retrying using single block read
1. character driver In a character driver, read() will be called for a character driver. In the sample, uiomove() is called to do the memory copy. In the user space program, call read() to get the buffer from kernel. 2. block driver In a block device driver, strategy() will be called for read and write. In the sample, bp_mapin() and bcopy() are used to do the memory copy. In the user spac...
by jack_zheng - Solaris文档中心 - 2007-05-17 17:56:27 阅读（552） 回复（0）
How can I read a single stream of data from a USB keyboard device (on Solaris 8, using C). Many Thank's.
Dear all: I am going to read a file "data.dat", its content is: [Code] 5 0 2 3 5 2 4 2 4 2 4 3 100 1 3 4 2 3 2 2 3 4 2 200 2 3 5 3 5 4 4 2 4 3 300 2 3 5 2 4 2 4 2 4 2 400 2 3 5 2 3 2 4 2 4 2 500 1 3 5 2 4 2 4 2 3 2 [/code] I want to sepearate the data into three part. The first one is [code] N=5; [/code] The second one is [code] key=[0 2 3 5 2 4 2 4 2 4 ...
各位大侠帮忙， 异常停电后 一个设备无法mount; unable to read super block. 有 哪些解决办法？
硬件配置:主板+CPU+希捷硬盘一块+1G内存 软件:snort配置的防火墙 一直用的好好的,昨天换到一个新机房,开机后正常,大约两分钟后,错误提示 ad4:Timeout-read_DMA retrying(2 retries left)LAB=107633087 然后机器没有任何反映,关机 重新启动 依然如此,请问是什么原因?该如何解决?不胜感激!
#!/bin/sh sleep 3 echo "input a:" read a if [ "$a" == y ]; then echo $a else echo no fi 问题: 如果在shell sleep 的过程敲很多次回车 例如3次 现象为 [root@localhost]#./filename input a: no [root@localhost]# [root@localhost]# [root@localhost]# _ 也就是说shell记住了你敲的这3次回车 怎么能达到这种效果: 不管敲几次回车 只捕捉input a: 出现后的那一次输入 [root@localhost]#./filename i...
toad中dba dababase monitor的event waited中指标 multi block read 的值很高，说明可能是那方面的原因？ toad中dba dababase monitor的event waited中有以下指标 control file io single block read multi block read direct path read sql *net file io log write 其中，multi block read 的值很高，说明可能是那方面的原因？ 请高人指点迷津！
ad4: WARNING - SETFEATURES SET TRANSFER MODE taskqueue timeout - completing request directly ad4: TIMEOUT - WRITE_DMA48 retrying (1 retry left) LBA=371115035 ad4: WARNING - SETFEATURES SET TRANSFER MODE taskqueue timeout - completing request directly ad4: TIMEOUT - WRITE_DMA retrying (1 retry left) LBA=787231 ad4: WARNING - SETFEATURES SET TRANSFER MODE taskqueue timeout - completing request d...
各位请问 使用--single-transaction对myisam类型的表起作用吗？ 例如： mysqldump --single-transaction --all-databases > backupdb.sql
