issues syncing between one host and another

Thu Sep 5 07:37:59 CEST 2013

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The backup you just made to the current pointer you will readlink on
the next run.

On 09/05/13 01:36, Jonathan Aquilina wrote:
> Understood, What do i need to sym link together?
> 
> 
> On Thu, Sep 5, 2013 at 7:34 AM, Kevin Korb <kmk at sanitarium.net 
> <mailto:kmk at sanitarium.net>> wrote:
> 
> The symlink is only a pointer so that you can readlink it on the
> next run to determine what to use as your --link-dest parameter.
> It is simply a pointer to the latest directory.
> 
> Deleting old stuff is a different concept.  You have a list of 
> directories with dates and times in the names.  A simple ls will
> list them in order.  Any scripting language will have the ability
> to sort a list of file names.  So, you make a sorted list then
> delete however many you have that are more than the number of them
> you want starting with the oldest.  The current symlink is only
> pointing to the newest so it would only matter in the deletions if
> you are deleting all of the backups.
> 
> On 09/05/13 01:08, Jonathan Aquilina wrote:
>> So if i basically sym link the empty backup with the sym link
>> loop to the current directory it should fix the issue? what would
>> happen though if i want to remove the oldest directory which was
>> synced after 7 days would i have issues then like i am
>> experiencing now?
> 
> 
>> On Thu, Sep 5, 2013 at 7:06 AM, Kevin Korb <kmk at sanitarium.net
> <mailto:kmk at sanitarium.net>
>> <mailto:kmk at sanitarium.net <mailto:kmk at sanitarium.net>>> wrote:
> 
>> The .current symlink is a pointer to the current backup.  It 
>> should always be from the backup you just made to the fixed 
>> location of the path you are using readlink on.
> 
>> On 09/05/13 01:04, Jonathan Aquilina wrote:
>>> How would i need to create the sym link and to what?
> 
> 
>>> On Thu, Sep 5, 2013 at 7:03 AM, Kevin Korb <kmk at sanitarium.net
> <mailto:kmk at sanitarium.net>
>> <mailto:kmk at sanitarium.net <mailto:kmk at sanitarium.net>>
>>> <mailto:kmk at sanitarium.net <mailto:kmk at sanitarium.net>
> <mailto:kmk at sanitarium.net <mailto:kmk at sanitarium.net>>>> wrote:
> 
>>> No, it is linking the new target to the previous link-dest
> 
>>> On 09/05/13 01:02, Jonathan Aquilina wrote:
>>>> Doesnt my script already do that at the very end?
> 
> 
>>>> On Thu, Sep 5, 2013 at 7:00 AM, Kevin Korb
>>>> <kmk at sanitarium.net
> <mailto:kmk at sanitarium.net>
>> <mailto:kmk at sanitarium.net <mailto:kmk at sanitarium.net>>
>>> <mailto:kmk at sanitarium.net <mailto:kmk at sanitarium.net>
> <mailto:kmk at sanitarium.net <mailto:kmk at sanitarium.net>>>
>>>> <mailto:kmk at sanitarium.net <mailto:kmk at sanitarium.net>
> <mailto:kmk at sanitarium.net <mailto:kmk at sanitarium.net>>
>> <mailto:kmk at sanitarium.net <mailto:kmk at sanitarium.net>
> <mailto:kmk at sanitarium.net <mailto:kmk at sanitarium.net>>>>> wrote:
> 
>>>> Ahh, I missed looking at the ln command.  You are supposed
>>>> to be linking the backup you just made to .current.  So,
> 
>>>> ssh $user@$remotehost ln -sf $remotedir 
>>>> /home/aquj001/recievingDir.current
> 
>>>> On 09/05/13 00:54, Jonathan Aquilina wrote:
>>>>> Hey Kevin
> 
>>>>> The path works as it is after i recreated the .current 
>>>>> directory but im still having the issue of a directory on 
>>>>> the remote being created with too many symbolic links in
>>>>> it and no files.
> 
> 
>>>>> On Wed, Sep 4, 2013 at 8:27 PM, Kevin Korb 
>>>>> <kmk at sanitarium.net <mailto:kmk at sanitarium.net>
>> <mailto:kmk at sanitarium.net <mailto:kmk at sanitarium.net>>
