diff --git a/dist/common/scripts/scylla_raid_setup b/dist/common/scripts/scylla_raid_setup
index 0229cfd8a1..08fe306192 100755
--- a/dist/common/scripts/scylla_raid_setup
+++ b/dist/common/scripts/scylla_raid_setup
@@ -60,7 +60,7 @@ if [ "$NAME" = "Ubuntu" ]; then
 else
     yum -y install mdadm xfsprogs
 fi
-mdadm --create --verbose --force --run $RAID --level=0 -c256 --raid-devices=$NR_DISK $DISKS
+mdadm --create --verbose --force --run $RAID --level=0 -c1024 --raid-devices=$NR_DISK $DISKS
 blockdev --setra 65536 $RAID
 mkfs.xfs $RAID -f
 echo "DEVICE $DISKS" > /etc/mdadm.conf