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vikas027 05-09-2012 09:45 AM

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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