Re: [Users] The purpose of Wipe on delete ?

2014-03-02 Thread Dan Kenigsberg
On Thu, Feb 27, 2014 at 09:16:10PM +, Dafna Ron wrote: wipe = writing zero's on the space allocated to that disk to make sure any data once written will be deleted permanently. so it's a security vs speed decision on using this option - since we zeroing the disk to make sure any

Re: [Users] The purpose of Wipe on delete ?

2014-02-28 Thread Sandro Bonazzola
Il 27/02/2014 22:16, Dafna Ron ha scritto: wipe = writing zero's on the space allocated to that disk to make sure any data once written will be deleted permanently. so it's a security vs speed decision on using this option - since we zeroing the disk to make sure any information once

Re: [Users] The purpose of Wipe on delete ?

2014-02-28 Thread Dafna Ron
1. you cannot use this option for nfs based storage since we zero the files any way when we delete the disk (the only way to actually delete it in nfs). 2. configuration on the storage side is the administrator decision... they can choose not to use this option and use a different method on

[Users] The purpose of Wipe on delete ?

2014-02-27 Thread Richard Davis
Hi What is the purpose of the Wipe on delete option for a VM disk ? Why would you not want data wiped on delete if the alternative is to leave LV metadata and other data languishing on the SD ? Thanks Rich ___ Users mailing list Users@ovirt.org

Re: [Users] The purpose of Wipe on delete ?

2014-02-27 Thread Dafna Ron
wipe = writing zero's on the space allocated to that disk to make sure any data once written will be deleted permanently. so it's a security vs speed decision on using this option - since we zeroing the disk to make sure any information once written will be overwritten, a delete of a large

[Users] The purpose of Wipe on delete ?

2014-02-27 Thread R P Herrold
On Thu, 27 Feb 2014, Richard Davis wrote: What is the purpose of the Wipe on delete option for a VM disk ? Why would you not want data wiped on delete if the alternative is to leave LV metadata and other data languishing on the SD ? debugging, cloning, snapshot backups, and giving 'second