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/  Forum Index
   /  Amiga OS4.x \ Workbench 4.x
      /  Workbench Copying Issues
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bladerunner1963 
Workbench Copying Issues
Posted on 26-Mar-2015 11:43:52
#1 ]
Member
Joined: 22-Jan-2015
Posts: 44
From: Baltimore MD

I mounted a DVD that contains over 5,000 files in one directory. Attempting to open that directory in a Workbench window resulted in a clock busy pointer that I gave up on after 20 minutes.

I then tried a simple drag and drop copy of the entire DVD based file directory to a folder on my hard drive....the dialog boxes indicating Workbench was making copies. It ran until this morning (so all night) and claimed 100% completion. There was a final message in the copy dialog box that a certain file had failed. The message box wouldn's dismiss until I removed the DVD from the drive...

When I looked at the target directory on my drive, it was empty. No files were there.

My question is: Does Workbench have a limit to the number of files one can work with? Does the shell suffer from this same issue? I'm going to try a shell copy this morning.

Thanks for any advice.

jb

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Massi 
Re: Workbench Copying Issues
Posted on 26-Mar-2015 14:17:16
#2 ]
Cult Member
Joined: 2-Feb-2011
Posts: 627
From: Rome, Italy

@bladerunner1963

Did you try to copy smaller sets of those files?

There could be some sort of limit (not 100% sure), but it sounds like a huge amount of files for just one folder.

Overall it is advisable to split such number of files in multiple folders.

Last edited by Massi on 26-Mar-2015 at 02:25 PM.

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NutsAboutAmiga 
Re: Workbench Copying Issues
Posted on 26-Mar-2015 14:27:14
#3 ]
Elite Member
Joined: 9-Jun-2004
Posts: 12795
From: Norway

@bladerunner1963

Workbench has never been efficient at listing files. Looking for .info for etch of the files and looking for a default icon if its not found.

I think the sb600sata.device might not be able to give full read speed from spinning Medias, as there it allows single block reads instead of forcing reading full trackers. (this can result in lots of spin up, and spin down of the DVD, and track seeking), I know because I head to deal with this in MPlayer.

The speed you get from DVD-ROM depends on how File system is written to limit single block reads, and force caching.

To prevent some of the problems you are having you should use Directory Opus 4 or Shell.

Last edited by NutsAboutAmiga on 26-Mar-2015 at 02:28 PM.

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eliyahu 
Re: Workbench Copying Issues
Posted on 26-Mar-2015 14:57:41
#4 ]
Super Member
Joined: 3-Mar-2010
Posts: 1957
From: Waterbury, Connecticut (USA)

@bladerunner1963

this smells like a bug in workbench.library to me. i highly suggest opening a thread about it on support.amigaos.net and get feedback there. if it's a bug, they'll want to know so they can fix it.

using C:Copy in the shell shouldn't have this issue.

-- eliyahu

Last edited by eliyahu on 26-Mar-2015 at 02:58 PM.

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broadblues 
Re: Workbench Copying Issues
Posted on 26-Mar-2015 15:12:30
#5 ]
Amiga Developer Team
Joined: 20-Jul-2004
Posts: 4446
From: Portsmouth England

@bladerunner1963

Quote:

I mounted a DVD that contains over 5,000 files in one directory. Attempting to open that directory in a Workbench window resulted in a clock busy pointer that I gave up on after 20 minutes.


That's an insane number of files to scan for def cons type and then display, especially from a slow DVD.

Even listing in something like filer will take a while.

Use the shell for manipulating that quanity of data.

I don;t think there is any limit but more will obviously slow things down.

I dragged a 1000 icons to drop onto an appliaction the other day, for atest, it worked icon renevering but was very slow.

The fact that the message box didn't go till you removed the DVD suggest a possible read error on the disk. What exactly was the error message?

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KimmoK 
Re: Workbench Copying Issues
Posted on 26-Mar-2015 15:18:54
#6 ]
Elite Member
Joined: 14-Mar-2003
Posts: 5211
From: Ylikiiminki, Finland

@bladerunner1963

What AmigaOS variant was/is used?

I recall that long time ago I enjoyed the speed of AOS3.1+SFS in handling folders with thousands of files.
(for me it worked faster than the windows setups at work)
But then I found some limitation, but I do not remember what it was exactly.

Last edited by KimmoK on 26-Mar-2015 at 03:19 PM.

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// For freedom, for honor, for AMIGA
//
// Thing that I should find more time for: CC64 - 64bit Community Computer?

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bladerunner1963 
Re: Workbench Copying Issues
Posted on 26-Mar-2015 19:18:45
#7 ]
Member
Joined: 22-Jan-2015
Posts: 44
From: Baltimore MD

@KimmoK

I know that it is a ton of files in the directory. I'm not the one that setup the DVD.

I will say this: My Macintosh has zero issues displaying all the files, copying them etc. So I don't think there is any problem with the DVD....it's the Workbench.

