On Mon, Sep 18, 2006 at 11:05:07AM -0400, Krzys wrote:
> Hello folks, is there any way to get timestamps when doing "zpool iostat 1"
> for example?
>
> Well I did run zpool iostat 60 starting last night and I got some loads
> indicating along the way but without a time stamps I cant figure out a
Mike Gerdts wrote:
A couple scenarios from environments that I work in, using "legacy"
file systems and volume managers:
1) Various test copies need to be on different spindles to remove any
perceived or real performance impact imposed by one or the other.
Arguably by having the IO activity spre
Jan Hendrik Mangold wrote:
I didn't ask the original question, but I have a scenario where I
want to use clone as well and encounter a (designed?) behaviour I am
trying to understand.
I create a filesystem A with ZFS and modify it to a point where I
create a snapshot [EMAIL PROTECTED] Then I clo
Is there anything in /var/adm/messages? This sounds like some flakey
hardware causing I/O retries. After you create the pool, is it usable
in any sense of the word? Does 'zpool status' show any errors after
running a scrub?
- Eric
On Tue, Sep 19, 2006 at 02:40:43PM +1000, Chun, Peter non Unisy
On Mon, Sep 18, 2006 at 11:55:27PM -0400, Jonathan Edwards wrote:
>
> 1) If the zpool was imported when the split was done, can the
> secondary pool be imported by another host if the /dev/dsk entries
> are different? I'm assuming that you could simply use the -f
> option .. would the guid
Hi,
I am running Solaris
10 6/06.
system was upgraded
from Solaris10 via live upgrade.
zpool create mirror
c0t10d0 c0t11d0
takes about 30
minutes to complete
or even just to
produce the error message "invalid vdev specification, use -f to
override.."
Strangely enough the
format c
On Sep 18, 2006, at 23:16, Eric Schrock wrote:
Here's an example: I've three LUNs in a ZFS pool offered from my
HW raid
array. I take a snapshot onto three other LUNs. A day later I turn
the
host off. I go to the array and offer all six LUNs, the pool that
was in
use as well as the snapsh
On 9/18/06, Richard Elling - PAE <[EMAIL PROTECTED]> wrote:
Interestingly, the operation may succeed and yet we will get an error
which recommends replacing the drive. For example, if the failure
prediction threshold is exceeded. You might also want to replace the
drive when there are no spare
more below...
David Dyer-Bennet wrote:
On 9/18/06, Richard Elling - PAE <[EMAIL PROTECTED]> wrote:
[appologies for being away from my data last week]
David Dyer-Bennet wrote:
> The more I look at it the more I think that a second copy on the same
> disk doesn't protect against very much real-w
On Mon, Sep 18, 2006 at 06:03:47PM -0400, Torrey McMahon wrote:
>
> Its not the transport layer. It works fine as the LUN IDs are different
> and the devices will come up with different /dev/dsk entries. (And if
> not then you can fix that on the array in most cases.) The problem is
> that devi
On 9/18/06, Richard Elling - PAE <[EMAIL PROTECTED]> wrote:
[appologies for being away from my data last week]
David Dyer-Bennet wrote:
> The more I look at it the more I think that a second copy on the same
> disk doesn't protect against very much real-world risk. Am I wrong
> here? Are parti
On 9/1/06, Matthew Ahrens <[EMAIL PROTECTED]> wrote:
Marlanne DeLaSource wrote:
> Thanks for all your answers.
>
> The initial idea was to make a dataset/snapshot and clone (fast) and then
separate the clone from its snapshot. The clone could be then used as a new
independant dataset.
>
> The s
[appologies for being away from my data last week]
David Dyer-Bennet wrote:
The more I look at it the more I think that a second copy on the same
disk doesn't protect against very much real-world risk. Am I wrong
here? Are partial(small) disk corruptions more common than I think?
I don't have
> > The initial idea was to make a dataset/snapshot and
> clone (fast) and then separate the clone from its
> snapshot. The clone could be then used as a new
> independant dataset.
> >
> > The send/receive subcommands are probably the only
> way to duplicate a dataset.
>
> I'm still not sure I u
On September 18, 2006 5:45:08 PM +0200 Jakob Praher <[EMAIL PROTECTED]> wrote:
hi everyone,
I am planning on creating a local SAN via NFS(v4) and several redundant nodes.
huh. How do you create a SAN with NFS?
I have been using DRBD on linux before and now am asking whether some of you
h
> In my experience, we would not normally try to mount two different
> copies of the same data at the same time on a single host. To avoid
> confusion, we would especially not want to do this if the data represents
> two different points of time. I would encourage you to stick with more
> traditi
Joerg Haederli wrote:
I'm really not an expert on ZFS, but at least from my point to
handle such cases ZFS has to handle at least the following points
- GUID a new/different GUID has to be assigned
- LUNs ZFS has to be aware that device trees are different, if
these are part of some k
Torrey McMahon wrote:
A day later I turn the host off. I go to the array and offer all six
LUNs, the pool that was in use as well as the snapshot that I took a
day previously, and offer all three LUNs to the host.
Errrthat should be
A day later I turn the host off. I go to the arr
Eric Schrock wrote:
On Mon, Sep 18, 2006 at 10:06:21PM +0200, Joerg Haederli wrote:
It looks as this has not been implemented yet nor even tested.
