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dbf763b39b
In the interest of maintaining only one udev helper to give vdevs user friendly names, the zpool_id and zpool_layout infrastructure is being retired. They are superseded by vdev_id which incorporates all the previous functionality. Documentation for the new vdev_id(8) helper and its configuration file, vdev_id.conf(5), can be found in their respective man pages. Several useful example files are installed under /etc/zfs/. /etc/zfs/vdev_id.conf.alias.example /etc/zfs/vdev_id.conf.multipath.example /etc/zfs/vdev_id.conf.sas_direct.example /etc/zfs/vdev_id.conf.sas_switch.example Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #981
86 lines
2.3 KiB
Bash
86 lines
2.3 KiB
Bash
#!/bin/bash
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#
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# Zpool Raid-10 Configuration
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#
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# This script is used to test with the /dev/disk/by-vdev/[A-Z][1-n] devices.
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# It assumes that you have already populated /dev/disk/by-vdev/ by creating
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# an /etc/zfs/vdev_id.conf file based on your system design.
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#
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# You can then use either the zpool-create.sh or the zpios.sh test script to
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# test various Raid-10 configurations by adjusting the following tunables.
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# For example if you wanted to create and test a single 4-disk Raid-10
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# configuration using disks [A-D]1 with dedicated ZIL and L2ARC devices
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# you could run the following.
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#
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# ZIL="log A2" L2ARC="cache B2" RANKS=1 CHANNELS=4 \
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# zpool-create.sh -c zpool-raid10
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#
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# zpool status tank
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# pool: tank
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# state: ONLINE
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# scan: none requested
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# config:
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#
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# NAME STATE READ WRITE CKSUM
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# tank ONLINE 0 0 0
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# mirror-0 ONLINE 0 0 0
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# A1 ONLINE 0 0 0
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# B1 ONLINE 0 0 0
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# mirror-1 ONLINE 0 0 0
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# C1 ONLINE 0 0 0
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# D1 ONLINE 0 0 0
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# logs
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# A2 ONLINE 0 0 0
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# cache
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# B2 ONLINE 0 0 0
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#
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# errors: No known data errors
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#
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# Number of interior vdevs to create using the following rank ids.
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RANKS=${RANKS:-1}
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RANK_LIST=( 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 )
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# Number of devices per vdev using the following channel ids.
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CHANNELS=${CHANNELS:-8}
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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 )
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# Create a ZIL vdev as follows.
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ZIL=${ZIL:-}
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# Create an L2ARC vdev as follows.
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L2ARC=${L2ARC:-}
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raid10_setup() {
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local RANKS=$1
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local CHANNELS=$2
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local IDX=0
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RAID10S=()
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for (( i=0, l=0 ; i<${RANKS}; i++ )); do
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RANK=${RANK_LIST[$i]}
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for (( j=0, k=1; j<${CHANNELS}; j+=2,k+=2,l++ )); do
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DISK1="${CHANNEL_LIST[$j]}${RANK}"
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DISK2="${CHANNEL_LIST[$k]}${RANK}"
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RAID10S[$l]="mirror ${DISK1} ${DISK2}"
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done
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done
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return 0
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}
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zpool_create() {
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raid10_setup ${RANKS} ${CHANNELS}
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ZPOOL_DEVICES="${RAID10S[*]} ${ZIL} ${L2ARC}"
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msg ${ZPOOL} create ${FORCE_FLAG} ${ZPOOL_NAME} ${ZPOOL_DEVICES}
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${ZPOOL} create ${FORCE_FLAG} ${ZPOOL_NAME} ${ZPOOL_DEVICES} || exit 1
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}
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zpool_destroy() {
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msg ${ZPOOL} destroy ${ZPOOL_NAME}
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${ZPOOL} destroy ${ZPOOL_NAME}
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}
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