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[Qemu-devel] drive-mirror remove detect-zeroes drive property


From: Alexandre DERUMIER
Subject: [Qemu-devel] drive-mirror remove detect-zeroes drive property
Date: Fri, 10 Oct 2014 06:41:42 +0200 (CEST)

Hi,

It seem that drive-mirror block job, remove the detect-zeroes drive property on 
the target drive


qemu .... 
   -device virtio-scsi-pci,id=scsihw0,bus=pci.0,addr=0x5 
  -drive 
file=/source.raw,if=none,id=drive-scsi2,cache=writeback,discard=on,aio=native,detect-zeroes=unmap


# info block

drive-scsi2: /source.raw (raw)
    Detect zeroes:    unmap



do a drive mirror to a new target.raw file


# info block

drive-scsi2: /target.raw (raw)



is it a bug ?



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