Sun Microsystems StorEdge 6320 System 1.0, Справочное и сервисное руководство

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Chapter 5 Sun StorEdge Configuration Service Software 5-19
Caution – When you change array settings, data found on any detected volumes is
deleted. When you change an existing array profile, data found on any detected
volumes is deleted. When you change an existing profile to a new profile, the
existing profile’s settings (such as cache settings) are copied to the new profile and
the existing profile is deleted.
5.3.5.1 Modifying the Sun StorEdge 6020 Arrays
Use this command to modify the Sun Storage 6020 arrays. The
sscs modify
array
command-line syntax is shown below.
TABLE 5-12
describes the arguments associated with the
modify array
subcommand.
# sscs modify [-s {16K | 32K | 64K}] [-c {auto | writebehind |
writethrough | off}] [-r {on | off}] [-R {high | medium | low}]
[-f {explicit | implicit}] [-p {auto | 1 | 2}] [-t {auto | loop |
fabric_p2p}] [-d text] array
array-name
TABLE 5-12
sscs modify array
Command-Line Arguments
Argument Description
-s,--segment {16K |
32K | 64K}
Specify a segment size of 16 Kbytes, 32 Kbytes, or 64 Kbytes.
-c,--cache {auto |
writebehind |
writethrough | off}
Specify the volume cache characteristics or disable the cache.
Specify off for no read or write caching.
• auto - use write-behind or write-through caching
depending on I/O characteristics.
• writebehind - All read and write operations are written to
cache.
• writethrough - data is written to cache and then to disk.
-r,--readahead {on |
off}
Enable or disable the volume read-ahead cache.
-R,--reconrate {high
| medium | low}
Specify the LUN reconstruction rate. Selecting high might
impact system I/O performance; selecting low might increase
system I/O performance.
-f,--failover
{explicit |
implicit}
Specify the LUN failover mode.