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Economical Big Local Storage Tom Klingler, Kent State University. CNI Spring 2013 Membership Meeting April 4-5, 2013 San Antonio, TX. Kent State University. 2. Economical Big Local Storage. Storage Pods (present): Storage Pod: $5,000.00 each x 3 pods = …$15,000.00

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economical big local storage tom klingler kent state university
Economical Big Local StorageTom Klingler, Kent State University
  • CNI Spring 2013 Membership Meeting
  • April 4-5, 2013
  • San Antonio, TX
economical big local storage
Economical Big Local Storage

Storage Pods (present):

Storage Pod: $5,000.00 each x 3 pods = …$15,000.00

Minimum Storage of 36 TB

(starting with 15 3-TB drives PER POD):

$130.00 each x 15 drives x 3 pods =..$5,850.00

Present total cost: ………...………...……….$20,850.00

Present cost per (triple-redundant) gigabyte:

$20,850.00 / 36,000 gigabytes=……..….$0.58

with triple redundancy.

(Actual gigabytes online: 108,000 )

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economical big local storage1
Economical Big Local Storage

Storage Pods (full):

If we max out the storage pods, we can triple the storage

space without needing to buy additional pods:

Storage Pod: $5,000.00 each x 3 pods = ……….$15,000.00

Maximum Storage of 108 TB:

$130.00 each x 45 drives x 3 pods =………..….. $17,550.00

Cost per (triple-redundant) gigabyte:

($15,000.00 + $17,550.00) / 108,000 = ………....……$0.30

with triple redundancy.

  (Actual gigabytes online: 324,000 )

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economical big local storage2
Economical Big Local Storage

Storage Pod Solution

1. medium-term storage of digital objects

IS not DAM

IS dark archive

IS Staff storage tool

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economical big local storage3
Economical Big Local Storage
  • Storage Pod Solution
  • 2. objects are known as “items”
  • items can be: digital assets, images, movies, documents,
    • limited to basic 41 file types
  • b. batch upload, zip upload, drag/drop upload
  • c. items --> expiration date --> based on retention period
  • --> based on retention group
  • d. expiration date warning email and expiration report
  • e. items can be labeled as “significant” and then
  • reviewed for potential long-term storage

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economical big local storage4
Economical Big Local Storage

Storage Pod Solution

3. Organization:

Workgroup

---Project

--Item

--Item metadata  

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economical big local storage5
Economical Big Local Storage
  • Storage Pod Solution
  • 4. Metadata
  • a. metadata assigned by the system, such as file type and file size
  • b. users may provide other metadata about the item, such as title, description, creator, creation date, and retention group
  • c. metadata for items in a project can be set automatically by
  • uploading a ZIP Archive file
  • d. certain metadata, such as creator, can be assigned to every item
  • in a project at one time by editing the project information
  • system will also harvest IPTC data from image files if it is present,
  • including title, creator, creation date, and location

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economical big local storage6
Economical Big Local Storage
  • Storage Pod Solution
  • 5.  Users
  • can be members of any number of workgroups,
  • and create any number of projects,
  • c. which can contain any number of items.

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economical big local storage7
Economical Big Local Storage
  • Storage Pod Solution
  • 6. Hardware / Software
  • a. 3 servers distributed throughout campus
  • 36TB storage each, 15 drives each server
      • (case holds 45 drives)
  • c. CentOS (Linux) OS on separate system boot drive
  • d. RAID6  (allows loss of 2 drives with no data loss)
  • e. single CPU
  • f. no 24/365 uptime expectation
  • g. biggest concern is data preservation

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economical big local storage8
Economical Big Local Storage
  • Storage Pod Solution
  • 6. Hardware / Software
  • Interface for staff only; no public interface
  • i. master storage of files
  • No need to store derivative files. 
  • They can be regenerated.
  • daily sync between three pods if all checksums are valid 
  • fixity check (bitwise preservation)
  • checksum computed on server at file upload
  • checksum file integrity check each file each night
  • admin notification of checksum problem

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economical big local storage48
Economical Big Local Storage

Vendors

Case Construction:

http://www.protocase.com/products/index.php?e=Backblaze

http://www.45drives.com/

Hardware System Design by BackBlaze:

http://www.backblaze.com/

Digital Storage System Application:

http://carrickenterprises.com/

rwiggins@carrickenterprises.com

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economical big local storage50
Economical Big Local Storage

CNI Spring 2013 Membership Meeting

April 4-5, 2013

San Antonio, TX

Thank you.

Tom Klingler

TK@KENT.EDU

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