ADSM-L

Re: long term archive storage

2000-05-18 00:33:00
Subject: Re: long term archive storage
From: Tab Trepagnier <Tab.Trepagnier AT LAITRAM DOT COM>
To: ADSM-L AT VM.MARIST DOT EDU <ADSM-L AT VM.MARIST DOT EDU>
Date: 18 May 2000 0:33
>We use a combination of backups and archives in this manner:
>
>Normally we just run backups - five version retention for user-created
files
>(less for apps and system files).  This is every night.
>
>Once per week, we archive SELECTED directories and machines that contain
>volatile, high-value design files such as engineering drawings, etc.
>
>Normally we retain archives for five weeks.  But during the first full week
of
>each month, we take "permanent" archives of those directories.
>
>Yes, that causes the system to grow unbounded, but I can delete archive
>filespaces if one is no longer needed, and because we select what gets
archived
>(about 1% of the total server storage) the growth is manageable.
>
>Tab
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>"Mr. Lindsay Morris" <lmorris AT OPENMIC DOT COM> on 05/17/2000 08:42:22 AM
>
>Please respond to "ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU>
>
>To:   ADSM-L AT VM.MARIST DOT EDU
>cc:    (bcc: Tab Trepagnier/Corporation/Laitram/US)
>Subject:  Re: long term archive storage
>
>
>
>
>Each object adds about 600 bytes to the ADSM database.
>
>Discuss your user needs.  Why archive stuff every day? Maybe that's valid,
>maybe not....
>
>Do they understand the incremental forever algorithm, and retention
settings?
>
>If they're archiving many many files, then you use 600 bytes * (many many)
of
>DB space every day.  I guess you could gzip them all into one big file and
>just archive that....
>
>Georgia Blair wrote:
>
>> We have a user that archives files on a daily basis. Many are kept for 7
>> years. In all we have archived 5 terabytes for this one node. Can someone
>> tell me how this affects the size of the ADSM database and any idea how
to
>> better manage this much data. The current size of our database is 28gig,
>> currently utilized at 92%. I have deleted all old filespaces.
>>
>> Thanks,
>> georgia.blair AT usaa DOT com
>>
>> Georgia Blair
>> Storage Management
>> 913-5698
>
>--
>Mr. Lindsay Morris
>Certified: AIX,ADSM, TSM, HACMP,SP
>Gresham Enterprise Storage
>lmorris AT openmic DOT com
>606-253-8000
>
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