Error V5-1-10978 disk group import failed V-5-10127 creating sub-disk failed

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Article ID: 100006261

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Description

Error Message

vxdisk -f init c1t210000D023072716d8 puboffset=0 publen=4095918013 privoffset=1 privlen=65535
vxdisk -f init c1t210000D023072716d9 puboffset=0 publen=4095918013 privoffset=1 privlen=65535
vxdisk -f init c1t210000D023072716d10 puboffset=0 publen=4095918013 privoffset=1 privlen=65535
vxdisk -f init c1t210000D023072716d11 puboffset=0 publen=4095918013 privoffset=1 privlen=65535
vxdisk -f init c1t210000D023072716d12 puboffset=0 publen=4095918013 privoffset=1 privlen=65535
vxdisk -f init c1t210000D023072716d13 puboffset=0 publen=4095918013 privoffset=1 privlen=65535
vxdisk -f init c1t210000D023072716d14 puboffset=0 publen=4095918013 privoffset=1 privlen=65535
vxdisk -f init c1t210000D023072716d15 puboffset=0 publen=4095918013 privoffset=1 privlen=65535

vxdg init INFO_fileblob cds=off bfile_fileblobx01=c1t210000D023072716d8
vxdg -g INFO_fileblob adddisk bfile_fileblobx02=c1t210000D023072716d9

vxdg -g INFO_fileblob adddisk bfile_fileblobx03=c1t210000D023072716d10
vxdg -g INFO_fileblob adddisk bfile_fileblobx04=c1t210000D023072716d11
vxdg -g INFO_fileblob adddisk bfile_fileblobx05=c1t210000D023072716d12
vxdg -g INFO_fileblob adddisk bfile_fileblobx06=c1t210000D023072716d13
vxdg -g INFO_fileblob adddisk bfile_fileblobx07=c1t210000D023072716d14
vxdg -g INFO_fileblob adddisk bfile_fileblobx08=c1t210000D023072716d15

vxmake -g INFO_fileblob -d vxprint.hvmpsg.bfile_fileblob.txt
VxVM vxmake ERROR V-5-1-10127 creating subdisk bfile_fileblobx01-05:
        Subdisk offset violates disk group alignment

Cause

Volume manager have set the disk group alignment to 8k for cds compatibility. It means the subdisk length has to be multiple of 8k. However, this value can be changed.

Resolution

After checking the source dg information, it is found that the alignment value was set to 1 block. We have to change the new dg alignment value to 1 with the following command.

# vxdg -g set alignment=1

Then vxmake works without any error.
 

Issue/Introduction

We cannot add the disk back when we tried to rename the mirror BCV copy of the dg with vxmake procedure if dg alignment value is different from default one.