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Add fix to the cron scripts to prevent maxing out i/o.

This commit is contained in:
Cyteen 2017-11-25 15:47:52 +00:00
parent 6ebccf12d1
commit ce2f17a42b
1 changed files with 16 additions and 8 deletions
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24
020_zfs-auto-snapshot.sh
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@ -8,14 +8,22 @@
## A .deb package can be created for zfs-auto-snapshot: ## A .deb package can be created for zfs-auto-snapshot:
apt-get -y install git build-essential zfsnap apt-get -y install git build-essential zfsnap
apt-get -y install zfs-auto-snapshot apt-get -y install zfs-auto-snapshot
ZSH_BUILD_HOME=/var/tmp/zfs-auto-snapshot #ZSH_BUILD_HOME=/var/tmp/zfs-auto-snapshot
mkdir -p ${ZSH_BUILD_HOME} && \ #mkdir -p ${ZSH_BUILD_HOME} && \
cd ${ZSH_BUILD_HOME} && \ # cd ${ZSH_BUILD_HOME} && \
git clone https://github.com/zfsonlinux/zfs-auto-snapshot.git && \ # git clone https://github.com/zfsonlinux/zfs-auto-snapshot.git && \
cd ${ZSH_BUILD_HOME}/zfs-auto-snapshot &&\ # cd ${ZSH_BUILD_HOME}/zfs-auto-snapshot &&\
git merge origin/debian && \ # git merge origin/debian && \
dpkg-buildpackage -b -uc -us && \ # dpkg-buildpackage -b -uc -us && \
dpkg -i ../zfs-auto-snapshot_*.deb # dpkg -i ../zfs-auto-snapshot_*.deb
# Without --fast the zfs list command regularly takes too long, 100% i/o.
sed -i 's|-q|--quiet|g' /etc/cron.d/zfs-auto-snapshot
sed -i 's|-g|--syslog|g' /etc/cron.d/zfs-auto-snapshot
for i in $(find /etc/cron.*/zfs-auto-snapshot); do
sed -i 's|--quiet|--quiet --fast|g' "${i}"
done
## 2. home directory set for zfssnap role (the user taking snapshots and ## 2. home directory set for zfssnap role (the user taking snapshots and
## doing the sending): ## doing the sending):