[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [RFC] support more qdisk types
On Mon, Jan 25, 2016 at 05:25:02PM -0700, Jim Fehlig wrote: > I would like to hear the community's opinion on supporting more qdisk types in > xl/libxl, e.g. nbd, rbd, iSCSI, etc. I prefer supporting additional qdisk > types > in libxl over apps like xl or libvirt doing all the setup, producing a block > device, and then passing that to libxl. Each libxl app would have to > re-implement functionality already provided by qdisk. libxl already supports > IDE, AHCI, SCSI, and Xen PV qdisks. My suggestion is to extend that to > initially > include nbd, rbd, and iSCSI. Sheepdog, ssh, etc. could be added in the future. ssh? > > I considered several approaches to supporting additional qdisk types, based > primarily on changes to the disk cfg and interface. At one extreme is to > change > nothing and use the existing 'target=' to encode all required config for the > additional qdisk types. libxl would need to be taught how to turn the blob > into > an appropriate qdisk. At the other extreme is extending xl-disk-configuration Either way - new backends would require changes in both libxl and libvirt right? The libxl would need to understand the new 'target=' blob to parse it out? _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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