HP SnA 4일차 오후 - M10. Managing Locical Volumes and File Systems

IA/System Admin

HP SnA 4일차 오후 - M10. Managing Locical Volumes and File Systems

kiostory 2012. 6. 21. 14:39

# sleep 120
Quit(coredump)

--> quit (ctrl+\) : core dump created

root@rx233   [/root]
# ls -al
total 816
drwx------   3 root       sys           8192 Jun 21 14:36 .
drwxr-xr-x 15 root       root          8192 Jun 21 14:12 ..
-rw-r--r--   1 root       sys             20 Jun 19 13:38 .exrc
-rw-------   1 root       sys           1113 Jun 15 18:57 .profile
-rw-------   1 root       root            24 Jun 15 18:57 .rhosts
-rw-------   1 root       sys           8902 Jun 21 14:36 .sh_history
-rw-------   1 root       sys            100 Jun 15 18:57 .shrc
drwx------   6 root       sys             96 Jun 15 18:05 .sw
-rw-------   1 root       sys         284848 Jun 21 14:36 core
-rw-r--r--   1 root       sys            412 Jun 21 11:03 cp.err
prw-r--r--   1 root       sys              0 Jun 19 17:18 kio

root@rx233 [/root]

# strings core
04:Unable to find library '/usr/lib/nls/loc/hpux32/locales.3/C'.

root@rx233 [/root]

# stty -a
speed 9600 baud; line = 0;
rows = 0; columns = 0
min = 4; time = 0;
intr = ^C; quit = ^\; erase = ^H; kill = ^U
eof = ^D; eol = ^@; eol2 = ^@; swtch = ^@
stop = ^S; start = ^Q; susp = ^Z; dsusp <undef>
werase <undef>; lnext <undef>
-parenb -parodd cs8 -cstopb -hupcl cread clocal -loblk -crts
-ignbrk brkint ignpar -parmrk -inpck istrip -inlcr -igncr icrnl -iuclc
ixon ixany ixoff -imaxbel -rtsxoff -ctsxon -ienqak
isig icanon -iexten -xcase echo echoe echok -echonl -noflsh
-echoctl -echoprt -echoke -flusho -pendin
opost -olcuc onlcr -ocrnl -onocr -onlret -ofill -ofdel -tostop tab3

* Defragmenting File system

# fsadm -F vxfs -DE /home

Directory Fragmentation Report
             Dirs        Total      Immed    Immeds   Dirs to   Blocks to
             Searched    Blocks     Dirs     to Add   Reduce    Reduce
total            39         3        36         1         1           1

Extent Fragmentation Report
        Total    Average      Average     Total
        Files    File Blks    # Extents   Free Blks
          121           1           1      144725
    blocks used for indirects: 0
    % Free blocks in extents smaller than 64 blks: 0.01
    % Free blocks in extents smaller than 8 blks: 0.00
    % blks allocated to extents 64 blks or larger: 0.00
    Free Extents By Size
           1:          1            2:          0            4:          1
           8:          0           16:          1           32:          0
          64:          1          128:          2          256:          2
         512:          1         1024:          0         2048:          0
        4096:          1         8192:          1        16384:          2
       32768:          1        65536:          1       131072:          0
      262144:          0       524288:          0      1048576:          0
     2097152:          0      4194304:          0      8388608:          0
    16777216:          0     33554432:          0     67108864:          0
   134217728:          0    268435456:          0    536870912:          0
1073741824:          0   2147483648:          0

root@rx233 [/root]
# fsadm -DE /home
fsadm: /etc/default/fs is used for determining the file system type

root@rx233 [/root]
# fsadm -DEde -t 30 /home
fsadm: /etc/default/fs is used for determining the file system type

Extent Fragmentation Report
        Total    Average      Average     Total
        Files    File Blks    # Extents   Free Blks
          121           1           1      144725
    blocks used for indirects: 0
    % Free blocks in extents smaller than 64 blks: 0.06
    % Free blocks in extents smaller than 8 blks: 0.01
    % blks allocated to extents 64 blks or larger: 0.00
    Free Extents By Size
           1:          3            2:          1            4:          2
           8:          1           16:          2           32:          1
          64:          2          128:          3          256:          3
         512:          2         1024:          1         2048:          1
        4096:          2         8192:          2        16384:          1
       32768:          1        65536:          1       131072:          0
      262144:          0       524288:          0      1048576:          0
     2097152:          0      4194304:          0      8388608:          0
    16777216:          0     33554432:          0     67108864:          0
   134217728:          0    268435456:          0    536870912:          0
1073741824:          0   2147483648:          0

root@rx233 [/root]

* Repairing Corrupted F/S

# umount /home

root@rx233 [/root]
# fsck -F vxfs /dev/vg00/lvol4
file system is clean - log replay is not required

root@rx233 [/root]
# mount /home

root@rx233 [/root]

