diff --git a/src/tests/ftest/io/io_consistency.yaml b/src/tests/ftest/io/io_consistency.yaml
index 602d864b6f6..d5cd037ee26 100644
--- a/src/tests/ftest/io/io_consistency.yaml
+++ b/src/tests/ftest/io/io_consistency.yaml
@@ -22,12 +22,13 @@ server_config:
       storage: auto
 
 pool:
-  scm_size: 5000000000
-  nvme_size: 20000000000
-  properties: rd_fac:0
+  scm_size: 5G
+  nvme_size: 20G
+  properties: rd_fac:0,space_rb:0
 
 container:
   type: POSIX
+  properties: cksum:off,srv_cksum:off
 
 ior:
   client_processes:
diff --git a/src/tests/ftest/io/large_file_count.yaml b/src/tests/ftest/io/large_file_count.yaml
index e3fe747806a..7862a29b26b 100644
--- a/src/tests/ftest/io/large_file_count.yaml
+++ b/src/tests/ftest/io/large_file_count.yaml
@@ -21,9 +21,11 @@ server_config:
 
 pool:
   size: 95%
+  properties: rd_fac:0,space_rb:0
 
 container:
   type: POSIX
+  properties: cksum:off,srv_cksum:off
 
 largefilecount:
   api:
diff --git a/src/tests/ftest/io/macsio_test.yaml b/src/tests/ftest/io/macsio_test.yaml
index c78dab9dfbf..842e9179798 100644
--- a/src/tests/ftest/io/macsio_test.yaml
+++ b/src/tests/ftest/io/macsio_test.yaml
@@ -22,9 +22,11 @@ server_config:
 pool:
   scm_size: 5G
   nvme_size: 10G
+  properties: rd_fac:0,space_rb:0
 
 container:
   type: POSIX
+  properties: cksum:off,srv_cksum:off
 
 macsio:
   interface: hdf5
diff --git a/src/tests/ftest/io/parallel_io.yaml b/src/tests/ftest/io/parallel_io.yaml
index 1e308c2b241..cb34b357d44 100644
--- a/src/tests/ftest/io/parallel_io.yaml
+++ b/src/tests/ftest/io/parallel_io.yaml
@@ -12,12 +12,14 @@ server_config:
       storage: auto
 
 pool:
-  scm_size: 1000000000
+  scm_size: 1G
   pool_count: 10
+  properties: rd_fac:0,space_rb:0
 
 container:
   type: POSIX
   cont_count: 10
+  properties: cksum:off,srv_cksum:off
 
 fio:
   names:
diff --git a/src/tests/ftest/io/seg_count.yaml b/src/tests/ftest/io/seg_count.yaml
index 7749687298f..2ea897f796c 100644
--- a/src/tests/ftest/io/seg_count.yaml
+++ b/src/tests/ftest/io/seg_count.yaml
@@ -21,9 +21,11 @@ server_config:
 
 pool:
   size: 95%
+  properties: rd_fac:0,space_rb:0
 
 container:
   type: POSIX
+  properties: cksum:off,srv_cksum:off
 
 ior:
   client_processes: !mux
diff --git a/src/tests/ftest/io/small_file_count.yaml b/src/tests/ftest/io/small_file_count.yaml
index 8ca76bac33d..659f41fcf4d 100644
--- a/src/tests/ftest/io/small_file_count.yaml
+++ b/src/tests/ftest/io/small_file_count.yaml
@@ -22,9 +22,11 @@ server_config:
 pool:
   scm_size: 40G
   nvme_size: 300G
+  properties: rd_fac:0,space_rb:0
 
 container:
   type: POSIX
+  properties: cksum:off,srv_cksum:off
 
 largefilecount:
   api:
diff --git a/src/tests/ftest/io/unaligned_io.yaml b/src/tests/ftest/io/unaligned_io.yaml
index 3bcc450c8c5..e548f1f9bf0 100644
--- a/src/tests/ftest/io/unaligned_io.yaml
+++ b/src/tests/ftest/io/unaligned_io.yaml
@@ -38,6 +38,7 @@ server_config:
 
 pool:
   scm_size: 12G
+  properties: rd_fac:0,space_rb:0
 
 datasize:
   sizes: