Netware 5 Server very slow and hanging periodically

I need help with a slow Netware 5 server.
I recently recovered the Server from a power failure that corrupted the Directory Service. The DS could not be repaired nor accessed. I had to forcefully remove to re-install it.  We recreated user accounts, printer queues,  etc.  All seemed okay for a day or so.
ARCServeIT 6.6 was remarked out of Autoexec.ncf because the module was failing to load due to a "cannot access" a "pfc.tmp" file in the ArcserveIT folder (This was before the DS re-install).  I removed (maybe not a good idea) the file.  Arcserve was re-installed.  After what seemed like a few hours, the system slowed to a crawl and occasionally hangs for upto 5 mins at a time.  
Using AdRem Server Manager 6.0, I tried to monitor the server. Whenever the server hangs, my connection to the server dies. After I finaly reconnects, no clue is seen as to why it hung (maybe I do not know how to find out why). CPU utilization is mostly around 3% with occassional spikes to 40%.
Memory utilization is mostly 46-50%.
Is there a log file somewhere to give some clues why it is hanging?
Also, even when I unload ArcserveIT (astop6), no difference, still slow and hanging.  Do I need to uninstall to be sure this is not the source of the problem?
Any other ideas to help find the source of problem?
Ade_CTAsked:
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ShineOnConnect With a Mentor Commented:
There are two types of not-in-active-use space: free space and purgeable space.  Together, they make "available" space.  Compression also screws up that number.

NetWare doesn't really store the deleted files in compressed folders.  It simply doesn't really delete the files - it changes the pointer to the file to "deleted" with date/time stamp and user ID that deleted it, so it appears not to exist unless you want to "salvage" a deleted file.

Unless a volume or directory is set to purge immediate, or is not configured to allow salvage (the default is salvage is on) every file will not be removed from the volume until a) the space is needed by something else, b) you run a "purge" process or c) you run the volume full past its free space threshold.  

When you hit a) or c) the server automatically starts purging files, in FIFO order.

Another thing that affects how different things display available/free space is NSS shared pools.  If you have a shared pool that has two volumes on it, it shows the available space on the pool as available on both volumes.  It is actually shared free space that is showing, so you can get the impression that you have twice the free space you really have.
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Ade_CTAuthor Commented:
Server is a Dell with Mirrored SCSI drives.   If this helps to improve the background info
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ShineOnCommented:
I don't know if NetWare 5x has a health log like NetWare 6x does.  I haven't worked with 5 for several years.  If it does, it would be in SYS:SYSTEM and would be called HEALTH.LOG.

It logs when processes hit a warning threshold and when they exceed the limit threshold, and when they go back to "normal."
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Ade_CTAuthor Commented:
Here is another observation that is puzzling to my Netware novice mind: Adrem is reporting the 10 GB DATA volume to be 93% full.  However, MONITOR is reporting the same volume to be 28% full.
Adrem is allocating 4.4GB of the Volume as "Salvagable", not free.  What does this mean?
Help!!
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rindiConnect With a Mentor Commented:
Netware stores data that is deleted in compressed folders. That data is recoverable and therefore "Salvageable". Check the following link to "Purge" what you don't need to recover anymore:

http://www.novell.com/documentation/nw51/index.html?page=/documentation/nw51/trad_enu/data/hcf06ezo.html
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Ade_CTAuthor Commented:
Thanks for your responses.  
I did a search of the SYS volume, there was no health.log file.  DSMISC.log is the only file in sys:systems\ folder with today's time stamp.  The file had no errors. Any other possible ideas on where/what to look for to norrow down the reason(s) for  the server hangs?
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