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+qemu-img convert -c compression can't decompress
+
+Used -c compression option of qemu-img convert to compress qcow2,
+then libvirt mount for compressed image don't work as well as decompression also
+not working, tried glib-deflate to decompress
+
+Used openssl zlib -d < compressedfile but that also not working
+
+When tried zlib-flate -uncompress < cirros-0.3.4-x86_64-disk.img,
+getting below error
+
+data: incorrect header check
+
+Which version of QEMU (or rather qemu-img) are you using?
+
+qemu-img version 2.1.2, Copyright (c) 2004-2008 Fabrice Bellard
+
+When reporting bugs, please always use the latest version of QEMU, old versions like 2.1 are not supported anymore. I just also noticed that Stefan Hajnoczi replied to the bug mail on the qemu-devel mailing list (see https://<email address hidden>/msg422186.html) - seems like the bridge did not mirror this to the bug tracker:
+
+"QEMU image compression uses the compression feature available in some
+ disk image formats (like qcow2).  This is not the same as compressing a
+ file with gzip, bzip2, or similar tools.
+ Therefore this error is expected and not a bug."
+
+Yes used qcow2 format only when compressing, I don't think due to older version problem
+
+When converting qcow2 with -c option, then after not able to boot VM with compressed qcow2 image
+