Dariush Debian Diary

pokurcz:/home/ftp# xfs_freeze -f /fs/tmpptc/     
pokurcz:/home/ftp# lvcreate -l 500 -s -n tsnap /dev/dat/tmpptc 
  Logical volume "tsnap" created
pokurcz:/home/ftp# mkdir /fs/snapt
pokurcz:/home/ftp# mount -o nouuid,ro /dev/dat/tmp
tmpf    tmpptc  
pokurcz:/home/ftp# mount -o nouuid,ro /dev/dat/tmp
tmpf    tmpptc  
pokurcz:/home/ftp# mount -o nouuid,ro /dev/dat/   
bck      devetch  fs       ftp      tmpf     tmpptc   tsnap    
pokurcz:/home/ftp# mount -o nouuid,ro /dev/dat/tsnap /fs/snapt/
pokurcz:/home/ftp# xfs_freeze -u /fs/tmpptc
pokurcz:/home/ftp# 



pokurcz:/home/ftp# cd /fs/tmpptc/
pokurcz:/fs/tmpptc# ls
TL1_6-install.pdf                        
VMware-VMvisor-InstallerCD-3.5.0-67921.i386.iso  conieface.xfsdump.gz  hypervisor_performance_comparison_1_0_5_with_esx-data.pdf  ldap.pem         q                     testy
pokurcz:/fs/tmpptc# touch HELLO.WORLD
pokurcz:/fs/tmpptc# ls /fs/snapt/
VMware-VMvisor-InstallerCD-3.5.0-67921.i386.iso  conieface.xfsdump.gz  hypervisor_performance_comparison_1_0_5_with_esx-data.pdf  ldap.pem         q                     testy
pokurcz:/fs/tmpptc# 


Clean up:

pokurcz:/fs/tmpptc# umount /fs/snapt/
pokurcz:/fs/tmpptc# lvremove -f /dev/dat/   
      tmpf     tmpptc   tsnap    
pokurcz:/fs/tmpptc# lvremove -f /dev/dat/tsnap 
  Logical volume "tsnap" successfully removed

HN:/home/eyck# pvscan 
  PV /dev/dm-10          VG systems   lvm2 [65.00 GB / 5.93 GB free]
  PV /dev/dm-9           VG cdb       lvm2 [70.00 GB / 1.89 GB free]
  PV /dev/dm-8           VG spool     lvm2 [797.47 GB / 81.70 GB free]
  PV /dev/cciss/c0d0p5                lvm2 [32.98 GB]
  PV /dev/cciss/c1d0p5                lvm2 [67.83 GB]
  PV /dev/cciss/c1d1p5                lvm2 [67.83 GB]
  PV /dev/cciss/c1d2p5                lvm2 [273.45 GB]
  PV /dev/cciss/c1d3p1                lvm2 [279.39 GB]
  Total: 8 [1.62 TB] / in use: 3 [932.46 GB] / in no VG: 5 [721.49 GB]
HN:/home/eyck# pvremove  /dev/cciss/c1d3p1
  Labels on physical volume "/dev/cciss/c1d3p1" successfully wiped
HN:/home/eyck# pvremove  /dev/cciss/c1d2p5
  Labels on physical volume "/dev/cciss/c1d2p5" successfully wiped
HN:/home/eyck# pvremove  /dev/cciss/c1d1p5
  Labels on physical volume "/dev/cciss/c1d1p5" successfully wiped
HN:/home/eyck# pvremove  /dev/cciss/c0d0p5
  Labels on physical volume "/dev/cciss/c0d0p5" successfully wiped
HN:/home/eyck# pvremove  /dev/cciss/c1d0p5
  Labels on physical volume "/dev/cciss/c1d0p5" successfully wiped
HN:/home/eyck# 

HN:/home/eyck# pvscan 
  PV /dev/dm-10   VG systems   lvm2 [65.00 GB / 5.93 GB free]
  PV /dev/dm-9    VG cdb       lvm2 [70.00 GB / 1.89 GB free]
  PV /dev/dm-8    VG spool     lvm2 [797.47 GB / 81.70 GB free]
Total: 3 [932.46 GB] / in use: 3 [932.46 GB] / in no VG: 0 [0   ]

kadmin -k -p eyck@DOMAIN