Hey, Please, tag emails' subjects. Thanks, FF On 26/12/13 16:56 +0900, cosmos cosmos wrote: >Hello. > >My name is Rucia for Samsung SDS. > > >I had in truouble in volume deleting. > >I am developing for supporting big data storage such as hadoop in lvm. > > >it use as a full disk io for deleting of cinder lvm volume because of dd the >high disk I/O affects the other hadoop instance on same host. > > >If using dd for deleting the volume, it takes too much time for deleting of >cinder lvm volume because of dd. > >Cinder volume is 200GB for supporting hadoop master data. > >When i delete cinder volume in using 'dd if=/dev/zero of $cinder-volume count= >1000000 bs=1M' it takes about 30 minutes. > > >So When I delete the volume, i added disk id scheduler, ionice. > >Thanks. > >https://blueprints.launchpad.net/cinder/+spec/ >when-deleting-volume-dd-performance > >_______________________________________________ >OpenStack-dev mailing list >OpenStack-dev at lists.openstack.org >http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev -- @flaper87 Flavio Percoco -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 819 bytes Desc: not available URL: <http://lists.openstack.org/pipermail/openstack-dev/attachments/20131230/1b36a15b/attachment.pgp>