Re: [CentOS] OT: Suggestions for RAID HW for 2SATA drivesin DellPowerEdge SC

2007-09-01 Thread Feizhou
For 2 SATA hard disks used for the OS I think HW RAID is overkill. Depends. HW RAID + BBU CACHE vs SW RAID vs SW RAID + NVRAM...You cannot say overkill in certain cases. I only say that because if one is really looking for high performance then more spindles then 2 will be the first thing to

RE: [CentOS] OT: Suggestions for RAID HW for 2SATA drivesin DellPowerEdge SC

2007-08-31 Thread Ross S. W. Walker
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Feizhou > > >> Another route you can go is getting a PCI/PCIe/PCI-X BBU > >> RAM/NVRAM card > >> to put an external journal on to speed up fsync performance for > >> filesystems like ext3 over software raid since these cards > >>