Veritas Foundation Learning for newbie
Virtual Volume 1 sect = 512 bytes = 2 VM Objects 2 sect = 1 KB 1 VM Object = 256 bytes 2048 sect = 1 M = 4096 VM Object (Private Region) Length =Total Sectors for particular volume/diskgroup/disk Disk Size = (Length/2) KBytes Creating Volume Stripe Unit = SU = 64K SU * # of columns = Appl I/O FSW=Full Stripe Width. FSW=App I/O RAID-5 : SU = 16K SU * (# of columns - 1) = App IO Mirror does not have a log by default RAID-5 have a log by default (can be set to no log) lf u wanna shrink/expand filesystem space with remain volume size on dg that is not used : /usr/lib/fs/vxfs/fsadm -b -r /dev/vx/rdsk/datadg/reszvol /reszmnt lf u wanna shrink/expand filesystem space with remain disk size on diskgroup : vxresize -F vxfs -g datadg reszvol create snapshot filesystem : 1. vxassist -g datadg make snapvol datadg04 2. mount -F vxfs -o snapof=/fsorig /dev/vx/dsk/snapvol /snapmnt remove snapvol : vxassist -g datadg remove volume snapvol check frag FS : /opt/VRTSvxfs/sbin/fsadm -D -E /mnt defrag FS...