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Re: Create incremental snapshot
by Koushik Mitra
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Ok....
If these are hard links, then where does the index data get stored? Those must be getting stored somewhere in the file system.
Regards,
Koushik
On 18/04/09 12:35 PM, "Noble Paul നോബിള് नोब्ळ्" <noble.paul@...> wrote:
yeah ,that is right but those are hardlinks
http://linux.about.com/cs/linux101/g/hardlinks.htm
On Sat, Apr 18, 2009 at 12:20 PM, Koushik Mitra
<Koushik_Mitra@...> wrote:
> When we run the snapshooter script, it creates a snapshot folder e.g. snapshot.20090418064010 and this snapshot folder contains physical index files which take space on the file system (as shown below). Are we missing anything here?
>
> -rw-r----- 46 test test 59 Apr 17 23:26 _i.tii
> -rw-r----- 46 test test 507 Apr 17 23:26 _i.prx
> -rw-r----- 46 test test 14 Apr 17 23:26 _i.nrm
> -rw-r----- 46 test test 333 Apr 17 23:26 _i.frq
> -rw-r----- 46 test test 135 Apr 17 23:26 _i.fnm
> -rw-r----- 46 test test 12 Apr 17 23:26 _i.fdx
> -rw-r----- 46 test test 1433 Apr 17 23:26 _i.fdt
>
> Regards,
> Koushik
>
>
>
> On 18/04/09 12:17 PM, "Noble Paul നോബിള് नोब्ळ्" <noble.paul@...> wrote:
>
> the snapshooter does not really copy any files. They ar just hardlinks
> (does not consume disk space) so even a full copy is not very
> expensive
>
> On Sat, Apr 18, 2009 at 12:06 PM, Koushik Mitra
> <Koushik_Mitra@...> wrote:
>> Hi,
>>
>> We want to create snapshot incrementally.
>>
>> What we want is every time the snap shooter script runs, it should not create a snapshot with pre-existing (last snapshot indexes) + delta (newly created indexes), rather just create a snapshot with the delta (newly created indexes).
>>
>> Any references here would be highly appreciated.
>>
>> Regards,
>> Koushik
>>
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>
>
>
> --
> --Noble Paul
>
>
--
--Noble Paul
If these are hard links, then where does the index data get stored? Those must be getting stored somewhere in the file system.
Regards,
Koushik
On 18/04/09 12:35 PM, "Noble Paul നോബിള് नोब्ळ्" <noble.paul@...> wrote:
yeah ,that is right but those are hardlinks
http://linux.about.com/cs/linux101/g/hardlinks.htm
On Sat, Apr 18, 2009 at 12:20 PM, Koushik Mitra
<Koushik_Mitra@...> wrote:
> When we run the snapshooter script, it creates a snapshot folder e.g. snapshot.20090418064010 and this snapshot folder contains physical index files which take space on the file system (as shown below). Are we missing anything here?
>
> -rw-r----- 46 test test 59 Apr 17 23:26 _i.tii
> -rw-r----- 46 test test 507 Apr 17 23:26 _i.prx
> -rw-r----- 46 test test 14 Apr 17 23:26 _i.nrm
> -rw-r----- 46 test test 333 Apr 17 23:26 _i.frq
> -rw-r----- 46 test test 135 Apr 17 23:26 _i.fnm
> -rw-r----- 46 test test 12 Apr 17 23:26 _i.fdx
> -rw-r----- 46 test test 1433 Apr 17 23:26 _i.fdt
>
> Regards,
> Koushik
>
>
>
> On 18/04/09 12:17 PM, "Noble Paul നോബിള് नोब्ळ्" <noble.paul@...> wrote:
>
> the snapshooter does not really copy any files. They ar just hardlinks
> (does not consume disk space) so even a full copy is not very
> expensive
>
> On Sat, Apr 18, 2009 at 12:06 PM, Koushik Mitra
> <Koushik_Mitra@...> wrote:
>> Hi,
>>
>> We want to create snapshot incrementally.
>>
>> What we want is every time the snap shooter script runs, it should not create a snapshot with pre-existing (last snapshot indexes) + delta (newly created indexes), rather just create a snapshot with the delta (newly created indexes).
>>
>> Any references here would be highly appreciated.
>>
>> Regards,
>> Koushik
>>
>> **************** CAUTION - Disclaimer *****************
>> This e-mail contains PRIVILEGED AND CONFIDENTIAL INFORMATION intended solely
>> for the use of the addressee(s). If you are not the intended recipient, please
>> notify the sender by e-mail and delete the original message. Further, you are not
>> to copy, disclose, or distribute this e-mail or its contents to any other person and
>> any such actions are unlawful. This e-mail may contain viruses. Infosys has taken
>> every reasonable precaution to minimize this risk, but is not liable for any damage
>> you may sustain as a result of any virus in this e-mail. You should carry out your
>> own virus checks before opening the e-mail or attachment. Infosys reserves the
>> right to monitor and review the content of all messages sent to or from this e-mail
>> address. Messages sent to or from this e-mail address may be stored on the
>> Infosys e-mail system.
>> ***INFOSYS******** End of Disclaimer ********INFOSYS***
>>
>
>
>
> --
> --Noble Paul
>
>
--
--Noble Paul
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