[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Is there an issue with turning off "scrubbing free RAM" on boot with Xen 4.1.3
On Wed, Oct 09, 2013 at 11:24:22AM -0700, Roddy Rodstein wrote: > Greetings, > > Thank you in advance for your support! > > Our HP Xen 4.1.3 servers have 1TB of RAM, each Xen servers take 20 minutes > to boot largely due to the "scrub free RAM" phase. If/when we have dom0 > failures and HA kicks-in, we would like to reduce the boot time to make > the resource quickly available, perhaps using the no-bootscrub attribute > in grub.conf. > > Could you please share your comments about turning of RAM scrubbing, i.e. > have you seen any consequences, security issues and/or threats, red flags, > etc...? > > We have asked the same question at the commercially supported Xen forums, > i.e. Oracle and Citrix, as well as to each aforementioned support team, > and have not received a lick of meaningful information. > If that's a custom build of Xen you can apply the patches that optimize the boot time memory scrubbing, they've been posted to xen-devel a couple of times.. -- Pasi > > > Respectfully, > > Roddy > > -- > Roddy Rodstein CEO and Founder > Mokum Solutions, Inc. > Phone: (415) 252-9164 > E-mail: [1]roddy.rodstein@xxxxxxxxxxxxxxxxxx Web: > [2]http://mokumsolutions.com and [3]http://itnewscast.com > Follow me on Twitter: [4]http://twitter.com/itnewscast > Up-to-date Oracle news by Mokum: [5]http://itnewscast.com/ > CONFIDENTIAL "The information contained in this e-mail and any attachment > is confidential. It is intended only for the named addressee(s). If you are > not the named addressee please notify the sender immediately and do not > disclose, copy or distribute the contents to any other person other than the > intended addressee(s)" > > References > > Visible links > 1. mailto:roddy.rodstein@xxxxxxxxxxxxxxxxxx > 2. http://mokumsolutions.com/ > 3. http://itnewscast.com/ > 4. http://twitter.com/itnewscast > 5. http://itnewscast.com/ > begin:vcard > fn:Roddy Rodstein > n:Rodstein;Roddy > email;internet:roddy.rodstein@xxxxxxxxxxxxxxxxxx > tel;work:4152529164 > tel;cell:4158602851 > version:2.1 > end:vcard > > _______________________________________________ > Xen-devel mailing list > Xen-devel@xxxxxxxxxxxxx > http://lists.xen.org/xen-devel _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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