dbsrv11.exe - Windows Mobile Log files

I have a Windows Mobile implementation where I run the
dbsrv11 on the WM device. In my db directory I have the
following files.

mydb.db
mydb.log
110106AA.log
110106AC.log

What are the 110106* files?
Is this the download stream that the db applies after a
sync?
Are these files safe to delete?

I seem to get more of these after a failed sync?

Thanks,
Phil.
0
Phil
1/11/2011 8:03:28 PM
sybase.sqlanywhere.general 32637 articles. 4 followers. Follow

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Those are renamed transaction logs. Think of them as
a repository of operations that have not been confirmed
to have uploaded.   [I am assuming you are running
dbmlsync with the -x to create those.]

No these are not safe to be deleted manually.  Get the
       DELETE_OLD_LOGS
option set up to handle these for you.   [it may already
be set to a 'n days' value]
   http://dcx.sybase.com/index.html#1101en/dbadmin_en11/delete-old-logs-option.html*d5e29781

Failed syncs are the **biggest** reason one should never
just delete these.  These are occasions where the system
will definitely require access to those files again (and again....
as long as it takes to start synching again).

Log files get deleted by dbmlsync in coordination with
the database server, and it is controlled by the confirmed
uploaded offsets the Mobilink server will (evenutally)
supply on the next successful sync.  It is not uncommon
to have 2 or more such files depending upon your
situation and current design and settings.

"Phil." wrote in message news:4d2cb790.89d.1681692777@sybase.com...
>I have a Windows Mobile implementation where I run the
> dbsrv11 on the WM device. In my db directory I have the
> following files.
>
> mydb.db
> mydb.log
> 110106AA.log
> 110106AC.log
>
> What are the 110106* files?
> Is this the download stream that the db applies after a
> sync?
> Are these files safe to delete?
>
> I seem to get more of these after a failed sync?
>
> Thanks,
> Phil. 

0
Nick
1/11/2011 10:30:45 PM
I am running dbmlsync with -x. And I am using
SET OPTION DELETE_OLD_LOGS = ON

So after a successful sync I should expect to see these file
get removed automatically?

> Those are renamed transaction logs. Think of them as
> a repository of operations that have not been confirmed
> to have uploaded.   [I am assuming you are running
> dbmlsync with the -x to create those.]
>
> No these are not safe to be deleted manually.  Get the
>        DELETE_OLD_LOGS
> option set up to handle these for you.   [it may already
> be set to a 'n days' value]
>
>
http://dcx.sybase.com/index.html#1101en/dbadmin_en11/delete-old-logs-option.html*d5e29781
>
> Failed syncs are the **biggest** reason one should never
> just delete these.  These are occasions where the system
> will definitely require access to those files again (and
> again.... as long as it takes to start synching again).
>
> Log files get deleted by dbmlsync in coordination with
> the database server, and it is controlled by the confirmed
> uploaded offsets the Mobilink server will (evenutally)
> supply on the next successful sync.  It is not uncommon
> to have 2 or more such files depending upon your
> situation and current design and settings.
>
> "Phil." wrote in message
> news:4d2cb790.89d.1681692777@sybase.com... >I have a
> > Windows Mobile implementation where I run the dbsrv11 on
> > the WM device. In my db directory I have the following
> files. >
> > mydb.db
> > mydb.log
> > 110106AA.log
> > 110106AC.log
> >
> > What are the 110106* files?
> > Is this the download stream that the db applies after a
> > sync?
> > Are these files safe to delete?
> >
> > I seem to get more of these after a failed sync?
> >
> > Thanks,
> > Phil.
>
0
Phil
1/12/2011 12:56:59 PM
> So after a successful sync I should expect to see these file
> get removed automatically?

Correct!  Eventually.

Once the dbmlsync utility becomes aware of that fact, old logs that
predate the SyncTrunc property offset [and the number of days
specified in the option - if you switch to that usage] should be removed;
provided you have not moved them to a different location
or, if you have, have not pointed to their location via the
transaction-logs-directory parameter on the dbmlsync cmdline.

Of course the delete cannot happen if other technologies
that require those logs have not caught up.  In the case of
Windows Mobile that 'other' may be SQL Remote; which
can be determined from the RemoteTrunc property.

It is not uncommon to see up to 2 of them at any time under normal
operating conditions; download acknowledgements are a contributing
factor to that.

"Phil." wrote in message news:4d2da51b.3f6c.1681692777@sybase.com...
>I am running dbmlsync with -x. And I am using
> SET OPTION DELETE_OLD_LOGS = ON
>
> So after a successful sync I should expect to see these file
> get removed automatically?
>
>> Those are renamed transaction logs. Think of them as
>> a repository of operations that have not been confirmed
>> to have uploaded.   [I am assuming you are running
>> dbmlsync with the -x to create those.]
>>
>> No these are not safe to be deleted manually.  Get the
>>        DELETE_OLD_LOGS
>> option set up to handle these for you.   [it may already
>> be set to a 'n days' value]
>>
>>
> http://dcx.sybase.com/index.html#1101en/dbadmin_en11/delete-old-logs-option.html*d5e29781
>>
>> Failed syncs are the **biggest** reason one should never
>> just delete these.  These are occasions where the system
>> will definitely require access to those files again (and
>> again.... as long as it takes to start synching again).
>>
>> Log files get deleted by dbmlsync in coordination with
>> the database server, and it is controlled by the confirmed
>> uploaded offsets the Mobilink server will (evenutally)
>> supply on the next successful sync.  It is not uncommon
>> to have 2 or more such files depending upon your
>> situation and current design and settings.
>>
>> "Phil." wrote in message
>> news:4d2cb790.89d.1681692777@sybase.com... >I have a
>> > Windows Mobile implementation where I run the dbsrv11 on
>> > the WM device. In my db directory I have the following
>> files. >
>> > mydb.db
>> > mydb.log
>> > 110106AA.log
>> > 110106AC.log
>> >
>> > What are the 110106* files?
>> > Is this the download stream that the db applies after a
>> > sync?
>> > Are these files safe to delete?
>> >
>> > I seem to get more of these after a failed sync?
>> >
>> > Thanks,
>> > Phil.
>> 

0
Nick
1/12/2011 5:29:26 PM
Reply:

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