Re: 500GB Backup
2001-04-30 07:25:02
You're getting you terms mixed up.
9000 kB/s is 9MB/s, as you state.
A 100/mbps ethernet (fast ethernet) is bits-per-second,
not bytes-per second. 100mbps=10mB/s, so if your getting
9mB/s, your doing quite well. This is your bottleneck.
To get faster you're going to need gigabit ethernet, which
is 1000mbps, or, 100mB/s.
I run dual gigabit connections into our tsm server, a
RS/6k-S7A. IBM's adapters seem to max out at around
30-35mB/s, or 20,000-25,000 packets-per-second. As
soon as we get a new switch that supports jumbo
packets (9k ethernet packets) I expect to see the
packets-per-second drop and the throughput increase
for clients that also have gigabit connections.
Rick
On 27 Apr 2001, at 14:03, Dearman, Richard wrote:
> 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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> ***************************EMAIL DISCLAIMER**************************
> This e-mail and any files transmitted with it may be confidential and are
> intended solely for the use of the individual or entity to whom they are
> addressed. If you are not the intended recipient or the individual
> responsible for delivering the e-mail to the intended recipient, any
> disclosure, copying, distribution or any action taken or omitted to be taken
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- Re: 500GB Backup, (continued)
- Re: 500GB Backup, Dearman, Richard
- Re: 500GB Backup, Adolph Kahan
- Re: 500GB Backup, Prather, Wanda
- Re: 500GB Backup, Dearman, Richard
- Re: 500GB Backup, Vibhute, Bandu
- Re: 500GB Backup, Adolph Kahan
- Re: 500GB Backup, Davidson, Becky
- Re: 500GB Backup, Dearman, Richard
- Re: 500GB Backup, Dearman, Richard
- Re: 500GB Backup,
Richard L. Rhodes <=
- Re: 500GB Backup, Jeff Bach
- Re: 500GB Backup, Dearman, Richard
- Re: 500GB Backup, Jeff Bach
- Re: 500GB Backup, Vibhute, Bandu
- Re: 500GB Backup, Jeff Bach
- Re: 500GB Backup, Steve Harris
- Re: 500GB Backup, Dearman, Richard
- Re: 500GB Backup, Burton, Robert
- Re: 500GB Backup, Remeta, Mark
- Re: 500GB Backup, Dearman, Richard
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