Paolo, On 12 Feb 2013, at 18:06, Paolo Bonzini wrote:
> Il 12/02/2013 18:37, Alex Bligh ha scritto: >> For my education, why remove the FUA stuff? > > Because I had no way to test it. I think my mods to the official NBD code support FUA (albeit not very efficiently) >>>>>> Hmmm... the underlying storage could be md/dm RAIDs in which case FUA >>>>>> should be cheaper than FLUSH. >>>> >>>> If someone ever wrote a virtio-blk backend that sits directly ontop >>>> of the Linux block layer that would be true. >> In this case we don't know what the backend is sitting on top of >> a-priori. It might be the current nbd server code, but it might >> not be. > > Do you know of any other NBD server than the "official" one and qemu-nbd? Yes. I know one well (but it's not open source). NBD seems to be the 'goto protocol' for writing distributed block store drivers in user space. -- Alex Bligh ------------------------------------------------------------------------------ Free Next-Gen Firewall Hardware Offer Buy your Sophos next-gen firewall before the end March 2013 and get the hardware for free! Learn more. http://p.sf.net/sfu/sophos-d2d-feb _______________________________________________ Nbd-general mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/nbd-general
