Re: [PERFORM] Arguments Pro/Contra Software Raid

2006-05-10 Thread Florian Weimer
* Hannes Dorbath: > + Hardware Raids might be a bit easier to manage, if you never spend a > few hours to learn Software Raid Tools. I disagree. RAID management is complicated, and once there is a disk failure, all kinds of oddities can occur which can make it quite a challenge to get back a non

Re: [PERFORM] Arguments Pro/Contra Software Raid

2006-05-09 Thread William Yu
William Yu wrote: We upgraded our disk system for our main data processing server earlier this year. After pricing out all the components, basically we had the choice of: LSI MegaRaid 320-2 w/ 1GB RAM+BBU + 8 15K 150GB SCSI or Areca 1124 w/ 1GB RAM+BBU + 24 7200RPM 250GB SATA My mistake

Re: [PERFORM] Arguments Pro/Contra Software Raid

2006-05-09 Thread Joshua D. Drake
Vivek Khera wrote: On May 9, 2006, at 11:51 AM, Joshua D. Drake wrote: Sorry that is an extremely misleading statement. SATA RAID is perfectly acceptable if you have a hardware raid controller with a battery backup controller. And dollar for dollar, SCSI will NOT be faster nor have the hard

Re: [PERFORM] Arguments Pro/Contra Software Raid

2006-05-09 Thread Vivek Khera
On May 9, 2006, at 11:51 AM, Joshua D. Drake wrote: Sorry that is an extremely misleading statement. SATA RAID is perfectly acceptable if you have a hardware raid controller with a battery backup controller. And dollar for dollar, SCSI will NOT be faster nor have the hard drive capacity

Re: [PERFORM] Arguments Pro/Contra Software Raid

2006-05-09 Thread Bruno Wolff III
On Tue, May 09, 2006 at 12:10:32 +0200, "Jean-Yves F. Barbier" <[EMAIL PROTECTED]> wrote: > Naa, you can find ATA &| SATA ctrlrs for about EUR30 ! But those are the ones that you would generally be better off not using. > Definitely NOT, however if your server doen't have a heavy load, the > so

Re: [PERFORM] Arguments Pro/Contra Software Raid

2006-05-09 Thread Grega Bremec
-BEGIN PGP SIGNED MESSAGE- Hash: RIPEMD160 Hannes Dorbath wrote: > Hi, > > I've just had some discussion with colleagues regarding the usage of > hardware or software raid 1/10 for our linux based database servers. > > I myself can't see much reason to spend $500 on high end controller >