From: Boaz Harrosh <bharrosh@panasas.com>
To: Peng Tao <bergwolf@gmail.com>,
"Isaman, Fred" <Fred.Isaman@netapp.com>,
Andy Adamson <andros@netapp.com>
Cc: "Myklebust, Trond" <Trond.Myklebust@netapp.com>,
Benny Halevy <bhalevy@tonian.com>, <linux-nfs@vger.kernel.org>,
Peng Tao <peng_tao@emc.com>
Subject: Re: [PATCH] pnfsblock: init pg_bsize properly
Date: Tue, 23 Aug 2011 14:19:01 -0700 [thread overview]
Message-ID: <4E541945.6@panasas.com> (raw)
In-Reply-To: <CA+a=Yy4gm3789v0w-dGpZO1w9RrpC7ELgeM9=qNsf4tYigdw2A@mail.gmail.com>
On 08/23/2011 08:01 AM, Peng Tao wrote:
> So this is a generic issue. For file and object layout, do you need to
> use partial read/write rpc ops in any case? For block layout, we would
> like to never use it in LD. But I'm not sure about file and object
> case. Could you confirm?
>
For objects it is like blocks. NEVER (ever) use partial rpc ops. r/wsize
are not relevant for obj-LD IO.
(As I understand from Trond also with files the LD should inspect the
situation and have the final disposition. But someone will need to write
some files-LD code for that, Fred, Andy?)
> Thanks,
> Tao
Thanks
Boaz
next prev parent reply other threads:[~2011-08-23 21:26 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-13 1:04 [PATCH] pnfsblock: init pg_bsize properly Peng Tao
2011-08-16 21:05 ` Boaz Harrosh
2011-08-17 7:15 ` Benny Halevy
2011-08-17 9:35 ` Peng Tao
2011-08-17 16:27 ` Benny Halevy
2011-08-18 14:34 ` Peng Tao
2011-08-22 23:52 ` Boaz Harrosh
2011-08-23 0:00 ` Myklebust, Trond
2011-08-23 15:01 ` Peng Tao
2011-08-23 21:19 ` Boaz Harrosh [this message]
2011-08-25 20:15 ` Jim Rees
2011-08-26 0:16 ` Boaz Harrosh
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