I use staging from client --> disk --> tape on a daily basis and it works
like a charm.
First make sure that u can contain the whole save on the stage disk, or as
many saves as u wanna have on disk, to prevent interruptions for staging.
also set the max storage period to the number of days u wanna have on disk,
before they are moved to tape, whenever the disk is full or not.
I have disablet index save and run those after the groups backup is done,
and save those directly to tape, to save disk space.
you will have to fiddle with high and low watermarks to suits your needs, I
have the high at 49% to avoid the disk running full.
The whole things is run not from networkers schedule but from the servers
own with a little perl script kicking off a savegrp and then the index save
(the index save part can be found in networker journal, www.drenpress.com
**************************************************
regards
Kenneth Larsen
Steria
Tonsbakken 16-18
2740 Skovlunde
kel AT steria DOT dk - 44506261 - 26306261
**************************************************
|---------+--------------------------------->
| | Calvin Thomas |
| | <calvin.thomas@NACALOG|
| | ISTICS.COM> |
| | Sent by: Legato |
| | NetWorker discussion |
| | <NETWORKER AT LISTMAIL DOT TE|
| | MPLE.EDU> |
| | |
| | |
| | 16-10-2002 01:07 |
| | Please respond to |
| | Calvin Thomas |
| | |
|---------+--------------------------------->
>--------------------------------------------------------------------------------------------------------------|
|
|
| To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
|
| cc:
|
| Subject: [Networker] Using NSRSTAGE and a file type device (hard
drive) |
>--------------------------------------------------------------------------------------------------------------|
Has anyone worked much with this combo?
I set up Staging from the GUI, and when the file device hit 90%, our main
backup stopped, and started staging the data on the hard drive off to tape.
Unfortunately, this took 7 hours, and the backup window for the main server
was closed. This had the effect of preventing us from having a backup that
night.
Not a Good Thing. The GUI staging window is now permanently disabled. I
don't understand when Legato designed it this way.????
Now, I am currently using the following command line to stage during the
day
nsrstage -v -b 'Daily Jukebox' -m -S `mmingo -a -r ssid -q 'volume=Daily
HardDrive'`
This works well. Moves all data from the hard drive to the tape drive
during
the day, and leaves the hard drive free to accept data at night. It has
the
added benefit of one save stream on tape at a time, with no multiplexing
(on
tape).
I would like to change the above command to allow it to select the backups
from the previous night to tape, but NOT stage data from the night before.
IE, I want to keep 2 days data on the hard drive, backup the latest data to
tape, and then delete the 2 day old data from the hard drive before the
next
backup (Whew!!!)
This will take 2 commands.
1. Command to stage only data in the last 24 hours to tape (minus the -m to
migrate above),
2. And one to clean up the 2 day old data before the beginning of the next
backup, without deleteing the 1 day old data staged in 1. above.
Any comments or thoughts anyone?
Calvin Thomas
UNIX System Administrator
NACA Logistics
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