Chapter 5 Information Settings and Display
5.1 Performance > set cache-parameters
ETERNUS CLI User’s Guide
Copyright 2015 FUJITSU LIMITED P2X0-1030-09ENZ0
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■ Example(s)
-ss Optional. This parameter specifies the parameter for determining data access (Read I/O)
sequentiality (Sequential Slope). If omitted, then this parameter is not changed.
-sds Optional. This parameter specifies the parameter for determining data access (Write I/O)
sequentiality (Sequential Dirty Slope). If omitted, then this parameter is not changed.
-cache-limit Optional. This parameter specifies the upper limit value for the cache memory capacity that
can be used by a volume. If omitted, then this parameter is not changed. Thin Provisioning
Pools cannot be specified. If the Bind-in-Cache capacity is set in the ETERNUS Disk storage
system, this parameter cannot be used. Volumes that are not LUN Concatenation Volumes and
that are the following types can be specified:
• Standard
• SDV
• SDPV
• MVV
off No upper limit is set.
32.5mb Up to 32.5MB can be used.
65mb Up to 65MB can be used.
130mb Up to 130MB can be used.
260mb Up to 260MB can be used.
520mb Up to 520MB can be used.
1040mb Up to 1040MB can be used.
2080mb Up to 2080MB can be used (this cannot be set for the DX80 S2).
The following example sets the Pre-fetch Limit to 20 for the volumes with consecutively numbered
identifiers #1 – #8:
CLI> set cache-parameters -volume-number 1-8 -pl 20
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