+
+# Add SSD optimisation
+ACTION=="add", SUBSYSTEM=="block", ENV{DEVTYPE}=="disk", ENV{ID_BUS}=="ata", ENV{ID_MODEL}=="OCZ-VERTEX3", ATTR{queue/read_ahead_kb}="4096"
+ACTION=="add", SUBSYSTEM=="block", ENV{DEVTYPE}=="disk", ENV{ID_BUS}=="ata", ENV{ID_MODEL}=="OCZ-VERTEX3", ATTR{queue/scheduler}="noop"
+
+ACTION=="add", SUBSYSTEM=="block", ENV{DEVTYPE}=="disk", ENV{ID_BUS}=="ata", ENV{ID_MODEL}=="Samsung_SSD_840_PRO_*", ATTR{queue/read_ahead_kb}="4096"
+ACTION=="add", SUBSYSTEM=="block", ENV{DEVTYPE}=="disk", ENV{ID_BUS}=="ata", ENV{ID_MODEL}=="Samsung_SSD_840_PRO_*", ATTR{queue/scheduler}="noop"
+ACTION=="add", SUBSYSTEM=="block", ENV{DEVTYPE}=="disk", ENV{ID_BUS}=="ata", ENV{ID_MODEL}=="Samsung_SSD_840_PRO_*", ATTR{queue/read_ahead_kb}="256"
+
+ACTION=="add", SUBSYSTEM=="block", ENV{DEVTYPE}=="disk", ENV{ID_BUS}=="ata", ENV{ID_MODEL}=="Samsung_SSD_850_PRO_*", ATTR{queue/read_ahead_kb}="4096"
+ACTION=="add", SUBSYSTEM=="block", ENV{DEVTYPE}=="disk", ENV{ID_BUS}=="ata", ENV{ID_MODEL}=="Samsung_SSD_850_PRO_*", ATTR{queue/scheduler}="noop"
+ACTION=="add", SUBSYSTEM=="block", ENV{DEVTYPE}=="disk", ENV{ID_BUS}=="ata", ENV{ID_MODEL}=="Samsung_SSD_850_PRO_*", ATTR{queue/read_ahead_kb}="256"
+
+ACTION=="add", SUBSYSTEM=="block", ENV{DEVTYPE}=="disk", ENV{ID_BUS}=="ata", ENV{ID_MODEL}=="Samsung_SSD_860_PRO_*", ATTR{queue/read_ahead_kb}="4096"
+ACTION=="add", SUBSYSTEM=="block", ENV{DEVTYPE}=="disk", ENV{ID_BUS}=="ata", ENV{ID_MODEL}=="Samsung_SSD_860_PRO_*", ATTR{queue/scheduler}="noop"
+ACTION=="add", SUBSYSTEM=="block", ENV{DEVTYPE}=="disk", ENV{ID_BUS}=="ata", ENV{ID_MODEL}=="Samsung_SSD_860_PRO_*", ATTR{queue/read_ahead_kb}="256"
+
+ACTION=="add", SUBSYSTEM=="block", ENV{DEVTYPE}=="disk", ENV{ID_BUS}=="ata", ENV{ID_MODEL}=="ST240FN0021", ATTR{queue/read_ahead_kb}="4096"
+ACTION=="add", SUBSYSTEM=="block", ENV{DEVTYPE}=="disk", ENV{ID_BUS}=="ata", ENV{ID_MODEL}=="ST240FN0021", ATTR{queue/scheduler}="noop"
+
+ACTION=="add", SUBSYSTEM=="block", ENV{DEVTYPE}=="disk", ENV{ID_BUS}=="ata", ENV{ID_MODEL}=="SuperMicro_SSD", ATTR{queue/read_ahead_kb}="4096"
+ACTION=="add", SUBSYSTEM=="block", ENV{DEVTYPE}=="disk", ENV{ID_BUS}=="ata", ENV{ID_MODEL}=="SuperMicro_SSD", ATTR{queue/scheduler}="noop"
+
+# Delete failed disk in cmok
+ACTION=="add", SUBSYSTEM=="block", ENV{DEVTYPE}=="disk", ENV{ID_BUS}=="ata", ENV{ID_MODEL}=="ST_M13FQBL", ENV{ID_SERIAL}=="ST_M13FQBL_QNR_BFW", ATTR{device/delete}="1"
+
+# Enable request merging for NVME devices
+ACTION=="add", SUBSYSTEM=="block", DRIVERS=="nvme", ATTR{queue/nomerges}="1"
+
+# VMware Virtual disk configuration
+ACTION=="add", SUBSYSTEM=="block", ENV{DEVTYPE}=="disk", ENV{ID_VENDOR}=="VMware", ENV{ID_MODEL}=="Virtual_disk", ATTR{queue/read_ahead_kb}="4096"
+ACTION=="add", SUBSYSTEM=="block", ENV{DEVTYPE}=="disk", ENV{ID_VENDOR}=="VMware", ENV{ID_MODEL}=="Virtual_disk", ATTR{queue/scheduler}="noop"
+
+# Increase readahead on virtio block devices
+ACTION=="add", SUBSYSTEM=="block", DRIVERS=="virtio_blk", ATTR{queue/read_ahead_kb}="4096"
+# Note virtio sets scheduler to none automatically
+
+# QEMU Disk IO tune
+ACTION=="add", SUBSYSTEM=="block", ENV{DEVTYPE}=="disk", ENV{ID_MODEL}=="QEMU_HARDDISK", ATTR{queue/read_ahead_kb}="4096"
+ACTION=="add", SUBSYSTEM=="block", ENV{DEVTYPE}=="disk", ENV{ID_MODEL}=="QEMU_HARDDISK", ATTR{queue/scheduler}="noop"
+# Vendor is sometimes missing
+
+# Increase default MD raid5/raid6 strip cache + group_thread_cnt
+ACTION=="add", SUBSYSTEM=="block", ENV{DEVTYPE}=="disk", ENV{MD_LEVEL}=="raid5", ATTR{md/stripe_cache_size}="8192", ATTR{md/group_thread_cnt}="4"
+ACTION=="add", SUBSYSTEM=="block", ENV{DEVTYPE}=="disk", ENV{MD_LEVEL}=="raid6", ATTR{md/stripe_cache_size}="8192", ATTR{md/group_thread_cnt}="4"