What hasn't been implemented? As far as I can tell, this is a request
for the previously mentioned RFE (ability to change GUIDs on import)
On Mon, Sep 18, 2006 at 10:06:21PM +0200, Joerg Haederli wrote:
> I'm really not an expert on ZFS, but at least from my point to
> handle such cases ZFS has to handle at least the following points
>
> - GUID a new/different GUID has to be assigned
As I mentioned previously, ZFS handles this gr
On Mon, Sep 18, 2006 at 03:29:49PM -0400, Jonathan Edwards wrote:
>
> err .. i believe the point is that you will have multiple disks
> claiming to be the same disk which can wreak havoc on a system (eg:
> I've got a 4 disk pool with a unique GUID and 8 disks claiming to be
> part of that sa
I'm really not an expert on ZFS, but at least from my point to
handle such cases ZFS has to handle at least the following points
- GUID a new/different GUID has to be assigned
- LUNs ZFS has to be aware that device trees are different, if
these are part of some kind of metadata stored
hi everyone,
I am planning on creating a local SAN via NFS(v4) and several redundant
nodes.
I have been using DRBD on linux before and now am asking whether some of
you have experience on on-demand network filesystem mirrors.
I have yet little Solaris sysadmin know how, but i am interestin
On Sep 18, 2006, at 14:41, Eric Schrock wrote:
2 - If you import LUNs with the same label or ID as a currently
mounted
pool then ZFS will no one seems to know. For example: I have
a pool
on two LUNS X and Y called mypool. I take a snapshot of LUN X & Y,
ignoring issue #1 above for no
It's a valid use case in the high-end enterprise space.
While it probably makes good sense to use ZFS for snapshot creation,
there are still cases where array-based snapshots/clones/BCVs make
sense. (DR/Array-based replication, data-verification, separate
spindle-pool, legacy/migration reasons, an
On Mon, Sep 18, 2006 at 02:20:24PM -0400, Torrey McMahon wrote:
>
> 1 - ZFS is self consistent but if you take a LUN snapshot then any
> transactions in flight might not be completed and the pool - Which you
> need to snap in its entirety - might not be consistent. The more LUNs
> you have in t
Robert Milkowski wrote:
Hello James,
I belive that storing hostid, etc. in a label and checking if it
matches on auto-import is the right solution.
Before it's implemented you can use -R right now with home-clusters
and don't worry about auto-import.
hostid isn't sufficient (got a scar), so pe
Hans-Joerg Haederli - Sun Switzerland Zurich - Sun Support Services wrote:
Hi colleagues
IHAC who wants to use ZFS with his HDS box. He asks now how he can do
the
following:
- Create ZFS pool/fs on HDS LUNs
- Create Copy with ShadowImage inside HDS
- Disconnect ShadowImage
- Import ShadowIm
I would go with:
> (3) Three 4D+1P h/w RAID-5 groups, no hot spare, mapped to one LUN each.
> Setup a ZFS pool of one RAID-Z group consisting of those three LUN's.
> Only ~3200GB available space, but what looks like very good resiliency
> in face of multiple disk failures.
IMHO buildi
I don't see a patch for this on the SunSolve website. I've opened a service
request to get this patch for Sol10 06/06. Stay tuned.
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Hi Chris,
The man page is out-of-date. However, I'm looking at the s10u2 zpool man
page and I see no such reference to df.
I'm not sure how this happened. Even in an upgrade, the man pages should
have been updated (?).
Cindy
Krzys wrote:
in man page it does say "zpool df home" dows work, when
Hello folks, is there any way to get timestamps when doing "zpool iostat 1" for
example?
Well I did run zpool iostat 60 starting last night and I got some loads
indicating along the way but without a time stamps I cant figure out at around
what time did they happen.
Thanks.
Chris
_
> We use FSS, but CPU load was really load under the
> tests.
errata: We use FSS, but CPU load was really LOW under the tests.
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>
> Hi Gino,
>
> Can you post the 'zpool status' for each pool and
> 'zfs get all'
> for each fs; Any interesting data in the dmesg output
> ?
sure.
1) nothing on dmesg (are you thinking about shared IRQ?)
2) Only using one pool for tests:
# zpool status
pool: zpool1
state: ONLINE
scrub:
Hi colleagues
IHAC who wants to use ZFS with his HDS box. He asks now how he can do the
following:
- Create ZFS pool/fs on HDS LUNs
- Create Copy with ShadowImage inside HDS
- Disconnect ShadowImage
- Import ShadowImage with ZFS in addition to the existing ZFS pool/fs
I wonder how ZFS is hand
Hi Chris,
both server same setup. OS on local hw raid mirror, other filesystem on a SAN.
We found really bad performance but also that under that heavy I/O zfs pool was
something like freezed.
I mean, a zone living on the same zpool was completely unusable because of I/O
load.
We use FSS, but C
Hi
We have following scenario/problem:
Our zpool resides on a single LUN on a Hitachi Storage Array. We are
thinking about making a physical clone of the zpool with the ShadowImage
functionality.
ShadowImage takes a snapshot of the LUN, and copies all the blocks to a
new LUN (physical copy). In
Hi Gino,
Can you post the 'zpool status' for each pool and 'zfs get all'
for each fs; Any interesting data in the dmesg output ?
-r
Gino Ruopolo writes:
> Other test, same setup.
>
>
> SOLARIS10:
>
> zpool/a filesystem containing over 10Millions subdirs each containing
> 10 fil
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