
bfc6fb4f8aa9910c6c6e75517fa80962.ppt
- Количество слайдов: 25
Importance of backups for Information Lifecycle Management in Automated and Digital Libraries Mrs. Gayathri Sen Chief Librarian, PESIT BANGALORE NACLIN 2007 1
Why this paper? NACLIN 2007 2
Librarians are busy with Usual activities like ØClassification ØCataloguing ØAutomation ØReference service ØPublic Relations ØEtc. , NACLIN 2007 3
In medium sized Libraires If not you, who? If not now, when? NACLIN 2007 4
No excuse for disasters • Lack of time • Lack of awarness • Lack of expertise NACLIN 2007 5
What is backup? Ensuring that if a man made or natural disaster occurs, we will be prepared to deal with it in such a manner that the academic service continue without Disruption Or If there is a disurption, it is restored as rapidly as possible NACLIN 2007 6
Best practice Plan in advance before actual disaster happens NACLIN 2007 7
Data backups How effectively can we perform, if our e-mails, correspondences, documents, reports and databases got wiped out? 2. How long will it take for us to build it from scratch? 3. Can you muster the energy and enthusiasm to recreate? 1. NACLIN 2007 8
With reference to Library what to backup ? 1. Bibliographical data or metadata 2. Full text contents of digital libraries - like faculty 3. publications, syllabus and question papers, project reports 4. 3. Official correspondences, letters, internal communications 5. and reports 6. 4. E-mails sent and received 7. 5. Students and faculty downloads if done in library systems 8. in their designated folders NACLIN 2007 9
Educate Library staff regarding 1. Security awareness 2. Are we providing data security to our users 3. Importance of User ID and Password 4. Validity issues-Making old/lost Borrower’s card invalid 5. Access Security to all systems NACLIN 2007 10
Factors to be kept in mind 1. Data backup and restoration • At what periodicity – hourly, daily, weekly In our. …. 2. Imagine the hard work of years being lost just because a file is deleted unknowingly by some staff • Critical data – Circulation information NACLIN 2007 11
Operating System • Update with required supporting patches and softwares? • All required software downloads which was being used during process of evaluation of the application program till date NACLIN 2007 12
Take care of • Physical security • Hardware and other equipments secure ? • Virus protection • Updated and virus software available and being used periodically are legal • Account and password • Only authenticated personnel to have access NACLIN 2007 13
Backup options and Methods a)Mirroring the entire hard disk containing data into another partition, which is identical b) Auto backup excellent as a primary measure c) Hard disk, DVD, CD-Rom, Zip, etc. , NACLIN 2007 14
Options Ø Portable external hard drives – Up to 160 GB capacity available and convenient to use. Cost varies from Rs. 2500 to 5000 depending on the storage capacity. Ø Rewritable DVD drives - For medium-size backups of 20 GB or less. Cost varies from Rs. 1500 to Rs. 3500 depending on internal or external. Cost of rewritable DVD is approximately Rs. 50. Cost of once writable is Rs. 20. NACLIN 2007 Cont…. . 15
Options Ø Tape Drives - Tape can hold several gigabytes of data, 40 GB to 80 GB capacity. Cost of drive is approximately Rs. 40, 000 and of the tape from Rs. 1300 to Rs. 1500 for the above capacity. Ø USB-Powered Drives – also called pen drives can store up to 4 GB data. Cost varies from Rs. 600 to Rs. 2500 depending on storage capacity. Cont…. NACLIN 2007 16
Options Ø Compact Disks – are good for backing up small quantities of data up to 700 MB costs Rs 10 to 15 per CD which is once writable. Rewritable around Rs. 30. Ø Floppies – For smaller back ups for different files or circulation transaction hourly backup. Ø Paper – Not viable in the present day automated environments NACLIN 2007 Cont… 17
Options Ø Network-attached storage (NAS) devices storage capacities of hundreds of gigabytes to several terabytes of data. Ø Storage Area Network (SAN)- A storage device is a machine that contains disks for storing terra bytes to peta bytes of data. Cost for both these options runs into several lakhs depending on storage capacity. Ø Solutions to store the entire data at a different site daily at a given time NACLIN 2007 18
Backup guidelines a)2 sets of backup • Live • Off site location b) Different medias • Mirroring the drive • Any other media like tape, external hard drive NACLIN 2007 19
At PESIT Processor Mother board Memory Hard disk Flopy disk drive DVD writer Display card Display unit RAID card Keyboard Ethernet card Server Cabinet AMD dual core 3800+ TYAN S 2865 board 2 GB RAM SATA-II 500 GB , HDD(x 5 nos), 80 GB(x 2 nos) Hitachi 1. 44 MB FDD Sony 16 x Built in 15” CRT colour monitor High point 1820 A 8 -port SATA Logitech Built in Gigabit card ATX with 500 watt smps NACLIN 2007 20
Future plans 1) Outsource to vendors for online backups in a different location may be daily or periodically depending on the cost 2) Uni. Vault XL 1000 series 3) Univault XL 1000 – Standard : upto 925 GB storage 4) Univault XL 1000 – Ultra : 925 GB to 2100 GB usable storage NACLIN 2007 Contd… 21
Future plans Uni. Vault XL 1000 series - Store all critical and non critical information in one location - Securely share information with any computer in the network - Lock access to data and reduce chances of information theft - Rid the burden of taking frequent backups to save information from computer failures - Instant recovery of infected data files NACLIN 2007 22
Why Univault? • Cost effective • Online information content not criticalunlike bank transactions • Users can wait for an hour or two till the OS and application software is loaded • Data corruption reduced • Secure OS NACLIN 2007 23
Contact Information www. tidaldata. com Tidal Data Solutions Pvt. Ltd. PESIT Campus, 100 ft. Ring Road, BSK III stage Bangalore – 560085 India +91 80 2672 0670 /39/45 Fax: +91 80 2672 0642 NACLIN 2007 24
THANK YOU NACLIN 2007 25