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What file system are you supposed to use on 7 terabytes
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hadees
Tux's lil' helper
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Joined: 17 Dec 2003
Posts: 137

PostPosted: Tue Jul 01, 2008 5:34 am    Post subject: What file system are you supposed to use on 7 terabytes Reply with quote

I recently upgraded my Raid5 array to have roughly 6.8 Terabytes. This is for a media jukebox where I plan on keeping iso copies of all my DVDs so I don't have to dig around finding them.

Anyway I had a hell of a time getting this thing partitioned. I ended up using parted and setting the disk label as GPT. I'm not sure that is right but it was the only way I could create a part big enough to encompass my entire drive.

Now my question is what file system am I supposed to use? MythTV's wiki recommends JFS but when i tried formatting my partition it seemed to make out at 2 Terabytes. I tried this with XFS and got the same results. I don't know if that is because of JFS or XFS or if df can't count beyond 2 terabytes.

Frankly I'm lost, i've been looking all over and I can't figure out how to successfully create a huge partition with a working file system.
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semdornus
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Joined: 13 Sep 2007
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Location: Tokyo

PostPosted: Tue Jul 01, 2008 6:12 am    Post subject: Reply with quote

Isn't there a setting in the kernel for large files and large discs (above 2TB)? Do you have those set?
Ah: CONFIG_LBD and CONFIG_LSF.
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avx
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Joined: 21 Jun 2004
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PostPosted: Tue Jul 01, 2008 1:46 pm    Post subject: Reply with quote

Concerning XFS, maybe you've run into the same problem as I did - my thread with my "fix".

Last edited by avx on Tue Jul 01, 2008 1:52 pm; edited 1 time in total
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avx
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PostPosted: Tue Jul 01, 2008 1:51 pm    Post subject: Reply with quote

EDIT: sorry for double-posting, safari acting weird again :(
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phajdan.jr
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Joined: 23 Mar 2006
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PostPosted: Tue Jul 01, 2008 3:59 pm    Post subject: Reply with quote

Consider ZFS :D
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hadees
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Joined: 17 Dec 2003
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PostPosted: Wed Jul 02, 2008 1:50 am    Post subject: Reply with quote

I double checked my kernel and I do have large files and large discs set correctly. I think the issue is that current file systems seem limited, I didn't relies this would be a problem when I started so any recommendation would be greatly appreciated.
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hadees
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Joined: 17 Dec 2003
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PostPosted: Wed Jul 02, 2008 2:58 am    Post subject: Reply with quote

So XFS should be able to do it but it seems to stop at 2199GB.

EDIT: Well i was right XFS can do it but it doesn't play nice with GPT for some reason I don't get. I was only able to get it working if i formatted right on the block device instead of using a partition table. Otherwise the partition table would be unreadable by parted after i formatted it to xfs and xfs would only show me 2199GB.
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