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lvm raid

lolaferrari
lolaferrari used Ask the Experts™
on
can anyone please tell me if this is sware raid or not?
[root@rasqe01040 ~]# pvscan
  PV /dev/sda5   VG vglocal   lvm2 [37.78 GB / 160.00 MB free]
  PV /dev/sda3   VG vgroot    lvm2 [14.00 GB / 832.00 MB free]
  Total: 2 [51.78 GB] / in use: 2 [51.78 GB] / in no VG: 0 [0   ]
[root@rasqe01040 ~]# lvscan
  ACTIVE            '/dev/vglocal/opt_CA' [320.00 MB] inherit
  ACTIVE            '/dev/vglocal/opt_ihs61' [2.47 GB] inherit
  ACTIVE            '/dev/vglocal/opt_mqm' [640.00 MB] inherit
  ACTIVE            '/dev/vglocal/var_mqm' [160.00 MB] inherit
  ACTIVE            '/dev/vglocal/ora_product' [4.91 GB] inherit
  ACTIVE            '/dev/vglocal/ora_admin' [1.00 GB] inherit
  ACTIVE            '/dev/vglocal/opt_od602' [512.00 MB] inherit
  ACTIVE            '/dev/vglocal/opt_WebSphere61x64' [7.84 GB] inherit
  ACTIVE            '/dev/vglocal/app_mpr' [256.00 MB] inherit
  ACTIVE            '/dev/vglocal/app_ihs_mpr' [256.00 MB] inherit
  ACTIVE            '/dev/vglocal/app_tfe' [512.00 MB] inherit
  ACTIVE            '/dev/vglocal/app_ihs_tfe' [512.00 MB] inherit
  ACTIVE            '/dev/vglocal/app_flf' [512.00 MB] inherit
  ACTIVE            '/dev/vglocal/app_cob' [1.00 GB] inherit
  ACTIVE            '/dev/vglocal/app_hci' [1.00 GB] inherit
  ACTIVE            '/dev/vglocal/app_commonapi' [1.00 GB] inherit
  ACTIVE            '/dev/vglocal/app_moc' [512.00 MB] inherit
  ACTIVE            '/dev/vglocal/app_tbc' [512.00 MB] inherit
  ACTIVE            '/dev/vglocal/app_csc' [512.00 MB] inherit
  ACTIVE            '/dev/vglocal/app_fmc' [512.00 MB] inherit
  ACTIVE            '/dev/vglocal/app_cfc' [512.00 MB] inherit
  ACTIVE            '/dev/vglocal/app_ihs_moc' [256.00 MB] inherit
  ACTIVE            '/dev/vglocal/app_ihs_tbc' [256.00 MB] inherit
  ACTIVE            '/dev/vglocal/app_ihs_csc' [256.00 MB] inherit
  ACTIVE            '/dev/vglocal/app_ihs_sls' [256.00 MB] inherit
  ACTIVE            '/dev/vglocal/app_ihs_fmc' [256.00 MB] inherit
  ACTIVE            '/dev/vglocal/app_ihs_cfc' [256.00 MB] inherit
  ACTIVE            '/dev/vglocal/opt_WebSphere61' [7.84 GB] inherit
  ACTIVE            '/dev/vglocal/opt_ihs61-services' [2.47 GB] inherit
  ACTIVE            '/dev/vglocal/app_sls' [512.00 MB] inherit
  ACTIVE            '/dev/vgroot/lvroot' [4.00 GB] inherit
  ACTIVE            '/dev/vgroot/lvhome' [1.50 GB] inherit
  ACTIVE            '/dev/vgroot/lvtmp' [2.00 GB] inherit
  ACTIVE            '/dev/vgroot/lvvar' [4.00 GB] inherit
  ACTIVE            '/dev/vgroot/tivoli' [512.00 MB] inherit
  ACTIVE            '/dev/vgroot/itm' [1.00 GB] inherit
  ACTIVE            '/dev/vgroot/opsware' [64.00 MB] inherit
  ACTIVE            '/dev/vgroot/vopsware' [128.00 MB] inherit
[root@rasqe01040 ~]# vgscan
  Reading all physical volumes.  This may take a while...
  Found volume group "vglocal" using metadata type lvm2
  Found volume group "vgroot" using metadata type lvm2
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This isn't sufficient to tell you if it is s/w raid or not.
Can you paste lspci -vv
might help
Top Expert 2011

Commented:
Could you also provide the output of
fdisk -l
dmesg |grep sd
lvs

Author

Commented:
please could you advise what i need to look for - the disks are all local and we're not using san storage. almost sure we're using hardware raid but i would still like to know how best to check myself.
Top Expert 2011

Commented:
when you do
lvs -a -o +devices

   In "Attr" column, do you see "mwi-a" for any LV?

Author

Commented:
no m just wi-a.
Top Expert 2011
Commented:
then there is no lvm mirror.

Author

Commented:
fantastic!