ADSM-L

[no subject]

2015-10-04 17:38:06
>Roger,
>
>I'm curious...
>
>We have a similar setup. e.g. two Rs/6000 with HACMP. The network adaptors
>fail over fine, the SSA fails over without a problem.
>
>However we have a problem failing over the drives on the 3494. Our 3494 is
>split into two logical libraries with 16drives. 8 drives available to each
>server.
>The 3590 drives are dual ported allowing us to fail them over from one ADSM
>Server to another. This works fine provided that the there is no I/O
>activity during the failover. If however there is activity then the drive
>does not failover because the SCSI bus does not reset.
>
>How were you able to overcome this?
>
>Nathan
>        -----Original Message-----
>        From:   Roger Hohmann [SMTP:Roger_Hohmann AT WESTLB DOT DE]
>        Sent:   Friday, October 01, 1999 10:24 AM
>        To:     ADSM-L AT VM.MARIST DOT EDU
>        Subject:        Re: Two server with the same database ??
>
>        We are using a pair of adsm servers with hacmp. In normal mode,
each
>        of them has one adsm running. In case of failure, all filesystems
>are
>        mounted to the remaining server and he has 2 dsmserv's running,
each
>        with it's own db. (We had to use different tcpports for admin and
>        http). It's a little tricky, and you need to double adaptors and
you
>        need ssa disks, but it's worth the money.
>
>        If we (or the hacmp) recognizes the server crash, we are up with
>both
>        servers a on one machine a few minutes later. Our customers won't
>        notice it.
>
>        Roger
>
>        -----Urspr|ngliche Nachricht-----
>        Von: Riccardo Capecchi <r.capecchi AT CINECA DOT IT>
>        An: ADSM-L AT VM.MARIST DOT EDU <ADSM-L AT VM.MARIST DOT EDU>
>        Datum: Freitag, 1. Oktober 1999 15:49
>        Betreff: Two server with the same database ??
>
>
>        >I wonder is is possible to have 2 server that work with the same
>        clients
>        >and have the same database (but only 1 copy of backup and
archivied
>        >files), mainly the second should be the mirror of the first, so if
>        the
>        >first crash i've no problem using the second while i rstore the
>        first.
>        >There is something is ADSM or i should use the operating system ??
>        >I use AIX 4.21
>        >
>        >--
>        >                     Saluti, Riccardo Capecchi
>        >
>        >===========================================================
>        >| Riccardo Capecchi - Gruppo Gestione Sistemi
>        >| CINECA  (Inter-University Computing Center)
>        >| Via Magnanelli, 6/3  I-40033
>        >| Casalecchio di Reno Bologna Italy
>        >| http://www.cineca.it - 051/6171411
>        >===========================================================
<Prev in Thread] Current Thread [Next in Thread>
  • [no subject], Unknown <=