Thursday 27 February 2020

Veritas Diskgroup Recovery when private region corrupted

bash-3.2# vxdisk list
DEVICE       TYPE            DISK         GROUP        STATUS
c1t0d0s2     auto:none       -            -            online invalid
c1t1d0s2     auto:cdsdisk    -            -            online
c1t2d0s2     auto:cdsdisk    -            -            error
c1t3d0s2     auto:none       -            -            online invalid
disk_0       auto:none       -            -            online invalid


cat 1581943561.20.solaris10node1.cfgrec|vxprint -D - -mvprsh
check configuration backup for disk.info and fix priv lenght
vxdisksetup -i c1t2d0 privlen=65536 privoffset=256

bash-3.2# vxdisk list
DEVICE       TYPE            DISK         GROUP        STATUS
c1t0d0s2     auto:none       -            -            online invalid
c1t1d0s2     auto:cdsdisk    -            -            online
c1t2d0s2     auto:cdsdisk    -            -            online
c1t3d0s2     auto:none       -            -            online invalid
disk_0       auto:none       -            -            online invalid
bash-3.2# vxdisk -o alldgs list
DEVICE       TYPE            DISK         GROUP        STATUS
c1t0d0s2     auto:none       -            -            online invalid
c1t1d0s2     auto:cdsdisk    -            (ramadg)     online
c1t2d0s2     auto:cdsdisk    -            -            online
c1t3d0s2     auto:none       -            -            online invalid
disk_0       auto:none       -            -            online invalid
bash-3.2# vxconfigrestore ramadg
Diskgroup ramadg configuration restoration started ......

VxVM vxconfigd WARNING V-5-1-546 Disk c1t2d0 in group ramadg: Disk device not found
VxVM vxconfigrestore ERROR V-5-2-3703 Diskgroup ramadg appears to be a deported disk group.



bash-3.2# vxdg import ramadg
VxVM vxconfigd WARNING V-5-1-546 Disk c1t2d0 in group ramadg: Disk device not found
VxVM vxdg WARNING V-5-1-560 Disk c1t2d0: Not found, last known location: c1t2d0s2



bash-3.2# vxdg list
NAME         STATE           ID
ramadg       enabled,cds          1581943561.20.solaris10node1
bash-3.2# vxdisk list
DEVICE       TYPE            DISK         GROUP        STATUS
c1t0d0s2     auto:none       -            -            online invalid
c1t1d0s2     auto:cdsdisk    c1t1d0       ramadg       online
c1t2d0s2     auto:cdsdisk    -            -            online
c1t3d0s2     auto:none       -            -            online invalid
disk_0       auto:none       -            -            online invalid
-            -         c1t2d0       ramadg       failed was:c1t2d0s2

#vxdg destroy ramadg
bash-3.2# vxconfigrestore -l /var/tmp/ramadg ramadg
Diskgroup ramadg configuration restoration started ......

Installing volume manager disk header for c1t2d0s2 ...
Installing volume manager disk header for c1t1d0s2 ...
-
ramadg's diskgroup configuration is restored (in precommit state).
Diskgroup can be accessed in read only and can be examined using
vxprint in this state.

Run:
  vxconfigrestore -l /var/tmp/ramadg -c ramadg ==> to commit the restoration.
  vxconfigrestore -l /var/tmp/ramadg -d ramadg ==> to abort the restoration.
bash-3.2# vxdisk list
DEVICE       TYPE            DISK         GROUP        STATUS
c1t0d0s2     auto:none       -            -            online invalid
c1t1d0s2     auto:cdsdisk    c1t1d0       ramadg       online
c1t2d0s2     auto:cdsdisk    c1t2d0       ramadg       online
c1t3d0s2     auto:none       -            -            online invalid
disk_0       auto:none       -            -            online invalid
bash-3.2# vxprint -hvt
Disk group: ramadg

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

v  convol       -            ENABLED  ACTIVE   204800   SELECT    -        fsgen
pl convol-01    convol       ENABLED  ACTIVE   204800   CONCAT    -        RW
sd c1t1d0-01    convol-01    c1t1d0   0        204800   0         c1t1d0   ENA

vxconfigrestore -l /var/tmp/ramadg -c ramadg





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