Tape backup & Mount / umount remote fs

[dickiebird]

Hi Guys
Given the following info - can you help me, please

Filesystem Total KB free %used iused %iused Mounted on
/dev/hd4 20480 13844 32% 1105 17% /
/dev/hd9var 12288 4784 61% 136 4% /var
/dev/hd2 389120 68864 82% 16989 17% /usr
/dev/hd3 20480 19160 6% 64 1% /tmp
/dev/hd1 45056 30376 32% 681 5% /home
/dev/lv02 4096 3144 23% 74 7% /local_backup
/dev/lvsybback 49152 7948 83% 49 0% /sybback
/dev/logslv 4096 1832 55% 82 8% /logs
/dev/lv03 4096 3240 20% 131 12% /SYSTEM_SCRIPTS
/dev/lv04 45056 38956 13% 87 0% /home/ftp3270
/dev/lv00 118784 18384 84% 3055 9% /runtime
/dev/lv01 155648 25252 83% 842 2% /data
ariel:/program_source 155648 21236 86% - - /program_source
minnie:/data/Y2K/build 1925120 442860 76% - - /data/Y2K/build

/data/Y2K/build is a directory on a remote machine, which I have just mounted
onto my RS6000 (with help from Tek-Tips gurus )

dbird on mickey: /data > ls -lrt
total 88
drwxrwsrwx 2 root sys 512 Jan 14 1997 chemical
drwxrwsrwx 2 root sys 512 Jan 06 1999 spool
drwxr-sr-x 3 root sys 512 Nov 09 1999 system_scripts
drwxrwsrwx 2 root sys 2560 Oct 09 2000 jcl
drwxrwsrwx 12 root sys 512 Feb 08 2001 xmit
drwxrwsrwx 2 root sys 512 Jun 19 2001 sna_sessions
drwxrwsrwx 2 root sys 1024 Apr 26 2002 logfiles
drwxr-sr-x 8 root sys 512 Nov 06 11:47 Y2K
drwxr-sr-x 2 root sys 4608 Nov 07 06:04 pton
drwxrwsrwx 6 root sys 3584 Nov 14 05:50 rje

The problem is that the daily tar backup to tape is filling the tape.
Directory data has to be backed up - but how can I exclude just /data/Y2K/build
from the backup ? It's big ! ( and is allready backed up on the remote machine )
Can I just umount /data/Y2K/build , run my backup , then mount it afterwards ?
TIA ;-) Dickie Bird
Honi soit qui mal y pense

 

[newmangj]

I suppose you could unmount then mount but obviously no processes on your system or users on your system could use the resources on the remote drive whilst the backup is underway.

The question is - how do you actually perform the backup, presumably this could be tailored in some way to omit the directory. More information on your backup processes would assist.

Cheers

 

[dickiebird]

Thanks Newmangi
We do a monthly mksysb of all except the data directories.
We run a daily tar backup (to tape) during which, no users are allowed on the system ( we disable their logins)
Trying the umount and mount before and after the backup was successful.
Thanks for your time.
Regards Dickie Bird
Honi soit qui mal y pense

 

[jamisar]

alternatively
contruct a list using 'df', pass the list to backup prog.
assuming your 'df'command is able to print local-fs only (on solaris: df -Fufs will do this)
if not: df|grep /dev/
-----------
when they don't ask you anymore, where they are come from, and they don't tell you anymore, where they go ... you'r getting older !

 

[Annihilannic]

Sometimes df -l (that's an ell) will only list 'local' disks. Annihilannic.