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Message-ID: <4AFC6ADE.30802@diamondcut.com.br> Date: Thu, 12 Nov 2009 18:06:54 -0200 From: "Renato S. Yamane" <yamane@...mondcut.com.br> To: linux-ext4@...r.kernel.org CC: Theodore Tso <tytso@....edu>, sandeen@...hat.com Subject: Re: Ext4 on SSD Intel X25-M On 12-11-2009 13:30, Theodore Tso wrote: > On Thu, Nov 12, 2009 at 11:59:50AM -0200, Renato S. Yamane wrote: >> [please, leave me on cc because I'm not subscribed on this ML] >> >> I'm using Intel SSD X25-M on my laptop, and I always hear that is not a >> good idea use journal on SSD (it decrease the life time). >> >> I ask Intel about this, but I don't receive any answer. >> >> So, I would like to know if is possible disable Journal on EXT4. > > It is possible to create an ext4 file system without a journal. It > would mean that unclean shutdowns would require a full fsck, which on > a freshly created file system on an SSD isn't _that_ bad. Depending > on how full/fragmented your filesystem happens to be, it will probably > be under 10 seconds. > > That being said, though, it shouldn't be necessary to avoid using a > journal on the Intel SSD. Intel says that laptop will last at least 5 > years with 10GB worth of writes per day... Woww! Thank you so much Theodore and Eric! I will keep using journal on my SSD X25-M. Regards, Renato S. Yamane -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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