Re: Kernel 2.6.23.9 + mdadm 2.6.2-2 + Auto rebuild RAID1?

2007-12-05 Thread Nix
On 1 Dec 2007, Jan Engelhardt uttered the following: On Dec 1 2007 06:19, Justin Piszcz wrote: RAID1, 0.90.03 superblocks (in order to be compatible with LILO, if you use 1.x superblocks with LILO you can't boot) Says who? (Don't use LILO ;-) Well, your kernels must be on a

Re: raid6 check/repair

2007-12-05 Thread Bill Davidsen
Peter Grandi wrote: [ ... on RAID1, ... RAID6 error recovery ... ] tn The use case for the proposed 'repair' would be occasional, tn low-frequency corruption, for which many sources can be tn imagined: tn Any piece of hardware has a certain failure rate, which may tn depend on things like age,

Re: assemble vs create an array.......

2007-12-05 Thread David Greaves
Dragos wrote: Thank you for your very fast answers. First I tried 'fsck -n' on the existing array. The answer was that If I wanted to check a XFS partition I should use 'xfs_check'. That seems to say that my array was partitioned with xfs, not reiserfs. Am I correct? Then I tried the

Re: raid6 check/repair

2007-12-05 Thread Leif Nixon
[EMAIL PROTECTED] (Peter Grandi) writes: ms I just want to give another suggestion. It may or may not be ms possible to repair inconsistent arrays but in either way some ms code there MUST at least warn the administrator that ms something (may) went wrong. tn Agreed. That sounds instead

Re: Reading takes 100% precedence over writes for mdadm+raid5?

2007-12-05 Thread Jon Nelson
I saw something really similar while moving some very large (300MB to 4GB) files. I was really surprised to see actual disk I/O (as measured by dstat) be really horrible. -- Jon - To unsubscribe from this list: send the line unsubscribe linux-raid in the body of a message to [EMAIL PROTECTED]