> On Mon, Jan 18, 1999 at 02:43:31PM -0800, Aaron D. Turner wrote:
> > Performance is going to *suck* with 5 IDE disks, assuming of course you
> > can actually get 3 IDE controllers to work in the same box.
>
> OK, what's the bottleneck here? The track-to-track seeks, bandwidth,
> cpu use seem
>
> yes, the 0.42-raidtools => 0.90 upgrade problem for RAID1 is fixed. (if
> you have an old RAID1 config, about the only thing to do is to add
> chunksize to the config file, any value will do, say 32k. Then do the
> --upgrade, it will upgrade without data loss)
>
> -- mingo
What about for a
> Has anyone tried a DPT RAID card? Specifically, I am looking at the
> following model:
> PM2144UWR
> PCI-to-Ultra/Wide High-Performance SCSI RAID Controller
> High-performance, single-channel PCI-to-Ultra/Wide SCSI RAID controller.
> Includes PM2144UW Ultra/Wide SCSI Adapter (more powerful
> p
> DTP, (or is it DPT?) includes linux drivers standard withtheir RAID cards,
> and there are several other vendors as well.
its DPT, and though their cards work under linux , the RAID array
management software only works under DOS. ICP-Vortex offers RAID
management software for theeir RAID cards
>
> Hardware involved is a Compaq Proliant 6500R, with hot-swap SCSI tray,
> etc. Linux's RAID support allows me to cover the case of mounted
> filesystems, including the / fs, but I can't seem to put swap onto a RAID1
> device, so I need some other way of making sure a dead drive won't take
> l
> Just wondering what the linux raid folk are using for hot swappable
> carriers. I haven't been able to find a brand I'm happy with (tried
> Antec and Kingston brands).
>
k
Try megadrive (www.megadrive.com). we have some for a proprietary
Panasonic nonlinear editor, and they are of very good
> > in 2.1 kernels you can mak nfs a block device. raid can work with block
> > devices so if you raid5 several nfs computers one can go down, but you
> > still can go on.
>
> you probably want to use Stephen Tweedie's NBD (Network Block Device),
> which works over TCP and is such more reliable
