No one has any idea on my questions?
--- On Wed, 9/16/09, adfas asd <chimera_god@xxxxxxxxx> wrote:
> From: adfas asd <chimera_god@xxxxxxxxx>
> Subject: Remote NAS
> To: linux-raid@xxxxxxxxxxxxxxx
> Date: Wednesday, September 16, 2009, 9:21 AM
> A couple questions about MD RAID10:
>
> Right now I'm RAIDing two 2TB drives in RAID10offset2. Need
> to add some drives and maybe I'll remote them using NAS (GB
> ethernet), for fire and theft protection.
>
> So could the BIOS actually boot this if 2 drives are in the
> machine and 2 are in the garage? Is there a way to specify
> in mdadm that the two in the garage are mirrored from the
> two in the system?
>
> Is GB ethernet NAS noticably slower than eSATA? Is it
> reliable?
>
> What if I use the mobo's e-SATA port to add 5 external
> drives locally. This would require a port multiplier. I
> presume it would not be bootable, since a port multiplier
> needs OS support? Or would something go in initrd.img?
> Or would I need an individual boot drive to get things up?
>
> Using the array to store MythTV recordings (very large
> files), but when it does commercial flagging (lots of
> writes) the array is so busy that GUI response is very
> slow. I've set readahead cache to optimal (4096, after
> testing most sizes), so read should be OK. I know far
> is optimized for read, so I chose offset in hopes it would
> bring up write speed. Is there a way to speed up
> writes?
>
>
>
>
>
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