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Full Discussion: Creating AIX LV VG and JFS2 issues?
Operating Systems AIX Creating AIX LV VG and JFS2 issues? Post 302926004 by c3rb3rus on Thursday 20th of November 2014 05:20:51 PM
Old 11-20-2014
Hammer & Screwdriver Creating AIX LV VG and JFS2 issues?
Can someone please help me understand what it is I am doing incorrectly?

I have 22 PVs (disks) assigned to a VG, the stats on the disks:

Code:
# lspv hdisk1
PHYSICAL VOLUME:    hdisk1                   VOLUME GROUP:     vg_usr1
PV IDENTIFIER:      0000150179158027 VG IDENTIFIER     000015010000d60000000149c                                                                                                                               f0a568a
PV STATE:           active
STALE PARTITIONS:   0                        ALLOCATABLE:      yes
PP SIZE:            128 megabyte(s)          LOGICAL VOLUMES:  1
TOTAL PPs:          546 (69888 megabytes)    VG DESCRIPTORS:   1
FREE PPs:           0 (0 megabytes)          HOT SPARE:        no
USED PPs:           546 (69888 megabytes)    MAX REQUEST:      256 kilobytes
FREE DISTRIBUTION:  00..00..00..00..00
USED DISTRIBUTION:  110..109..109..109..109
MIRROR POOL:        None

I have a VG created..

Code:
# lsvg vg_usr1
VOLUME GROUP:       vg_usr1                  VG IDENTIFIER:  000015010000d60000000149cf0a568a
VG STATE:           active                   PP SIZE:        128 megabyte(s)
VG PERMISSION:      read/write               TOTAL PPs:      12012 (1537536 megabytes)
MAX LVs:            256                      FREE PPs:       2 (256 megabytes)
LVs:                1                        USED PPs:       12010 (1537280 megabytes)
OPEN LVs:           0                        QUORUM:         12 (Enabled)
TOTAL PVs:          22                       VG DESCRIPTORS: 22
STALE PVs:          0                        STALE PPs:      0
ACTIVE PVs:         22                       AUTO ON:        yes
MAX PPs per VG:     32512
MAX PPs per PV:     1016                     MAX PVs:        32
LTG size (Dynamic): 256 kilobyte(s)          AUTO SYNC:      no
HOT SPARE:          no                       BB POLICY:      relocatable
PV RESTRICTION:     none                     INFINITE RETRY: no
DISK BLOCK SIZE:    512

I have a LV created..

Code:
# lslv lv_usr1
LOGICAL VOLUME:     lv_usr1                VOLUME GROUP:   vg_usr1
LV IDENTIFIER:      000015010000d60000000149cf0a568a.1 PERMISSION:     read/write
VG STATE:           active/complete        LV STATE:       closed/syncd
TYPE:               jfs2                   WRITE VERIFY:   off
MAX LPs:            32512                  PP SIZE:        128 megabyte(s)
COPIES:             2                      SCHED POLICY:   parallel
LPs:                6005                   PPs:            12010
STALE PPs:          0                      BB POLICY:      relocatable
INTER-POLICY:       minimum                RELOCATABLE:    yes
INTRA-POLICY:       middle                 UPPER BOUND:    32
MOUNT POINT:        N/A                    LABEL:          usr1
MIRROR WRITE CONSISTENCY: on/ACTIVE
EACH LP COPY ON A SEPARATE PV ?: yes
Serialize IO ?:     NO
INFINITE RETRY:     no

I created a mirrored LV (Copies: 2), so next I want to create the JFS2 FS..

Code:
  Volume group name                                   vg_usr1
  SIZE of file system
          Unit Size                                   Megabytes
*         Number of units                            [768000]
* MOUNT POINT                                        [/usr1]
  Mount AUTOMATICALLY at system restart?              yes
  PERMISSIONS                                         read/write
  Mount OPTIONS                                      []
  Block Size (bytes)                                  4096
  Logical Volume for Log
  Inline Log size (MBytes)                           []
  Extended Attribute Format
  ENABLE Quota Management?                            no
  Enable EFS?                                         no
  Allow internal snapshots?                           no
  Mount GROUP                                        []

The error I get is..

Code:
Command: failed        stdout: yes           stderr: no
Before command completion, additional instructions may appear below.
0516-404 allocp: This system cannot fulfill the allocation request.
        There are not enough free partitions or not enough physical volumes
        to keep strictness and satisfy allocation requests.  The command
        should be retried with different allocation characteristics.
0516-822 mklv: Unable to create logical volume.
crfs: 0506-972 Cannot create logical volume for file system.
rmlv: Logical volume loglv00 is removed.

I have no idea what I am doing wrong? I am trying to maximize my usage of PP/LPs, so basically use it all up and assign the largest possible FS on the JFS2.

When creating the JFS2 FS, its asking for the Number of Units so if my LV has 6005 LPs, and my PP size is 128, 6005x128 .. 768640MB.. to leave a bit of breathing room I tried to set it to 768000 but the above error happens.

What am i doing wrong.. really would like to understand how to do this correctly starting from the PPs up to creating the JFS2.

Thank you for your help.
 

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