[sanesecurity] Re: SaneSecurity rsync mirror settings request
- From: Bill Landry <bill@xxxxxxxxxxx>
- To: sanesecurity@xxxxxxxxxxxxx
- Date: Tue, 03 Mar 2009 12:17:44 -0800
Gerard wrote:
> On Tue, 03 Mar 2009 10:23:03 -0800
> Bill Landry <bill@xxxxxxxxxxx> wrote:
>
>> I currently use -rtz (not sure why you opt not to support compression
>> if allowed by the mirror host site?), and would like to add -c
>> (checksum testing) to add absolute confirmation of file change before
>> downloading, rather than relying on file size and timestamp, which
>> have proven to be unreliable.
>
> I have no idea why you are having problems with 'file size/time';
> however, I am trying to set up some easy method of monitoring it to see
> if I am experiencing it also. Specifically, what protocol are you using
> to confirm this problem?
I use diff to check whether the downloaded file is different than the
one running in production:
if [ "`diff -q $ss_dir/$db_file $clam_dbs/$db_file | awk '{print $NF}'`"
= "differ" ]
And then report and log the results.
> As far as the [-z] option, from the man page:
>
> -z, --compress
> With this option, rsync compresses the file data as it
> is sent to the destination machine, which reduces the amount
> of data being transmitted -- something that is useful over a
> slow connection.
>
> I am not sure how many users are effected by this. Maybe I will make it
> a configurable option and let the end user decide. I am updating the
> logging function, so I might as well add that to the TODO list.
>
> As far as the [-u] switch; I have never experienced a problem. If it
> ain't broke, why fix it?
>
>
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