Re: Raid corruption problems.

2006-12-24 Thread John McMonagle
Bill Davidsen wrote: John McMonagle wrote: Have a raid1 backup server that seems to get corrupted. This is the 3rd time in about a year. Have 2 other backup servers that were cloned from this one that have no problems. Done a couple kernel upgrades recently. Now has 2.6.18-2 kernel

Raid corruption problems.

2006-12-15 Thread John McMonagle
Have a raid1 backup server that seems to get corrupted. This is the 3rd time in about a year. Have 2 other backup servers that were cloned from this one that have no problems. Done a couple kernel upgrades recently. Now has 2.6.18-2 kernel. It's based on Debian sarge. It's a low end Intel

Re: RAID-5 recovery

2006-09-06 Thread John McMonagle
Neil Brown wrote: On Sunday September 3, [EMAIL PROTECTED] wrote: On Sun, 3 Sep 2006, Clive Messer wrote: This leads me to a question. I understand from reading the linux-raid archives that the current behaviour when rebuilding with a single badblock on another disk is for that disk to

Re: RAID10 vs. LVM on RAID1

2005-08-23 Thread John McMonagle
I did lvm over 2 raid 1 arrays recently. Running dd on the lv gives about 3 times the drive speed. Should be 4 times . I hate to give up performance but I'm willing to live with it as lvm makes disk management so much easier. John Gregory Seidman wrote: Is there any advantage to

Re: Can uuid of raid array be changed?

2005-04-18 Thread John McMonagle
Luca Berra wrote: On Sun, Apr 17, 2005 at 05:04:13PM -0500, John McMonagle wrote: Need to duplicate some computers that are using raid 1. I was thinking of just adding adding an extra drive and then moving it to the new system. The only problem is the clones will all have the same uuids

optimum blockdev --setra settings

2005-04-18 Thread John McMonagle
Anyone establish optimum blockdev --setra settings for raid on a 2.6 kernel? There has been some discussions on the lvm mailing list. In the case of lvm on raid sounds like it's best to use 0 on the md and disk devices and something around 1024 and 4096 on the lvm devices. It seems make some

Can uuid of raid array be changed?

2005-04-17 Thread John McMonagle
Need to duplicate some computers that are using raid 1. I was thinking of just adding adding an extra drive and then moving it to the new system. The only problem is the clones will all have the same uuids. If at some later date the drives got mixed up I could see a possibilities for disaster.

Add a spare to raid5 array?

2005-03-09 Thread John McMonagle
Can a spare be added to an existing raid 5 array? I do not see any way to do it. John - To unsubscribe from this list: send the line unsubscribe linux-raid in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html