From: Loic Dachary <loic@dachary.org>
Date: Wed, 18 Jun 2014 15:01:54 +0000 (+0200)
Subject: erasure-code: verify that rados put enforces alignment
X-Git-Tag: v0.83~78^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=b46c4056014dd6de5e3bd736f2c41f096ea708b4;p=ceph.git

erasure-code: verify that rados put enforces alignment

http://tracker.ceph.com/issues/8622 refs: #8622

Signed-off-by: Loic Dachary <loic@dachary.org>
---

diff --git a/src/test/erasure-code/test-erasure-code.sh b/src/test/erasure-code/test-erasure-code.sh
index b779f6866a3..852c5c14847 100755
--- a/src/test/erasure-code/test-erasure-code.sh
+++ b/src/test/erasure-code/test-erasure-code.sh
@@ -60,6 +60,18 @@ function TEST_rados_put() {
     diff $dir/ORIGINAL $dir/COPY || return 1
 
     rm $dir/ORIGINAL $dir/COPY
+
+    # 
+    # Verify that the rados command enforces alignment constraints
+    # imposed by the stripe width
+    # See http://tracker.ceph.com/issues/8622
+    #
+    local stripe_width=$(./ceph-conf --show-config-value osd_pool_erasure_code_stripe_width)
+    local block_size=$((stripe_width - 1))
+    dd if=/dev/zero of=$dir/ORIGINAL bs=$block_size count=2
+    ./rados --block-size=$block_size \
+        --pool ecpool put UNALIGNED $dir/ORIGINAL || return 1
+    rm $dir/ORIGINAL
 }
 
 main test-erasure-code