From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx1.redhat.com (mx1.redhat.com [172.16.48.31]) by int-mx1.corp.redhat.com (8.13.1/8.13.1) with ESMTP id n138Wveu006556 for ; Tue, 3 Feb 2009 03:32:57 -0500 Received: from s1.echoreply.us (s1.echoreply.us [216.146.143.192]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id n138WadB022042 for ; Tue, 3 Feb 2009 03:32:36 -0500 Received: from [125.60.243.116] (helo=[10.92.1.2]) by s1.echoreply.us with esmtpsa (SSLv3:RC4-MD5:128) (Exim 4.69) (envelope-from ) id 1LUGl5-0006PN-JE for linux-lvm@redhat.com; Tue, 03 Feb 2009 03:35:52 -0500 Subject: Re: [linux-lvm] Is my xen hosting tech support misleading me? From: Tim Post In-Reply-To: <1233646457.5482.138.camel@localhost.localdomain> References: <1233644558.21625.12.camel@box0> <1233646457.5482.138.camel@localhost.localdomain> Date: Tue, 03 Feb 2009 16:32:27 +0800 Message-Id: <1233649947.5482.157.camel@localhost.localdomain> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Reply-To: echo@echoreply.us, LVM general discussion and development List-Id: LVM general discussion and development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , List-Id: Content-Type: text/plain; charset="utf-8" To: LVM general discussion and development Sorry to top post, but of course make sure the appropriate modules are loaded on boot (again, emphasis on not needing them to pivot_root) unless you have a VERY cooperative provider. Cheers, --Tim On Tue, 2009-02-03 at 15:34 +0800, Tim Post wrote: > On Tue, 2009-02-03 at 09:02 +0200, Shachar Or wrote: > > Hello. > > > > Attached is a question I've asked my xen hosting provider's technical > > support and the answer they've supplied. > > > > Sam sais "There is no LVM module available, so you would need to compile > > LVM by yourself from the Xen kernel sources." but I've no problem > > loading dm_mod and to my understanding of LVM, this is the only module > > needed. So is he just wrong? > > Probably, however your going to need to find out if you have the entire > dm_* family for the functionality that you want (i.e. snapshots). You > should (on your VM) simply be able to install lvm2 via yum, apt-get or > whatever packaging mechanism is provided by your distribution. > > I use lvm2 on literally hundreds of paravirtualized Xen guests without a > problem. > > A word of warning, don't make LV's (or their snapshots) a prerequisite > to boot .. since you have no control over your initrd. If your provider > has given you xvda and xvdb , use xvdb for your pv, keep the root file > system on xvda. > > Cheers, > --Tim > > > > > > Thanks. > > email message attachment, "הודעה מועברת - DOMAIN :" > > > -------- Forwarded Message -------- > > > From: Gandi Hosting > > > To: dawnlight@lavabit.com > > > Subject: DOMAIN : > > > Date: Mon, 2 Feb 2009 15:09:28 +0100 (CET) > > > > > > Hello, > > > > > > Thank you for your patience. > > > > > > There is no LVM module available, so you would need to compile LVM > > > by yourself from the Xen kernel sources. > > > > > > You will then need to activate the module. > > > > > > You should be able to find the appropriate help online. > > > > > > > > > I am at your disposal should you need any further information. > > > > > > Best regards, > > > Sam > > > > > > --------------------------------------- > > > Are you satisfied with the quality of the reply you received? > > > YES: http://www.gandi.net/faq/feedback/yes > > > NO: http://www.gandi.net/faq/feedback/no > > > > > > I would like to give more detailed feedback: > > > http://www.gandi.net/faq/feedback > > > --------------------------------------- > > > > > > > > > > > > Help about hosting / aide sur l'hébergement: http://wiki.gandi.net/ > > > > > > GANDI > > > http://www.gandi.net > > > > > > > > > -------------------------------------- > > > Product : hosting > > > Category : > > > Question : > > > FirstName : Shachar > > > LastName : Or > > > CompanyName : > > > Email : dawnlight@lavabit.com > > > Domain : > > > DomainNB : > > > Handle : SO866-GANDI > > > Anciennet : > > > Transaction : > > > Message : Hello. > > > > > > This is a technical question about a problem I'm experiencing with LVM on my virtual server. > > > > > > The issue is that logical volumes are not activated on bootup. This prevents me from using /etc/fstab to mount them. > > > > > > root@shacharor:~# lvdisplay | grep 'LV Status' && udevtrigger && udevsettle && lvdisplay | grep 'LV Status' > > > LV Status NOT available > > > LV Status available > > > root@shacharor:~# > > > > > > This shows that udev handles logical volumes correctly and does activate them. But why doesn't it do it on bootup? > > > > > > Thanks. > > > > > > > > _______________________________________________ > > linux-lvm mailing list > > linux-lvm@redhat.com > > https://www.redhat.com/mailman/listinfo/linux-lvm > > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/ > > > _______________________________________________ > linux-lvm mailing list > linux-lvm@redhat.com > https://www.redhat.com/mailman/listinfo/linux-lvm > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/