Plan Disk Space

Eucalyptus services need disk space for log files, databases, buckets, and instances. The following table details the needs of each service. Verify that the host machines you plan to install the services on have adequate space.

We recommend that you choose a disk for the Walrus that is large enough to hold all objects and buckets you ever expect to have, including all images that will ever be registered to your system, plus any Amazon S3 application data. For heavy S3 usage, Riak CS is a better choice for object storage.

Tip: We recommend that you use LVM (Logical Volume Manager). If you run out of disk space, LVM allows you to add disks and migrate the data.

Service	Directory	Minimum Size
Cloud Controller (CLC) CLC logging	/var/lib/eucalyptus/db /var/log/eucalyptus	20GB 2GB
Walrus Walrus logging	/var/lib/eucalyptus/bukkits /var/log/eucalyptus	250GB 2GB
Storage Controller (SC) (EBS storage) Important: This disk space on the SC is only required if you are not using a SAN driver or if you are using Direct Attached Storage (DAS). For more information, see Configure the Storage Controller.	/var/lib/eucalyptus/volumes /var/log/eucalyptus	250GB
User-Facing Services (UFS) UFS logging	/var/lib/eucalyptus /var/log/eucalyptus	5GB 2GB
Management Console Console logging	/var/log/eucalyptus-console	5GB 2GB
Cluster Controller (CC) CC logging	/var/lib/eucalyptus/CC /var/log/eucalyptus	5GB 2GB
Node Controller (NC) NC logging	/var/lib/eucalyptus/instances /var/log/eucalyptus	250GB 2GB

Service

Directory

Minimum Size

Cloud Controller (CLC)

CLC logging

/var/lib/eucalyptus/db

/var/log/eucalyptus

20GB

2GB

Walrus

Walrus logging

/var/lib/eucalyptus/bukkits

/var/log/eucalyptus

250GB

2GB

Storage Controller (SC) (EBS storage)

Important: This disk space on the SC is only required if you are not using a SAN driver or if you are using Direct Attached Storage (DAS). For more information, see Configure the Storage Controller.

/var/lib/eucalyptus/volumes

/var/log/eucalyptus

250GB

User-Facing Services (UFS)

UFS logging

/var/lib/eucalyptus

/var/log/eucalyptus

5GB

2GB

Management Console

Console logging

/var/log/eucalyptus-console

5GB

2GB

Cluster Controller (CC)

CC logging

/var/lib/eucalyptus/CC

/var/log/eucalyptus

5GB

2GB

Node Controller (NC)

NC logging

/var/lib/eucalyptus/instances

/var/log/eucalyptus

250GB

2GB

If necessary, create symbolic links or mount points to larger filesystems from the above locations. Make sure that the 'eucalyptus' user owns the directories.