Hi,peter, Thank you for your help.Since i use "file:" instead of "tap2:aio:",that error has disappeared. BTW, I have another question to ask you.Does you mean that there are two resolutions (one is blktap and the other one is blkback driver)by which to implement the reading of virtual disk image on the xen VMM platform? I''m interested in the realm about blktap/blktap2 and blkback driver.I would like to know where to respectively set the blkback driver and blktap module to be included in the dom0 kernel. And If you could tell me the difference between the blktap/blktap2 and the blkback driver,that would be a pleasant surprise to me. hoho~ hxk _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-users
On 25/11/11 21:03, hxkhust wrote:> BTW, I have another question to ask you.Does you mean that there are two > resolutions (one is blktap and the other one is blkback driver)by which > to implement the reading of virtual disk image on the xen VMM platform?Yes.> I''m interested in the realm about blktap/blktap2 and blkback driver.I > would like to know where to respectively set the blkback driver and > blktap module to be included in the dom0 kernel.In the kernel config. I think (but I''m not sure) that blktap may not be included in the mainstream kernel yet and I don''t know if there is a patchset for it. I think the code is in the older 2.6.32 patched mayoung kernel but even here it needs to be enabled and the kernel rebuilt and I don''t know how well it works.> And If you could tell me the difference between the blktap/blktap2 and > the blkback driver,that would be a pleasant surprise to me. hoho~I think that blktap is newer. Other than that I honestly don''t know. Someone else can probably shed some more light on this for you than I can. Peter _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-users
2011/11/25 hxkhust <hxkhust@126.com>:> Hi,peter, >I''m> interested in the realm about blktap/blktap2 and blkback driver.I would > like to know where to respectively set the blkback driver and blktap module > to be included in the dom0 kernel.http://wiki.xen.org/xenwiki/blktap2
Thank you all the same.It''s very kind of you. hxk At 2011-11-26 07:04:28,Peter <peter@pajamian.dhs.org> wrote:>On 25/11/11 21:03, hxkhust wrote: >> BTW, I have another question to ask you.Does you mean that there are two >> resolutions (one is blktap and the other one is blkback driver)by which >> to implement the reading of virtual disk image on the xen VMM platform? > >Yes. > >> I''m interested in the realm about blktap/blktap2 and blkback driver.I >> would like to know where to respectively set the blkback driver and >> blktap module to be included in the dom0 kernel. > >In the kernel config. I think (but I''m not sure) that blktap may not be >included in the mainstream kernel yet and I don''t know if there is a >patchset for it. I think the code is in the older 2.6.32 patched >mayoung kernel but even here it needs to be enabled and the kernel >rebuilt and I don''t know how well it works. > >> And If you could tell me the difference between the blktap/blktap2 and >> the blkback driver,that would be a pleasant surprise to me. hoho~ > >I think that blktap is newer. Other than that I honestly don''t know. > >Someone else can probably shed some more light on this for you than I can. > > >Peter_______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-users