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#!/bin/sh |
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|
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UNIT=$1 |
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DEVICE=$2 |
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|
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max_hw_sectors=`cat /sys/block/${DEVICE}/queue/max_hw_sectors_kb` |
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|
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EF2915_TIMEOUT=120 |
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|
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EF3010_TIMEOUT=90 |
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|
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S2A9900_TIMEOUT=69 |
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S2A9900_nr_requests=8192 |
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S2A9900_scheduler=deadline |
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S2A9900_max_sectors=$max_hw_sectors |
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S2A9900_ra=4096 # read_ahead_kb, real tuning required |
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|
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S2A9550_TIMEOUT=70 |
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S2A9550_nr_requests=8192 |
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S2A9550_scheduler=deadline |
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S2A9550_max_sectors=$max_hw_sectors |
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S2A9550_ra=8192 # read_ahead_kb, real tuning required |
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|
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|
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# Config file to overwrite defaults |
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config_file=/etc/ddn/raid_settings.sh |
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if [ -f $config_file ]; then |
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source /etc/ddn/raid_settings.sh |
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fi |
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|
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case "$UNIT" in |
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EF2915) |
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echo $EF2915_TIMEOUT >/sys/block/${DEVICE}/device/timeout |
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;; |
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EF3010) |
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echo $EF3010_TIMEOUT >/sys/block/${DEVICE}/device/timeout |
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;; |
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S2A9900) |
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echo $S2A9900_TIMEOUT >/sys/block/${DEVICE}/device/timeout |
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echo $S2A9900_max_sectors >/sys/block/${DEVICE}/queue/max_sectors_kb |
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echo $S2A9900_nr_requests >/sys/block/${DEVICE}/queue/nr_requests |
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echo $S2A9900_scheduler >/sys/block/${DEVICE}/queue/scheduler |
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/sbin/blockdev --setra $S2A9900_ra /dev/${DEVICE} |
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;; |
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S2A9550) |
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echo $S2A9550_TIMEOUT >/sys/block/${DEVICE}/device/timeout |
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echo $S2A9550_max_sectors >/sys/block/${DEVICE}/queue/max_sectors_kb |
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echo $S2A9550_nr_requests >/sys/block/${DEVICE}/queue/nr_requests |
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echo $S2A9550_scheduler >/sys/block/${DEVICE}/queue/scheduler |
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/sbin/blockdev --setra $S2A9900_ra /dev/${DEVICE} |
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;; |
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*) |
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echo "Unknown unit \"$UNIT\"" |
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esac |
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