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Re: [libvirt] [PATCH v3 4/7] qemu: Translate the iscsi pool/volume disk source



Il 23/07/2013 15:26, Daniel P. Berrange ha scritto:
>> > 
>> > Ok, this answers my question. :)
>> > 
>> > I think the default mode should be direct, because otherwise things such
>> > as persistent reservations do not work.
> No, the default has to be host mode, because that is the only mode that
> is guaranteed to be usable with any QEMU. The direct mode requires a
> QEMU that is new enough, and a distro to have enabled it. We can't
> rely on that as a default choice.

Volume sources are also new enough that you can assume a good QEMU.

Host mode for iSCSI is broken.  It also doesn't reconnect well if you
have a network problem, because after a LUN rescan the inode may change.

Paolo


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