Changing rights without touching user and group? Post: 302490932

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Top Forums UNIX for Dummies Questions & Answers Changing rights without touching user and group? Post 302490932 by tracer on Wednesday 26th of January 2011 07:57:43 AM

01-26-2011

Registered User

Hi, this is no homework, it's an existing and running environment.

The "Clients" are different Webservers, with multiple accounts, users and groups. There are daily changes on the datastructure, new accounts are generated (and with this accounts new users and groups on this client machines). All groups which are generated on these machines have one thing in common: the group itself is member of one "backup" group.
Now there is a backup/storage server connects itself to the client once a day and makes a backup of all files and folders via rsync. During backup the original user and group rights are keept - this user and group does not exist on the storage server, so I only can see the id of the group. So if a user deletes files on his client (webserver) unintentional we are able to copy the content back and of course on this machine user and group exist and therefore everything is back to the original state again. All this works fine so far.
But - if a some calls the support weather there exists a backup of a certain file and they want to check if there is a existing backup on the storage system this is only possible if they access the storage server with root rights, because the groups and users on the storage system do not exist. Therefore I'm searching a better solution...

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LEARN ABOUT OPENSOLARIS

vgcfgbackup

VGCFGBACKUP(8)                                                System Manager's Manual                                               VGCFGBACKUP(8)

NAME

       vgcfgbackup - backup volume group descriptor area

SYNOPSIS

       vgcfgbackup [-d|--debug] [-f|--file filename] [-h|--help] [--ignorelockingfailure] [-P|--partial] [-v|--verbose] [VolumeGroupName...]

DESCRIPTION

       vgcfgbackup  allows you to backup the metadata of your volume groups.  If you don't name any volume groups on the command line, all of them
       will be backed up.

       In a default installation, each volume group gets backed up into a separate file bearing the name of the  volume  group  in  the  directory
       /etc/lvm/backup.   You can write the backup to an alternative file using -f.  In this case if you are backing up more than one volume group
       the filename is treated as a template, and %s gets replaced by the volume group name.

       NB. This DOESN'T backup user/system data in logical volume(s)!  Backup /etc/lvm regularly too.

OPTIONS

       See lvm for common options.

SEE ALSO

       lvm(8), vgcfgrestore(8)

Sistina Software UK                                      LVM TOOLS 2.02.95(2) (2012-03-06)                                          VGCFGBACKUP(8)