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Diffstat (limited to 'scripts/zpool-config/zpool-raid10.sh')
| -rw-r--r-- | scripts/zpool-config/zpool-raid10.sh | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/scripts/zpool-config/zpool-raid10.sh b/scripts/zpool-config/zpool-raid10.sh new file mode 100644 index 000000000..8cb1f1548 --- /dev/null +++ b/scripts/zpool-config/zpool-raid10.sh @@ -0,0 +1,86 @@ +#!/bin/bash +# +# Zpool Raid-10 Configuration +# +# This script is used to simplify testing with the /dev/disk/zpool/[A-Z][1-n] +# devices. It assumes that you have already populated /dev/disk/zpool/ by +# creating an /etc/zfs/zdev.conf file based on your system design. You may +# use the zpool_layout command or manually create your own config file. +# +# You can then use either the zpool-create.sh or the zpios.sh test script to +# test various Raid-10 configurations by adjusting the following tunables. +# For example if you wanted to create and test a single 4-disk Raid-10 +# configuration using disks [A-D]1 with dedicated ZIL and L2ARC devices +# you could run the following. +# +# ZIL="log A2" L2ARC="cache B2" RANKS=1 CHANNELS=4 \ +# zpool-create.sh -c zpool-raid10 +# +# zpool status tank +# pool: tank +# state: ONLINE +# scan: none requested +# config: +# +# NAME STATE READ WRITE CKSUM +# tank ONLINE 0 0 0 +# mirror-0 ONLINE 0 0 0 +# A1 ONLINE 0 0 0 +# B1 ONLINE 0 0 0 +# mirror-1 ONLINE 0 0 0 +# C1 ONLINE 0 0 0 +# D1 ONLINE 0 0 0 +# logs +# A2 ONLINE 0 0 0 +# cache +# B2 ONLINE 0 0 0 +# +# errors: No known data errors +# + +# Number of interior vdevs to create using the following rank ids. +RANKS=${RANKS:-1} +RANK_LIST=( 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 ) + +# Number of devices per vdev using the following channel ids. +CHANNELS=${CHANNELS:-8} +CHANNEL_LIST=( 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 ) + +# Create a ZIL vdev as follows. +ZIL=${ZIL:-} + +# Create an L2ARC vdev as follows. +L2ARC=${L2ARC:-} + + +raid10_setup() { + local RANKS=$1 + local CHANNELS=$2 + local IDX=0 + + RAID10S=() + for (( i=0, l=0 ; i<${RANKS}; i++ )); do + RANK=${RANK_LIST[$i]} + + for (( j=0, k=1; j<${CHANNELS}; j+=2,k+=2,l++ )); do + DISK1="${CHANNEL_LIST[$j]}${RANK}" + DISK2="${CHANNEL_LIST[$k]}${RANK}" + RAID10S[$l]="mirror ${DISK1} ${DISK2}" + done + done + + return 0 +} + +zpool_create() { + raid10_setup ${RANKS} ${CHANNELS} + + ZPOOL_DEVICES="${RAID10S[*]} ${ZIL} ${L2ARC}" + msg ${ZPOOL} create ${FORCE_FLAG} ${ZPOOL_NAME} ${ZPOOL_DEVICES} + ${ZPOOL} create ${FORCE_FLAG} ${ZPOOL_NAME} ${ZPOOL_DEVICES} || exit 1 +} + +zpool_destroy() { + msg ${ZPOOL} destroy ${ZPOOL_NAME} + ${ZPOOL} destroy ${ZPOOL_NAME} +} |