Adding a Direct Volume
Selecting a VPU (optional)
CLI Storage-Management Guide 8-23
Do this before the volume is enabled; once the volume is enabled (below), you cannot
re-assign it to another VPU.
For example, the following command sequence assigns the current volume,
“medco~/vol,” to VPU 1:
bstnA6k(gbl)# namespace medco
bstnA6k(gbl-ns[medco])# volume /vol
bstnA6k(gbl-ns-vol[medco~/vol])# vpu 1
bstnA6k(gbl-ns-vol[medco~/vol])# ...
Splitting Namespace Processing within a VPU
Each VPU has two domains, one per namespace. By default, volumes are assigned to
domains so that the domains run different namespaces. You can manually assign the
current volume to a particular domain, so that both domains have volumes from the
same namespace. (This option is more useful for managed volumes than direct
volumes; its use for managed volumes is discussed in the next chapter.)
To assign the current volume to a specific domain, use the optional
domain clause at
the end of the
vpu command:
vpu id domain domain-id
where
id (1-6) identifies the VPU, and
domain-id (1-2) chooses the VPU domain.
For example, the following command sequence explicitly assigns the current volume,
“medco~/vol,” to VPU 1, domain 2:
bstnA6k(gbl)# namespace medco
bstnA6k(gbl-ns[medco])# volume /vol
bstnA6k(gbl-ns-vol[medco~/vol])# vpu 1 domain 2
bstnA6k(gbl-ns-vol[medco~/vol])# ...
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