All Questions
8
questions
0
votes
1
answer
854
views
Signals vs. polling for I/O (uses very simple example of I/O)
I understand how hardware interrupts work. I have a basic question about I/O, and will use keyboard and characters from key presses as the context for the question.
In a general sense, do processes ...
- 101
4
votes
0
answers
211
views
Any way to tweak Windows' kernels or drives to handle I/O and reduce or eliminate hangs with failing drives?
I frequently work with failing hard drives for data recovery and various tasks. These tasks are usually short lived in nature, but important. The way Windows seems to handle any failing drive that's ...
- 1,231
0
votes
1
answer
80
views
how to install kernel module for blk_mq's io schedulers?
I have recently changed single queue to multi queue on my oracle server. This server is oracle linux 6.10 (4.1.12 kernel). I realize there is no any io scheduler for blk_mq alse show the /sys/block//...
- 302
1
vote
0
answers
67
views
which io scheduler is recommended when use the blk_mq block layer with oracle database?
I have oracle Linux 6.10 with 4.1.12 kernel. I have recently moved from the legacy block to the blk_mq block. But all SCSI devices have show io scheduler is none. I have researched but I didn't find ...
- 302
1
vote
1
answer
682
views
Are Kernels hardware specific?
From my understanding, the Kernel provides the link between software and hardware, and therefore the Kernel must direct system calls being made by OS applications, correct? So would different I/O ...
- 113
-1
votes
1
answer
92
views
why does asynchronous I/O require buffering?
I read in some introductory lecture notes on I/O and operating systems that "asynchronous systems require buffering". Why is it so please?
Cheers
- 103
2
votes
0
answers
260
views
Thinkpad Yoga "Disk I/O Error" (Linux)
My machine is sporadically remounting the SSD read-only due to a "Disk I/O Error". This seems only to happen when I connect to the laptop to a power source or after resuming from suspend. The SSD ...
- 121
1
vote
1
answer
2k
views
I/O error while cp from CD to HDD
I'm trying to create a local repo from my RHEL6 disk. Some of the .rpms I'm able to copy, others give me this error:
cp: reading 'filename': Input/Output error
It's the original RedHat disk, and it ...
- 113