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服务器空间以及idle都正常,读写命中率也正常,但是服务器处理程序还是慢。可以看看你的服务器的cache是否打开。
format -e
Searching for disks...done
AVAILABLE DISK SELECTIONS:
0. c1t10d0
/sbus@7,0/SUNW,fas@3,8800000/sd@a,0
1. c1t11d0
/sbus@7,0/SUNW,fas@3,8800000/sd@b,0
Specify disk (enter its number): 1
selecting c1t11d0
[disk formatted]
Warning: Current Disk has mounted partitions.
FORMAT MENU:
disk - select a disk
type - select (define) a disk type
partition - select (define) a partition table
current - describe the current disk
format - format and analyze the disk
repair - repair a defective sector
label - write label to the disk
analyze - surface analysis
defect - defect list management
backup - search for backup labels
verify - read and display labels
save - save new disk/partition definitions
inquiry - show vendor, product and revision
scsi - independent SCSI mode selects
cache - enable, disable or query SCSI disk cache
volname - set 8-character volume name
! - execute , then return
quit
format> cache
CACHE MENU:
write_cache - display or modify write cache settings
read_cache - display or modify read cache settings
! - execute , then return
quit
cache> write_cache
WRITE_CACHE MENU:
display - display current setting of write cache
enable - enable write cache
disable - disable write cache
! - execute , then return
quit
write_cache> display
Write Cache is disabled
write_cache> enable
write_cache> display
Write Cache is enabled
write_cache>
修改完成后重启服务器,看是否快了呢?
本文来自ChinaUnix博客,如果查看原文请点:http://blog.chinaunix.net/u/26329/showart_2144312.html |
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