Re: reiserfs - problems mounting after power outage

From: Chris Mason (
Date: Wed Feb 07 2001 - 18:56:40 EST

On Wednesday, February 07, 2001 12:31:43 PM -0500 Jeff McWilliams <> wrote:

> I'm having difficulty mounting a reiserfs partition after a power outage.
> This is 2.4.0-test9 compiled with reiserfs as a module, and

Which reiserfs version is this? Upgrading to the reiserfs included in 2.4.1 would be a good plan, there have been a few bug fixes since test9 times (none specfically related to this).

> the ide.2.4.0-t9-6.task.0923.path IDE patch - mostly to get updated support for
> the 3WARE IDE RAID controller.

If this raid controller has writeback cache, make sure you either have a battery backup for the cache, or have writeback turned off.

> /dev/sda is the 3ware escalade raid mirror - two Maxtor 20 gig drives.
> reiserfs is compiled as a module, the distribution is Debian Linux
> "Potato"
[ ... ]

> The partition I'm having trouble with is /dev/sda7. /dev/sda6 recovered okay.
> /dev/sda7 doesn't have a lot of data on it, and I CAN deal with the lost data,
> but it doesn't leave me with a very good feeling of confidence in reiserfs
> if I can't successfully recover from a power failure.
> What happens when I type mount /dev/sda7 is this:
> reiserfs: using 3.5.x disk format
> reiserfs: checking transaction log (device 08:07) ...
> and then it hangs. I then have to hit the reset button to reboot.

How hung is it? Does the whole system stop, or does this mount just block forever?

> I've tried running reiserfsck with --check, --correct-bitmap,
> --rebuild-sb, and --rebuild-tree. NO luck there.

These programs also hang? Does reiserfsck (which version BTW) give any output at all?


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