On Apr 29, 2010, at 7:47 AM, Robert Noland wrote:
>=20
>=20
> Scott Long wrote:
>> On Apr 29, 2010, at 2:50 AM, Pete French wrote:
>>>> Thanks. First step successful - I can steadily reproduce problem on
>>>> CURRENT. raidtest with 200 I/O streams over gmirror of two disks on =
same
>>>> channel triggers issue in seconds. Any I/O on channel dying after =
both
>>>> disks report "Queue full" error same time. The rest of system works
>>>> fine. If I preliminarily manually adjust queue depth of one disk -
>>>> everything works fine. I'll investigate it tomorrow.
>>> Glad you have managed to dupliate it - the queue depth thing is
>>> inetersting, what changes did you make ? I can try them here and see
>>> if they improve the situation on either of my two machines.
>>>=20
>> For the record, queue-full is a common, expected condition in CAM. =
It's not something that should be avoided =3D-)
>=20
> Should we maybe have a counter in sysctl rather than flooding the =
console with these messages then?
That's a pretty good idea. I'll make it happen.
Scott
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