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I've run up into yet another peculiarity while building my video storage
solution on top of ZFS: if I fill up the disk to 98%, writes slow down -
this is expected. However, what happens when the write load overwhelms
the storage systems is puzzling to
On Thu, Jan 14, 2010 at 5:07 PM, Christopher George
wrote:
>> Why not enlighten EMC/NTAP on this then?
>
> On the basic chemistry and possible failure characteristics of Li-Ion
> batteries?
>
> I will agree, if I had system level control as in either example, one could
> definitely help mitigate s
On 1/13/10 9:51 AM, Christopher George wrote:
The DDRdrive X1 OpenSolaris device driver is now complete,
please join us in our first-ever ZFS Intent Log (ZIL) beta test
program. A select number of X1s are available for loan,
preferred candidates would have a validation background
and/or a true p
On Fri, Jan 15, 2010 at 2:07 AM, Christopher George
wrote:
>> Why not enlighten EMC/NTAP on this then?
>
> On the basic chemistry and possible failure characteristics of Li-Ion
> batteries?
>
> I will agree, if I had system level control as in either example, one could
> definitely help mitigate s
Never mind.
It looks like the controller is flakey. Neither disk in the mirror is clean.
Attempts to backup and recover the remaining disk produced I/O errors that were
traced to the controller.
Thanks for your help Victor.
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Hi,
I am considering building a modest sized storage system with zfs. Some of the
data on this is quite valuable, some small subset to be backed up "forever",
and I am evaluating back-up options with that in mind.
My understanding is that zfs send approximately captures the copy-on-write file
> Got a link to this magic dbox format ?
http://wiki.dovecot.org/MailboxFormat
http://wiki.dovecot.org/MailboxFormat/dbox
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Perhaps an ISCSI mirror for a laptop? Online it when you are back
"home" to keep your backup current.
Charles
On Thu, Jan 14, 2010 at 7:04 PM, A Darren Dunham wrote:
> On Thu, Jan 14, 2010 at 06:11:10PM -0500, Miles Nordin wrote:
>> zpool offline / zpool online of a mirror component will indeed
I was curious as to if it's possible to know if a disk device (from the SAN) is
a member of any zpool. The disks are shared to several servers, and the zpool
is exported/imported between servers. I am writing a script to list all the
disks available from the SAN with some misc. information, an
> To fix it, I swapped out the Adaptec controller and
> put in LSI Logic
> and all the problems went away.
I'm using Sun's built-in LSI controller with (I presume) the original internal
cable shipped by Sun.
Still, no joy for me at U320 speeds. To be precise, when the controller is set
at U3
The on Disk Layout is shown here:
http://hub.opensolaris.org/bin/download/Community+Group+zfs/docs/ondiskformat0822.pdf
You can use the name value pairs in the vdev label. ( I guess). Unfortunately I
do not know any scripts.
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Lutz Schumann wrote:
The on Disk Layout is shown here:
http://hub.opensolaris.org/bin/download/Community+Group+zfs/docs/ondiskformat0822.pdf
You can use the name value pairs in the vdev label. ( I guess). Unfortunately I
do not know any scripts.
you can try
zdb -l /dev/rdsk/cXtYdZs0
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What is the best way to back up a zfs pool for recovery? Recover entire pool
or files from a pool... Would you use snapshots and clones?
I would like to move the "backup" to a different disk and not use tapes.
suggestions??
TIA --Kenny
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Can you add a disk (volume) to an existing raidz pool?? Or do you still need
to create a new pool, copy data, destroy old pool in order to expand the pool
size?
TIA --Kenny
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> Sometimes people get confused about the ZIL and separate logs. For
> sizing purposes,
> the ZIL is a write-only workload. Data which is written to the ZIL is
> later asynchronously
> written to the pool when the txg is committed.
Right; the tgx needs time to transfer the ZIL.
