RAID5 rebuild with a bad source drive fails

2007-11-24 Thread Jim Klimov
Hello linux-raid, I have a home fileserver which used a 6-disk RAID5 array with old disks and cheap IDE controllers (all disks are IDE masters). As was expected, sooner or later the old hardware (and/or cabling) began failing. The array falls apart, in particular currently it has 5 working

raid5 reshape/resync

2007-11-24 Thread Nagilum
Hi, I'm running 2.6.23.8 x86_64 using mdadm v2.6.4. I was adding a disk (/dev/sdf) to an existing raid5 (/dev/sd[a-e] - md0) During that reshape (at around 4%) /dev/sdd reported read errors and went offline. I replaced /dev/sdd with a new drive and tried to reassemble the array (/dev/sdd was

Re: md RAID 10 on Linux 2.6.20?

2007-11-24 Thread Peter Grandi
On Thu, 22 Nov 2007 22:09:27 -0500, [EMAIL PROTECTED] said: [ ... ] a RAID 10 personality defined in md that can be implemented using mdadm. If so, is it available in 2.6.20.11, [ ... ] Very good choice about 'raid10' in general. For a single layer just use '-l raid10'. Run 'man mdadm', the

Re: HELP! New disks being dropped from RAID 6 array on every reboot

2007-11-24 Thread Bill Davidsen
Joshua Johnson wrote: Greetings, long time listener, first time caller. I recently replaced a disk in my existing 8 disk RAID 6 array. Previously, all disks were PATA drives connected to the motherboard IDE and 3 promise Ultra 100/133 controllers. I replaced one of the Promise controllers with

Re: HELP! New disks being dropped from RAID 6 array on every reboot

2007-11-24 Thread Joshua Johnson
On Nov 24, 2007 12:20 PM, Bill Davidsen [EMAIL PROTECTED] wrote: Does that match what's in the init files used at boot? By any chance does the information there explicitly list partitions by name? If you change to PARTITIONS in /etc/mdadm.conf it won't bite you until you change the detected