Adding, Destroying, and Configuring Chunk Server Journals in Live Parallels Cloud Storage Clusters

Note: To obtain CS repository paths, use the pstorage list-services -C command.

Adding Chunk Server Journals

To add a new journal to a chunk server, use the pstorage configure-cs -a -s command. For example, to add a 2048MB journal to the chunk server CS#1 and place it in a directory on an SSD drive mounted to /ssd , run:

# pstorage -c pcs1 configure-cs -r /pstorage/pcs1-cs1/data -a /ssd/pcs1-cs1-journal -s 2048

Destroying Chunk Server Journals

To destroy a chunk server journal, use the pstorage configure-cs -d command. For example:

# pstorage -c pcs1 configure-cs -r /pstorage/pcs1-cs1/data -d

Moving Chunk Server Journals

To change the chunk server journal directory, do the following using the commands above:

1. Destroy the existing journal
2. Add a new journal with the required size at the required location.

Resizing Chunk Server Journals

To resize a chunk server journal, use the pstorage configure-cs -s command. For example, to resize a CS journal to 4096MB:

# pstorage -c pcs_1 configure-cs -r /pstorage/pcs_1-cs1/data -s 4096