immense delayed write to file system (ZFS and UFS2), performance issues

Morgan Wesström freebsd-questions at pp.dyndns.biz
Tue Jan 19 19:45:15 UTC 2010


Emil Mikulic wrote:
> (off-list)
> 
> On Tue, Jan 19, 2010 at 04:32:34PM +0100, Morgan Wesstr?m wrote:
>> Emil Mikulic wrote:
>>> On Tue, Jan 19, 2010 at 09:16:41AM +0100, Gerrit K?hn wrote:
>>>> Thanks for bringing up this topic here. I have drives showing up close to
>>>> 800000 load cycle counts here. Guess it's time for that fix... :-|
>>> Device Model:     WDC WD10EACS-00ZJB0
>>> Firmware Version: 01.01B01
>>> Serial Number:    WD-WCASxxxxxxxx
>>> [...]
>>>   9 Power_On_Hours   17046
>>> 193 Load_Cycle_Count 1045512
>>>
>>> The above drive is in a raidz of three.
>>> The other two drives from that batch have already failed.  :(
>> Did you RMA the failing drives? Did WD comment the Load_Cycle_Count?
> 
> No.  But apparently they're still under warranty, so maybe I'll give
> that a shot and let you know in ~3 weeks or so.  :)
> 
Thanks. I'd be really interested to know whether they'll make any
comments regarding that value or if they simply ignore it.
/Morgan


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