Too bad really. It should be able to do this without any issues. IMHO of course.

jb

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pavlor 
Re: Workbench Copying Issues
Posted on 26-Mar-2015 19:29:25
#8 ]
Elite Member
Joined: 10-Jul-2005
Posts: 9578
From: Unknown

@bladerunner1963

Quote:
It should be able to do this without any issues.


Exactly!

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sundown 
Re: Workbench Copying Issues
Posted on 26-Mar-2015 20:09:18
#9 ]
Elite Member
Joined: 30-Aug-2003
Posts: 5120
From: Right here...

From my recent experience...

I decided to make backups of my system, I have a spare 500GB usb HD to use for this. The drive was fat32 formatted, my system copy was going well till it started to copy sys:prefs/presets/tbimages, which has 5400 small files (aiss). I noticed the copy would come to a halt for seconds before the copy would start again. The system copy took about 20 mins in all, way too long. I then formated the HD with RGB & SFS. Those 5400 files copied over very quick after that. Not sure why a fat32 format would cause the copy to halt like it did, but maybe its doing the same thing from the CD. Amiga formatting the usb drive allowed me to make all my backups much quicker then on a fat drive, I have no need to transfer files to a PC or Mac.

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bladerunner1963 
Re: Workbench Copying Issues
Posted on 26-Mar-2015 20:32:18
#10 ]
Member
Joined: 22-Jan-2015
Posts: 44
From: Baltimore MD

@sundown

Interesting report. I had the exact same problem trying to backup my SYS partition to a 4gb CF card. As soon as it hit that directory things came to a grinding halt and never finished.

I never connected that it could be the number of files in a directory until now. Thanks!

jb

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sundown 
Re: Workbench Copying Issues
Posted on 26-Mar-2015 20:59:09
#11 ]
Elite Member
Joined: 30-Aug-2003
Posts: 5120
From: Right here...

@bladerunner1963

Quote:
I never connected that it could be the number of files in a directory until now.

Please don't take that as a restriction, I don't belive it is, it seems to be more of a FS issue with fat32.

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bladerunner1963 
Re: Workbench Copying Issues
Posted on 27-Mar-2015 10:10:16
#12 ]
Member
Joined: 22-Jan-2015
Posts: 44
From: Baltimore MD

@sundown

Interesting report. I had the exact same problem trying to backup my SYS partition to a 4gb CF card. As soon as it hit that directory things came to a grinding halt and never finished.

I never connected that it could be the number of files in a directory until now. Thanks!

jb

_________________
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Develin 
Re: Workbench Copying Issues
Posted on 27-Mar-2015 11:45:19
#13 ]
Regular Member
Joined: 16-Mar-2006
Posts: 443
From: Karlstad, Sweden

@bladerunner1963

This is why the first thing I do on a newly installed system is to replace WB with Magellan. The file handling under WB is horrible slow, dunno why this still is an issue but I assume that WB havn't had some real work done since many decades now.

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pavlor 
Re: Workbench Copying Issues
Posted on 27-Mar-2015 15:17:21
#14 ]
Elite Member
Joined: 10-Jul-2005
Posts: 9578
From: Unknown

@Develin

For most copy operations WB is OK. However, I rather used Shell to copy entire 20 GB Work: partition to bigger HDD.

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Tuxedo 
Re: Workbench Copying Issues
Posted on 27-Mar-2015 15:43:44
#15 ]
Elite Member
Joined: 28-Nov-2003
Posts: 2341
From: Perugia, ITALY

@pavlor

Or Dopus ;)

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Ned 
Re: Workbench Copying Issues
Posted on 27-Mar-2015 19:44:50
#16 ]
Cult Member
Joined: 10-Dec-2003
Posts: 500
From: Arlington, Texas USA

@bladerunner1963

I guess you might call me paranoid, but I perform a full back up backup of my uA1c every night. I have an ARexx script which first does a quick format on a partition on one of my removable hard drives and then using the ARexx address command copies each of the 6 of the partitions on my boot disk to the just formatted partition. In general this works flawlessly for me. I don't really know how may files this involves, but the backup I did last night copied about 19 GB of stuff. FYI this process usually takes about 10 hours or so which is why I do it overnight.


Ned

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MichaelMerkel 
Re: Workbench Copying Issues
Posted on 27-Mar-2015 20:00:12
#17 ]
Cult Member
Joined: 9-Mar-2003
Posts: 819
From: Ilvesheim, Germany

@Ned

Quote:

Ned wrote:
@bladerunner1963

I guess you might call me paranoid, but I perform a full back up backup of my uA1c every night. I have an ARexx script which first does a quick format on a partition on one of my removable hard drives and then using the ARexx address command copies each of the 6 of the partitions on my boot disk to the just formatted partition. In general this works flawlessly for me. I don't really know how may files this involves, but the backup I did last night copied about 19 GB of stuff. FYI this process usually takes about 10 hours or so which is why I do it overnight.


wow! did you ever check the great backup tool?!
instead of formatting the disk every(!) night this would speed up things dramatically.
just call it via your script as a dos command instead of the copy command (and some parameters).

regards...
michael

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