[Asterisk-biz] SATA Drives RAID 1.. and Asterisk .. someone?
jongsuk.lee at gmail.com
Fri Nov 5 01:05:58 MST 2004
not recommending. burnt 2 sata driver with raid setup.
if you want to go with that setup, go with most updated kernel or distro.
On Thu, 04 Nov 2004 15:15:58 -0500, Tony Nichols <tony at mail.applog.com> wrote:
> I've been using a lsi megaraid in raid5 for a couple months now. Easy to
> setup and .... so far so good.
> t o n y
> On Thu, 2004-10-21 at 20:48, Darryl Ross wrote:
> > Michael Welter wrote:
> > > Carlos Hernandez wrote:
> > >
> > >> Hello all:
> > >>
> > >> could someone please mention your experiences with SATA or IDE RAID-1
> > >> installations for Asterisk?
> > >>
> > >> I need to recommend a hardware solution.
> > >>
> > >> This machine will only have a TDM card and a few IP phones..to start
> > >> with,
> > >> but they might grow.
> > >>
> > > Don't do software RAID. When it becomes necessary to re-sync a drive,
> > > it pegs the processor, and voice "quality" is terrible. N.B. An
> > > abnormal shutdown will cause a re-sync.
> > We've just built a couple of machines based around the MSI P1-102A2M with a 3.0GHz Prescott and
> > 2Gb RAM. With Hitachi 250Gb SATA hard drives we got a RAID1 sync rate of 55MBps sustained, with
> > the CPU usage not going over 5%. It did a mkfs.ext3 in under 4 minutes.
> > I don't think the "don't use software RAID on any important machines" mindset is valid any
> > longer. Perhaps back in the days of P2s and P3s (kernel 2.2 days), but modern machines have
> > enough headroom to not even worry about it, and the software RAID support in the later 2.4
> > kernels is very good.
> > Information on the system is at
> > http://www.msi.com.tw/program/products/server/svr/pro_svr_detail.php?UID=551
> > > I've had good luck with 3Ware PCI cards. Stay away from SIIG cards.
> > We have also had a good experience with the 3ware cards (7506-4 and 7506-8). The only issue we
> > have had with them is that for RAID5 they were slower than the software RAID5 on my P3-1GHz!
> > For RAID0 or RAID1 they absolutely fly though.
> > Regards
> > Darryl
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