>>> <mailto:kmk at sanitarium.net <mailto:kmk at sanitarium.net>
> <mailto:kmk at sanitarium.net <mailto:kmk at sanitarium.net>>>
>>>> <mailto:kmk at sanitarium.net <mailto:kmk at sanitarium.net>
> <mailto:kmk at sanitarium.net <mailto:kmk at sanitarium.net>>
>> <mailto:kmk at sanitarium.net <mailto:kmk at sanitarium.net>
> <mailto:kmk at sanitarium.net <mailto:kmk at sanitarium.net>>>>
>>>>> <mailto:kmk at sanitarium.net <mailto:kmk at sanitarium.net>
> <mailto:kmk at sanitarium.net <mailto:kmk at sanitarium.net>>
>> <mailto:kmk at sanitarium.net <mailto:kmk at sanitarium.net>
> <mailto:kmk at sanitarium.net <mailto:kmk at sanitarium.net>>>
>>> <mailto:kmk at sanitarium.net <mailto:kmk at sanitarium.net>
> <mailto:kmk at sanitarium.net <mailto:kmk at sanitarium.net>>
>> <mailto:kmk at sanitarium.net <mailto:kmk at sanitarium.net>
> <mailto:kmk at sanitarium.net <mailto:kmk at sanitarium.net>>>>>> wrote:
> 
>>>>>> linkdest=$(ssh $user@$remotehost
>>>>>> /usr/linux/bin/readlink/
>>>>> /home/aquj001/recievingDir.current)
> 
>>>>> There probably shouldn't be a trailing / on the readlink 
>>>>> command.
> 
>>>>> If that doesn't settle it is the path in the error message 
>>>>> the target or the link-dest?
> 
>>>>> If it is the target try sending a mkdir first.
> 
>>>>> On 09/04/13 09:56, Jonathan Aquilina wrote:
>>>>>> I have the following script that I am working on
> 
>>>>>> #!/bin/bash
> 
>>>>>> date=$(date +%F--%T)
> 
>>>>>> #ssh parameters user=aquj001 remotehost=qa4app
> 
>>>>>> localdir=/home/aquj001/INFENG/scripts 
>>>>>> remotedir=/home/aquj001/recievingDir.$date
> 
>>>>>> linkdest=$(ssh $user@$remotehost
>>>>>> /usr/linux/bin/readlink/ 
>>>>>> /home/aquj001/recievingDir.current)
> 
>>>>>> rsync -a --compress  --link-dest=$linkdest 
>>>>>> --out-format='%i %n%L %l %M' --omit-dir-times
>>>>>> "$localdir" "$user@$remotehost:$remotedir" ssh
>>>>>> $user@$remotehost /bin/rm -f
>>>>>> /home/aquj001/recievingDir.current ssh $user@$remotehost
>>>>>> ln -sf $remotedir $linkdest
> 
>>>>>> now the issue becomes when i run it, I get the following 
>>>>>> errors.
> 
>>>>>> rsync: change_dir#4 
>>>>>> "/home/aquj001/recievingDir.2013-09-04--15:53:16"
>>>>>> failed: No such file or directory (2) rsync error:
>>>>>> errors selecting input/output files, dirs (code 3) at
>>>>>> main.c(877) [receiver=3.0.6] rsync: connection
>>>>>> unexpectedly closed (9 bytes received so far) [sender]
>>>>>> rsync error: error in rsync protocol data stream (code
>>>>>> 12) at io.c(600) [sender=3.0.6]
> 
>>>>>> It still creates the directory on the remote machine but 
>>>>>> its empty and nothing but sym links. Any ideas as to
>>>>>> what th eissue is would be greatly appreciated.
> 
>>>>>> This is on an AIX 6.1 system installed from the aix 
>>>>>> toolbox package.
> 
> 
>>>>>> -- Jonathan Aquilina
> 
> 
> 
>>>>> -- Please use reply-all for most replies to avoid omitting 
>>>>> the mailing list. To unsubscribe or change options: 
>>>>> https://lists.samba.org/mailman/listinfo/rsync Before 
>>>>> posting, read: 
>>>>> http://www.catb.org/~esr/faqs/smart-questions.html
> 
> 
> 
> 
>>>>> -- Jonathan Aquilina
> 
> 
> 
> 
> 
>>>> -- Jonathan Aquilina
> 
> 
> 
> 
> 
>>> -- Jonathan Aquilina
> 
> 
> 
> 
> 
>> -- Jonathan Aquilina
> 
> 
> 
> 
> 
> -- Jonathan Aquilina

- -- 
~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~
	Kevin Korb			Phone:    (407) 252-6853
	Systems Administrator		Internet:
	FutureQuest, Inc.		Kevin at FutureQuest.net  (work)
	Orlando, Florida		kmk at sanitarium.net (personal)
	Web page:			http://www.sanitarium.net/
	PGP public key available on web site.
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