Re: raid1 on ide decreases read performance

1999-05-27 Thread Joachim Zobel
At 23:17 23.05.99 +0200, you wrote: > >raid-1 also increases read performance. It can do reads just like raid0, >because both disks contain the same data. It doesn't read the same block >from both disks and compare, instead it reads like from a stripe set (raid0). > >At least that's the theory.

raid1 on ide decreases read performance

1999-05-21 Thread Joachim Zobel
Hi, I`m running raidtools-0.41 on a P75. I'm using raid1 because I know there will be a day when one of my disks will fail. There are three ide disks and a cdrom. Running hdparm on md0 and its components gives me: dilbert:/root # hdparm -tT /dev/hdd1 /dev/hda6 /dev/md0 /dev/hdd1: Timing buff

Re: Linux failover raid system? (FAQ?)

1999-02-14 Thread Joachim Zobel
At 16:37 12.02.99 +0100, you wrote: >Hi there. > >First of all, I have been looking through a lot of documents today - I am >sorry if I missed one that covers my question - please point it to me if >that is the case. Maybe http://metalab.unc.edu/pub/Linux/ALPHA/linux-ha/High-Availability-HOWTO.ht

Little quirk while setting up raid1

1999-01-16 Thread Joachim Zobel
Hi, i've got a raid1 with 0.90 up and running. Cool. Autorebuild was definitely a feature i wanted to have. While doing the mkraid --force i accidentially mounted the /dev/md without ext2fsing it. This probably damaged the persistent superblock and mkraid stopped. Redoing the mkraid was not pos