Hi All,
I wish to save space on my tapes by changing backup levels in my
"Monthly" Schedule resource.
My current "Monthly" Schedule resource is:
Schedule {
Name = "Monthly"
Run = Level=Full Pool=Monthly 1st fri at 23:05
Run = Level=Full Pool=Weekly 2nd-5th fri at 23:05
Run = Level=Differential Pool=Weekly sat-thu at 23:05
}
I wish to change the aforementioned resource to:
Schedule {
Name = "Monthly"
Run = Level=Full Pool=Monthly 1st fri at 23:05
Run = Level=Differential Pool=Weekly 2nd-5th fri at 23:05
Run = Level=Incremental Pool=Daily sat-thu at 23:05
}
Btw, with my proposed changes to the backup levels, I plan to use the
following Volume Retention times while having "Recycle = yes" and
"AutoPrune = yes" :
Monthly = 372 days
Weekly = 37 days
Daily = 14 days
Do the proposed Schedule and Volume Retention times seem reasonable? I
added 7 days to each time as a fudge-factor. Any critiques and/or advice
is welcome.
Also, I have read that Bacula will not backup files that have a ctime
less than the last backup (of any level, i.e. Full, Differential,
Incremental). Is that still true with Bacula 2.0.1? If so, is there
anyway to circumvent this? Basically, will changing the 2nd, 3rd, 4th,
and 5th Friday backups from Full to Differentials put my data at more of
a risk if my users perform moves and untars? I feel that if I tell my
users (one of which is my boss) to touch all files/dirs after a move or
untar, he will then tell me to go get a quote for some new backup
software. This is not an option for me as I am a bigtime open-source
evangelist, and Bacula has served me well thus far. Please advise.
Thx,
Mike
Kern Sibbald wrote:
> On Friday 03 November 2006 11:27, Jaap Stolk wrote:
>
>> On 11/3/06, Jaap Stolk <[EMAIL PROTECTED]> wrote:
>>
>>> I was wondering if i could do without the differential backups
>>>
> altogether ?
>
>> (in reply to my own post)
>> I did some more reading and found that the differential backup only
>> looks at the file date/time, exactly like the incremental backup. so
>> this is no reason to use a differential backup.
>>
>
> Except that doing Differential backups allows you to restore faster and to
> recycle your Incremental backups faster.
>
>
>> The other thing is a differential backup would reduce the number of
>> incremental backups i need to scan when restoring files, but since i
>> backup to a file this doesn't involve manual tape changes, so this is
>> also not a problem in my case.
>>
>> I think i can detect files that are missed in the incremental backup
>> (because of an old file timestamp) using a verify job, and either
>> manual or automatically touch these files, so they will be backed up
>> in the next incremental backup.
>>
>
> That's an interesting idea ...
>
>
>> so i have no further questions, unless someone sees a bog problem in my
>>
> setup.
>
>> Kind regards,
>> Jaap Stolk
>>
>> -------------------------------------------------------------------------
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>
> -------------------------------------------------------------------------
> Using Tomcat but need to do more? Need to support web services, security?
> Get stuff done quickly with pre-integrated technology to make your job easier
> Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
> http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
> _______________________________________________
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