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There are three phases of a SAVLIB command: 1. Allocation of the objects 2. The save itself 3. Deallocation of the objects When you do multiple libraries in one SAVLIB command, they overlap, making the tape spin constantly. Small objects (like source members) which do not consult a lot of tape can cause the tape to stall. Al Al Barsa, Jr. Barsa Consulting Group, LLC 400>390 914-251-1234 914-251-9406 fax http://www.barsaconsulting.com http://www.taatool.com Finucci Domenico <Domenico.Finucci@Fid To: "'midrange-l@midrange.com'" <midrange-l@midrange.com> italia.it> cc: Sent by: Subject: R: Savlib with multiple libraries midrange-l-admin@midr ange.com 01/22/02 04:17 AM Please respond to midrange-l This question has already been submitted: most problably the difference depends from tape rewinding, as someone pointed out. Sincerely Domenico Finucci Fiditalia , Milano, 02- 4301-2494 -----Messaggio originale----- Da: oliver.wenzel@cibavision.novartis.com [mailto:oliver.wenzel@cibavision.novartis.com] Inviato: marted́ 22 gennaio 2002 10.09 A: MIDRANGE-L@midrange.com Oggetto: Savlib with multiple libraries Hello, does anybody know the differences between a SAVLIB (LIB1 LIB2 LIB3) and a SAVLIB (LIB1) SAVLIB(LIB2) SAVLIB (LIB3) ? We have split up our nightly backup into two jobs - one saves all important data libraries in a single SAVLIB, the other takes care of the rest (reading the libraries from a file and doing a SAVLIB for each). The save of the data libs (about15) has 50GB and takes 30 minutes, the other libraries (about 400) also have 50GB and take 2hrs 15min. The data libs also give the message "30000 locks exceeded..." - I guess it first locks all objects in all libraries. So, any ideas on the implications - performance? others? Thanks, Oliver _______________________________________________ This is the Midrange Systems Technical Discussion (MIDRANGE-L) mailing list To post a message email: MIDRANGE-L@midrange.com To subscribe, unsubscribe, or change list options, visit: http://lists.midrange.com/cgi-bin/listinfo/midrange-l or email: MIDRANGE-L-request@midrange.com Before posting, please take a moment to review the archives at http://archive.midrange.com/midrange-l. _______________________________________________ This is the Midrange Systems Technical Discussion (MIDRANGE-L) mailing list To post a message email: MIDRANGE-L@midrange.com To subscribe, unsubscribe, or change list options, visit: http://lists.midrange.com/cgi-bin/listinfo/midrange-l or email: MIDRANGE-L-request@midrange.com Before posting, please take a moment to review the archives at http://archive.midrange.com/midrange-l.
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