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Re: [Gluster-devel] Patch for "Striped" read from AFR volumes
From: |
Csibra Gergo |
Subject: |
Re: [Gluster-devel] Patch for "Striped" read from AFR volumes |
Date: |
Tue, 1 Jan 2008 21:55:05 +0100 |
Monday, December 31, 2007, 6:49:10 PM, Gareth Bult wrote:
> Hi,
> This looks good , can I just check a couple of things ..
> When you write "RAID0", do you mean "RAID1" ?
No. I mean RAID0 :)
RAID1 is simple mirroring, RAID0 is striping, and this patch does
striped read, so reads every data block from different childrens
(different AFR copies).
> Is the patch in TLA, or is it a manual apply only ?
This patch is for 1.3.7, for TLA you must copy manually.
> (if not, is the patch likely to run against the TLA/1.3.8 code?)
Don't know. I'll test it...
No. TLA/1.3.8 needs other patch, it uses afrfdp->rchild to determine
which child to read, we need other patch.
--
Best regards,
Csibra Gergo mailto:address@hidden