I have never looked into fsfreeze thanks for that little nugget. Two of the main file servers are windows based so I think that I will use the bacula client vss support to freeze the data for those two severs.
David On 11/14/2012 10:11 AM, Chris Adams wrote: > Once upon a time, David Palmer <dwpal...@cazenovia.edu> said: >> I am looking at ways to speed up our backups as our data continues to >> grow. We currently have an equallogic group that stores much of our >> information. One idea that we had for speeding up backups is to have a >> file server that is separate from our production file servers and >> mounting the data volumes as read only for backups. I am not planing to >> use this for anything but file servers (ie sql / mail). >> >> My question is has any one done this or something similar? Are there any >> disadvantages that by configuring it this way for our file servers? > I back up a volume from an Equalogic SAN like this. You do have to be > careful; you should limit visibility of the base volume to the active > server and the snapshot to the backup server, or "odd" things can > happen (depending on OS, filesystem, etc.). > > You also need a way to create a consistent filesystem snapshot. For > example, my volume is used by a Linux server and contains an LVM volume. > My snapshot script connects to the server and creates an LVM snapshot > first, connects to the SAN to create a SAN snapshot, and then removes > the LVM snapshot on the server. The SAN snapshot volume is then mounted > on the backup server. > > Without LVM, Linux also has the "fsfreeze" command to sync a filesystem > (flush all pending writes and hold new writes). You could freeze the > FS, create the SAN snapshot, and unfreeze. > ------------------------------------------------------------------------------ Monitor your physical, virtual and cloud infrastructure from a single web console. Get in-depth insight into apps, servers, databases, vmware, SAP, cloud infrastructure, etc. Download 30-day Free Trial. Pricing starts from $795 for 25 servers or applications! http://p.sf.net/sfu/zoho_dev2dev_nov _______________________________________________ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
