Re: [patch] ext2/3: document conditions when reliable operation ispossible

From: Pavel Machek
Date: Tue Aug 25 2009 - 05:34:29 EST


>>> If your concern is that with Linux MD, you could potentially lose an
>>> entire stripe in RAID 5 mode, then you should say that explicitly; but
>>> again, this isn't a filesystem specific cliam; it's true for all
>>> filesystems. I don't know of any file system that can survive having
>>> a RAID stripe-shaped-hole blown into the middle of it due to a power
>>> failure.
>> Again, ext2 handles that in a way user expects it.
>> At least I was teached "ext2 needs fsck after powerfail; ext3 can
>> handle powerfails just ok".
> So, would you be happy if ext3 fsck was always run on reboot (at least
> for flash devices)?

For flash devices, MD Raid 5 and anything else that needs it; yes that
would make me happy ;-).

(cesky, pictures)
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at