> But what I can't understand - why such non-critical(as it seems to me)
> disk activity, cause 100% busyness for disk?
Others have pointed out the effect of seeking.
It would be very useful if there was a way to nice I/O up or down
the way we can nice CPU usage up or down. Then non-critical
dis
Roman Gorohov. wrote:
-CUT-
That seems like true, and I forget to mention that 2/3 of swap is
located at physical disk(da0).
[EMAIL PROTECTED] ~]#swapinfo
Device 1K-blocks UsedAvail Capacity Type
/dev/da0s1b524160 4633006086088%Interleaved
/dev/rvn0b
Roman Gorohov. wrote:
> But what I can't understand - why such non-critical(as it seems to me) disk
> activity,
> cause 100% busyness for disk? Its claim to be 40.000MB/s transfers, but
> sometimes its 100% busy when iostat show only 1 MB/s.
Because disk seeks count. If you have a lot of small t
On 03/22/07 08:20, Roman Gorohov. wrote:
Hi, Oliver.
Thanks for explanations.
Roman Gorohov. <[EMAIL PROTECTED]> wrote:
>> Hello list.
>> There is a server with FreeBSD FreeBSD 4.11-STABLE(can't upgrade fornow) on
HP ProLiant DL140.
>> Disk system: at scbus0 target 0 lun0(pass0,da0)
on a
Hi, Oliver.
Thanks for explanations.
> Roman Gorohov. <[EMAIL PROTECTED]> wrote:
>> Hello list.
>> There is a server with FreeBSD FreeBSD 4.11-STABLE(can't upgrade fornow) on
>> HP ProLiant DL140.
>> Disk system: at scbus0 target 0 lun0(pass0,da0)
>> on a ASC-29320A.
>> If I do:
>> [EMAI
Roman Gorohov. <[EMAIL PROTECTED]> wrote:
> Hello list.
> There is a server with FreeBSD FreeBSD 4.11-STABLE(can't upgrade fornow) on
> HP ProLiant DL140.
> Disk system: at scbus0 target 0 lun0(pass0,da0) on
> a ASC-29320A.
> If I do:
> [EMAIL PROTECTED] ~]#dd if=/dev/zero of=bigfile bs=6
Hello list.
There is a server with FreeBSD FreeBSD 4.11-STABLE(can't upgrade fornow) on HP
ProLiant DL140.
Disk system: at scbus0 target 0 lun0(pass0,da0) on a
ASC-29320A.
If I do:
[EMAIL PROTECTED] ~]#dd if=/dev/zero of=bigfile bs=64k count=5000
5000+0 records in
5000+0 records out
32768 by
