Lots of disks.

Greg 'groggy' Lehey grog at FreeBSD.org
Tue Dec 9 17:17:01 PST 2003


On Monday,  8 December 2003 at 14:05:28 +0000, Lewis Thompson wrote:
> Hi,
>
> I'm currently using vinum to concatenate two large (120GB) disks,
> providing a single large(r) valume (240GB in theory ;).
>
>   At the moment the volume is about 90% full and I'm looking to add
> three more 120GB disks and set up RAID5.  This is somewhat offtopic (not
> entirely sure if it is FreeBSD or not) but if I were to put two 120GB
> disks per channel and buy an ATA controller for my PCI bus and put
> another disk (or some combination of this sort) would Vinum be able to
> handle it?

Vinum would have no problem with it.  Unless you're using tagged
queueing, though, you're going to slow things down by putting more
than one disk on an ATA channel.

>   Is it even possible to have >4 IDE disks?

Yes.

> I know the performance would be terrible but I have considered this
> and realised it is irrelevant since the box only has a 10Mbit
> connection (it's for storing large data files (videos, etc.)).

In that case you shouldn't have too much trouble.

Greg
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