A little story of failed raid5 (3ware 8000 series)

Darren Pilgrim freebsd at bitfreak.org
Tue Aug 21 09:12:57 PDT 2007

Artem Kuchin wrote:
> Darren Pilgrim wrote:
>> Artem Kuchin wrote:
>>> That exactly was i was talking about. I don't acess to individual
>>> disks 
>>> behind raid unit, so, i cannot doit. I don't know it controller
>>> VERIFY command does it right. If it doesm then i shoudl put it into
>>> a cron 
>>> job and do it on weekly basis. Also, it would halpfull it i could
>>> get access to number of left reserved sector for remapping. Any idea
>>> about these two for 3ware controllers? Also, someone should mention,
>>> that while using raid MUST 
>>> do verifies often.
>> The 3dm2 software (sysutils/3dm port) can dump the SMART data from
>> individual disks.  It can also schedule verify and self-test tasks and
>> identify individual drives by blinking the activity light for the
>> drive. _______________________________________________
> Problems are:
> 1) how to parse this dump of data?

Actually smartctl (part of smartmontools) can read the SMART data 
through a 3ware controller.

> 2) No scheduling is available on 7000,8000 on 4 port models

Use tw_sched then.

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