Bacula-users

Re: [Bacula-users] Volumes are not being recycled?

2016-02-17 19:01:42
Subject: Re: [Bacula-users] Volumes are not being recycled?
From: Kern Sibbald <kern AT sibbald DOT com>
To: Heitor Faria <heitor AT bacula.com DOT br>
Date: Thu, 18 Feb 2016 09:58:54 +1000
Hello Heitor,

One of the basic design conditions for Bacula is that as much as 
possible that goes into it officially should be understandable and 
maintainable by an average C/C++ programmer.  Once things start getting 
complicated, I slow down ...

Best regards,
Kern

On 02/18/2016 08:25 AM, Heitor Faria wrote:
> Kern,
>
> Sorry for the dumb question but could not bconsole make the values
> conversion in similar way to this shell script bytes conversion snippet
> before printing?
>
> xargs -i echo 'scale=2; {}/1073741824' | bc
>
> May it would be a more database independent approach.
>
> Regards,
> ===========================================================================
> Heitor Medrado de Faria - LPIC-III | ITIL-F |  Bacula Systems Certified
> Administrator II
> Do you need Bacula training?
> <http://bacula.us/video-classes>http://bacula.us/video-classes/
> +55 61 8268-4220
> Site: <http://bacula.us>http://bacula.us FB: heitor.faria
> ===========================================================================
>
> Enviado por TypeApp <http://www.typeapp.com/r>
>
> Em 17 de fev de 2016, em 20:05, Kern Sibbald <kern AT sibbald DOT com
> <mailto:kern AT sibbald DOT com>> escreveu:
>
>     Hello Ana (and Heitor),
>
>     Please note that at the current time, the list command is generic, and
>     thus it only knows how to print character strings that have been
>     returned by the SQL engine.  Though there may be some way to tell SQL
>     that the result we get for expiresin is a "duration" (note: very
>     different from a date such as LastWritten), I do not know how to do it.
>
>     Thus for the moment, we are limited to displaying SQL generated
>     character strings in the form that SQL gives them to us.
>
>     The main point of the new expiresin field is that it is not zero, the
>     retention period has not expired.  If it is a big positive number
>     (number of seconds remaining before the volume expires), then the Volume
>     will not be recycled.
>
>     Many people forget that the retention period *begins* from the
>     LastWritten time, which means that as long as you are writing on the
>     Volume, nothing will be expired.  Maybe devoting a bit of thought to
>     that particular point, and what would happen if we changed it, would
>     make retention periods easier to understand.
>
>     Best regards,
>     Kern
>
>     On 02/16/2016 07:19 PM, Ana Emília M. Arruda wrote:
>
>         Hello Kern and Heitor,
>
>         I can see the ExpiresIn field in Bacula 7.4.0 version.
>         Maybe the ExpiresIn value could be more useful if displayed in
>         the same
>         format as the LastWritten field.
>
>         Best regards,
>         Ana
>
>         On Tue, Feb 16, 2016 at 2:46 AM, Heitor Faria <heitor AT bacula.com 
> DOT br
>         <mailto:heitor AT bacula.com DOT br>> wrote:
>
>                     Recently I got tired of doing the mental gymnastics
>                     to see when Volumes
>                     will expire and with Eric's SQL help, we modified
>                     the list (and llist)
>                     media output to eliminate one or two of the columns
>                     in the case of list
>                     media, but to add an "expiresin" field, which makes
>                     it much easier to
>                     see when a volume will expire.
>
>                     This code has been in the public git repository in
>                     Branch-7.4 along with
>                     a number of bug fixes since the 7.4.0 release. If
>                     you are interested in
>                     simplifying the Volume expiration mind gymnastics
>                     you might checkout and
>                     try the new code.
>
>                     By the way, I thought that the above feature was
>                     added after the 7.4.0
>                     release, but according to what I see in the repo,
>                     much to my surprise it
>                     should also be in the released 7.4.0 version.
>
>                     I would be interested in any feedback.
>
>
>                 Hello, Kern: this feature is great and I'm thankful for
>                 it, but is there a way
>                 to make information human readable?
>
>
>             What do you mean?
>
>             Please show me what you currently see and what you prefer to
>             see.
>
>
>         Hello, Kern: sorry for being laconic.
>         When I mean "human readable" is in the sense of ls, df and other
>         Linux commands:
>
>         "-h, --human-readable
>         print sizes in human readable format (e.g., 1K 234M 2G)"
>
>         *What I see today:*
>
>         *list media pool=File
>         
> +---------+------------+-----------+---------+---------------+----------+--------------+---------+------+-----------+-----------+---------------------+------------+
>         | MediaId | VolumeName | VolStatus | Enabled | VolBytes |
>         VolFiles | VolRetention | Recycle | Slot | InChanger | MediaType |
>         LastWritten | ExpiresIn |
>         
> +---------+------------+-----------+---------+---------------+----------+--------------+---------+------+-----------+-----------+---------------------+------------+
>         | 1 | Vol-0001 | Error | 1 | 1,286,119,412 |
>         0 | 31,536,000 | 1 | 0 | 0 | File1 |
>         2015-10-21 23:57:35 | 21,428,702 |
>         
> +---------+------------+-----------+---------+---------------+----------+--------------+---------+------+-----------+-----------+---------------------+------------+
>
>         *What I think would make the user life easier:*
>
>         *list media pool=File human
>         
> +---------+------------+-----------+---------+----------+----------+--------------+---------+------+-----------+-----------+---------------------+------------+
>         | MediaId | VolumeName | VolStatus | Enabled | VolBytes | VolFiles |
>         VolRetention | Recycle | Slot | InChanger | MediaType | LastWritten
>         | ExpiresIn |
>         
> +---------+------------+-----------+---------+---------------+----------+--------------+---------+------+-----------+-----------+---------------------+------------+
>         | 1 | Vol-0001 | Error | 1 | 1,29 GB | 0
>         | 31,536,000 | 1 | 0 | 0 | File1 | 2015-10-21
>         23:57:35 | 248 days |
>         
> +---------+------------+-----------+---------+----------+----------+--------------+---------+------+-----------+-----------+---------------------+------------+
>
>             Best regards,
>             Kern
>
>
>         Regards,
>         --
>         
> ------------------------------------------------------------------------
>
>         Heitor Medrado de Faria - LPIC-III | ITIL-F | Bacula Systems
>         Certified Administrator II
>         Do you need Bacula training? http://bacula.us/video-classes/
>         +55 61 8268-4220 <tel:%2B55%2061%208268-4220>
>         Site: http://bacula.us FB: heitor.faria
>         
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>
>         
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