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Re: LVS use for mass-webhosting companys: Does it make sense ?

To: Kyle Sparger <ksparger@xxxxxxxxxxxxxxxxxxxx>
Subject: Re: LVS use for mass-webhosting companys: Does it make sense ?
Cc: lvs-users@xxxxxxxxxxxxxxxxxxxxxx
From: Stephen Zander <gibreel@xxxxxxxxx>
Date: 14 Apr 2000 12:06:55 -0700
>>>>> "Kyle" == Kyle Sparger <ksparger@xxxxxxxxxxxxxxxxxxxx> writes:
    Kyle> Once you can export a block device over the network, you can
    Kyle> include that device in a software RAID-1 array, which will
    Kyle> handle all the replication for you.

The biggest gotcha I can see is that you're trying to replicate data
in a 'bottom up' fashion using this whereas RAID solutions expect to
work 'top down'.

How do you get the RAID system to recognise changes in the netwrok
block device, other than by forcing the local device to resilver?
AFAICT, that has to be a very manual process.  Wouldn't it be just as
easy to push-mirror off the master server in usersapce using something
like rsync?

-- 
Stephen

"If I claimed I was emporer just cause some moistened bint lobbed a
scimitar at me they'd put me away"


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