Technical data

Acer | HDS AMS200 User and Reference Guide 151
In the following cases, do not set the Format Priority Mode to Format; it may cause a
significant deterioration in host access performance or a command time out.
 Accessing the host in which the logical unit is in the same RAID group as logical unit
being formatted
 Formatting while using ShadowImage in-system replication, Truecopy, or Copy-on-write
SnapShot
Note2: When format is performed while copying or restoring using ShadowImage in-system
replication, or Copy-on-write SnapShot, set the Format Priority Mode to Normal.
4. When the setting is complete, click Apply on the Configuration Setting screen. The
following message appears, click OK.
5. A message appears when the setting is complete, click the OK. Click Close on the
Configuration Settings screen.
Note: The Format Mode tab includes the Format Data items, from which format data can
be selected. Normally, use the Default. Use the 0(zero) in the Format Data only when it is
necessary to clear the logical unit to 0(zero) at the time of connecting to TagmaStore USP.