Compression and speed

2000-07-13 Thread jakob krabbe


Client licenses are now stored in Retrospect's License Manager. If you had
old-style Retrospect Clients with activator codes, then the License Manager
automatically knows how many client licenses (i.e., a 10-pack) you already
have. When you forget a client computer, the License Manager makes that
license available for a new client system to be logged in. To add more
Retrospect Clients, you can now just enter a license code into License
Manager.

So you said and so I hoped it to be. I had free numbers but still two
computers demanded the same serial. It's solved by using "a poor mans
installer", simpley copying the settings from the old machine and re
installing the client on one machine and now it works.

---

I tried to back up without any security or compression, still I just got
some 67 MB/min at the most and I think that's too slow. Or rather, I
expected it to be faster, but it's OK. I truelly don't care that much if it
takes 2 or 4 hours as long as it's working.

All our computers are named PPC_01, PPC_02, iBook_01, PC_01 etc and they
doen't say Boss' HD or similar. Second you would need a VXA drive to
extract the data so I think 128 Bit encryption on top of that is really too
much.

Yesterday when I clicked the hardware compression, is wasn't shown in the
status window, but maybe it's working anyway? Compression isna't that
efficiant anyway, I get some 10 to 15%. (One can ask how the can sell tapes
that will store 66 GB? That demands a compression of 50% witch for me seems
more or less theoretic...)

Did I miss someting here?

thanx,

/ jakob


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Re: Retrospect and Quantum Snap Server / again [x-post toMac-Managers list]

2000-07-13 Thread Nicholas Froome

I am testing a Snap Server loaned by Quantum next week.

I would appreciate anyone with experience of backing these up using Retrospect 
emailing me their observations. I will summarise later to this list. Specifically I'd 
like to know:

* what machine the Snap is mounted on for backup
* OS of that machine
* whether mounted via AppleTalk or TCP/IP
* size of Snap and amount of data
* any problems observed during Recycle and/or Normal backups


Regards


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Re: Compression and speed

2000-07-13 Thread jakob krabbe


Thanx for your reply!

The passwords are not written on a pice of paper next to the server... 

When it comes to speed, one thing hit me, I use the internal SCSI-1 socket.
Maybe a SCSI-2 card wold speed up performance.

Thank you for your advice. They are really appreachiated.

thanx,

/ jakob


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Compression and speed

2000-07-13 Thread Jeffry C. Nichols

With all this talk of compression, speed, different drives, etc., 
would it be possible for someone at Dantz to set up a database that 
Retrospect users could contribute to with the purpose of documenting 
the different systems and their performance?

At a minimum, it could include backup computer type, backup device 
used, connection type (SCSI, USB, Firewire), typical backup speeds as 
reported in the log file, and most importantly, footnotes to 
problems/solutions that people have tried or used to improve their 
own backup.

As an example, I'm currently fighting the problem of several backup 
clients which run faster via Appletalk than TCP/IP.  Also, I'd like 
to know, as someone else mentioned, would it be advantageous to get a 
SCSI-2 or SCSI-3 card, or am I limited by the speed of the backup 
device itself?

Just my $0.02.

Jeffry C. Nichols, PhD
Instructor/Lab Coordinator
Rice University
Biochemistry Department
Houston, Texas

Phone:  713-348-2660


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Retrospect running on servers

2000-07-13 Thread Nicholas Froome

Phillip and Rhona said:


We are also running an Appleshare server and Retrospect on the same machine -

...

This configuration has been very stable for us.


I can think of a number of extremely good reasons not to run Retrospect on a 
fileserver:

1 - you can't work on fine-tuning the setup without prejudicing the server
2 - the server is less stable
3 - you can't easily rename removeable media for use by the backup

You wouldn't use a fileserver to burn CDs, so why use it to copy data for a backup?

Until you've been in the position of losing the entire contents of a client's 
fileserver, just because Retrospect was on that machine **, you won't appreciate what 
a bad idea it is. I now won't work on backup systems on servers, and would never 
recommend a server hosts backup or even removebale media drives.


Regards


** This was not a Retrospect problem; the file server drive had been formatted with 
Hammer Utilities, and had erroneously been setup as being a removeable media drive 
rather than a fixed hard drive. Whilst testing the backup, the fileserver volume then 
appeared as a target volume to backup to - and the inevitable happened.

The file server volume was selected as the target drive, the backup was started, and 
the drive was wiped clean.

This was a once-in-a-lifetime situation. But, of course, once is enough.


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force a tape to exit the drive...

