Re: BTRFS and power loss ~= corruption?

[Martin Steigerwald <Martin@lichtvoll.de>]

Am Donnerstag, 25. August 2011 schrieb Anand Jain:
>   anyways, solutions containing disk-write-cache disabled and SSD
>   is quite popular now a days. And in terms of random synchronous
>   write performance they are awesome.

There are SSD with capacitors such as Intel SSD 320. These according to=
=20
the vendor should write out all remaining writes that made it to the di=
sk=20
cache should a power loss occur.

I did not have any issues with BTRFS on / with a ThinkPad T520 and an=20
Intel SSD 320. /home is still Ext4, as I want a fsck first. Thats with=20
Linux 3.0.0-2 amd64 debian package.

That said I also do not have any issues with BTRFS on a ThinkPad T23 fo=
r /=20
and /home. But then the machine has an hibernate-to-disk-and-resume upt=
ime=20
of almost 120 days, so it didn=B4t see a power loss for a long time. Th=
ats=20
still with 2.6.38.4.

--=20
Martin 'Helios' Steigerwald - http://www.Lichtvoll.de
GPG: 03B0 0D6C 0040 0710 4AFA  B82F 991B EAAC A599 84C7
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