ext3: maximum recommended partition size / handling large partitions

Posted by Hansi on Super User See other posts from Super User or by Hansi
Published on 2011-02-12T15:17:04Z Indexed on 2011/02/12 15:27 UTC
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Hi!

I would like to do an encrypted install of Ubuntu on a 2 Terabyte drive (i.e., using LUKS/DMcrypt). In order to not have to type in passwords too often, the partitioning scheme will be 50 GB for / and about 1 TB for /home (and the rest for Windows 7), just for clarity.

Even though by now LVM is regarded as being stable, I don't want to bother having more room for errors by introducing unnecessary layers of complexity.

For both Ubuntu partitions I want encrypted ext3 with the default blocksize of ext3 (4k?).

Thoughts:

When I look at most partition schemes here on this site or elsewhere, I usually see at most about 400 or 500 GB partitions (maybe I didn't see enough). There may be different reasons for this, but is reliability an issue here?

Are larger ext3 partitions, like about 1 TB, harder to handle for the OS or filesystem driver or at some other level? If I make the partition too large, will it be harder to repair in case of corruptions? Are there some default settings for ext3 that I should change for 1 TB partitions?

Question:

What maximum partition size for ext3 do you recommend and why?

Thanks!

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