[CentOS] RAID help

Tue Dec 14 21:08:11 UTC 2010
Markus Falb <markus.falb at fasel.at>

On 14.12.2010 19:49, m.roth at 5-cent.us wrote:
> Hey, Jason,
> Jason T. Slack-Moehrle wrote:
>> I have a new system with 2 Seagate 1TB SATA Enterprise level drives in it.
>> I want to RAID1 (mirror) these drives.
> <snip>
>> So if I simplify, I must:
>> 1. Create a software raid partition on each drive
>> 2. Create a RAID 1 out of that partition and use a mount point of /boot
> Only if you want to mirror the boot partition.
>> 3. Create other mount points I might want i.e swap, /home, etc
>> 4. Create RAID1 out of these partitions
> Only if you want each directory RAIDed. DO NOT mirror swap. Bad idea.
> <snip>

I am surprised. I always done /boot partitions as raid 1 and I always
did swap as raid 1 and therefore I would be interested about any
arguments (well better facts) against doing so.

Best Regards,
Markus Falb

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