HP Serviceguard Extended Distance Cluster for Linux A.12.00.00 Deployment Guide, March 2014

To configure the storage to use in serviceguard-xdc environment:
1. Create a site-consistent disk group with storage across the sites. To create a site-consistent
disk group:
#vxdg -g dg_dd1 set siteconsistent=on
For information about creating a disk group, see Veritas Storage Foundation Cluster File
System High Availability Administrator's Guide available at https://sort.symantec.com/
documents/doc_details/sfha/6.0.1/Linux/ProductGuides.
2. Make the existing disk group site-consistent. For more information about making an existing
disk group site-consistent, see Veritas Storage Foundation Cluster File System High Availability
Administrator's Guide available at https://sort.symantec.com/documents/doc_details/sfha/
6.0.1/Linux/ProductGuides.
3. Create mirrored volumes across sites on the disk group:
#vxassist -g dg_dd1 make mirrorvol 100m nmirror=2 mirror=site
allsites=on siteconsistent=on
4. After the mirrored volumes are created:
#vxprint -vp
Disk group: dg_dd1
TY NAME ASSOC KSTATE LENGTH PLOFFS STATE TUTIL0 PUTIL0
pl mirrorvol-01 mirrorvol ENABLED 204800 - ACTIVE - -
pl mirrorvol-02 mirrorvol ENABLED 204800 - ACTIVE - -
pl mirrorvol_dcl-01 mirrorvol_dcl ENABLED 67840 - ACTIVE - -
pl mirrorvol_dcl-02 mirrorvol_dcl ENABLED 67840 - ACTIVE - -
v mirrorvol fsgen ENABLED 204800 - ACTIVE - -
v mirrorvol_dcl gen ENABLED 67840 - ACTIVE - -
3.3.5.1 Limitations
• serviceguard-xdc supports maximum of two plexes for a mirrored volume. For more
information about VxVM RAID1 mirroring, see Veritas Storage Foundation Administrator's
Guide available at https://sort.symantec.com/documents/doc_details/sfha/6.0.1/Linux/
ProductGuides.
3.3 Configuring the Storage Environment 27