Hello Martin,

Monday, January 16, 2006, 9:51:01 PM, you wrote:

> In the recent Voyager (and the last one as well) I am not able to move
> messages from one folder to an other - or better to say - it takes
> about more than one minute - the LED on the USB fleshes and after a
> minute or so the message is transferred...

> Same speed problems I found with re-filter a folder...

yes, flashdrive operations can be quite time-consuming when fairly big
file operations are performed.

particularly, this depends on the following:

1. is the flashdrive's filesystem usage optimisation policy set to
"for quick removal" or "for performance"? the latter one leads to
a bigger writeback buffer. the first one is the default.

2. the underlying filesystem a compressed NTFS or not? if yes, this is
fairly pointless for OTFE-type mailbase, as NTFS compression will gain
nothing over the OTF-encrypted TB data. it could make a point with a
non-OTFE mailbase, but keep in mind that NTFS will first write (and
properly flush the writeback) the uncompressed data, then re-read it,
try to compress, then eventually (if compression gives gain for that
portion of data) write the compressed data to the drive. this leads to
at least double USB traffic when writing, but has the bonus of quicker
read access (less data travels through USB due to its compressed
nature).

hence, the best options for Voyager seems to be:
1. "optimize for performance". the more RAM you have, the smoother the
work.
2. an UNCOMPRESSED mail folder - either on a non-NTFS volume, *or* NTFS
with compression DISABLED for the mailbase folder(s).


-- 
Best regards,
 vitalie                            mailto:[EMAIL PROTECTED]


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