- Forwarded message from Nico Williams n...@cryptonector.com -
From: Nico Williams n...@cryptonector.com
Date: Sat, 21 May 2011 16:22:27 -0500
To: Crypto discussion list cryptogra...@randombit.net
Subject: Re: [cryptography] rolling hashes, EDC/ECC vs MAC/MIC, etc.
Reply-To: Crypto
On May 21, 2011, at 11:56 AM, Eugen Leitl eu...@leitl.org wrote:
- Forwarded message from Zooko O'Whielacronx zo...@zooko.com -
From: Zooko O'Whielacronx zo...@zooko.com
Date: Sat, 21 May 2011 12:50:19 -0600
To: Crypto discussion list cryptogra...@randombit.net
Subject: Re:
Hi all,
As I wrote before, I have a dpcool implemented as an iSCSI
device stored in a volume of my physical pool. When there
are many operations, such as attempts to destroy a dataset
(which leads to many small IOs in my config), the iSCSI
device is 100% busy for hours, latencies can grow to
comment below...
On May 22, 2011, at 8:31 AM, Jim Klimov wrote:
Hi all,
As I wrote before, I have a dpcool implemented as an iSCSI
device stored in a volume of my physical pool. When there
are many operations, such as attempts to destroy a dataset
(which leads to many small IOs in my
2011-05-22 20:39, Richard Elling wrote:
This means that the target closed the connection because there was
already a task in progress.
Likely this was the retry after the timeout. By default, these
timeouts are quite long, so by now
performance is already terrible.
I'm not sure if you
On Sun, May 22, 2011 at 10:20 AM, Richard Elling
richard.ell...@gmail.com wrote:
ZFS already tracks the blocks that have been written, and the time that
they were written. So we already know when something was writtem, though
that does not answer the question of whether the data was changed. I
On Sun, May 22, 2011 at 1:52 PM, Nico Williams n...@cryptonector.com wrote:
[...] Or perhaps you'll argue that no one should ever need bi-di
replication, that if one finds oneself wanting that then one has taken
a wrong turn somewhere.
You could also grant the premise and argue instead that
From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss-
boun...@opensolaris.org] On Behalf Of Eugen Leitl
This would enable applications—without needing any further
in-filesystem code—to perform a Merkle Tree sync, which would range
from noticeably more efficient to dramatically more
On May 22, 2011, at 11:52 AM, Nico Williams n...@cryptonector.com wrote:
On Sun, May 22, 2011 at 10:20 AM, Richard Elling
richard.ell...@gmail.com wrote:
ZFS already tracks the blocks that have been written, and the time that
they were written. So we already know when something was writtem,