2000-07-13 Thread jakob krabbe


I ran a script earlier today as I had to pause.

I thought everything was in order but now, just before leaving for home, I
noticed the drive is acting very strange.

Led #2 on my VXA drive is blinking but it never stops. Blinking means that
the tape is loading but does that load take like 30 minutes or more??

any advice appreachiated...

/ jakob - i promise, next summer i won't buy anything... :-/


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Odd error message

2000-07-13 Thread Julia Frizzell

I've done some reconfiguring of our backups, and I'm getting an error 
message that I can't find listed anywhere.

The error number is -33 (directory full). It also says it can't save 
the snapshot. I've got tons of disk space (this is a HD file), so I 
don't think that's the issue, unless somehow the snapshot is so large 
that it can't save it?

Help?

--
Julia Frizzell
User Consultant/Analyst
The Education Alliance
Northeast and Islands Regional Educational Laboratory at Brown University
222 Richmond Street, Suite 300
Providence, Rhode Island  02903-4226
[EMAIL PROTECTED]
401.274.9548 x311 or 800.521.9550 x311
401.421.7650 (fax)
http://www.lab.brown.edu


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RE: force a tape to exit the drive...

2000-07-13 Thread brian9549


A blinking LED may indicate trouble in a drive as well. Check
your documentation. It should tell you exactly what the blinking
light means. Usually if it is blinking that long, it is not a
good sign.

brian


--- Original Message ---
jakob krabbe [EMAIL PROTECTED] Wrote on 
Thu, 13 Jul 2000 18:58:59 +0200
 -- 

I ran a script earlier today as I had to pause.

I thought everything was in order but now, just before leaving
for home, I
noticed the drive is acting very strange.

Led #2 on my VXA drive is blinking but it never stops. Blinking
means that
the tape is loading but does that load take like 30 minutes or
more??

any advice appreachiated...

/ jakob - i promise, next summer i won't buy anything... :-/


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Re: Odd error message

2000-07-13 Thread andrew

there is a limit to the number of nested directories an files you can
have...and it depends on your operating system. Apple's TIL has info on the
max number of directories in a tree...I can't remember off the top of my
head.

HTH
- Original Message -
From: "Julia Frizzell" [EMAIL PROTECTED]
To: "retro-talk" [EMAIL PROTECTED]
Sent: Thursday, July 13, 2000 1:20 PM
Subject: Odd error message


 I've done some reconfiguring of our backups, and I'm getting an error
 message that I can't find listed anywhere.

 The error number is -33 (directory full). It also says it can't save
 the snapshot. I've got tons of disk space (this is a HD file), so I
 don't think that's the issue, unless somehow the snapshot is so large
 that it can't save it?

 Help?

 --
 Julia Frizzell
 User Consultant/Analyst
 The Education Alliance
 Northeast and Islands Regional Educational Laboratory at Brown University
 222 Richmond Street, Suite 300
 Providence, Rhode Island  02903-4226
 [EMAIL PROTECTED]
 401.274.9548 x311 or 800.521.9550 x311
 401.421.7650 (fax)
 http://www.lab.brown.edu


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 --
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 To unsubscribe:  [EMAIL PROTECTED]
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 Problems?:   [EMAIL PROTECTED]




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Re: Odd error message

2000-07-13 Thread Matthew Tevenan

Julia,

This can be a problem with file backup sets. As you know, a file backup set
is basically just a Macintosh file with all of your files condensed into it.

As such, it has a data fork and a resource fork. The resource fork stores
the catalog of the data, including a record of every single file as well as
the Snapshot of every volume you back up to it. It has a 16 MB size limit.
When it reaches this limit, it reports that the directory is full.

What I'm guessing has happened is that you've been backing up so many files
on so many volumes that the resource fork is just full. This can happen even
if you've been backing up using a selector to filter out files, if the
volumes the files came from have many files. Retrospect saves the Snapshot
of the entire volume--including a record of every file--even if it wasn't
backed up in its entirety.

My recommendations are to either define a Subvolume (see p. 168 of the
Retrospect 4.2 User's Guide) or several that contain the files you want to
back up from each client, which will result in smaller Snapshots. Or if you
don't care about the Snapshots at all, turn off this feature. To do this, go
into your script, click Options, choose the Catalog option group, then
uncheck "Save source Snapshots..."

