Signed-off-by: Leonid Bloch <lbl...@janustech.com> --- docs/qcow2-cache.txt | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/docs/qcow2-cache.txt b/docs/qcow2-cache.txt index 8a09a5cc5f..a0a1267482 100644 --- a/docs/qcow2-cache.txt +++ b/docs/qcow2-cache.txt @@ -97,9 +97,9 @@ need: l2_cache_size = disk_size_GB * 131072 refcount_cache_size = disk_size_GB * 32768 -QEMU has a default L2 cache of 1MB (1048576 bytes) and a refcount -cache of 256KB (262144 bytes), so using the formulas we've just seen -we have +QEMU has a default L2 cache of 1MB (1048576 bytes) or 8 clusters (whichever +is larger) and a refcount cache of 256KB (262144 bytes), so using the +formulas we've just seen we have (assuming the L2 cache is 1MB): 1048576 / 131072 = 8 GB of virtual disk covered by that cache 262144 / 32768 = 8 GB -- 2.14.1