Re: [BUG?] count of "Spare Devices" wrong after fail/remove/add

[Friedrich Lobenstock <fl@fl.priv.at>]

Neil Brown wrote:
> On Tuesday January 21, fl@fl.priv.at wrote:
>>  Active Devices : 2
>>Working Devices : 2
>>  Failed Devices : 0
>>   Spare Devices : 2
>>
>>
>>     Number   Major   Minor   RaidDevice State
>>        0       3        1        0      active sync   /dev/hda1
>>        1      22        1        1      active sync   /dev/hdc1
>>            UUID : d876333b:694e852b:e9a6f40f:0beb90f9
>>
>>I do wounder why I've got 2 spare drives despite the fact that I
>>did not add any. I've just got two drives in this raid1 that's it.
> 
> Yes, it's probably a bug in the kernel code. The counting in the 2.4 code is very
> clumsy.  I think it is benign so it wont be fixed.  The code in 2.5 is
> very different and shouldn't have this problem.

Ok. Just wanted to let you know.


>>PS: Array Size : 40209024 (38.35 GiB 41.22 GB)
>>should IMHO be
>>     Array Size : 40209024 (38.35 GiB 40.21 GB)
> 
> I disgree. An array side of 40209024 means that many kibibytes.
> i.e. 40209024 * 1024 which is
>    41174040576  bytes.
> 

Hmmm...why don't we forget about this kibibytes sh.. anyways,
it's not worth the troubles IMHO.

-- 
MfG / Regards
Friedrich Lobenstock