How to create a filesystem with the correct computation of PP
Hi everyone, im having a problem with the computation of the PP size for creating a filesystem.
for example my requirement is to create a new filesystem with 10gig of system on aix 5.1 and aix 5.3 system.
here's the result when i run lsvg vgSAN-sparkle
could any provide me an exact computation of PP size for the creation of 10gig filesystem based on the result below.
maybe a working complete example is also appreciated thank you.
Code:
VOLUME GROUP: vgSAN-sparkle VG IDENTIFIER: 0024566a00004c0000000110319d5a7a
VG STATE: active PP SIZE: 128 megabyte(s)
VG PERMISSION: read/write TOTAL PPs: 268 (34304 megabytes)
MAX LVs: 512 FREE PPs: 159 (20352 megabytes)
LVs: 4 USED PPs: 109 (13952 megabytes)
OPEN LVs: 4 QUORUM: 3
TOTAL PVs: 4 VG DESCRIPTORS: 4
STALE PVs: 0 STALE PPs: 0
ACTIVE PVs: 4 AUTO ON: yes
MAX PPs per PV: 1016 MAX PVs: 128
LTG size: 128 kilobyte(s) AUTO SYNC: no
Moderator's Comments:
edit by bakunin: excessive formatting removed and CODE-tags added.
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LEARN ABOUT CENTOS
gfs2_jadd
gfs2_jadd(8) System Manager's Manual gfs2_jadd(8)NAME
gfs2_jadd - Add journals to a GFS2 filesystem
SYNOPSIS
gfs2_jadd [OPTION]... <DEVICE|MOINTPOINT>...
DESCRIPTION
gfs2_jadd is used to add journals (and a few other per-node files) to a GFS2 filesystem. When this operation is complete, the journal
index is updated so that machines mounting the filesystem at a later date will see the newly created journals in addition to the journals
already there. Machines which are already running in the cluster are unaffected.
You may only run gfs2_jadd on a mounted filesystem, addition of journals to unmounted filesystems is not supported. You only need to run
gfs2_jadd on one node in the cluster. All the other nodes will see the expansion has occurred when required.
You must be superuser to execute gfs2_jadd. The gfs2_jadd tool tries to prevent you from corrupting your filesystem by checking as many of
the likely problems as it can. When growing a filesystem, only the last step of updating the journal index affects the currently mounted
filesystem and so failure part way through the expansion process should leave your filesystem in its original state.
OPTIONS -c MegaBytes
Initial size of each journal's quota change file
-D Print out debugging information about the filesystem layout.
-h Prints out a short usage message and exits.
-J size
The size of the new journals in megabytes. The defaults to 32MB (the minimum size allowed is 8MB). If you want to add journals of
different sizes to the filesystem, you'll need to run gfs2_jadd once for each different size of journal.
-j num The number of new journals to add.
-q Be quiet. Don't print anything.
-V Version. Print version information, then exit.
SEE ALSO mkfs.gfs2(8)gfs2_grow(8)gfs2_jadd(8)
02-24-2011
