Re: [Burp-users] VSS is not crap after all

[Sigurður J. <sig...@ba...>]

It's crashing for TSM, and it probably space related. VSS takes a 
certain percentage of the disk for its snapshots. Talking to the Windows 
admins here, it seems your'e right about the space constraints. So the 
remedy is to enlarge the disks but customers dont want to pay for extra 
storage when there's still some available. Not a good situation. We need 
a policy that a windows 2008 server 64 bits for example is minimum 40 GB 
and even bigger with SQL (probably around 60-70GB total). So I am mostly 
venting out my frustration with TSM. Thanks for the info, I'll look into 
this further.

--

Bestu kveðjur/Best regards,

Sigurður Jónsson
Basis ehf
Síðumúla 32
108 Reykjavík
http://www.basis.is
+354-5750407

On 09/26/2011 08:31 AM, Graham Keeling wrote:
> On Sun, Sep 25, 2011 at 09:09:08PM +0000, Sigurður Jónsson wrote:
>> Hi there,
>> I am pretty dissapointed your'e using VSS or Volume Shadow Copy service
>> for windows backups. It is a piece of sh.. TSM uses it too and one of my
>> duties is being an TSM administrator. VSS crashes all the time, 1 of
>> every 2 instances the service is dead when a backup is failing. I think
>> you should consider creating a backup agent of some sort like Bacula has
>> instead of using VSS. I personally hate it with a passion.
>>
>> Bestu kveðjur/Best regards,
>>
>> Sigurður Jónsson
>> Basis ehf
>> Síðumúla 28
>> 108 Reykjavík
>> http://www.basis.is
>> +354-5750407
> I'm sorry you are disappointed. But you seem to be labouring under some
> misapprehensions here.
>
> a) VSS is actually the best way there is to do Windows backups. If there is
> a better way, please enlighten me.
> b) The bacula agent uses VSS to do its Windows backups.
> c) The VSS code that burp uses is 99% identical to the VSS code that bacula
> uses.
>
> Burp actually started as a fork of bacula. In fact, the original pre-release
> name of burp was "forkula". Which still has a nice ring to it, come to think
> about it.
>
> Here is the 'History' section of the burp LICENSE file:
>
> History:
> The original Bacula code was Copyright Kern Sibbald and John Walker.
> After November 2004, it became Copyright Kern Sibbald, and finally,
> the copyright was transferred to the Free Software Foundation Europe
> on 15 November 2006. The license was changed from GPLv2 to AGPLv3
> on 24 July 2010. The first version of Burp was released on 22 January
> 2011, which was an extremely cut down and tweaked version of the Bacula code.
> The intention was to cut out everything except for the Windows VSS API parts
> and to combine that with librsync to make a new backup program.
> As well as the Windows VSS API parts these things remain:
> Some of src/findlib remain.
> A fragment of src/lib/berrno.c.
> Some Makefiles and configure scripts.
> The new Burp code is Copyright Graham Keeling.
> The license for the new Burp code continues to be AGPLv3.
>
>
>
> Some questions from me:
> Is VSS crashing all the time for TSM, or is it crashing all the time for burp?
>
>
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