diff options
Diffstat (limited to 'cmd/zpool_layout')
| -rw-r--r-- | cmd/zpool_layout/Makefile.am | 1 | ||||
| -rwxr-xr-x | cmd/zpool_layout/zpool_layout | 281 |
2 files changed, 0 insertions, 282 deletions
diff --git a/cmd/zpool_layout/Makefile.am b/cmd/zpool_layout/Makefile.am deleted file mode 100644 index b17e6a362..000000000 --- a/cmd/zpool_layout/Makefile.am +++ /dev/null @@ -1 +0,0 @@ -dist_bin_SCRIPTS = zpool_layout diff --git a/cmd/zpool_layout/zpool_layout b/cmd/zpool_layout/zpool_layout deleted file mode 100755 index 8fc6bad0e..000000000 --- a/cmd/zpool_layout/zpool_layout +++ /dev/null @@ -1,281 +0,0 @@ -#!/bin/bash -# -# Direct-Attached Mode -# -------------------- -# Set BUSES and HOST_PORTS to match the topology of your system. As -# each port is enumerated it will be assigned the next channel name. -# The current script enumerates each port on a bus before moving on -# to enumerate the next bus. -# -# Every distribution, version of udev, and type of attached storage -# seems to result in slightly different formatting of the by-path -# name. For this reason you may need to adjust the parsing below -# to suit your needs. This is one of the reasons to use a custom -# /etc/zfs/zdev.conf file, it allows the by-path naming convention -# to change and still keep the simple <channel><rank> naming. -# -# SAS-Switch Mode -# ------------------------- -# When the host accesses disk via SAS switches the combination of -# bus and port number does not necessarily uniquely identify a -# channel or disk drawer. In this case we must resort to other -# means to infer the physical topology. For a single-level network -# (i.e. no switch cascading) we can assign alphabetic channel labels -# based on the switch port number that the drawer is connected to. -# If support for more complex topologies is needed this script will -# need to be customized or replaced. -# -# In SAS-Switch mode (enabled with "-g switch" ) we require that -# udev has been configured to create per-disk symbolic links in -# /dev/disk/by-id of the form -# <label>-<UUID>-switch-port:<X>-slot:<Y>. <label> is a string that -# depends on the subsystem that created the link and defaults to -# "dm-uuid-mpath" (this prefix is used by multipathd). <UUID> is a -# unique identifier for the disk typically obtained from the scsi_id -# program. <X> and <Y> denote the switch port and disk slot -# numbers, respectively, and are typically obtained from sysfs. - -AWK=${AWK:-/usr/bin/awk} -CONFIG=${CONFIG:-/etc/zfs/zdev.conf} -BUSES=( 01 02 03 ) -HOST_PORTS=( 4 0 ) -SWITCH_PORTS=( 0 1 2 3 4 5 6 7 8 9 ) -CHANNELS=( A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ) -TOPOLOGY="direct" -TRIGGER="no" -MAPPING=linux -LABEL=${LABEL:-"dm-uuid-mpath"} -DEV_DISK_DIR="/dev/disk/by-path" - -shopt -s extglob - -usage() { - cat << EOF -Usage: zpool_layout [-th] [-c file] [-b buses] [-o switch_ports] - [-p host_ports] [-n channels] [-m map] [-l label] - [-g direct|switch] - -c Alternate config file [default=${CONFIG}] - -b Enumerate buses [default="${BUSES[*]}"] - -o Enumerate switch ports [default="${SWITCH_PORTS[*]}"] - -p Enumerate host ports [default="${HOST_PORTS[*]}"] - -n Channel names [default="A..Z"] - -g Storage network topology [default="${TOPOLOGY}"] - -t Trigger and wait for udev to settle [default=${TRIGGER}] - -l Prefix of SAS-switch-mode device links [default=${LABEL}] - -m Slot mapping [default=${MAPPING}] - -h Show this message -EOF - exit 0 -} - -while getopts 'c:b:o:p:n:l:m:g:th' OPTION; do - case ${OPTION} in - c) - CONFIG=${OPTARG} - ;; - b) - BUSES=(${OPTARG}) - ;; - o) - SWITCH_PORTS=(${OPTARG}) - ;; - p) - HOST_PORTS=(${OPTARG}) - ;; - n) - CHANNELS=(${OPTARG}) - ;; - l) - LABEL=${OPTARG} - ;; - m) - MAPPING=`readlink -e ${OPTARG}` - ;; - g) - TOPOLOGY=${OPTARG} - ;; - t) - TRIGGER=yes - ;; - h) - usage - ;; - esac -done - -# Verify mapping file exists if specified. -# Linux-Slot Custom-Slot -if [ ${MAPPING} != "linux" ] && [ ! -e ${MAPPING} ]; then - echo "Error: Mapping file '${MAPPING}' does not exist" - exit 1 -fi - -# Save stdout as fd #8, then redirect stdout to the config file. -exec 8>&1 -exec >${CONFIG} - -map_slot() { - local LINUX_SLOT=$1 - local MAPPED_SLOT= - - if [ ${MAPPING} = "linux" ]; then - MAPPED_SLOT=${LINUX_SLOT} - else - MAPPED_SLOT=`${AWK} "\\$1 == ${LINUX_SLOT} && !