* lv제거 후 pv,vg삭제

# vgdisplay -v
--- Volume groups ---
VG Name                     /dev/vg00
VG Write Access             read/write
VG Status                   available
Max LV                      255
Cur LV                      8
Open LV                     8
Max PV                      16
Cur PV                      1
Act PV                      1
Max PE per PV               4238
VGDA                        2
PE Size (Mbytes)            8
Total PE                    4228
Alloc PE                    3474
Free PE                     754
Total PVG                   0
Total Spare PVs             0
Total Spare PVs in use      0
VG Version                  1.0
VG Max Size                 542464m
VG Max Extents              67808

   --- Logical volumes ---
   LV Name                     /dev/vg00/lvol1
   LV Status                   available/syncd
   LV Size (Mbytes)            1792
   Current LE                  224
   Allocated PE                224
   Used PV                     1

   LV Name                     /dev/vg00/lvol2
   LV Status                   available/syncd
   LV Size (Mbytes)            1024
   Current LE                  128
   Allocated PE                128
   Used PV                     1

   LV Name                     /dev/vg00/lvol3
   LV Status                   available/syncd
   LV Size (Mbytes)            1024
   Current LE                  128
   Allocated PE                128
   Used PV                     1

   LV Name                     /dev/vg00/lvol4
   LV Status                   available/syncd
   LV Size (Mbytes)            1152
   Current LE                  144
   Allocated PE                144
   Used PV                     1

   LV Name                     /dev/vg00/lvol5
   LV Status                   available/syncd
   LV Size (Mbytes)            10472
   Current LE                  1309
   Allocated PE                1309
   Used PV                     1

   LV Name                     /dev/vg00/lvol6
   LV Status                   available/syncd
   LV Size (Mbytes)            1152
   Current LE                  144
   Allocated PE                144
   Used PV                     1

   LV Name                     /dev/vg00/lvol7
   LV Status                   available/syncd
   LV Size (Mbytes)            6696
   Current LE                  837
   Allocated PE                837
   Used PV                     1

   LV Name                     /dev/vg00/lvol8
   LV Status                   available/syncd
   LV Size (Mbytes)            4480
   Current LE                  560
   Allocated PE                560
   Used PV                     1

   --- Physical volumes ---
   PV Name                     /dev/disk/disk2_p2
   PV Status                   available
   Total PE                    4228
   Free PE                     754
   Autoswitch                  on
   Proactive Polling           on

--- Volume groups ---
VG Name                     /dev/vg01
VG Write Access             read/write
VG Status                   available
Max LV                      2047
Cur LV                      2
Open LV                     2
Cur Snapshot LV             0
Max PV                      2048
Cur PV                      1
Act PV                      1
Max PE per PV               262144
VGDA                        2
PE Size (Mbytes)            4
Unshare unit size (Kbytes) 1024
Total PE                    8680
Alloc PE                    16
Current pre-allocated PE    0
Free PE                     8664
Total PVG                   0
Total Spare PVs             0
Total Spare PVs in use      0
VG Version                  2.2
VG Max Size                 1t
VG Max Extents              262144
Cur Snapshot Capacity       0p
Max Snapshot Capacity       1t

   --- Logical volumes ---
   LV Name                     /dev/vg01/swapvol
   LV Status                   available/syncd
   LV Size (Mbytes)            32
   Current LE                  8
   Allocated PE                8
   Used PV                     1

   LV Name                     /dev/vg01/datavol
   LV Status                   available/syncd
   LV Size (Mbytes)            32
   Current LE                  8
   Allocated PE                8
   Used PV                     1

   --- Physical volumes ---
   PV Name                     /dev/disk/disk3
   PV Status                   available
   Total PE                    8680
   Free PE                     8664
   Current pre-allocated PE    0
   Autoswitch                  on
   Proactive Polling           on

root@rx233 [/home]
# lvremove /dev/vg01/swapvol
The logical volume "/dev/vg01/swapvol" is not empty;
do you really want to delete the logical volume (y/n) : y
Logical volume "/dev/vg01/swapvol" has been successfully removed.
Volume Group configuration for /dev/vg01 has been saved in /etc/lvmconf/vg01.conf

root@rx233   [/home]
# vgdisplay -v vg01
--- Volume groups ---
VG Name                     /dev/vg01
VG Write Access             read/write
VG Status                   available
Max LV                      2047
Cur LV                      1
Open LV                     1
Cur Snapshot LV             0
Max PV                      2048
Cur PV                      1
Act PV                      1
Max PE per PV               262144
VGDA                        2
PE Size (Mbytes)            4
Unshare unit size (Kbytes) 1024
Total PE                    8680
Alloc PE                    8
Current pre-allocated PE    0
Free PE                     8672
Total PVG                   0
Total Spare PVs             0
Total Spare PVs in use      0
VG Version                  2.2
VG Max Size                 1t
VG Max Extents              262144
Cur Snapshot Capacity       0p
Max Snapshot Capacity       1t

