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scylladb/dist/common/scripts/scylla_kernel_check
2017-05-17 18:05:45 +02:00

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#!/bin/bash -e
#
# Copyright (C) 2016 ScyllaDB
. /usr/lib/scylla/scylla_lib.sh
if [ ! -f /sbin/mkfs.xfs ]; then
if is_debian_variant; then
apt-get install -y xfsprogs
elif is_gentoo_variant; then
emerge -uq sys-fs/xfsprogs
else
yum install -y xfsprogs
fi
fi
mkdir -p /var/tmp/mnt
dd if=/dev/zero of=/var/tmp/kernel-check.img bs=1M count=128 > /dev/null 2>&1
mkfs.xfs /var/tmp/kernel-check.img > /dev/null
mount /var/tmp/kernel-check.img /var/tmp/mnt -o loop
iotune --fs-check --evaluation-directory /var/tmp/mnt > /dev/null 2>&1 &&:
RET=$?
umount /var/tmp/mnt
rm -rf /var/tmp/mnt
rm /var/tmp/kernel-check.img
if [ $RET -eq 0 ]; then
echo "This is a supported kernel version."
else
echo "This is an unsupported kernel version."
if [ "$ID" = "ubuntu" ] && [ "$VERSION_ID" = "14.04" ]; then
echo "Please upgrade to a newer kernel version by executing 'apt-get install linux-image-generic-lts-vivid && reboot'."
else
echo "Please upgrade to a newer kernel version."
fi
echo " see http://www.scylladb.com/kb/kb-fs-not-qualified-aio/ for details"
fi
exit $RET