- 1. XFS and DPX files (score: 1)
- Author: "AndrewL733@xxxxxxx" <AndrewL733@xxxxxxx>
- Date: Sat, 31 Oct 2009 08:26:28 -0400
- Hello, For many years and with great success, I have been capturing and editing high bandwidth video on Linux systems with XFS filesystems exported via Samba. However, I am currently running into a p
- /archives/xfs/2009-10/msg00284.html (12,528 bytes)
- 2. Re: XFS and DPX files (score: 1)
- Author: Emmanuel Florac <eflorac@xxxxxxxxxxxxxx>
- Date: Sat, 31 Oct 2009 15:18:25 +0100
- Le Sat, 31 Oct 2009 08:26:28 -0400 vous écriviez: Maybe you should try mounting the XFS filesystem with these options : nobarrier,noatime -- -- Emmanuel Florac www.intellique.com --
- /archives/xfs/2009-10/msg00285.html (7,506 bytes)
- 3. Re: XFS and DPX files (score: 1)
- Author: "AndrewL733@xxxxxxx" <AndrewL733@xxxxxxx>
- Date: Sat, 31 Oct 2009 10:37:30 -0400
- Maybe you should try mounting the XFS filesystem with these options : nobarrier,noatime Thanks. Already doing that -- 3ware controller does not support barriers, so that's automatically ruled out (yo
- /archives/xfs/2009-10/msg00286.html (7,852 bytes)
- 4. Re: XFS and DPX files (score: 1)
- Author: Emmanuel Florac <eflorac@xxxxxxxxxxxxxx>
- Date: Sat, 31 Oct 2009 17:48:36 +0100
- Le Sat, 31 Oct 2009 10:37:30 -0400 vous écriviez: 3Ware controller definitely supports barriers... What model are you using BTW? On the 9650, the latest firmware gave me a solid 15-20% performance bo
- /archives/xfs/2009-10/msg00287.html (8,172 bytes)
- 5. Re: XFS and DPX files (score: 1)
- Author: Michael Monnerie <michael.monnerie@xxxxxxxxxxxxxxxxxxx>
- Date: Mon, 2 Nov 2009 12:05:27 +0100
- I believe for a 15 drive RAID-6, where 2 disks are used for redundancy, the correct mkfs would be: mkfs -t xfs -d su=65536,sw=13 /dev/sdXX That is, you tell XFS how many *data disks* there are, not h
- /archives/xfs/2009-11/msg00002.html (8,307 bytes)
- 6. Re: XFS and DPX files (score: 1)
- Author: Emmanuel Florac <eflorac@xxxxxxxxxxxxxx>
- Date: Mon, 2 Nov 2009 18:52:49 +0100
- Le Mon, 2 Nov 2009 12:05:27 +0100 Michael Monnerie <michael.monnerie@xxxxxxxxxxxxxxxxxxx> écrivait: Yes you're right, I replied a bit too quickly :) The 3Ware is so slow it's almost unusable without
- /archives/xfs/2009-11/msg00004.html (7,884 bytes)
- 7. Re: XFS and DPX files (score: 1)
- Author: Eric Sandeen <sandeen@xxxxxxxxxxx>
- Date: Mon, 02 Nov 2009 15:34:34 -0600
- Maybe you should try mounting the XFS filesystem with these options : nobarrier,noatime Thanks. Already doing that -- 3ware controller does not support barriers, so that's automatically ruled out (y
- /archives/xfs/2009-11/msg00013.html (9,588 bytes)
- 8. Re: XFS and DPX files (score: 1)
- Author: "AndrewL733@xxxxxxx" <AndrewL733@xxxxxxx>
- Date: Mon, 02 Nov 2009 16:50:48 -0500
- I believe for a 15 drive RAID-6, where 2 disks are used forredundancy, the correct mkfs would be: mkfs -t xfs -d su=65536,sw=13 /dev/sdXX Yes you're right, I replied a bit too quickly :) Thank you fo
- /archives/xfs/2009-11/msg00015.html (11,597 bytes)
- 9. Re: XFS and DPX files (score: 1)
- Author: Michael Monnerie <michael.monnerie@xxxxxxxxxxxxxxxxxxx>
- Date: Mon, 2 Nov 2009 22:58:35 +0100
- Don't mix up the controller write cache vs. disk write cache. The controller write cache should be on whenever you have a BBM installed, because this brings real performance, while the disk write cac
- /archives/xfs/2009-11/msg00017.html (8,836 bytes)
- 10. Re: XFS and DPX files (score: 1)
- Author: Emmanuel Florac <eflorac@xxxxxxxxxxxxxx>
- Date: Mon, 2 Nov 2009 23:26:11 +0100
- Le Mon, 02 Nov 2009 16:50:48 -0500 vous écriviez: I'll do some checks on my side, I have several RAID systems with various RAID controllers (including 3Ware) and a nice "dpx stream" simulator from OP
- /archives/xfs/2009-11/msg00019.html (8,991 bytes)
- 11. Re: XFS and DPX files (score: 1)
- Author: Eric Sandeen <sandeen@xxxxxxxxxxx>
- Date: Mon, 02 Nov 2009 21:09:33 -0600
- I believe for a 15 drive RAID-6, where 2 disks are used forredundancy, the correct mkfs would be: mkfs -t xfs -d su=65536,sw=13 /dev/sdXX Yes you're right, I replied a bit too quickly :) Thank you fo
- /archives/xfs/2009-11/msg00021.html (12,685 bytes)
- 12. Re: XFS and DPX files (score: 1)
- Author: Emmanuel Florac <eflorac@xxxxxxxxxxxxxx>
- Date: Tue, 3 Nov 2009 12:19:20 +0100
- Le Mon, 2 Nov 2009 22:58:35 +0100 Michael Monnerie <michael.monnerie@xxxxxxxxxxxxxxxxxxx> écrivait: Unfortunately there isn't any way in the 3Ware controllers to manage that. Worse, I couldn't get a
- /archives/xfs/2009-11/msg00024.html (8,780 bytes)
- 13. Re: XFS and DPX files (score: 1)
- Author: Michael Monnerie <michael.monnerie@xxxxxxxxxxxxxxxxxxx>
- Date: Tue, 3 Nov 2009 21:58:29 +0100
- Looks like you didn't read the FAQ until now, I tried to document the unclear bits as good as I could: http://www.xfs.org/index.php/XFS_FAQ#Q._Which_settings_does_my_RAID_controller_need_.3F mfg zmi
- /archives/xfs/2009-11/msg00035.html (9,491 bytes)
- 14. Re: XFS and DPX files (score: 1)
- Author: Martin Spott <Martin.Spott@xxxxxxxxx>
- Date: Mon, 14 Dec 2009 16:17:28 +0000 (UTC)
- I've been under the impression that "modern disks" (TM), at minimum the server-type products, are supposed to re-use the remaining spin-energy for generating the required power and thus writing the c
- /archives/xfs/2009-12/msg00122.html (7,993 bytes)
- 15. Re: XFS and DPX files (score: 1)
- Author: Michael Weissenbacher <mw@xxxxxxxxxxxx>
- Date: Mon, 14 Dec 2009 18:49:51 +0100
- Hi! Nope, they don't. All disks do is use the remaining spin energy to mechanically park the disk heads. Server-grade disks should always ship with their drive write cache turned off per default. The
- /archives/xfs/2009-12/msg00124.html (7,488 bytes)
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