   --- Logical volumes ---
   LV Name                     /dev/vg01/datavol
   LV Status                   available/syncd
   LV Size (Mbytes)            32
   Current LE                  8
   Allocated PE                8
   Used PV                     1

   --- Physical volumes ---
   PV Name                     /dev/disk/disk3
   PV Status                   available
   Total PE                    8680
   Free PE                     8672
   Current pre-allocated PE    0
   Autoswitch                  on
   Proactive Polling           on

root@rx233 [/home]
# lvremove /dev/vg01/datavol
The logical volume "/dev/vg01/datavol" is not empty;
do you really want to delete the logical volume (y/n) : y
Logical volume "/dev/vg01/datavol" has been successfully removed.
Volume Group configuration for /dev/vg01 has been saved in /etc/lvmconf/vg01.conf

root@rx233 [/home]
#

root@rx233   [/home]
# vgdisplay -v vg01
--- Volume groups ---
VG Name                     /dev/vg01
VG Write Access             read/write
VG Status                   available
Max LV                      2047
Cur LV                      0
Open LV                     0
Cur Snapshot LV             0
Max PV                      2048
Cur PV                      1
Act PV                      1
Max PE per PV               262144
VGDA                        2
PE Size (Mbytes)            4
Unshare unit size (Kbytes) 1024
Total PE                    8680
Alloc PE                    0
Current pre-allocated PE    0
Free PE                     8680
Total PVG                   0
Total Spare PVs             0
Total Spare PVs in use      0
VG Version                  2.2
VG Max Size                 1t
VG Max Extents              262144
Cur Snapshot Capacity       0p
Max Snapshot Capacity       1t

   --- Physical volumes ---
   PV Name                     /dev/disk/disk3
   PV Status                   available
   Total PE                    8680
   Free PE                     8680
   Current pre-allocated PE    0
   Autoswitch                  on
   Proactive Polling           on

root@rx233 [/home]
# vgremove -X vg01
Volume group "vg01" has been successfully removed.

root@rx233 [/home]
# vgdisplay -v vg01
vgdisplay: Volume group "/dev/vg01" does not exist in the "/etc/lvmtab" file.
vgdisplay: Volume group "/dev/vg01" does not exist in the "/etc/lvmtab_p" file.
vgdisplay: Cannot display volume group "vg01".

root@rx233 [/home]
# pvdisplay -v /dev/disk/disk3
pvdisplay: Couldn't find the volume group to which
physical volume "/dev/disk/disk3" belongs.
pvdisplay: Cannot display physical volume "/dev/disk/disk3".

root@rx233   [/home]
# ioscan -fnNC disk
Class     I H/W Path Driver S/W State   H/W Type     Description
===================================================================
disk      2 64000/0xfa00/0x0 esdisk   CLAIMED     DEVICE       HP 36.4GMAU3036NC
                      /dev/disk/disk2      /dev/disk/disk2_p2   /dev/rdisk/disk2     /dev/rdisk/disk2_p2
                      /dev/disk/disk2_p1   /dev/disk/disk2_p3   /dev/rdisk/disk2_p1 /dev/rdisk/disk2_p3
disk      3 64000/0xfa00/0x1 esdisk   CLAIMED     DEVICE       HP 36.4GMAU3036NC
                      /dev/disk/disk3   /dev/rdisk/disk3

root@rx233 [/home]
# lvmadm -l
--- Version 1.0 volume groups ---
VG Name /dev/vg00
PV Name /dev/disk/disk2_p2

root@rx233 [/home]
# pvremove /dev/rdisk/disk3
The physical volume associated with "/dev/rdisk/disk3" has been removed.

root@rx233   [/home]
# ll /dev/*disk/*
brw-r-----   1 bin        sys          1 0x000000 Jun 15 17:57 /dev/disk/disk2
brw-r-----   1 bin        sys          1 0x000002 Jun 15 18:23 /dev/disk/disk2_p1
brw-r-----   1 bin        sys          1 0x000003 Jun 15 17:57 /dev/disk/disk2_p2
brw-r-----   1 bin        sys          1 0x000004 Jun 15 17:57 /dev/disk/disk2_p3
brw-r-----   1 bin        sys          1 0x000001 Jun 20 12:55 /dev/disk/disk3
crw-r-----   1 bin        sys         13 0x000000 Jun 15 17:57 /dev/rdisk/disk2
crw-r-----   1 bin        sys         13 0x000002 Jun 15 17:57 /dev/rdisk/disk2_p1
crw-r-----   1 bin        sys         13 0x000003 Jun 15 17:57 /dev/rdisk/disk2_p2
crw-r-----   1 bin        sys         13 0x000004 Jun 15 17:57 /dev/rdisk/disk2_p3
crw-r-----   1 bin        sys         13 0x000001 Jun 21 15:20 /dev/rdisk/disk3

root@rx233   [/home]
#
# vgdisplay
--- Volume groups ---
VG Name                     /dev/vg00
VG Write Access             read/write
VG Status                   available
Max LV                      255
Cur LV                      8
Open LV                     8
Max PV                      16
Cur PV                      1
Act PV                      1
Max PE per PV               4238
VGDA                        2
PE Size (Mbytes)            8
Total PE                    4228
Alloc PE                    3474
Free PE                     754
Total PVG                   0
Total Spare PVs             0
Total Spare PVs in use      0
VG Version                  1.0
VG Max Size                 542464m
VG Max Extents              67808

