How to recover an accidentally destroyed disk group
Article ID: 100018364
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Resolution
Disk group recovery is fairly easy if only a
1. Run the following command to obtain the disk group ID (aka, dgid):
vxdg destroy was done. Here is the procedure to recover the disk group:1. Run the following command to obtain the disk group ID (aka, dgid):
# vxdisk -s list | egrep "^Disk:|^dgname:|^dgid:|^$" which will display along the following format, e.g.
Disk: c0t0d0s2 dgname: rootdg dgid: 953917906.1025.t1.veritas.com Disk: c0t1d0s2 dgname: dgid: 951844539.1173.t1.veritas.com Disk: c0t2d0s2 dgname: dgid: 951844539.1173.t1.veritas.com Disk: c1t0d0s2 dgname: newdg dgid: 839974052.565623.t2.veritas.com Disk: c1t1d2s2 dgname: foodg dgid: 941150448.1192.t2.veritas.com Disk: c1t2d1s2 Disk: c1t2d2s2 dgname: newdg dgid: 839974052.565623.t2.veritas.com Disk: c1t3d2s2 dgname: newdg dgid: 839974052.565623.t2.veritas.com Disk: c1t5d2s2 dgname: dgid: From above, locate the records which have the dgid field defined, i.e. not empty, but the dgname field empty. In the above example, this corresponds to the records of c0t1d0 and c0t2d0, which has a dgid of "951844539.1173.t1.veritas.com".
2. Recover the disk group via the disk group ID, i.e. dgid:
2. Recover the disk group via the disk group ID, i.e. dgid:
# vxdg import In this example: # vxdg import 951844539.1173.t1.veritas.com Issue/Introduction
How to recover an accidentally destroyed disk group
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