[pve-devel] scsi-hd vs scsi-generic with iSCSI

[Daniel Berteaud]

----- Le 2 Oct 19, à 18:41, Daniel Berteaud daniel at firewall-services.com a écrit :

> ----- Le 30 Sep 19, à 11:52, Thomas Lamprecht t.lamprecht at proxmox.com a écrit :
> 
>> 
>> Depends on the outcome of above, but effectively we would like to
>> not have the choice between "working or not", so ideally we can
>> just either fix it in QEMU or set the respective (working) option
>> for all new started VMs (QEMU machine versioned, to not break live
>> migration due to changed VM HW).
> 
> Just thinking about it, as scsi-hd, scsi-block scsi-generic won't present the
> same HW to the VM, moving disk from one storage to another is already broken if
> both source and dest are not the same type (eg if source uses scsi-hd but dest
> scsi-block or scsi-generic). Without even considering the issues I have when
> ZFS is used as a backend.


Just opened a new bug : https://bugzilla.proxmox.com/show_bug.cgi?id=2408
Moving disk between storages which would use different backend (scsi-hd, scsi-block or scsi-generic) make next migration crashes the guest. Not directly linked to ZFS over iSCSI, it's a more general issue.

Regards,
Daniel

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Daniel Berteaud 
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