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Old 05-09-2012, 10:45 AM   #1
vikas027
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Registered: May 2007
Location: Sydney
Distribution: RHEL, CentOS, Debian, OS X
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Question Striped Plex with concatenated subdisks per column


Dear All,

I am on a CentOS 6.2 machine and using keyless (trial for 60 days) Veritas Storage Foundation 6.0.

I am not a newbie but not an expert either in Veritas Volume Manager (VxVM).

I am unable to create a striped plex with concatenated subdisks per column, I have made my configuration till subdisks.

Code:
root@box1:~# vxprint -ht
Disk group: dg1

DG NAME         NCONFIG      NLOG     MINORS   GROUP-ID
ST NAME         STATE        DM_CNT   SPARE_CNT         APPVOL_CNT
DM NAME         DEVICE       TYPE     PRIVLEN  PUBLEN   STATE
RV NAME         RLINK_CNT    KSTATE   STATE    PRIMARY  DATAVOLS  SRL
RL NAME         RVG          KSTATE   STATE    REM_HOST REM_DG    REM_RLNK
CO NAME         CACHEVOL     KSTATE   STATE
VT NAME         RVG          KSTATE   STATE    NVOLUME
V  NAME         RVG/VSET/CO  KSTATE   STATE    LENGTH   READPOL   PREFPLEX UTYPE
PL NAME         VOLUME       KSTATE   STATE    LENGTH   LAYOUT    NCOL/WID MODE
SD NAME         PLEX         DISK     DISKOFFS LENGTH   [COL/]OFF DEVICE   MODE
SV NAME         PLEX         VOLNAME  NVOLLAYR LENGTH   [COL/]OFF AM/NM    MODE
SC NAME         PLEX         CACHE    DISKOFFS LENGTH   [COL/]OFF DEVICE   MODE
DC NAME         PARENTVOL    LOGVOL
SP NAME         SNAPVOL      DCO
EX NAME         ASSOC        VC                       PERMS    MODE     STATE
SR NAME         KSTATE

dg dg1          default      default  7000     1336569098.58.box1.test.com

dm disk01       disk_0       auto     65536    454400   -
dm disk02       disk_1       auto     65536    454400   -
dm disk03       disk_2       auto     65536    454400   -
dm disk04       disk_3       auto     65536    454400   -

sd disk01-01    -            disk01   0        452608   -         disk_0   ENA
sd disk02-01    -            disk02   0        225280   -         disk_1   ENA
sd disk02-02    -            disk02   225280   225280   -         disk_1   ENA
sd disk03-01    -            disk03   0        149504   -         disk_2   ENA
sd disk03-02    -            disk03   149504   149504   -         disk_2   ENA
sd disk03-03    -            disk03   299008   149504   -         disk_2   ENA
root@box1:~#
I need help with below "vxmake" command

Code:
root@box1:~# vxmake -g dg1 plex plex01 sd=disk01-01,disk02-01,disk02-02,disk03-01,disk03-02,disk03-03 layout=stripe stwidth=32K ncolumn=3
VxVM vxmake ERROR V-5-1-8864 gen/vxmake: Striped Plex plex01: must specify column numbers if number of
	specified subdisks is greater than number of columns.
root@box1:~#
I am sure some arguments needs to be tweaked to assign a column to a particular subdisk, but I am unable to figure it out.

May be it is easier to achieve this "vxassist" command, but I want to learn the harder way which is more detailed and thus knowledge focussed.

Please help me correcting this "vxmake" command.
 
  


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