAS 10k 600G) local-highspeed is LogicalVolume on Raid-10 "do you have cache on your raid controller ?" I don't know what's means? At 2016-06-14 17:59:17, "Alexandre DERUMIER" <[email protected]> wrote: >>>Device: rrqm/s wrqm/s r/s w/s rsec/s wsec/s avgrq-sz avgqu-sz await svctm >>>%util >>>vda 0.00 71.00 8.00 226.00 64.00 2368.00 10.39 1.37 5.85 4.24 99.10 >>>but I test disk random write is better with fio tools, >>>bw=21518KB/s iops=1344 > > >do you have cache on your raid controller ? > >can you send the fio job config? > >can you send vmconfig ? > >what is the local raid10 filesystem ? > > > > >----- Mail original ----- >De: "haoyun" <[email protected]> >À: "proxmoxve" <[email protected]> >Envoyé: Mardi 14 Juin 2016 07:53:29 >Objet: [PVE-User] vm's disk io lower with local highspeed disk? > >hello everyone~ > > >I have a problem, >I have a new host is Dell R330, >run pve4.2 os >disk with 2 raid,one is raid1,another is raid10(sas 10k 600G * 6) >raid1 as system disk,raid10 as vm images >my mysql slave run on this vm with raid10 local disk(lvm). >the question is this vm's disk io is very slow, >that's why? >Device: rrqm/s wrqm/s r/s w/s rsec/s wsec/s avgrq-sz avgqu-sz await svctm >%util >vda 0.00 71.00 8.00 226.00 64.00 2368.00 10.39 1.37 5.85 4.24 99.10 >but I test disk random write is better with fio tools, >bw=21518KB/s iops=1344 >same vm,I use iscsi remote storage better than it, >Device: rrqm/s wrqm/s r/s w/s rsec/s wsec/s avgrq-sz avgqu-sz await svctm >%util >vda 0.00 0.00 0.00 3.00 0.00 24.00 8.00 0.00 0.33 0.33 0.10 >that's why? >who can help me? >What information is needed？please tell me? >thanks! >_______________________________________________ >pve-user mailing list >[email protected] >http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user >_______________________________________________ >pve-user mailing list >[email protected] >http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user _______________________________________________ pve-user mailing list [email protected] http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user