# lvmadm -l
--- Version 1.0 volume groups ---
VG Name /dev/vg00
PV Name /dev/disk/disk2_p2

* 파일시스템 풀의 경우 해결절차

# bdf
Filesystem          kbytes    used   avail %used Mounted on
/dev/vg00/lvol3    1048576 265832 776752   25% /
/dev/vg00/lvol1    1835008 190792 1631456   10% /stand
/dev/vg00/lvol8    4587520 462280 4100528   10% /var
/dev/vg00/lvol7    6856704 3225160 3603248   47% /usr
/dev/vg00/lvol6    1179648   20840 1149760    2% /tmp
/dev/vg00/lvol5    10723328 5690976 4993104   53% /opt
/dev/vg00/lvol4    1179648 1179648       0 100% /home

# cp /stand/vmunix /home

vxfs: msgcnt 6 mesg 001: V-2-1: vx_nospace - /dev/vg00/lvol4 file system full (128 block extent)cp: bad copy to /home/vmunix: write: No space left on device

root@rx233 [/labs]

# tail /var/adm/syslog/syslog.log
Jun 21 15:18:42 rx233 LVM[5651]: Volume Group configuration for /dev/vg01 has been saved in /etc/lvmconf/vg01.conf
Jun 21 15:19:09 rx233 vmunix: LVM: VG 128 0x000000: Flushing the deferred attach list.
Jun 21 15:19:09 rx233 LVM[5743]: vgremove -X vg01
Jun 21 15:20:16 rx233 LVM[5810]: lvmadm -l
Jun 21 15:20:29 rx233 LVM[5811]: pvremove /dev/rdisk/disk3
Jun 21 15:22:28 rx233 telnetd[5855]: getpid: peer died: Error 0
Jun 21 15:23:12 rx233 LVM[5862]: lvmadm -l
Jun 21 15:35:09 rx233 vmunix: vxfs: NOTICE: msgcnt 1 mesg 001: V-2-1: vx_nospace - /dev/vg00/lvol4 file system full (64 block extent)
Jun 21 15:35:17 rx233 vmunix: vxfs: NOTICE: msgcnt 3 mesg 001: V-2-1: vx_nospace - /dev/vg00/lvol4 file system full (8 block extent)
Jun 21 15:55:34 rx233 vmunix: vxfs: NOTICE: msgcnt 5 mesg 001: V-2-1: vx_nospace - /dev/vg00/lvol4 file system full (128 block extent)

# find /home/ -name core
/home/user5/core

root@rx233 [/labs]
# rm /home/user5/core

root@rx233 [/labs]
#

root@rx233   [/labs]
# bdf
Filesystem          kbytes    used   avail %used Mounted on
/dev/vg00/lvol3    1048576 265576 777008   25% /
/dev/vg00/lvol1    1835008 190792 1631456   10% /stand
/dev/vg00/lvol8    4587520 462328 4100472   10% /var
/dev/vg00/lvol7    6856704 3225160 3603248   47% /usr
/dev/vg00/lvol6    1179648   20840 1149760    2% /tmp
/dev/vg00/lvol5    10723328 5690976 4993104   53% /opt
/dev/vg00/lvol4    1179648 1179568      80 100% /home

*vg 늘리기 전에 기본값 확인

# vgdisplay vg00
--- Volume groups ---
VG Name                     /dev/vg00
VG Write Access             read/write
VG Status                   available
Max LV                      255
Cur LV                      8
Open LV                     8
Max PV                      16
Cur PV                      1
Act PV                      1
Max PE per PV               4238
VGDA                        2
PE Size (Mbytes)            8
Total PE                    4228
Alloc PE                    3474
Free PE                     754
Total PVG                   0
Total Spare PVs             0
Total Spare PVs in use      0
VG Version                  1.0
VG Max Size                 542464m
VG Max Extents              67808

# pvcreate -f /dev/rdisk/disk3
Physical volume "/dev/rdisk/disk3" has been successfully created.

# vgextend vg00 /dev/disk/disk3
vgextend: Warning: Max_PE_per_PV for the volume group (4238) too small for this PV (4341).
Using only 4238 PEs from this physical volume.
Volume group "vg00" has been successfully extended.
Volume Group configuration for /dev/vg00 has been saved in /etc/lvmconf/vg00.conf

