Installation manual

Shadowing a Volume
Configuring a Shadow-Copy Rule (Source Switch)
15-24 CLI Storage-Management Guide
From gbl-ns-vol-shdwcp mode, use the delta-threshold command to set a different
threshold:
delta-threshold minimum-size[k|M|G|T]
where
minimum-size (1-64) is the minimum size of a file that is eligible for delta
transfer, and
k|M|G|T (optional) sets the size units: kilobytes, Megabytes, Gigabytes, or
Terabytes. The default is bytes if you omit this. All of these values are
2-based, so a kilobyte is 1024 bytes, a megabytes is 1024*1024, and so on.
There can be no spaces between the minimum-size and the unit letter; 20M
is correct, but 20 M is invalid.
For example, the following command sequence sets a threshold of 500 megabytes for
delta transfers:
bstnA6k(gbl)# namespace archives
bstnA6k(gbl-ns[archives])# volume /home
bstnA6k(gbl-ns-vol[archives~/home])# shadow-copy-rule buHome
bstnA6k(gbl-ns-vol-shdwcp[archives~/home~buHome])# delta-threshold 500M
bstnA6k(gbl-ns-vol-shdwcp[archives~/home~buHome])# ...
Reverting to the Default
To reset the threshold back to the default, 100 megabytes, use no delta-threshold:
no delta-threshold
For example:
bstnA6k(gbl)# namespace wwmed
bstnA6k(gbl-ns[wwmed])# volume /acct
bstnA6k(gbl-ns-vol[wwmed~/acct])# shadow-copy-rule DRrule
bstnA6k(gbl-ns-vol-shdwcp[wwmed~/acct~DRrule])# no delta-threshold
bstnA6k(gbl-ns-vol-shdwcp[wwmed~/acct~DRrule])# ...