Re: Question: array locking, possible?

2006-02-09 Thread Chris Osicki
It looks like we are the only two md users interested in such a feature. Not enough to get Neil's attention ;-) Regards, Chris On Wed, 8 Feb 2006 21:45:33 +0100 Jure Peèar [EMAIL PROTECTED] wrote: On Wed, 8 Feb 2006 11:55:49 +0100 Chris Osicki [EMAIL PROTECTED] wrote: I was

Re: create a partial raid5

2006-02-09 Thread Troels Bang Jensen
Oh yeah, it's possible - I've done it in connection with disaster recovery (or rather, attempt thereof). The key is to write 'missing' instead of the device name, so you just go mdadm -C /dev/md0 --raid-level=5 --raid-devices=3 /dev/hdxx /dev/hdyy missing -note that the missing drive can

Re: Kernels and MD versions (was: md: Introduction - raid5 reshape mark-2)

2006-02-09 Thread Mr. James W. Laferriere
Hello Patrik , On Wed, 8 Feb 2006, Patrik Jonsson wrote: Neil Brown wrote: I always make them against the latest -mm kernel, so that would be a good place to start. However things change quickly and I can't promise it will apply against whatever is the 'latest' today. If you would

RE: Question: array locking, possible?

2006-02-09 Thread Stern, Rick (Serviceguard Linux)
There is more interest, just not vocal. May want to look at LVM2 and its ability to use tagging to control enablement of VGs. This way it is not HW dependent. -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Chris Osicki Sent: Thursday, February 09, 2006

Re: Question: array locking, possible?

2006-02-09 Thread Luca Berra
On Thu, Feb 09, 2006 at 10:28:58AM -0800, Stern, Rick (Serviceguard Linux) wrote: There is more interest, just not vocal. May want to look at LVM2 and its ability to use tagging to control enablement of VGs. This way it is not HW dependent. I believe there is space in md1 superblock for a

Re: Question: array locking, possible?

2006-02-09 Thread Neil Brown
On Thursday February 9, [EMAIL PROTECTED] wrote: It looks like we are the only two md users interested in such a feature. Not enough to get Neil's attention ;-) :-) Just because I haven't said anything doesn't mean I'm not listening. Cluster awareness is definitely on my radar. I have