# vgdisplay vg00
--- Volume groups ---
VG Name                     /dev/vg00
VG Write Access             read/write
VG Status                   available
Max LV                      255
Cur LV                      8
Open LV                     8
Max PV                      16
Cur PV                      2
Act PV                      2
Max PE per PV               4238
VGDA                        4
PE Size (Mbytes)            8
Total PE                    8466
Alloc PE                    3474
Free PE                     4992
Total PVG                   0
Total Spare PVs             0
Total Spare PVs in use      0
VG Version                  1.0
VG Max Size                 542464m
VG Max Extents              67808

# lvdisplay /dev/vg00/lvol4
--- Logical volumes ---
LV Name                     /dev/vg00/lvol4
VG Name                     /dev/vg00
LV Permission               read/write
LV Status                   available/syncd
Mirror copies               0
Consistency Recovery        MWC
Schedule                    parallel
LV Size (Mbytes)            1152
Current LE                  144
Allocated PE                144
Stripes                     0
Stripe Size (Kbytes)        0
Bad block                   on
Allocation                  strict
IO Timeout (Seconds)        default

root@rx233 [/labs]
#

root@rx233   [/labs]
# lvdisplay -v /dev/vg00/lvol4
--- Logical volumes ---
LV Name                     /dev/vg00/lvol4
VG Name                     /dev/vg00
LV Permission               read/write
LV Status                   available/syncd
Mirror copies               0
Consistency Recovery        MWC
Schedule                    parallel
LV Size (Mbytes)            1152
Current LE                  144
Allocated PE                144
Stripes                     0
Stripe Size (Kbytes)        0
Bad block                   on
Allocation                  strict
IO Timeout (Seconds)        default

   --- Distribution of logical volume ---
   PV Name                 LE on PV PE on PV
   /dev/disk/disk2_p2      144       144

