Re: RAID rebuild on Create

2007-04-30 Thread David Greaves
Jan Engelhardt wrote: > Hi list, > > > when a user does `mdadm -C /dev/md0 -l -n > `, the array gets rebuilt for at least RAID1 and RAID5, even if > the disk contents are most likely not of importance (otherwise we would > not be creating a raid array right now). Could not this needless resy

RE: RAID rebuild on Create

2007-04-30 Thread Jan Engelhardt
On Apr 30 2007 13:54, [EMAIL PROTECTED] wrote: > >But then the array needs to keep track of where data is so that it knows >what is "good" and what is "bad." I assume it knows that, because you can reboot while an array is still syncing and it Does The Right Thing. Furthermore, there is also the

RE: RAID rebuild on Create

2007-04-30 Thread Patrick_Boyd
But then the array needs to keep track of where data is so that it knows what is "good" and what is "bad." Instead it takes the array to a known good state to start out with and you don't have to start out with blank disks. -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECT

Re: RAID rebuild on Create

2007-04-30 Thread Jan Engelhardt
On Apr 30 2007 11:19, Dan Williams wrote: >> >> when a user does `mdadm -C /dev/md0 -l -n >> `, the array gets rebuilt for at least RAID1 and RAID5, even if >> the disk contents are most likely not of importance (otherwise we would >> not be creating a raid array right now). Could not this need

Re: RAID rebuild on Create

2007-04-30 Thread Dan Williams
On 4/30/07, Jan Engelhardt <[EMAIL PROTECTED]> wrote: Hi list, when a user does `mdadm -C /dev/md0 -l -n `, the array gets rebuilt for at least RAID1 and RAID5, even if the disk contents are most likely not of importance (otherwise we would not be creating a raid array right now). Could not t

RAID rebuild on Create

2007-04-30 Thread Jan Engelhardt
Hi list, when a user does `mdadm -C /dev/md0 -l -n `, the array gets rebuilt for at least RAID1 and RAID5, even if the disk contents are most likely not of importance (otherwise we would not be creating a raid array right now). Could not this needless resync be skipped - what do you think?

[PATCH 16/36] Use menuconfig objects II - MD

2007-04-30 Thread Jan Engelhardt
Change Kconfig objects from "menu, config" into "menuconfig" so that the user can disable the whole feature without having to enter the menu first. Signed-off-by: Jan Engelhardt <[EMAIL PROTECTED]> --- drivers/md/Kconfig | 15 +-- 1 file changed, 5 insertions(+), 10 deletions(-)