Hi Dan, Thanks for the info,
/Jack > -----邮件原件----- > 发件人: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] 代表 Daniel P. Berrange > 发送时间: 2007年10月18日 23:28 > 收件人: Jack Meng > 抄送: libvir-list@redhat.com; [EMAIL PROTECTED] > 主题: Re: [Libvir] Is it possible to add an interface to > intercept themigration process? > > > On Thu, Oct 18, 2007 at 05:29:53PM +0800, Jack Meng wrote: > > Thanks for your reply. > > Actually I'm thinking about how to recognize the same storage > > (probably > > external), not things on them. Sometimes storages are > shared between > > hosts but have different paths to access, e.g., for fibre channel > > storages. So an update to the conf file is probably needed > here to let > > the dest attach 'right' storages. > > Frankly this is a a solved problem already. If you need > persistent device names, don't use /dev/sdN. > > With SAN you can use device mapper multipath to make your > devices appear as /dev/mpath/<WWN> where WWN is the world > world name for the LUN. Or you can setup udev rules to give > a similar persistent name. 'man scsi_id' > > Re-writing config files in Xen or libvir is just the wrong > place todo this. > > Dan. > -- > |=- Red Hat, Engineering, Emerging Technologies, Boston. +1 > 978 392 2496 -=| > |=- Perl modules: http://search.cpan.org/~danberr/ > -=| > |=- Projects: http://freshmeat.net/~danielpb/ > -=| > |=- GnuPG: 7D3B9505 F3C9 553F A1DA 4AC2 5648 23C1 B3DF > F742 7D3B 9505 -=| > > -- > Libvir-list mailing list > Libvir-list@redhat.com > https://www.redhat.com/mailman/listinfo/libvir-list > -- Libvir-list mailing list Libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list
