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Date: Thu, 7 May 2015 23:55:17 -0500
From: Justin Pryzby <pryzby@telsasoft.com>
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Subject: [Drbd-dev] crm-fence-peer.sh missing shell expansion
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There are several instances of unexpanded variables in here:

                sleep $(( net_hickup_time - SECONDS ))
        reboot_timeout=$(( reboot_timeout + SECONDS ))
                echo WARNING "${extra_msg}going to reboot -f in $(( reboot_timeout - SECONDS )) seconds! To cancel: kill $$"
                        if out=$( crmadmin -t $(( cibtimeout * 200 )) -S $DRBD_PEER ) \