symantec netbackup disk based image via the command line? When would I, or would I not, use cross mount points? symantec netbackup configure retention from command line ? What is the difference between the expiration date for a volume in NetBackup's media catalog and Media Manager's volume database? In which location(path) the temp files located in Netbackup for Windows/Unix?

/var is a separate mount point under / If you do not allow cross mount points, it will not backup /var. If you allow cross mount points, it will. How do you find a disk based image via the command line and then delete it? Look in the reports, some of them refer to disk images - one way bpimagelist - then search for the disk based images in the FRAG lines - another way Look directly in the disk STU at the actual backup images, the names of the files contain the backupid. Use bpexpdate -backupid <backupid> to expire them. Martin

Hi For command line see if below link helps. http://www.symantec.com/docs/TECH43834 Thanks

symantec netbackup disk based image via the command line? When would I, or would I not, use cross mount points? symantec netbackup configure retention from command line ? What is the difference between the expiration date for a volume in NetBackup's media catalog and Media Manager's volume database? In which location(path) the temp files located in Netbackup for Windows/Unix? I don't understand 1. 2. Cross mount points if you specify (for example) / in the backup selection, and wish NBU to backup root and then 'cross' over to other 'filesystems' that are spearate mountpoints. for example /var. 3. Configurer retention time using bpretlevel command eg. bpretlevel -r 10 5 d (set ret level 10 to 5 days) 4. MediaDB expiratuion date is the date the last image on the tape expires. VolDB expire date is not set as default, but is set is the date after which NBU will not use the tape. 5. Impossible question, NBU creates what you could classify as tmp files in various places (that is files that are created, and then deleted sometime later). There is a temp dir on windows Install_path\VERITAS\NetBackup\temp And on unix /usr/openv/tmp But there are other files that can be created/ deleted at variuos times, and other areas where you can delete files that will be recreated with NBU restarts, so I would say this is an unreasonable question. Martin

2. Cross mount points if you specify (for example) / in the backup selection, and wish NBU to backup root and then 'cross' over to other 'filesystems' that are spearate mountpoints. for example /var. Above is not clear Question 1 was below: How do you find a disk based image via the command line and then delete it?

if i allow cross mount point and in backup selection i have only /.Then it will act as ALL_LOCAL_DRIVES?

More of less, yes. The backup works a bit different as with all local drives the master contacts the client to work out what files systems are there, if you use / and cross mount points it doesn't. So effectivly on unix at least you would back up the same data. Martin

symantec netbackup disk based image via the command line

16 Replies

NIKHIL234656595
Level 6
12 years ago

Do not use theCrossmountpoints attribute in policies on UNIX systems where

you use the ALL_LOCAL_DRIVES directive in the backup selection list.

Why this is so?
mph999
Level 6
12 years ago
Because ALL_LOCAL_DRIVES will backup all the different mountpoints.

If you select cross all mount points it would backup up things twice.

Consider this simple example.

The server has just two filesystem

/

/var (this is a separate mountpoint)

If I select cross all mountpoints and tell it to backup up /

NBU will start to backup /, when it gets to /var, it is allowed to cross into it and back it up - as you understand.

If you the use all local drives and cross mount points

First, NBU works out what the separate mount points are (this is a difference when using all local drives)

It works out it has to backup / and /var separately

NBU will backup / as before, when it gets to /var, which is listed under / - because cross mount points is allowed, it will backup /var, but, it is backuping up /var as part of /

Once it finishes, it will backup the next filesystem in the list, which is /var

So, /var will have been backed up twice

Martin
NIKHIL234656595
Level 6
12 years ago

The server has just two filesystem

/

/var (this is a separate mountpoint)

If I do not select cross all mountpoints and tell it to backup up /

Then in that case?
Marianne
Level 6
12 years ago
You have these choices: 1) Backup / with 'cross mount points' 2) Backup ALL_LOCAL_DRIVES without 'cross mount points' All of this is explained in Admin Guide I. PLEASE start a new discussion if you still have doubts. You have marked this thread as SOLVED. This means your questions were answered, right?
NIKHIL234656595
Level 6
12 years ago

In some cases, consider creating separate policies for the backups that cross mount

points and those that do not. For example, in one policy, disable Cross mount

points and include root (/) in the backup selection list. As a result, only the root

file system is backed up, and not the file systems that are mounted on it. In another

policy, enable Cross mount points and include root (/) in the backup selection

list. As a result, all the data on the client is backed up.

Note: NetBackup specifically excludes mapped directories even if FollowNFS and

Cross mount points are enabled. To back up mapped directories, include the

directories in the file list.
mph999
Level 6
12 years ago
It would only back up / and not backup /var, as /var is a separate mountpoint.

Martin

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symantec netbackup disk based image via the command line

16 Replies

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