On 2007/09/20 19:34 (GMT-0300) Juan Erbes apparently typed:
> 2007/9/20, Felix Miata wrote:
>> Andreas Jaeger wrote:
>> > If you
>> > want that, then use LVM.
>> That may be fine for most people, as that's apparently what the kernel
>> developers expect, as well as the only offering for Fedora users. It's not so
>> good for people with a tried and true multiboot creation, maintenance, backup
>> and restore strategy based upon cloning/copying partitions and a minimal
>> number of physical hard disks per system.
> From the backup point of view, is more secure to use 2 HD, rather than
> only one. Because if You has only one HD, and it got mechanicals or
> controller (internal) problems, the backup of one partition in other
> of the same disk, goes useless.
Additional safety of more disks unless using RAID is an illusion, and then
with RAID you're right back to the limit of 14. To get 28 and safety means
you need 4 disks: 2 for each set of 14 partitions, and matching devices for
the RAID1. Now with 4 disks you have 4 times the opportunity for hardware
failure, and 4 times the cost.
> If You use 2 Hard Disks, then the problem of the 15 partitions is
> resolved, because You can obtain 30 partitions from the 2 HDs.
30 takes 3 devices, because 15 is only the name of the last device, not the
count, which is 14, because on sd[1-4] only 3 can have filesystems.
What makes you think 30 is enough? I have 42+, and don't want to buy 3 times
as many disks and the larger power supplies to feed them, and the extra
electricity/pollution to run them full time. My backups involve (small) part
time usage disks, typically shared among multiple systems.
There are many ways to skin the backup cat, and multiple partitions is a
choice of no small number, including myself.
--
"It yet remains a problem to be solved in human affairs,
whether any free government can be permanent, where the
public worship of God, and the support of religion,
constitute no part of the policy or duty of the state in
any assignable shape."
Chief Justice Joseph Story
Team OS/2 ** Reg. Linux User #211409
Felix Miata *** http://mrmazda.no-ip.com/
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