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SubjectRe: A puzzling thing about RAID5: syslogd write the log success but another process can not read the /var/log/messages
thank for your comments

I should say that this question maybe end up without any reasonable result,
the system is now work well , I have give up investigating this problem
any more.
maybe the question is just cause by the RAID card crash.

Neil Brown wrote:

>On Wednesday April 7, lmb@suse.de wrote:
>
>
>>On 2004-04-07T21:24:01,
>> Gewj <geweijin@sinosoft.com.cn> said:
>>
>>
>>
>>>hammm,tonight is funny because I got a puzzling thing just as....
>>>
>>>my setup is a two-scsi-disk raid5 configuration...
>>>
>>>
>>Impossible. RAID5 requires at least three disks.
>>
>>
>
>Wrong. RAID5 works fine with just two drives. Try it.
>
>NeilBrown
>
>(I admit that there isn't a lot of point doing raid5 with two drives
>as raid1 should provide identical functionality with better
>performance, but it makes an interesting base-line for performances
>tests on N-drive arrays).
>
>-
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