Re: [ADSM-L] TSM 6 Log Mirroring

Subject:	Re: [ADSM-L] TSM 6 Log Mirroring - 3 methods?
From:	Remco Post <r.post AT PLCS DOT NL>
To:	ADSM-L AT VM.MARIST DOT EDU
Date:	Thu, 3 Mar 2011 22:19:54 +0100

On 3 mrt 2011, at 16:16, Roger Deschner wrote:

> There are three methods of TSM 6 log mirroring. What are their pros and
> cons?
> 
> 1. TSM/DB2 Active Log Mirror in software
> 2. Hardware Array Mirroring (RAID1/RAID10)
> 3. OS such as AIX LVM mirroring
> 
> I know that in Version 5, TSM software log mirroring provided somewhat
> better recoverability compared to the other two methods. Is that still
> true in Version 6? Or should I just go with hardware RAID.


DB2/TSM6 has log mirroring, as you can read in the installation guide. Database 
mirroring OTOH is a completely different story, I'd go with HW raid 
(metro/global mirror) or LVM mirroring.

-- 
Met vriendelijke groeten/Kind Regards,

Remco Post
r.post AT plcs DOT nl
+31 6 248 21 622

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Re: [ADSM-L] TSM 6 Log Mirroring - 3 methods?