ADSM-L

Re: 500GB Backup

2001-04-27 15:55:15
Subject: Re: 500GB Backup
From: Jeff Bach <jdbach AT WAL-MART DOT COM>
Date: Fri, 27 Apr 2001 14:55:49 -0500
9 megabytes is 72 megabits, the max over 100 MB is 100 megabits or 100/8
megabytes. Expect 80% of the max throughput.

I would get gigabit.

Jeff Bach

> -----Original Message-----
> From: Dearman, Richard [SMTP:rdearm1 AT UIC DOT EDU]
> Sent: Friday, April 27, 2001 2:50 PM
> To:   ADSM-L AT VM.MARIST DOT EDU
> Subject:      Re: 500GB Backup
>
> 9000 kb is only 9 megabytes per second.  Over 100 megabyte lan.  I'm only
> using 10% of my band width.  There has to be a better tranfer rate than
> this.  I need to be able to backup 500GB in an hour!!  and 1TB in 2
> hours!!
> Somebody solve that one?
>
>
> -----Original Message-----
> From: Jeff Bach [mailto:jdbach AT WAL-MART DOT COM]
> Sent: Friday, April 27, 2001 2:29 PM
> To: ADSM-L AT VM.MARIST DOT EDU
> Subject: Re: 500GB Backup
>
>
> Gigabit ethernet.  a switched network. multi-thread.
>
> This is normal throughput.
>
> 100 meg is 100/8 megabytes
>
> LAN free is 40 Gigs per hour.
>
> 1.      Speed up client disks
> 2.      stop doing RAID5
> 3.      SAN storage
>
>
> > -----Original Message-----
> > From: Dearman, Richard [SMTP:rdearm1 AT UIC DOT EDU]
> > Sent: Friday, April 27, 2001 2:03 PM
> > To:   ADSM-L AT VM.MARIST DOT EDU
> > Subject:      Re: 500GB Backup
> >
> > 9000 kB/s is only 9mb per second.  Over a 100meg ethernet LAN.  That
> > doesn't
> > sound to god to me.
> >
> > -----Original Message-----
> > From: Adolph Kahan [mailto:akahan AT ICA DOT NET]
> > Sent: Friday, April 27, 2001 1:02 PM
> > To: ADSM-L AT VM.MARIST DOT EDU
> > Subject: Re: 500GB Backup
> >
> >
> > If you're getting 9000 kBytes/s over a 100mb LAN, then that is very good
> > and you
> > are not going to move data faster over the LAN.
> >
> >
> > ----- Original Message -----
> > From: Dearman, Richard <rdearm1 AT UIC DOT EDU>
> > Sent: Friday, April 27, 2001 1:32:51 PM
> > To: <ADSM-L AT VM.MARIST DOT EDU>
> > Subject: Re: 500GB Backup
> >
> > > I am not using any TDP product.  I'm picking up oracle db dump files
> > with
> > > the regular tsm client.  Going over a 100mb ethernet segment.  Then
> > > migrating the files to a 3494 library.  All the data goes to disk
> first.
> > >
> > >
> > >
> > > -----Original Message-----
> > > From: Prather, Wanda [mailto:Wanda.Prather AT JHUAPL DOT EDU]
> > > Sent: Friday, April 27, 2001 12:25 PM
> > > To: ADSM-L AT VM.MARIST DOT EDU
> > > Subject: Re: 500GB Backup
> > >
> > >
> > > And it depends on the type of DB.  TSM only supports a couple in
> > LAN-free
> > > mode.
> > >
> > > -----Original Message-----
> > > From: Dearman, Richard [mailto:rdearm1 AT UIC DOT EDU]
> > > Sent: Friday, April 27, 2001 1:18 PM
> > > To: ADSM-L AT VM.MARIST DOT EDU
> > > Subject: Re: 500GB Backup
> > >
> > >
> > > You need a SAN in place to use the LAN free backup.
> > >
> > > -----Original Message-----
> > > From: PINNI, BALANAND (SBCSI) [mailto:bp3965 AT SBC DOT COM]
> > > Sent: Friday, April 27, 2001 12:01 PM
> > > To: ADSM-L AT VM.MARIST DOT EDU
> > > Subject: Re: 500GB Backup
> > > Importance: High
> > >
> > >
> > > Hi
> > > If I am correct IBM offers LAN free backup which is faster .But need
> to
> > > purchase additional s/w.
> > > pinni
> > >
> > >
> > >
> > > -----Original Message-----
> > > From: Dearman, Richard [mailto:rdearm1 AT UIC DOT EDU]
> > > Sent: Friday, April 27, 2001 11:48 AM
> > > To: ADSM-L AT VM.MARIST DOT EDU
> > > Subject: 500GB Backup
> > >
> > >
> > > I need to backup a 500GB database and my current setup is my tsm
> server
> > is
> > > on the same ip subnet has the database server.  Tsm is connected to
> > 500GB
> > of
> > > SSA storage with 5 RAID5 sets with two 50GB tsm volumes on each raid
> > set.
> > > My though put to the disk only seems to be 9000 kB/s.  Which doesn't
> > seem
> > > very high to me. My backup time is about 6 hours.  Does anyone have
> any
> > > better senarios for backing up this amount of data in the smallest
> > amount
> > of
> > > time soon.  I am going to be backing up a 1Tb per day and I need to
> get
> > me
> > > backup times to the lowest.  Does anyone have any suggestions on how
> to
> > do
> > > that.
> > >
> > > Thanks
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