On 07/17/2012 10:47 AM, Paolo Bonzini wrote: > Il 17/07/2012 18:36, Christoph Hellwig ha scritto: >>>> There's no such thing in the market today as a removable disk that's >>>> resizeable. Removable disks are for things like backup cartridges and >>>> ageing jazz drives. Worse: most removeable devices today are USB card >>>> readers whose standards compliance varies from iffy to non existent. >>>> Resizeable disks are currently the province of storage arrays. >> The virtual disks exported by aacraid are both marked removable and >> can be resized. > > Do they report resizing via unit attention? I can skip this part on > removable virtio-scsi disks if that's what real hardware does, it would > also work. > Not sure if we are talking about the same thing. So can virtio-scsi send a UA with asc/ascq that indicates the lun changed size? Other drivers do this. I updated Hannes's patches the other day to support UAs like those in userspace. I just saw the code in the patch where virtio-scsi gets that event. -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
