Re: [ADSM-L] best backup method for millions of small files?
2009-04-30 01:08:07
Mehdi
I think you can use journalling.
My copy of the TSM 5.3 WindowsBackup-Archive Clients Installation and
User’s Guide has an appendix C describing how to configure the Journal
service. You also need to look at appendix B for the dsmcutil command, or
use the GUI wizard.
Regards
Steve
Steven Harris
TSM Admin, Sydney Australia
Mehdi Salehi
<iranian.aix.supp
ort AT GMAIL DOT COM>
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<[email protected] Subject
.EDU> [ADSM-L] best backup method for
millions of small files?
30/04/2009 02:28
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Please respond to
"ADSM: Dist Stor
Manager"
<[email protected]
.EDU>
Hi,
There is an NTFS filesystem in windows with 20 millions of small files less
than 20 KB each. The total size of the filesystem is less than 300GB.
I have not tried incremental backup, because that would be a nightmare.
Again, inc backup is not a good choice because the long restoration time is
not acceptable us.
I tested the snapshot image backup and satisfied with backup time. Now the
problem is how to perform the incremental for this image backup.
Unfortunately "incremental-by-date of last image" scans the whole files to
filter which files must be in the backup list and would take a tremendous
amount of time. This is not acceptable as well.
The ideal behavior that I expect from TSM is journal based incremental
backup for image which is apparently not supported by TSM 5.3.
more info:
-the change rate for this filesystem is about 20 thousands of files per day
-TSM version is 5.3
What do you recommend for this case? Please include TSM 6.1 featues if
exist.
Regards,
Mehdi Salehi
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