   --- Logical extents ---
   LE    PV1                     PE1   Status 1
   00000 /dev/disk/disk2_p2      00480 current
   00001 /dev/disk/disk2_p2      00481 current
   00002 /dev/disk/disk2_p2      00482 current
   00003 /dev/disk/disk2_p2      00483 current
   00004 /dev/disk/disk2_p2      00484 current
   00005 /dev/disk/disk2_p2      00485 current
   00006 /dev/disk/disk2_p2      00486 current
   00007 /dev/disk/disk2_p2      00487 current
   00008 /dev/disk/disk2_p2      00488 current
   00009 /dev/disk/disk2_p2      00489 current
   00010 /dev/disk/disk2_p2      00490 current
   00011 /dev/disk/disk2_p2      00491 current
   00012 /dev/disk/disk2_p2      00492 current
   00013 /dev/disk/disk2_p2      00493 current
   00014 /dev/disk/disk2_p2      00494 current
   00015 /dev/disk/disk2_p2      00495 current
   00016 /dev/disk/disk2_p2      00496 current
   00017 /dev/disk/disk2_p2      00497 current
   00018 /dev/disk/disk2_p2      00498 current
   00019 /dev/disk/disk2_p2      00499 current
   00020 /dev/disk/disk2_p2      00500 current
   00021 /dev/disk/disk2_p2      00501 current
   00022 /dev/disk/disk2_p2      00502 current
   00023 /dev/disk/disk2_p2      00503 current
   00024 /dev/disk/disk2_p2      00504 current
   00025 /dev/disk/disk2_p2      00505 current
   00026 /dev/disk/disk2_p2      00506 current
   00027 /dev/disk/disk2_p2      00507 current
   00028 /dev/disk/disk2_p2      00508 current
   00029 /dev/disk/disk2_p2      00509 current
   00030 /dev/disk/disk2_p2      00510 current
   00031 /dev/disk/disk2_p2      00511 current
   00032 /dev/disk/disk2_p2      00512 current
   00033 /dev/disk/disk2_p2      00513 current
   00034 /dev/disk/disk2_p2      00514 current
   00035 /dev/disk/disk2_p2      00515 current
   00036 /dev/disk/disk2_p2      00516 current
   00037 /dev/disk/disk2_p2      00517 current
   00038 /dev/disk/disk2_p2      00518 current
   00039 /dev/disk/disk2_p2      00519 current
   00040 /dev/disk/disk2_p2      00520 current
   00041 /dev/disk/disk2_p2      00521 current
   00042 /dev/disk/disk2_p2      00522 current
   00043 /dev/disk/disk2_p2      00523 current
   00044 /dev/disk/disk2_p2      00524 current
   00045 /dev/disk/disk2_p2      00525 current
   00046 /dev/disk/disk2_p2      00526 current
   00047 /dev/disk/disk2_p2      00527 current
   00048 /dev/disk/disk2_p2      00528 current
   00049 /dev/disk/disk2_p2      00529 current
   00050 /dev/disk/disk2_p2      00530 current
   00051 /dev/disk/disk2_p2      00531 current
   00052 /dev/disk/disk2_p2      00532 current
   00053 /dev/disk/disk2_p2      00533 current
   00054 /dev/disk/disk2_p2      00534 current
   00055 /dev/disk/disk2_p2      00535 current
   00056 /dev/disk/disk2_p2      00536 current
   00057 /dev/disk/disk2_p2      00537 current
   00058 /dev/disk/disk2_p2      00538 current
   00059 /dev/disk/disk2_p2      00539 current
   00060 /dev/disk/disk2_p2      00540 current
   00061 /dev/disk/disk2_p2      00541 current
   00062 /dev/disk/disk2_p2      00542 current
   00063 /dev/disk/disk2_p2      00543 current
   00064 /dev/disk/disk2_p2      00544 current
   00065 /dev/disk/disk2_p2      00545 current
   00066 /dev/disk/disk2_p2      00546 current
   00067 /dev/disk/disk2_p2      00547 current
   00068 /dev/disk/disk2_p2      00548 current
   00069 /dev/disk/disk2_p2      00549 current
   00070 /dev/disk/disk2_p2      00550 current
   00071 /dev/disk/disk2_p2      00551 current
   00072 /dev/disk/disk2_p2      00552 current
   00073 /dev/disk/disk2_p2      00553 current
   00074 /dev/disk/disk2_p2      00554 current
   00075 /dev/disk/disk2_p2      00555 current
   00076 /dev/disk/disk2_p2      00556 current
   00077 /dev/disk/disk2_p2      00557 current
   00078 /dev/disk/disk2_p2      00558 current
   00079 /dev/disk/disk2_p2      00559 current
   00080 /dev/disk/disk2_p2      00560 current
   00081 /dev/disk/disk2_p2      00561 current
   00082 /dev/disk/disk2_p2      00562 current
   00083 /dev/disk/disk2_p2      00563 current
   00084 /dev/disk/disk2_p2      00564 current
   00085 /dev/disk/disk2_p2      00565 current
   00086 /dev/disk/disk2_p2      00566 current
   00087 /dev/disk/disk2_p2      00567 current
   00088 /dev/disk/disk2_p2      00568 current
   00089 /dev/disk/disk2_p2      00569 current
   00090 /dev/disk/disk2_p2      00570 current
   00091 /dev/disk/disk2_p2      00571 current
   00092 /dev/disk/disk2_p2      00572 current
   00093 /dev/disk/disk2_p2      00573 current
   00094 /dev/disk/disk2_p2      00574 current
   00095 /dev/disk/disk2_p2      00575 current
   00096 /dev/disk/disk2_p2      00576 current
   00097 /dev/disk/disk2_p2      00577 current
   00098 /dev/disk/disk2_p2      00578 current
   00099 /dev/disk/disk2_p2      00579 current
   00100 /dev/disk/disk2_p2      00580 current
   00101 /dev/disk/disk2_p2      00581 current
   00102 /dev/disk/disk2_p2      00582 current
   00103 /dev/disk/disk2_p2      00583 current
   00104 /dev/disk/disk2_p2      00584 current
   00105 /dev/disk/disk2_p2      00585 current
   00106 /dev/disk/disk2_p2      00586 current
   00107 /dev/disk/disk2_p2      00587 current
   00108 /dev/disk/disk2_p2      00588 current
   00109 /dev/disk/disk2_p2      00589 current
   00110 /dev/disk/disk2_p2      00590 current
   00111 /dev/disk/disk2_p2      00591 current
   00112 /dev/disk/disk2_p2      00592 current
   00113 /dev/disk/disk2_p2      00593 current
   00114 /dev/disk/disk2_p2      00594 current
   00115 /dev/disk/disk2_p2      00595 current
   00116 /dev/disk/disk2_p2      00596 current
   00117 /dev/disk/disk2_p2      00597 current
   00118 /dev/disk/disk2_p2      00598 current
   00119 /dev/disk/disk2_p2      00599 current
   00120 /dev/disk/disk2_p2      00600 current
   00121 /dev/disk/disk2_p2      00601 current
   00122 /dev/disk/disk2_p2      00602 current
   00123 /dev/disk/disk2_p2      00603 current
   00124 /dev/disk/disk2_p2      00604 current
   00125 /dev/disk/disk2_p2      00605 current
   00126 /dev/disk/disk2_p2      00606 current
   00127 /dev/disk/disk2_p2      00607 current
   00128 /dev/disk/disk2_p2      00608 current
   00129 /dev/disk/disk2_p2      00609 current
   00130 /dev/disk/disk2_p2      00610 current
   00131 /dev/disk/disk2_p2      00611 current
   00132 /dev/disk/disk2_p2      00612 current
   00133 /dev/disk/disk2_p2      00613 current
   00134 /dev/disk/disk2_p2      00614 current
   00135 /dev/disk/disk2_p2      00615 current
   00136 /dev/disk/disk2_p2      00616 current
   00137 /dev/disk/disk2_p2      00617 current
   00138 /dev/disk/disk2_p2      00618 current
   00139 /dev/disk/disk2_p2      00619 current
   00140 /dev/disk/disk2_p2      00620 current
   00141 /dev/disk/disk2_p2      00621 current
   00142 /dev/disk/disk2_p2      00622 current
   00143 /dev/disk/disk2_p2      00623 current