/^#/ \ - { print \\$2; exit }" $MAPPING` - fi - printf "%d" ${MAPPED_SLOT} -} - -# Generate host port layout table for comment header. -print_host_port_layout() { - echo "# ------------------ Host Port Layout ---------------------" - echo -n "# " - for (( i=0; i<${#BUSES[*]}; i++ )); do - printf "%-8d" ${BUSES[$i]} - done - echo - - for (( i=0, k=0; i<${#HOST_PORTS[*]}; i++ )); do - printf "# Port %-2d " ${HOST_PORTS[$i]} - - for (( j=0; j<${#BUSES[*]}; j++, k++ )); do - let k=$j*${#HOST_PORTS[*]}+$i - printf "%-8s" ${CHANNELS[$k]} - done - echo - done - echo "#" -} - -# Generate SAS switch port layout table for comment header. -print_switch_port_layout() { - echo "# --------------- SAS Switch Port Layout ------------------" - echo -n "# Switch Port " - for (( i=0; i<${#SWITCH_PORTS[*]}; i++ )); do - printf "%3d" ${SWITCH_PORTS[$i]} - done - echo - echo -n "# Channel " - for (( i=0; i<${#SWITCH_PORTS[*]}; i++ )); do - printf "%3s" ${CHANNELS[$i]} - done - echo - echo "#" -} - -# Generate channel/disk layout table for comment header. -print_channel_layout() { - pushd ${DEV_DISK_DIR} >/dev/null - echo "# ----------------- Channel/Disk Layout -------------------" - echo "# Channel Disks" - if [ ${TOPOLOGY} = "switch" ] ; then - for (( i=0; i<${#SWITCH_PORTS[*]}; i++ )); do - printf "# %-9s" ${CHANNELS[$i]} - p=${SWITCH_PORTS[$i]} - ls ${LABEL}-+([0-9a-f])-switch-port:${p}-slot:+([0-9]) \ - 2>/dev/null | cut -f3 -d':' | sort -u -n | \ - xargs | tr ' ' ',' - done - else - for (( i=0, k=0; i<${#BUSES[*]}; i++ )); do - for (( j=0; j<${#HOST_PORTS[*]}; j++, k++ )); do - printf "# %-9s" ${CHANNELS[$k]} - ls *:${BUSES[$i]}:*:${HOST_PORTS[$j]}* \ - 2>/dev/null | cut -f7 -d'-' | \ - sort -u -n | xargs | tr ' ' ',' - done - done - fi - echo "#" - popd > /dev/null -} - -# Generate mapping from <channel><rank> to by-path name. -map_shortname_to_by_path() { - pushd ${DEV_DISK_DIR} >/dev/null - for (( i=0, k=0; i<${#BUSES[*]}; i++ )); do - for (( j=0; j<${#HOST_PORTS[*]}; j++, k++ )); do - BYPATH=(`ls *:${BUSES[$i]}:*:${HOST_PORTS[$j]}* \ - 2>/dev/null | grep -v part | \ - sort -n -k7 -t'-' | cut -f1-6 -d'-'`) - SLOTS=(`ls *:${BUSES[$i]}:*:${HOST_PORTS[$j]}* \ - 2>/dev/null | grep -v part | \ - sort -n -k7 -t'-' | cut -f7 -d'-'`) - TMP_FILE=`mktemp` - - for (( l=0; l<${#SLOTS[*]}; l++ )); do - MAPPED_SLOT=`map_slot ${SLOTS[$l]}` - printf "%s%d\t%s-%d\n" \ - ${CHANNELS[$k]} ${MAPPED_SLOT} \ - ${BYPATH[$l]} ${SLOTS[$l]} >>${TMP_FILE} - done - - echo - echo -n "# Channel ${CHANNELS[$k]}, " - echo "Bus ${BUSES[$i]}, Port ${HOST_PORTS[$j]}" - cat ${TMP_FILE} | sort -n -k2 -t${CHANNELS[$k]} - rm -f ${TMP_FILE} - done - done - popd >/dev/null -} - -# Generate mapping from <channel><rank> to by-id name. -map_shortname_to_by_id() { - pushd ${DEV_DISK_DIR} >/dev/null - for (( i=0; i<${#SWITCH_PORTS[*]}; i++ )); do - p=${SWITCH_PORTS[$i]} - BYID=(`ls ${LABEL}-+([0-9a-f])-switch-port:${p}-slot:+([0-9]) \ - 2>/dev/null | grep -v part | sort -k3n -t':' | \ - cut -f1-2 -d':'`) - SLOTS=(`ls ${LABEL}-+([0-9a-f])-switch-port:${p}-slot:+([0-9]) \ - 2>/dev/null | grep -v part | sort -k3n -t':' | \ - cut -f3 -d':'`) - TMP_FILE=`mktemp` - - for (( l=0; l<${#SLOTS[*]}; l++ )); do - MAPPED_SLOT=`map_slot ${SLOTS[$l]}` - printf "%s%d\t%s:%d\n" \ - ${CHANNELS[$i]} ${MAPPED_SLOT} ${BYID[$l]} \ - ${SLOTS[$l]} >>${TMP_FILE} - done - - echo - echo -n "# Channel ${CHANNELS[$i]}, " - echo "SAS Switch Port ${SWITCH_PORTS[$i]}" - cat ${TMP_FILE} | sort -n -k2 -t${CHANNELS[$i]} - rm -f ${TMP_FILE} - done - popd > /dev/null -} - -# Generate comment header. -echo "#" -echo "# Custom ${DEV_DISK_DIR} to /dev/disk/zpool mapping, " -echo "# based of the following physical cable layout." -echo "#" - -case ${TOPOLOGY} in - direct) - print_host_port_layout - print_channel_layout - map_shortname_to_by_path - ;; - switch) - DEV_DISK_DIR="/dev/disk/by-id" - print_switch_port_layout - print_channel_layout - map_shortname_to_by_id - ;; -esac - -# Restore stdout from fd #8 and close fd #8. -exec 1>&8 8>&- - -if [ ${TRIGGER} = "yes" ]; then - udevadm trigger --action=change --subsystem-match=block - udevadm settle -fi - -exit 0 |