Re: Filesystem on RAID5 missing or corrupted after reboot (bad superblock error)

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On Fri, 23 Jan 2009, Mike Berger wrote:

Justin Piszcz wrote:

Hi,

If you are using GPT partitions, the kernel will not recognize them
after stop/start or a reboot unless you have this option enabled in the
kernel:

CONFIG_EFI_PARTITION=y

Also, why use a GPT partition, do you have individual HDDs over 2TiB?
If not, just make a regular partition on each HDD with fdisk and make
it type
'fd'?

Justin.
This seems likely to be the problem.
CONFIG_LBD=y
CONFIG_EFI=y
CONFIG_FB_EFI=y
CONFIG_PARTITION_ADVANCED=y
# CONFIG_EFI_VARS is not set
# CONFIG_EFI_PARTITION is not set


I've got a kernel building now with CONFIG_EFI_PARTITION=y so I will
know shortly.

My thinking with the GPT partition table was to be more future proof.
I'm already using 1.5 TiB drives, so it seems likely I would transition
to 2 TiB or larger drives whenever I replaced these or added to the
array.  Do you know if using a traditional/msdos partition table now
would be an issue if I wanted to migrate to larger disks in the future?

Thanks,
Mike


In that case, use GPT.  Who knows, maybe next year there will be > 2T disks
and in that case you need GPT I believe..

Justin.

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