Re: fr1-2.16 patch for 2.6.10 kernel

In article <[email protected]> you wrote:
> Peter T. Breuer a ?crit :
> >    657  19:48   sudo raidhotadd /dev/md0 /dev/loop1
> >    658  19:48   sudo raidsetfaulty /dev/md0 /dev/loop1
> >    659  19:48   cat /proc/mdstat
> >    660  19:48   sudo raidhotadd /dev/md0 /dev/loop1
> >    661  19:48   sync
> > 
> > and no kernel oops. Am I supposed to dirty the array to get the problem?
> No, the problem occurs even if you don't wait the total reconstuction for fault/add.
> But do you have the "bitmap f7cbb740 already active!" message when failing disk ?

betty:/usr/local/src/linux-2.6.3% dmesg | grep already
raid1: bitmap c93e1900 already active!
raid1: bitmap c93e1900 already active!
raid1: bitmap c93e1900 already active!
betty:/usr/local/src/linux-2.6.3% 

A closer look ...


md0: md_check_recovery 1: cleared recovery bits on sb ce0f8400
md0: md_check_recovery 2: cleared recovery bits on sb ce0f8400
raid1: Disk failure on loop1, disabling device. 
        Operation continuing on 1 devices
raid1: bitmap c93e1900 already active!
                       ^^^^^^^^^^^^^^^ looks harmless.
md0: md_check_recovery 2: cleared recovery bits on sb ce0f8400
md: trying to hot-add loop1 to md0 ... 
md0: repair of faulty disk 700001!
md: trying to remove loop1 from md0 ... 
md0: notifying dev 700001 it is no longer in array
md: unbind<loop1>
md: export_rdev(loop1)
md0: repairing old mirror component 700001 (disk 7 >= bitmap 0)
md: bind<loop1>
md0: notifying dev 700001 it is now in array
md0: set repair bit to 1 on superblock ce0f8400
md0: md_check_recovery 2: cleared recovery bits on sb ce0f8400
md0: md_check_recovery 2: restored repair bit on sb ce0f8400
RAID1 conf printout:
 --- wd:1 rd:2
 disk 0, wo:0, o:1, dev:loop0
 disk 1, wo:1, o:1, dev:loop1
md: syncing RAID array md0 (sb ce0f8400)
md: minimum _guaranteed_ reconstruction speed: 1000 KB/sec/disc.
md: using maximum available idle IO bandwith (but not more than 200000
KB/sec) f
or reconstruction.
md: using 128k window, over a total of 4032 blocks.
md0: repair bit set on sb so retained bitmap c93e1900
raid1: skipped clean sectors 0-8063
md: md0: sync done.
RAID1 conf printout:
 --- wd:2 rd:2
 disk 0, wo:0, o:1, dev:loop0
 disk 1, wo:0, o:1, dev:loop1



Peter