On Tue, Jul 03, 2007 at 10:31:28AM -0700, Richard Elling wrote:
Albert Chin wrote:
On Tue, Jul 03, 2007 at 09:01:50AM -0700, Richard Elling wrote:
Albert Chin wrote:
Some of the Sun storage arrays contain NVRAM. It would be really nice
if the array NVRAM would be available for ZIL storage
On Tue, Jul 03, 2007 at 11:02:24AM -0700, Bryan Cantrill wrote:
On Tue, Jul 03, 2007 at 10:26:20AM -0500, Albert Chin wrote:
PSARC 2007/171 will be available in b68. Any documentation anywhere on
how to take advantage of it?
Some of the Sun storage arrays contain NVRAM. It would
some features will not be available without an explicit 'zpool
upgrade'.
config:
zones ONLINE
c0d1s5ONLINE
zpool import lists the pools available for import. Maybe you need to
actually _import_ the pool first before you can upgrade.
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On Fri, May 25, 2007 at 12:14:45AM -0400, Torrey McMahon wrote:
Albert Chin wrote:
On Thu, May 24, 2007 at 11:55:58AM -0700, Grant Kelly wrote:
I'm getting really poor write performance with ZFS on a RAID5 volume
(5 disks) from a storagetek 6140 array. I've searched the web
your file server on a UPS won't help
here.
http://blogs.sun.com/erickustarz/entry/zil_disable discusses some of
the issues affecting zil_disable=1.
We know we get better performance with zil_disable=1 but we're not
taking any chances.
-Andy
On 5/24/07 4:16 PM, Albert Chin
[EMAIL
confusing the array?
I think both are ok. CAM is free. Dunno about Santricity.
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array w/128k
stripe, and ~69MB/s on a seven-disk RAID-5 array w/128k strip.
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On Mon, May 21, 2007 at 13:23:48 -0800, Marion Hakanson wrote:
Albert Chin wrote:
Why can't the NFS performance match that of SSH?
My first guess is the NFS vs array cache-flush issue. Have you
configured the 6140 to ignore SYNCHRONIZE_CACHE requests? That'll
make a huge difference for NFS
is 100MB. /etc/system on the file server is:
set maxphys = 0x80
set ssd:ssd_max_throttle = 64
set zfs:zfs_nocacheflush = 1
Why can't the NFS performance match that of SSH?
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On Mon, May 21, 2007 at 02:55:18PM -0600, Robert Thurlow wrote:
Albert Chin wrote:
Why can't the NFS performance match that of SSH?
One big reason is that the sending CPU has to do all the comparisons to
compute the list of files to be sent - it has to fetch the attributes
from both local
On Mon, May 21, 2007 at 06:11:36PM -0500, Nicolas Williams wrote:
On Mon, May 21, 2007 at 06:09:46PM -0500, Albert Chin wrote:
But still, how is tar/SSH any more multi-threaded than tar/NFS?
It's not that it is, but that NFS sync semantics and ZFS sync
semantics conspire against single
On Mon, May 21, 2007 at 04:55:35PM -0600, Robert Thurlow wrote:
Albert Chin wrote:
I think the bigger problem is the NFS performance penalty so we'll go
lurk somewhere else to find out what the problem is.
Is this with Solaris 10 or OpenSolaris on the client as well?
Client is RHEL 4
and/or -oCompressionLevel?
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just snapshot the file system.
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). Is it
possible to allocate some disks from the 6140 array to ZFS on the
X4100 for the purpose of migrating data from the appliance to ZFS?
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the hot
spare is distributed amongst data drives in the array. When a failure
occurs, the rebuild occurs in parallel across _all_ drives in the
array:
http://www.issidata.com/specs/agami/enterprise-classreliability.pdf
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of
that.
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be a RAID 0
config on the 6140?
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On Thu, Jan 25, 2007 at 10:16:47AM -0500, Torrey McMahon wrote:
Albert Chin wrote:
On Wed, Jan 24, 2007 at 10:19:29AM -0800, Frank Cusack wrote:
On January 24, 2007 10:04:04 AM -0800 Bryan Cantrill [EMAIL PROTECTED]
wrote:
On Wed, Jan 24, 2007 at 09:46:11AM -0800, Moazam Raja wrote
). Well - there's no harm in making the
suggestion ... right?
Well, when you buy disk for the Sun 5320 NAS Appliance, you get a
Controller Unit shelf and, if you expand storage, an Expansion Unit
shelf that connects to the Controller Unit. Maybe the Expansion Unit
shelf is a JBOD 6140?
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albert
Since ZFS already has error correction, would drives that limit the time a hard
drive attempts to recover from errors such as WD RE drives or Seagate ES drive
be necessary? Would it be safe to use standard hard drives without the Time
Limited Error Recovery feature in a RAIDZ array?
This
On Tue, Jan 16, 2007 at 01:28:04PM -0800, Eric Kustarz wrote:
Albert Chin wrote:
On Mon, Jan 15, 2007 at 10:55:23AM -0600, Albert Chin wrote:
I have no hands-on experience with ZFS but have a question. If the
file server running ZFS exports the ZFS file system via NFS to
clients, based
access to the remote ZFS file system and the clone?
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) what you use to attach two 2disks on 2
different site ? You using FC attachement ?
Regards.
--
Albert SHIH
Universite de Paris 7 (Denis DIDEROT)
U.F.R. de Mathematiques.
7 ième étage, plateau D, bureau 10
Heure local/Local time:
Wed Dec 6 09:06:30 CET 2006
I send a big file using your command
at t=t+1I just send the diff not a big file
Regards.
--
Albert SHIH
Universite de Paris 7 (Denis DIDEROT)
U.F.R. de Mathematiques.
7 ième étage, plateau D, bureau 10
Heure local/Local time:
Tue Dec 5 14:53:13 CET 2006
of the perf ?
The purpose is make a big NFS server with primary data on a high-level raid
array disk but using ZFS to mirror all data on the all old-raid-array.
Regards.
--
Albert SHIH
Universite de Paris 7 (Denis DIDEROT)
U.F.R. de Mathematiques.
7 ième étage, plateau D, bureau 10
Heure local/Local time
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