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puppet: Use deadline scheduler for disks on Postgres master 

(imported from commit 41061cb4535b94b4afea8c3a2228120073bf06ee)
This commit is contained in:
Zev Benjamin 2013-04-22 11:06:54 -04:00
parent 092cdff061
commit f280e7cdfa
1 changed files with 4 additions and 0 deletions
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4
servers/puppet/modules/humbug/files/postgresql/setup_disks.sh
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@ -1,9 +1,13 @@
#!/bin/sh
umount /mnt
yes | mdadm --create /dev/md0 --raid-devices=2 --level=1 /dev/xvdb /dev/xvdc
blockdev --setra 4096 /dev/xvdb
blockdev --setra 4096 /dev/xvdc
blockdev --setra 4096 /dev/md0
echo deadline > /sys/block/xvdb/queue/scheduler
echo deadline > /sys/block/xvdc/queue/scheduler
mkfs.xfs /dev/md0
echo "/dev/md0 /srv xfs noatime,barrier 1 1" >> /etc/fstab
mount /srv