--> free없음

# bdf
Filesystem          kbytes    used   avail %used Mounted on
/dev/vg00/lvol3    1048576 265896 776688   26% /
/dev/vg00/lvol1    1835008 190792 1631456   10% /stand
/dev/vg00/lvol8    4587520 462352 4100440   10% /var
/dev/vg00/lvol7    6856704 3225160 3603248   47% /usr
/dev/vg00/lvol6    1179648   20840 1149760    2% /tmp
/dev/vg00/lvol5    10723328 5690976 4993104   53% /opt
/dev/vg00/lvol4    1179648 1179568      80 100% /home

root@rx233 [/labs]
# fsadm -b 1200m /home --> lv늘리지 않고 fs를 바로 늘려보았으나 실패
fsadm: /etc/default/fs is used for determining the file system type
UX:vxfs fsadm: ERROR: V-3-25811: cannot expand /dev/vg00/rlvol4 more than size of the underlying device - 1179648 sectors

root@rx233 [/labs]
#

root@rx233 [/labs]
# lvextend -L 1216 /dev/vg00/lvol4
Logical volume "/dev/vg00/lvol4" has been successfully extended.
Volume Group configuration for /dev/vg00 has been saved in /etc/lvmconf/vg00.conf

* 온라인 JFS가 없을경우 umount후 extendfs를 통해 fs를 늘리고 다시 마운트

# umount /home

root@rx233   [/labs]
# bdf
Filesystem          kbytes    used   avail %used Mounted on
/dev/vg00/lvol3    1048576 265912 776672   26% /
/dev/vg00/lvol1    1835008 190792 1631456   10% /stand
/dev/vg00/lvol8    4587520 462360 4100432   10% /var
/dev/vg00/lvol7    6856704 3225160 3603248   47% /usr
/dev/vg00/lvol6    1179648   20840 1149760    2% /tmp
/dev/vg00/lvol5    10723328 5690976 4993104   53% /opt

root@rx233 [/labs]
#

root@rx233 [/labs]
# extendfs /dev/vg00/rlvol4

root@rx233 [/labs]
# mount /home

root@rx233   [/labs]
# bdf
Filesystem          kbytes    used   avail %used Mounted on
/dev/vg00/lvol3    1048576 265912 776672   26% /
/dev/vg00/lvol1    1835008 190792 1631456   10% /stand
/dev/vg00/lvol8    4587520 462368 4100424   10% /var
/dev/vg00/lvol7    6856704 3225160 3603248   47% /usr
/dev/vg00/lvol6    1179648   20840 1149760    2% /tmp
/dev/vg00/lvol5    10723328 5690976 4993104   53% /opt
/dev/vg00/lvol4    1245184 1179576   65152   95% /home

온라인jfs를 이용해 온라인으로 또 늘리자

# lvextend -L 1280 /dev/vg00/lvol4
Logical volume "/dev/vg00/lvol4" has been successfully extended.
Volume Group configuration for /dev/vg00 has been saved in /etc/lvmconf/vg00.conf

root@rx233   [/labs]
# bdf
Filesystem          kbytes    used   avail %used Mounted on
/dev/vg00/lvol3    1048576 265912 776672   26% /
/dev/vg00/lvol1    1835008 190792 1631456   10% /stand
/dev/vg00/lvol8    4587520 462432 4100360   10% /var
/dev/vg00/lvol7    6856704 3225160 3603248   47% /usr
/dev/vg00/lvol6    1179648   20840 1149760    2% /tmp
/dev/vg00/lvol5    10723328 5690976 4993104   53% /opt
/dev/vg00/lvol4    1245184 1179576   65152   95% /home --> 파일시스템은 변화없다

root@rx233   [/labs]
# lvdisplay -v /dev/vg00/lvol4
--- Logical volumes ---
LV Name                     /dev/vg00/lvol4
VG Name                     /dev/vg00
LV Permission               read/write
LV Status                   available/syncd
Mirror copies               0
Consistency Recovery        MWC
Schedule                    parallel
LV Size (Mbytes)            1280
Current LE                  160
Allocated PE                160
Stripes                     0
Stripe Size (Kbytes)        0
Bad block                   on
Allocation                  strict
IO Timeout (Seconds)        default

   --- Distribution of logical volume ---
   PV Name                 LE on PV PE on PV
   /dev/disk/disk2_p2      160       160

