Tagged Questions
1
vote
1answer
82 views
Does symlinking from Drive A to Drive B affect I/O on Drive A?
I was wondering if IO through a symbolic link affects IO on the host drive even if it points to a seperate drive?
My setup is,
/dev/sdb2 1.8T 443G 1.3T 26% /home1
/dev/sda3 1.8T 1.7T ...
2
votes
1answer
738 views
I/O error but no bad block is reported in syslog
I got errors like this in my syslog, but there's no bad block or sector defined in kernel report, I can't just replace the HDD right now and I prefer to reallocate the bad blocks for now, so I need ...
4
votes
2answers
1k views
How to Throttle per process I/O to a max limit?
I'm looking for a way to limit a processes disk io to a set speed limit. Ideally the program would work similar to this:
$ limitio --pid 32423 --write-limit 1M
Limiting process 32423 to 1 megabyte ...
18
votes
3answers
522 views
How can I limit the output speed of stdout?
I'm running CentOS 5.7 and I have a backup utility that has the option of dumping its backup file to stdout. The backup file is rather large (multiple gigabytes). The target is an SSHFS filesystem. To ...
2
votes
2answers
415 views
vmstat IO stats: why the high bo during a download?
On my RHEL 4 machine, I was downloading a huge file (2.5GB)..I was checking the output of vmstat and was especially curious about seeing the disk IO using bi and bo. I know iostat is a better tool ...
1
vote
1answer
404 views
iostat usage and output
When I run the iostat command like this:
iostat -d
I get a result something like this:
Linux 2.6.18-238.el5 (mon01) 09/03/2011
Device: tps Blk_read/s Blk_wrtn/s Blk_read ...
4
votes
2answers
1k views
Hight iowait while the wMB/s is low
I was indexing a MySQL table. It makes a high load on that computer.
It seems due to a high iowait. But it also shows that the wMB/s is only 2.87.
Isn't even a common SATA HDD able to handle more ...
