Re: A question about migration
1998-11-21 15:33:53
Subject: |
Re: A question about migration |
From: |
Lloyd Dieter <dieter AT SNRGY DOT COM> |
Date: |
Sat, 21 Nov 1998 15:33:53 -0500 |
Another option is to to do something like creating archives, and then checking
them out (along with a backup of your database), for offsite storage.
Hilton Tina wrote:
>
> If you haven't begun using copypools yet, then if the disk goes bad you've
> lost your backups. However, this is the same as if you did migrate it all
> to tape and then the tape goes bad is unreadable. The backups are gone.
> The best thing to do is to backup all your local storage pools (disk & tape)
> to copypools, or at least the ones that contain backups you don't want to
> lose.
>
> At my shop, I've never had the disk my storage pools use go bad. I have had
> tapes go bad and had to restore them from the copypool.
>
> Tina
>
> > -----Original Message-----
> > From: Steven McNicholas [SMTP:ste_mc AT ZDNETMAIL DOT COM]
> > Sent: Friday, November 20, 1998 8:52 AM
> > To: ADSM-L AT VM.MARIST DOT EDU
> > Subject: A question about migration
> >
> > Hi,
> >
> > In the company I am working for their adsm system is used in the following
> > way....
> >
> > 1) aix clients are backup up to disk pools
> > 2) These disk pools have migration thresholds of
> > low=0% high =80%
> > 3) If the high is reached then it is migrated to a tape pool.
> >
> > My question is this :
> >
> > If during the daily backup this high threshold is not met on some of the
> > disk pools,then this means that there is a whole load of client data
> > residing on (in our case) 1 disk.
> > If that disk pops then goodbye data ( could be maybe 3 days worth ?)
> >
> > What is the solution to this ?
> >
> > Is it possible to mirror the disk pools aix logical volume to another
> > disk using aix ? or is this not possible because there are adsm disk pools
> > in the lv ?.
> >
> > Would it just be better to lower the high migrate threshold to a very low
> > value ?
> >
> > There is no disaster recovery as yet for this machine (no offsite backups
> > etc ) but in the meantime I still do not want to end up losing any data
> > due to disk failures etc.
> >
> > Please help.
> >
> >
> >
> > Free web-based email, anytime, anywhere!
> > ZDNet Mail - http://www.zdnetmail.com
--
---------------------------------------------------------------
---------------------------------------------------------------
Lloyd Dieter - Technical Consultant
Lloyd Dieter - Technical Consultant
315-687-5549 dieter AT snrgy DOT com
---------------------------------------------------------------
______
______
/ \ __\
\ \_`__ __ ____ ____ _______ ___ ______ __
\/____ `\ \ \ \ \/ __ \/ ___ \ \/ __\/ __ \ \ \ \
__ `\ \ \___\ \ /\ \ \ ____/\ /_ / \__\ \ \___\ \
/\ \_/ \______ \ \ \ \ \ \____\ \ /\______ \______ \
\ \_____/_____/ /\_\ \ \_\______\ \\/_____/ /_____/ /
\/____/ __/ /\/_/ \/_/______/_/ _ / / __/ /
/|___/ /|__/ /|___/
|/___/ |/__/ |/___/, Inc
Main:716-389-1260 http://www.snrgy.com fax:315-687-7930
---------------------------------------------------------------
=========================================================================
|
<Prev in Thread] |
Current Thread |
[Next in Thread>
|
- Re: A question about migration, Pat Wilson
- A question about migration, Steven McNicholas
- Re: A question about migration, Hilton Tina
- Re: A question about migration, Scott K. Forbes
- Re: A question about migration, McNamara, Linda
- Re: A question about migration, Kelly J. Lipp
- Re: A question about migration, Dwight Cook
- Re: A question about migration, Joel Fuhrman
- Re: A question about migration,
Lloyd Dieter <=
- Re: A question about migration, Bill Smoldt
- Re: A question about migration, Daniel G. Crouse
- Re: A question about migration, Russell Street
- Re: A question about migration, Kelly J. Lipp
- Re: A question about migration, Russell Street
- Re: A question about migration, Kelly J. Lipp
- Re: A question about migration, Scott K . Forbes [SMTP:forbes
- Re: A question about migration, ADSM : Dist Stor Manager [mailto:ADSM-L
- Re: A question about migration, Russell Street [SMTP:russells
- Re: A question about migration, Russell Street [SMTP:russells
|
|
|