For drives that shouldn't be assembled by the kernel at boot time what
sort of file system type should they be marked with by fdisk? (I.e -
Is 'fd' __incorrect__ because I don't care about auto-detection.)
My system has a 2-drive RAID0 to host vmware appliances and then a
3-drive RAID1 to back up the RAID0 every so often. When I boot I see
this message on the console:
mdadm: /dev/md/6 has been started with 3 drives. [!!]
where the !! are in red. Once booted and into KDE everything looks fine:
c2stable ~ # cat /proc/mdstat
Personalities : [raid0] [raid1]
md6 : active raid1 sda6[0] sdc6[2] sdb6[1]
247416933 blocks super 1.1 [3/3] [UUU]
md11 : active raid0 sdd1[0] sde1[1]
104871936 blocks super 1.1 512k chunks
md3 : active raid1 sdc3[2] sdb3[1] sda3[0]
52436096 blocks [3/3] [UUU]
md5 : active raid1 sdc5[2] sdb5[1] sda5[0]
52436032 blocks [3/3] [UUU]
unused devices: <none>
c2stable ~ #
In dmesg I see this about mdadm getting things starts:
md: md11 stopped.
md: bind<sde1>
md: bind<sdd1>
raid0 : md_size is 209743872 sectors.
******* md11 configuration *********
md11: detected capacity change from 0 to 107388862464
md11: unknown partition table
md: md6 stopped.
md: bind<sdb6>
md: bind<sdc6>
md: bind<sda6>
raid1: raid set md6 active with 3 out of 3 mirrors
md6: detected capacity change from 0 to 253354939392
md6: unknown partition table
EXT3-fs (md11): using internal journal
EXT3-fs (md11): mounted filesystem with writeback data mode
EXT3-fs (md6): using internal journal
EXT3-fs (md6): mounted filesystem with writeback data mode
I'm thinking that my making them with 'fd' has confused the boot process a bit.
If that's correct then is there and problem with just marking them
back to 83 now?
Device Boot Start End Blocks Id System
/dev/sda1 * 1 7 56196 83 Linux
/dev/sda2 8 530 4200997+ 82 Linux swap / Solaris
/dev/sda3 536 7063 52436160 fd Linux raid autodetect
/dev/sda4 7064 60801 431650485 5 Extended
/dev/sda5 7064 13591 52436128+ fd Linux raid autodetect
/dev/sda6 30000 60801 247417065 fd Linux raid autodetect
Thanks,
Mark
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