From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Nigel J. Terry" <nigel@nigelterry.net>
Subject: Re: Raid5 reshape
Date: Mon, 19 Jun 2006 19:35:10 -0400
Message-ID: <449734AE.10907@nigelterry.net>
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To: Neil Brown <neilb@suse.de>
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Neil Brown wrote:
> On Monday June 19, nigel@nigelterry.net wrote:
>   
>> One comment - As I look at the rebuild, which is now over 20%, the time 
>> till finish makes no sense. It did make sense when the first reshape 
>> started. I guess your estimating / averaging algorithm doesn't work for 
>> a restarted reshape. A minor cosmetic issue - see below
>>
>> Nigel
>> [nterry@homepc ~]$ cat /proc/mdstat
>> Personalities : [raid5] [raid4]
>> md0 : active raid5 sdb1[1] sda1[0] hdc1[4](S) hdb1[2]
>>       490223104 blocks super 0.91 level 5, 128k chunk, algorithm 2 [4/3] 
>> [UUU_]
>>       [====>................]  reshape = 22.7% (55742816/245111552) 
>> finish=5.8min speed=542211K/sec
>>     
>
> Hmmm..... I see.
> This should fix that, but I don't expect you to interrupt your reshape
> to try it.
>
> Thanks,
> NeilBrown
>
>   
I have nothing better to do, I'll give it a go and let you know...