Regards,

Matthew Tevenan
Technical Support Specialist
Dantz Development Corporation
925.253.3050 
[EMAIL PROTECTED]

 From: Julia Frizzell [EMAIL PROTECTED]
 Reply-To: "retro-talk" [EMAIL PROTECTED]
 Date: Thu, 13 Jul 2000 13:20:57 -0400
 To: "retro-talk" [EMAIL PROTECTED]
 Subject: Odd error message
 
 I've done some reconfiguring of our backups, and I'm getting an error
 message that I can't find listed anywhere.
 
 The error number is -33 (directory full). It also says it can't save
 the snapshot. I've got tons of disk space (this is a HD file), so I
 don't think that's the issue, unless somehow the snapshot is so large
 that it can't save it?
 
 Help?
 
 --
 Julia Frizzell
 User Consultant/Analyst
 The Education Alliance
 Northeast and Islands Regional Educational Laboratory at Brown University
 222 Richmond Street, Suite 300
 Providence, Rhode Island  02903-4226
 [EMAIL PROTECTED]
 401.274.9548 x311 or 800.521.9550 x311
 401.421.7650 (fax)
 http://www.lab.brown.edu
 
 
 --
 --
 To subscribe:[EMAIL PROTECTED]
 To unsubscribe:  [EMAIL PROTECTED]
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 Problems?:   [EMAIL PROTECTED]
 



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Re: Odd error message

2000-07-13 Thread Cesar Morales

if your HD file is near 2 GB in size, that's your problem. The limit is 2Gb 
for storage set files, per Retrospect's manual.

Cesar


At 01:20 PM 7/13/00 -0400, you wrote:
I've done some reconfiguring of our backups, and I'm getting an error 
message that I can't find listed anywhere.

The error number is -33 (directory full). It also says it can't save the 
snapshot. I've got tons of disk space (this is a HD file), so I don't 
think that's the issue, unless somehow the snapshot is so large that it 
can't save it?

Help?

--
Julia Frizzell
User Consultant/Analyst
The Education Alliance
Northeast and Islands Regional Educational Laboratory at Brown University
222 Richmond Street, Suite 300
Providence, Rhode Island  02903-4226
[EMAIL PROTECTED]
401.274.9548 x311 or 800.521.9550 x311
401.421.7650 (fax)
http://www.lab.brown.edu


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RE: Is 4.2 compatible with OS 8.6 and ASIP 6.2

2000-07-13 Thread Jaeger, Luke

And in case you're wondering who turned on that 'temp memory' setting when
you didn't even know it existed - Apparently the 'temp memory' setting was
recommended a couple of versions ago; since then it has become preferable to
leave it off. If you upgraded your copy of Retrospect from an earlier
version this pref may have persisted. A little relic from the days of the
Apple Workgroup Server 95, when A/UX still walked the earth 





top of the world,

Luke Jaeger, Technology Coordinator
Disney Magazine Publishing
Northampton, Massachusetts
[EMAIL PROTECTED]

Any opinions expressed in this message are my own and may not represent the
opinions of Disney Publishing, etc etc etc.

*

 --
 From: Eric Zylstra
 Reply To: retro-talk
 Sent: Thursday, July 13, 2000 3:45 PM
 To:   retro-talk
 Subject:  Re: Is 4.2 compatible with OS 8.6 and ASIP 6.2
 
 Brad Suinn, an ASIP enginner for Apple, has compiled a list of advice 
 for making your ASIP Server more stable.  Look in the ASIP list 
 archives, if you can, and look for recent messages from Brad.
 
 In the advice compiled (from a variety of sources) there is the 
 technique to stop Retrospect from using temp memory, which seems to 
 cause problems with ASIP's use of Temp memory for it's cache.  This 
 seems a likely culprit for many of the ASIP/Retrospect issues.
 Eric Zylstra
 [EMAIL PROTECTED]
 
 
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RE: RE: force a tape to exit the drive...

2000-07-13 Thread brian9549


A drive can go bad at any time for any reason. You are not alone
in this. Hardware fails. If you are having trouble with it, get
it fixed and move on.

Brian


--- Original Message ---
jakob krabbe [EMAIL PROTECTED] Wrote on 
Thu, 13 Jul 2000 20:02:42 +0200
 -- 
At 10:21 2000-07-13 -0700, you wrote:

A blinking LED may indicate trouble in a drive as well. Check
your documentation. It should tell you exactly what the blinking
light means. Usually if it is blinking that long, it is not
a
good sign.

Gee...

The drive is working, the tape is rewinding itself after waiting
a long
while and pressing eject.

I paused the backup, ok I'm sorry, I won't do that again, but
does the
drive really need to do this with me? I can still count the number
of
backups that has been done...

/ jakob


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