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Re: [Xen-users] "Boot loader did not return any data" to make HVM to PV

2012/10/23 Alexandre Kouznetsov <alk@xxxxxxxxxx>:
> Hi.
> El 23/10/12 18:27, Flako escribió:
>>    What you say is true about following tutorials, I try to follow one
>> that "works" :). (sometimes it is difficult to follow when they are
>> based on different Linux)
> Well, I expected a URL, to take a look on it...
>> When you say "consider moving to a more 'native' storage backend" What
>> do you mean?
>> What is the most native backend?
> I guess "raw" (file, or device like LVM's volume) is a better term then
> "native". It allows you to do all sort of things with the storage outside of
> your DomU, like snapshots for backups, access to individual partitions,
> pygrub...
>> Normally use tap: qcow2 by the reduction of disk space, is slower than
>> raw but for basic use of linux root I think is acceptable.
> I just searched for some more reference, and found that apparently pygrub
> does not supports qcow disk images:
> https://wiki.heprc.uvic.ca/twiki/bin/view/Main/QCOWSupport
> (they have expired SSL cert).
> Maybe that's the root of your troubles.
>> For intensive use (database or file server) use disk phy+lvm
>> Bad idea to combine qcow2 phy and the way I'm doing? which option
>> would be better?
> I use raw "phy" storage type.
> Never tried to combine different storage types (actually, only worked with
> "file" and "phy" over lvm), but it seems to be a good idea to maintain this
> things homogeneous unless there is a *good* reason not to do so.
> The root FS on my typical Linux PV instance takes less then 2GB. Even if a
> qcow could cut that to the half, I believe it does not worth it.
> I guess there are tools to convert from qcow2 to raw image.
> --
> Alexandre Kouznetsov

Use ZFS is tempting, but not natively supported by SUSE SLES (I have to wait ..)
A btrfs I have to try .. :)


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