# fsadm -b 1280m /home
fsadm: /etc/default/fs is used for determining the file system type
UX:vxfs fsadm: INFO: V-3-25942: /dev/vg00/rlvol4 size increased from 1245184 sectors to 1310720 sectors

root@rx233   [/labs]
# bdf
Filesystem          kbytes    used   avail %used Mounted on
/dev/vg00/lvol3    1048576 265528 777056   25% /
/dev/vg00/lvol1    1835008 190792 1631456   10% /stand
/dev/vg00/lvol8    4587520 462440 4100352   10% /var
/dev/vg00/lvol7    6856704 3225160 3603248   47% /usr
/dev/vg00/lvol6    1179648   20840 1149760    2% /tmp
/dev/vg00/lvol5    10723328 5690976 4993104   53% /opt
/dev/vg00/lvol4    1310720 1179576 130176   90% /home

root@rx233 [/labs]
# fsadm -b 2000m /home
fsadm: /etc/default/fs is used for determining the file system type
UX:vxfs fsadm: ERROR: V-3-25811: cannot expand /dev/vg00/rlvol4 more than size of the underlying device - 1310720 sectors

# lvmadm -l
--- Version 1.0 volume groups ---
VG Name /dev/vg00
PV Name /dev/disk/disk2_p2
/dev/disk/disk3

* 다시 줄이자

# lvreduce -L 1152 /dev/vg00/lvol4
The Logical Volume has a mounted filesystem on it.
Logical volume "/dev/vg00/lvol4" is not reduced.

--> 파일시스템부터 줄여야지...

# fsadm -b 1152 /home
fsadm: /etc/default/fs is used for determining the file system type
UX:vxfs fsadm: ERROR: V-3-23544: sectors must be >= 22001 as they are currently in use.

--> 메가단위니까 m을 붙여야지

# fsadm -b 1152m /home
fsadm: /etc/default/fs is used for determining the file system type
UX:vxfs fsadm: INFO: V-3-23586: /dev/vg00/rlvol4 is currently 1310720 sectors - size will be reduced

root@rx233 [/labs]

# bdf
Filesystem          kbytes    used   avail %used Mounted on
/dev/vg00/lvol3    1048576 265912 776672   26% /
/dev/vg00/lvol1    1835008 190792 1631456   10% /stand
/dev/vg00/lvol8    4587520 462448 4100336   10% /var
/dev/vg00/lvol7    6856704 3225160 3603248   47% /usr
/dev/vg00/lvol6    1179648   20840 1149760    2% /tmp
/dev/vg00/lvol5    10723328 5690976 4993104   53% /opt
/dev/vg00/lvol4    1179648   22000 1148832    2% /home

root@rx233 [/labs]
#

root@rx233 [/labs]
# lvreduce -L 1152 /dev/vg00/lvol4
When a logical volume is reduced useful data might get lost;
do you really want the command to proceed (y/n) : y
Logical volume "/dev/vg00/lvol4" has been successfully reduced.
Volume Group configuration for /dev/vg00 has been saved in /etc/lvmconf/vg00.conf

root@rx233   [/labs]
# lvdisplay /dev/vg00/lvol4
--- Logical volumes ---
LV Name                     /dev/vg00/lvol4
VG Name                     /dev/vg00
LV Permission               read/write
LV Status                   available/syncd
Mirror copies               0
Consistency Recovery        MWC
Schedule                    parallel
LV Size (Mbytes)            1152
Current LE                  144
Allocated PE                144
Stripes                     0
Stripe Size (Kbytes)        0
Bad block                   on
Allocation                  strict
IO Timeout (Seconds)        default

* vg00에서 disk3번 제거

# pvdisplay -v /dev/disk/disk3 |more
--- Physical volumes ---
PV Name                     /dev/disk/disk3
VG Name                     /dev/vg00
PV Status                   available
Allocatable                 yes
VGDA                        2
Cur LV                      0
PE Size (Mbytes)            8
Total PE                    4238
Free PE                     4238
Allocated PE                0
Stale PE                    0
IO Timeout (Seconds)        default
Autoswitch                  on
Proactive Polling           on

...

# vgreduce vg00 /dev/disk/disk3
Volume group "vg00" has been successfully reduced.
Volume Group configuration for /dev/vg00 has been saved in /etc/lvmconf/vg00.conf

root@rx233   [/labs]
# vgdisplay vg00
--- Volume groups ---
VG Name                     /dev/vg00
VG Write Access             read/write
VG Status                   available
Max LV                      255
Cur LV                      8
Open LV                     8
Max PV                      16
Cur PV                      1
Act PV                      1
Max PE per PV               4238
VGDA                        2
PE Size (Mbytes)            8
Total PE                    4228
Alloc PE                    3474
Free PE                     754
Total PVG                   0
Total Spare PVs             0
Total Spare PVs in use      0
VG Version                  1.0
VG Max Size                 542464m
VG Max Extents              67808

root@rx233 [/labs]
# lvmadm -l
--- Version 1.0 volume groups ---
VG Name /dev/vg00
PV Name /dev/disk/disk2_p2

저작자표시 비영리 변경금지 (새창열림)