Re: backup strategies

2005-11-01 Thread Csaba Henk
On Mon, Oct 31, 2005 at 02:37:32PM -0500, Paul Mather wrote: Not quite: NetBSD also features softupdates and also supports snapshots (though I don't know how stable it is, as I've never tried it on my NetBSD system). The snapshot interface under NetBSD is different from That's also good to

Re: backup strategies

2005-10-31 Thread Csaba Henk
Thanks for all the tips and answers, I will consider the mentioned alternatives. Yet I have one more question... On Sun, Oct 30, 2005 at 01:22:35PM -0600, Eric Schuele wrote: dump(8) will create a snapshot of a live filesystem, dump the snapshot and then remove the snapshot, if given the

Re: backup strategies

2005-10-31 Thread Eric Schuele
Csaba Henk wrote: Thanks for all the tips and answers, I will consider the mentioned alternatives. Yet I have one more question... On Sun, Oct 30, 2005 at 01:22:35PM -0600, Eric Schuele wrote: dump(8) will create a snapshot of a live filesystem, dump the snapshot and then remove the

Re: backup strategies

2005-10-31 Thread Csaba Henk
On Mon, Oct 31, 2005 at 09:40:16AM -0600, Eric Schuele wrote: How do snapshots work and how do they provide the consistency necessary for a dump? [...] SoftUpdates are required on the filesystem. This sounds beautiful. I am amazed. I knew of softupdates, but they were always a shady corner

Re: backup strategies

2005-10-31 Thread Eric Schuele
Csaba Henk wrote: On Mon, Oct 31, 2005 at 09:40:16AM -0600, Eric Schuele wrote: How do snapshots work and how do they provide the consistency necessary for a dump? [...] SoftUpdates are required on the filesystem. This sounds beautiful. I am amazed. I knew of softupdates, but they were

Re: backup strategies

2005-10-31 Thread Csaba Henk
On Mon, Oct 31, 2005 at 10:32:02AM -0600, Eric Schuele wrote: The online manual mentions it in 16.13. Wouldn't hurt for it to be in the man page as well. Oh, yeah, thanks. This makes things clear. I missed this somehow. AFAIK FreeBSD 5.0+. Other *BSD as well, i believe... but someone else

Re: backup strategies

2005-10-31 Thread Paul Mather
On Mon, 31 Oct 2005 18:59:21 +0100, Csaba Henk [EMAIL PROTECTED] wrote: On Mon, Oct 31, 2005 at 10:32:02AM -0600, Eric Schuele wrote: The online manual mentions it in 16.13. Wouldn't hurt for it to be in the man page as well. Oh, yeah, thanks. This makes things clear. I missed this

Re: backup strategies

2005-10-31 Thread Dan Nelson
In the last episode (Oct 31), Paul Mather said: The other thing to note about FreeBSD snapshots that I don't think has been mentioned is that they are only supported on UFS2 filesystems, meaning they are unavailable under FreeBSD 4.x and earlier (or on older filesystems created by those older

Re: backup strategies

2005-10-31 Thread Paul Mather
On Mon, 2005-10-31 at 13:53 -0600, Dan Nelson wrote: In the last episode (Oct 31), Paul Mather said: The other thing to note about FreeBSD snapshots that I don't think has been mentioned is that they are only supported on UFS2 filesystems, meaning they are unavailable under FreeBSD 4.x and

backup strategies

2005-10-30 Thread Csaba Henk
Hi! We plan to set up a backup server. While the basic backup procedure is clear -- use some archiving utility like dump, tar, or cpio and send data to the backup server via ssh or a network mount -- there are many details which are unclear for me. The two biggest problems are: 1) What parts

Re: backup strategies

2005-10-30 Thread Martin Hepworth
5.x and later you can snapshop the filesystem then use a special 'dump' to backup that snapshot to the backup machine. have a look at amanda and bacula for how they handle this and do some research on different backup strategies and their risks and benfits wrt to Unix systems - theres lots out

Re: backup strategies

2005-10-30 Thread Eric Schuele
and bacula for how they handle this and do some research on different backup strategies and their risks and benfits wrt to Unix systems - theres lots out there.. -- Martin TYA. -- Csaba Henk My sense of humour is often too subtle to cope with getting smileyd. Please don't take it personal

Re: backup strategies

2005-10-30 Thread albi
On Sun, 30 Oct 2005 14:49:02 +0100 Csaba Henk [EMAIL PROTECTED] wrote: We plan to set up a backup server. -- cut -- 1) What parts are to be backed up? If I backup the whole system, the backup disk will get full soon. incremental backups via a script called from cron sounds good, you might

Re: backup strategies

2005-10-30 Thread Winelfred G. Pasamba
BackupPC http://www.google.com/search?hl=enlr=newwindow=1q=backuppc+freebsd On 10/31/05, albi [EMAIL PROTECTED] wrote: On Sun, 30 Oct 2005 14:49:02 +0100 Csaba Henk [EMAIL PROTECTED] wrote: We plan to set up a backup server. -- cut -- 1) What parts are to be backed up? If I backup the