Re: Software RAID 5 or something else?

2009-01-25 Thread aragonx
I would like to thank everyone for their advice. After considering my situation, I decided to try the software RAID 5 and see what happened. I put my system drive (500GB Western Digital) plus 4 of the RAID drives (750GB Samsung) on the motherboard. One RAID drive is on a PCI-E SATA controller ca

Re: Software RAID 5 or something else?

2009-01-23 Thread Gordon Messmer
arag...@dcsnow.com wrote: My original idea was to put them in a RAID 5 configuration. This sounded good until I started researching RAID controller cards. It looks like it will cost me $520 to get a good PCI-E card (3Ware 8 port). I don't think I want to spend that much if I don't have to. M

Re: Software RAID 5 or something else?

2009-01-23 Thread Bruno Wolff III
On Fri, Jan 23, 2009 at 14:53:34 -0600, Seann Clark wrote: > > The biggest advantage with hardware RAID is you don't need to boot to be > able to fix your RAID. Minor difference for some of your more hardcore > computer guys, and rather trivial, but it is nice to see your RAID is > shatter

Re: Software RAID 5 or something else?

2009-01-23 Thread Bruno Wolff III
On Fri, Jan 23, 2009 at 12:39:44 -0500, arag...@dcsnow.com wrote: > 2) I want to increase my performance. I have benchmarked my read and > write performance to and from this server. Using Samba, I seem to be able > to get about 50Mb/sec reads and 40Mb/sec writes. I am on a gig network > and w

Re: Software RAID 5 or something else?

2009-01-23 Thread Wayne Feick
On Fri, 2009-01-23 at 18:20 +, Alan Cox wrote: > > So considering that, what do you gain from dedicated hardware for RAID? > > You get a commercially supported RAID software and hardware package, and > > you get to unload a bit of CPU from the main system. > > The big thing it saves you on

Re: Software RAID 5 or something else?

2009-01-23 Thread Patrick O'Callaghan
On Fri, 2009-01-23 at 14:53 -0600, Seann Clark wrote: > The biggest advantage with hardware RAID is you don't need to boot to > be > able to fix your RAID. Minor difference for some of your more > hardcore > computer guys, and rather trivial, but it is nice to see your RAID is > shattered prior

Re: Software RAID 5 or something else?

2009-01-23 Thread aragonx
>> 1) Bite the bullet and get the hardware RAID controller. Will this give >> me the performance I want? > > That depends on the rest of the system - you get to play "move the bottleneck". It will then depend on your PCI-X controller, your memory bandwidth and if you have the CPU 8). The 3ware is

Re: Software RAID 5 or something else?

2009-01-23 Thread Seann Clark
Robin Laing wrote: Alan Cox wrote: So considering that, what do you gain from dedicated hardware for RAID? You get a commercially supported RAID software and hardware package, and you get to unload a bit of CPU from the main system. The big thing it saves you on in RAID 1 & 5 is memory bandw

Re: Software RAID 5 or something else?

2009-01-23 Thread Robin Laing
Alan Cox wrote: So considering that, what do you gain from dedicated hardware for RAID? You get a commercially supported RAID software and hardware package, and you get to unload a bit of CPU from the main system. The big thing it saves you on in RAID 1 & 5 is memory bandwidth, and in RAID5 d

Re: Software RAID 5 or something else?

2009-01-23 Thread Alan Cox
> So considering that, what do you gain from dedicated hardware for RAID? > You get a commercially supported RAID software and hardware package, and > you get to unload a bit of CPU from the main system. The big thing it saves you on in RAID 1 & 5 is memory bandwidth, and in RAID5 doubly so for

Re: Software RAID 5 or something else?

2009-01-23 Thread Phil Meyer
arag...@dcsnow.com wrote: Hello all, I had a drive failure a few months back so I decided it was time to rework my home server's storage. Now I have 5 750GB SATA dives and now I need some advice on how to set things up. My original idea was to put them in a RAID 5 configuration. This sounded

Re: Software RAID 5 or something else?

2009-01-23 Thread Seann Clark
arag...@dcsnow.com wrote: Hello all, I had a drive failure a few months back so I decided it was time to rework my home server's storage. Now I have 5 750GB SATA dives and now I need some advice on how to set things up. My original idea was to put them in a RAID 5 configuration. This sounded

Re: Software RAID 5 or something else?

2009-01-23 Thread Chris Tyler
On Fri, 2009-01-23 at 12:39 -0500, arag...@dcsnow.com wrote: > 1) I want to get some redundancy in case of a drive failure. > > 2) I want to increase my performance. I have benchmarked my read and > write performance to and from this server. Using Samba, I seem to be able > to get about 50Mb/se

Re: Software RAID 5 or something else?

2009-01-23 Thread Dave Stevens
On Friday 23 January 2009 09:39:44 am arag...@dcsnow.com wrote: > Hello all, > > I had a drive failure a few months back so I decided it was time to rework > my home server's storage. > > Now I have 5 750GB SATA dives and now I need some advice on how to set > things up. > > My original idea was to

Re: Software RAID 5 or something else?

2009-01-23 Thread Alan Cox
> 1) Bite the bullet and get the hardware RAID controller. Will this give > me the performance I want? That depends on the rest of the system - you get to play "move the bottleneck". It will then depend on your PCI-X controller, your memory bandwidth and if you have the CPU 8). The 3ware is at l

Software RAID 5 or something else?

2009-01-23 Thread aragonx
Hello all, I had a drive failure a few months back so I decided it was time to rework my home server's storage. Now I have 5 750GB SATA dives and now I need some advice on how to set things up. My original idea was to put them in a RAID 5 configuration. This sounded good until I started researc