David Markham writes:
> Thought id better add ...
>  
> I heard it is bad to have hardware and software compression, so hence
> the question where is hardware compression turned on and off, so i can
> check if it is on.

Easiest way is to look at the left front of the drive.  The second
light up from the bottom is for compression.

You turn it on or off by which device file you use, and also probably
depends on having the correct st.conf entry.  Short answer, if you're
using a "c" in your device name you're attempting to use compression.
For a longer answer, man st.

>  
> Currently on my other classes i do not have software compression turned
> on, and was thinking of turning it on for the class containing client in
> questions.

I wouldn't, unless you're on a T1 or something.

>  
> Normally how long would people expect it to take to back up 14 gig.

Can't really say, too many variables.  In your email, you mention
another client doing 14GB/hr, which is acceptable but not great for
DLT7000 and 100Mb.

>  
> Dave
>  
>  
> -----Original Message-----
> From: veritas-bu-admin AT mailman.eng.auburn DOT edu
> [mailto:veritas-bu-admin AT mailman.eng.auburn DOT edu]On Behalf Of David
> Markham
> Sent: 22 May 2002 14:58
> To: 'Penelope Carr'
> Cc: 'Veritas-Bu (E-mail)
> Subject: RE: [Veritas-bu] backup time on 1 client seems big
> 
> 
> no the 2 -3 meg /second was the ftp speed i was getting over the network
> which wasn't too bad.
>  
> I got 4 DLT drives in  the Sun L1000. 
>  
> Yes using multiplexing, but im currently running a test of this client
> on its own and it has only backed up 205 meg in 1 hour.
>  
> Where is hardware compressions turned on or off? because someone
> suggested turning software compression on .
>  
> I could do this for this class, although I do not do it for other
> classes.
>  
> Dave
>  
>  
> -----Original Message-----
> From: Penelope Carr [mailto:Penelope.Carr AT veritas DOT com]
> Sent: 22 May 2002 14:35
> To: dave.markham AT icl DOT net
> Subject: RE: [Veritas-bu] backup time on 1 client seems big
> 
> 
> what drives do you have???? 2-3 meg is not that great if you have
> dlt8000, 9840 or LTOs.
>  
> if you have DLT4000 or DLT7000 you should still get 4-5 meg per second.
>  
> Are you using multiplexing??
>  
> Penny
> 
> -----Original Message-----
> From: David Markham [mailto:dave.markham AT icl DOT net]
> Sent: Wednesday, May 22, 2002 8:38 AM
> To: David Chapa; 'Veritas-Bu-Admin (E-mail)'
> Cc: ''Veritas-Bu (E-mail)'
> Subject: RE: [Veritas-bu] backup time on 1 client seems big
> 
> 
> Nic is set to full duplex, 100 meg adv_autoneg_cap = 0 ie
> autonegotiation off.
>  
> Network ftp test was good speed, about 2 - 3 meg a second.
>  
> So stuck now. Going to try a manual backup of client while nothing else
> is running. See if theres any difference.
>  
> Cheers
>  
>  
>  

-- 
Larry Kingery 
       Don't anthropomorphize computers -- they don't like it.