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https://issues.apache.org/jira/browse/HBASE-2080?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Purtell resolved HBASE-2080.
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Resolution: Fixed
> [EC2] Support multivolume local instance storage
> ------------------------------------------------
>
> Key: HBASE-2080
> URL: https://issues.apache.org/jira/browse/HBASE-2080
> Project: Hadoop HBase
> Issue Type: Sub-task
> Reporter: Andrew Purtell
> Assignee: Andrew Purtell
> Fix For: 0.20.3, 0.21.0
>
> Attachments: HBASE-2080.patch
>
>
> The (old) Hadoop EC2 scripts we used as a basis for our scripts do not
> properly handle instance types that have their local storage attached as
> multiple volumes. The AMI build script uses Amazon's latest Fedora 8 AMI as a
> base, which does not automatically mount instance storage on multiple volumes
> either.
> We recommend use of two instance types:
> - c1.medium for zookeeper, which has one vdisk of 340 GB as /dev/sdb mounted
> on /mnt by the base image
> - c1.xlarge for master and slaves, which have four vdisks of 420 GB as
> /dev/sd[bcde], only one of which is mounted on /mnt by the base image
> Additionally, the m1.xlarge instance type, which a user might use anyway, has
> two vdisks of 420 GB as /dev/sd[bc], only one of which is mounted on /mnt by
> the base image.
> The hbase-ec2-init-remote.sh script should probe for all available instance
> storage devices, mount them, and update the DataNode configuration
> appropriately.
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