This line in vfstab works for me with 7.3.2 client, 7.2.2 server and All
savesets....

zfs/download    zfs/download    /zfs/download   zfs     -       no
-


I wrote a little script to parse the output of 'zfs list',and update
vfstab - not quite perfect, I intend extending this process to make it
backup snapshots instead of the actual filesystems but have not got
around to that yet.


#!/bin/perl

open VFSTAB, "</etc/vfstab" or die "$!: /etc/vfstab";
while (<VFSTAB>) {
        if (/^\s*#/) {
                push @vfstab, $_;
        } else {
                ($blk,$raw,$mountpoint,$type,$fsck,$boot,$opt)=split;
                if($type ne "zfs") {
                        push @vfstab, $_;
                } else {
                        print STDERR "zfs existing: $mountpoint\n";
                        $existing{$mountpoint}=$_;
                        $name{$mountpoint}=$blk;
                }
        }
}
close VFSTAB;

open ZFSLIST, "zfs list -H -o name,mountpoint|" or die "$!: running zfs
list";
while (<ZFSLIST>) {
        chop;
        ($name,$zfsmount)=split;
        if ($existing{$zfsmount}){
                $touched{$zfsmount}=1;
                if($name{$zfsmount} eq $name) {
                        # exists already
                        push @vfstab, $existing{$zfsmount};
                        next;
                }
                push @vfstab,
"$name\t$name\t$zfsmount\tzfs\t-\tno\t-\n";
                print STDERR "zfs modified: $mountpoint\n";
                next;
        } else {
                push @vfstab,
"$name\t$name\t$zfsmount\tzfs\t-\tno\t-\n";
                print STDERR "zfs added: $zfsmount\n";
        }
}
foreach (sort keys %existing){
        print STDERR "zfs deleted: $_\n" unless ($touched{$_});
}

unlink "/etc/vfstab.zfsnew"; #just in case
if (open(NEWVFS,">/etc/vfstab.zfsnew")) {
        foreach (@vfstab) {
                print NEWVFS;
        }
        if(close(NEWVFS)) {
                unlink "/etc/vfstab.zfsold";
                link "/etc/vfstab", "/etc/vfstab.zfsold" or die "$!:
linking /etc/vfstab to /etc/vfstab.zfsold";
                unlink "/etc/vfstab" or die "$!: unlinking /etc/vfstab";
                link "/etc/vfstab.zfsnew", "/etc/vfstab" or die "$!:
linking /etc/vfstab.zfsnew to /etc/vfstab";
                unlink "/etc/vfstab.zfsnew" or die "$!: unlinking
/etc/vfstab.zfsnew";
        } else {
                die "$!: closing /etc/vfstab.zfsnew";
        }
} else {
        die "$!: opening /etc/vfstab.zfsnew for writing";
}






-----Original Message-----
From: EMC NetWorker discussion [mailto:NETWORKER AT LISTSERV.TEMPLE DOT EDU] On
Behalf Of Coty, Edward
Sent: Thursday, 24 May 2007 11:36 PM
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Subject: [Networker] ZFS file systems

Hi all,

Anyone backing up ZFS file systems on Solaris 10. I am told by EMC that
it is only supported in 7.3.2. I am able to backup and restore from a
7.2.2 server running 7.3.2 client on the server with ZFS. The only way I
can get it to work is by hardcoding the ZFS file systems in the saveset
field. I have tried multiple ways of adding psuedo entries into
/etc/vfstab to get the saveset of ALL to work. No luck. Has anyone done
this? Do ZFS file systems have to be hardcoded in the saveset field? 

Of course I am reluctant to upgrade to 7.3 server since my 7.2.2 server
is stable. 

EDWARD COTY
LEAD STORAGE ENGINEER, LCNA
WORK - 973-533-2098
CELL - 973-296-0918
EDWARD.COTY AT AIG DOT COM

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