forked from pool/mdadm
33 lines
942 B
Bash
33 lines
942 B
Bash
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#!/bin/bash
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#%stage: boot
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#%depends: start
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#%programs: /sbin/mdadm /sbin/mdmon
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#%modules: raid0 raid1 raid10 raid456
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#%if: -n "$need_mdadm"
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#
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##### MD (Software-)Raid
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##
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## This only sets the 'start_ro' module parameter to ensure
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## arrays don't start resync until after the first write.
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## All array assembly is performed by udev -> "mdadm -I"
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##
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## Command line parameters
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## -----------------------
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##
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## need_mdadm=1 use MD raid
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##
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# load the necessary module before we initialize the raid system
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load_modules
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#check_for_device uses $md_major
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#we depend on 'start' to ensure /proc/devices exists
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md_major=$(sed -ne 's/\s*\([0-9]\+\)\s*md$/\1/p' /proc/devices)
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# Always start md devices read/only. They will get set to rw as soon
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# as the first write occurs. This way we can guarantee that no
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# restore occurs before resume.
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if [ -f /sys/module/md_mod/parameters/start_ro ]; then
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echo 1 > /sys/module/md_mod/parameters/start_ro
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fi
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