> The ZFS wri
I've been reading the zfs man page, but I'm confused about
dependancies. I have a ZFS filesystem that I wish to split into two
ZFS filesystems at one of the subdirectories. I understand that I
first need to make a snapshot of the filesystem and then make a clone
of the snapshot, with a different
On Fri, January 15, 2010 13:47, Kenny wrote:
> What is the best way to back up a zfs pool for recovery? Recover entire
> pool or files from a pool... Would you use snapshots and clones?
>
> I would like to move the "backup" to a different disk and not use tapes.
>
> suggestions??
What I'm tryin
Have a simple rolling ZFS replication script:
http://dpaste.com/145790/
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cyberpunk is dead. long live cyberpunk.
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On Fri, Jan 15, 2010 at 02:07:40PM -0600, Gary Mills wrote:
> I have a ZFS filesystem that I wish to split into two
> ZFS filesystems at one of the subdirectories. I understand that I
> first need to make a snapshot of the filesystem and then make a clone
> of the snapshot, with a different name.
On 01/15/10 12:59, Jeffry Molanus wrote:
Sometimes people get confused about the ZIL and separate logs. For
sizing purposes,
the ZIL is a write-only workload. Data which is written to the ZIL is
later asynchronously
written to the pool when the txg is committed.
Right; the tgx needs time t
I think Y is such a variable and complex number it would be difficult to give a
rule of thumb, other than to 'test with your workload'.
My server, having three, five disk raidzs (striped) and an intel x25-e as a zil
can fill my two G ethernet pipes over NFS (~200MBps) during mostly sequential
On Fri, 15 Jan 2010, Kenny wrote:
Can you add a disk (volume) to an existing raidz pool?? Or do you
still need to create a new pool, copy data, destroy old pool in
order to expand the pool size?
There is not really such a thing as a 'raidz pool'. You are not able
to add another disk to a r
On Fri, Jan 15, 2010 at 10:37:15AM -0500, Charles Menser wrote:
> Perhaps an ISCSI mirror for a laptop? Online it when you are back
> "home" to keep your backup current.
I do exactly this, but:
- It's not the only thing I do for backup.
- The iscsi initiator is currently being a major PITA for
On Fri, Jan 15, 2010 at 1:59 PM, Jeffry Molanus
wrote:
>
>> Sometimes people get confused about the ZIL and separate logs. For
>> sizing purposes,
>> the ZIL is a write-only workload. Data which is written to the ZIL is
>> later asynchronously
>> written to the pool when the txg is committed.
>
>
Hi All,
As I promise I finish before SUN leave:
http://blogs.sun.com/VirtualGuru/entry/virtual_applinaces_ovf_workshop
Feedback is welcome
Nice day
Rudolf
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> -Original Message-
> From: neil.per...@sun.com [mailto:neil.per...@sun.com]
> I think you misunderstand the function of the ZIL. It's not a journal,
> and doesn't get transferred to the pool as of a txg. It's only ever
> written except
> after a crash it's read to do replay. See:
>
>
LevT wrote:
switched to another system, RAM 4Gb -> 16Gb
the importing process lasts about 18hrs now
the system is responsive
if developers want it I may provide ssh access
I have no critical data there, it is an acceptance test only
If it is still relevant, feel free to contact me offline to
I was testing zfs over iscsi (with commstar over a zvol) and got some errors.
Target and initiator are on the same host.
I've copy-pasted an excerpt on zpool status hereafter.
The pool (tank) containing the iscsi-shared zvol (tank/tsmvol) is healthy and
show no errors.
But the zpool (tsmvol) on t
On 16/01/2010 00:09, Jeffry Molanus wrote:
-Original Message-
From: neil.per...@sun.com [mailto:neil.per...@sun.com]
I think you misunderstand the function of the ZIL. It's not a journal,
and doesn't get transferred to the pool as of a txg. It's only ever
written except
a
To have Mac OS X connect via iSCSI:
http://krypted.com/mac-os-x/how-to-use-iscsi-on-mac-os-x/
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