Re: Raid sync observations

2005-12-21 Thread Sebastian Kuzminsky
Andy Smith [EMAIL PROTECTED] wrote: On Wed, Dec 21, 2005 at 12:55:47PM +1100, Christopher Smith wrote: Why would you use RAID6 and not RAID10 with four disks ? I was wondering the same thing. It's true that RAID6 is guaranteed to still run degraded after losing 2 devices, whereas a RAID10

Re: RAID5 resync question BUGREPORT!

2005-12-21 Thread Neil Brown
On Monday December 19, [EMAIL PROTECTED] wrote: - Original Message - From: Neil Brown [EMAIL PROTECTED] To: JaniD++ [EMAIL PROTECTED] Cc: linux-raid@vger.kernel.org Sent: Monday, December 19, 2005 1:57 AM Subject: Re: RAID5 resync question BUGREPORT! How big is your array?

Re: RAID0 performance question

2005-12-21 Thread Neil Brown
On Tuesday November 22, [EMAIL PROTECTED] wrote: I have already try the all available options, including readahead in all layer (result in earlyer mails), and chunksize. But with this settings, i cannot workaround this. And the result is incomprehensible for me! The raid0 performance is not