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Support up to 8 EBS volumes. #66

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merged 2 commits into from
Sep 4, 2014
Merged

Support up to 8 EBS volumes. #66

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46e183c
Support up to 8 EBS volumes.
rxin Sep 4, 2014
fb5c491
Alias vol3 vol.
rxin Sep 4, 2014
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22 changes: 13 additions & 9 deletions setup-slave.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -68,16 +68,20 @@ function setup_ebs_volume {
fi
}

# Format and mount EBS volume (/dev/sd[v, w, x, y, z]) as /vol[x] if the device exists
setup_ebs_volume /dev/sdv /vol0
setup_ebs_volume /dev/sdw /vol1
setup_ebs_volume /dev/sdx /vol2
setup_ebs_volume /dev/sdy /vol3
setup_ebs_volume /dev/sdz /vol4
# Format and mount EBS volume (/dev/sd[s, t, u, v, w, x, y, z]) as /vol[x] if the device exists
setup_ebs_volume /dev/sds /vol0
setup_ebs_volume /dev/sdt /vol1
setup_ebs_volume /dev/sdu /vol2
setup_ebs_volume /dev/sdv /vol3
setup_ebs_volume /dev/sdw /vol4
setup_ebs_volume /dev/sdx /vol5
setup_ebs_volume /dev/sdy /vol6
setup_ebs_volume /dev/sdz /vol7

# Alias vol to vol0 for backward compatibility
if [[ -e /vol0 && ! -e /vol ]]; then
ln -s /vol0 /vol
# Alias vol to vol3 for backward compatibility: the old spark-ec2 script supports only attaching
# one EBS volume at /dev/sdv.
if [[ -e /vol3 && ! -e /vol ]]; then
ln -s /vol3 /vol
fi

# Make data dirs writable by non-root users, such as CDH's hadoop user
Expand Down