TAG TIMESTAMP
a/1/hold@hold saveme! Wed Feb 20 15:06:29 2013
# zfs destroy -r a/1
cannot destroy 'a/1/hold@hold': snapshot is busy
Extending the hold mechanism to filesystems and volumes would be quite nice.
Mike
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nce I reran the test with a Crucial M4
SSD and the results for 16G/64k were 35mB/s (x5 improvement).
I'll rerun that part of the test with zpool iostat and see what it says.
Mike
On Thu, Jul 19, 2012 at 7:27 PM, Jim Klimov wrote:
>> This is normal. The problem is that with zfs 128k block
vfs.zfs.txg.synctime_ms: 1000
vfs.zfs.txg.timeout: 5
On Thu, Jul 19, 2012 at 8:47 PM, John Martin wrote:
> On 07/19/12 19:27, Jim Klimov wrote:
>
>> However, if the test file was written in 128K blocks and then
>> is rewritten with 64K blocks, then Bob's answer is probably
>> valid - the block wo
ion ./
COMPRESS
on
$ dd if=/dev/zero of=1gig count=1024 bs=1024k
1024+0 records in
1024+0 records out
$ ls -l 1gig
-rw-r--r-- 1 mgerdts staff1073741824 Jul 10 07:52 1gig
$ du -k 1gig
0 1gig
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er I can see the
> following input stream bandwidth (the stream is constant bitrate, so
> this shouldn't happen):
If processing in interrupt context (use intrstat) is dominating cpu
usage, you may be able to use pcitool to cause the device generating
a
ing
https://forums.oracle.com/forums/thread.jspa?threadID=2380689&tstart=15
before updating to SRU 6 (SRU 5 is fine, however). The fix for the
problem mentioned in that forums thread should show up in an upcoming
SRU via CR 7157313.
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r 26 18:25:25 CDT 2012 [ 1332804325.889143166 ]
ct = Mar 26 18:25:25 CDT 2012 [ 1332804325.889143166 ]
bsz=131072 blks=32fs=zfs
Notice that it says it has 32 512 byte blocks.
The mechanism you suggest does work for every other file system that
I've tried it on.
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2012/3/26 ольга крыжановская :
> How can I test if a file on ZFS has holes, i.e. is a sparse file,
> using the C api?
See SEEK_HOLE in lseek(2).
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-
/dev/chassis//SYS/SASBP/HDD0/disk disk c0t5000CCA012B66E90d0
/dev/chassis//SYS/SASBP/HDD1/disk disk c0t5000CCA012B68AC8d0
The text in the left column represents text that should be printed on
the corresponding disk slots.
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> its thing.
>
> chicken / egg situation? I miss the old fail safe boot menu...
You can mount it pretty much anywhere:
mkdir /tmp/foo
zfs mount -o mountpoint=/tmp/foo ...
I'm not sure when the temporary mountpoint option (-o mountpoint=...)
came in. If it's not valid synt
as not updated from Solaris
11 Express), it will have a separate /var dataset.
zfs mount -o mountpoint=/mnt/rpool/var rpool/ROOT/solaris/var
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impact if an errant command were issued. I'd never do that in
production without some form of I/O fencing in place.
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On Thu, Aug 4, 2011 at 2:47 PM, Stuart James Whitefish
wrote:
> # zpool import -f tank
>
> http://imageshack.us/photo/my-images/13/zfsimportfail.jpg/
I encourage you to open a support case and ask for an escalation on CR 7056738.
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I suspect that
it doesn't give you exactly the output you are looking for.
FWIW, the best way to achieve what you are after without breaking the
zones is going to be along the lines of:
zlogin z1c1 init 0
zoneadm -z z1c1 detach
zfs rename rpool/zones/z1c1 rpool/new/z1c1
zoneadm -
reated in
757 * a special directory, $EXTEND, at the root of the shared file
758 * system. To hide this directory prepend a '.' (dot).
759 */
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dding a good enterprise SSD would double the
> server cost - not only on those big good systems with
> tens of GB of RAM), and hopefully simplifying the system
> configuration and maintenance - that is indeed the point
> in question.
>
> //Jim
>
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/zonecfg.export
zoneadm -z attach [-u|-U]
Any follow-ups should probably go to Oracle Support or zones-discuss.
Your problems are not related to zfs.
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enunix: [ID 877030 kern.notice] Copyright (c) 1983,
> 2010, Oracle and/or its affiliates. All rights reserved.
>
> Can anyone help?
>
> Regards
> Karl
>
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underlying file
system zfs vs ufs. Any thoughts to speed up the backup of the Sun 7000 nfs
mount?
Thanks you.
Mike MacNeil
Global IT Infrastructure
[cid:image001.gif@01CBDF3D.6192F090]
4281 Harvester Rd.
Burlington, ON l7l 5m4
Canada
Phone: 905 632 2999 ext.2920
Fax: 905 632 2055
Email
from
http://www.addonics.com/
(They ship to Canada as well without issue)
Why use USB ? You wll get much better performance/throughput on eSata
(if you have good drivers of course). I use their sil3124 eSata
controller on FreeBSD as well as a number of PM units and they work great.
---Mike
On 1/31/2011 4:19 PM, Mike Tancsa wrote:
> On 1/31/2011 3:14 PM, Cindy Swearingen wrote:
>> Hi Mike,
>>
>> Yes, this is looking much better.
>>
>> Some combination of removing corrupted files indicated in the zpool
>> status -v output, running zpool scrub and
On 1/31/2011 3:14 PM, Cindy Swearingen wrote:
> Hi Mike,
>
> Yes, this is looking much better.
>
> Some combination of removing corrupted files indicated in the zpool
> status -v output, running zpool scrub and then zpool clear should
> resolve the corruption, but its d
On 1/29/2011 6:18 PM, Richard Elling wrote:
>
> On Jan 29, 2011, at 12:58 PM, Mike Tancsa wrote:
>
>> On 1/29/2011 12:57 PM, Richard Elling wrote:
>>>> 0(offsite)# zpool status
>>>> pool: tank1
>>>> state: UNAVAIL
>>>> status: O
On 1/30/2011 12:39 AM, Richard Elling wrote:
>> Hmmm, doesnt look good on any of the drives.
>
> I'm not sure of the way BSD enumerates devices. Some clever person thought
> that hiding the partition or slice would be useful. I don't find it useful.
> On a Solaris
> system, ZFS can show a disk
On 1/29/2011 6:18 PM, Richard Elling wrote:
>> 0(offsite)#
>
> The next step is to run "zdb -l" and look for all 4 labels. Something like:
> zdb -l /dev/ada2
>
> If all 4 labels exist for each drive and appear intact, then look more closely
> at how the OS locates the vdevs. If you can't so
age like this ? Its just for backups
of backups in a DR site
---Mike
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But they seem OK now. Same
order as well.
# camcontrol devlist
at scbus0 target 0 lun 0
(pass0,ada0)
at scbus0 target 1 lun 0
(pass1,ada1)
at scbus0 target 2 lun 0
(pass2,ada2)
at scbus0 target 3 lun 0
(pass3,ada3)
# dd if=/dev/ada2 of=/dev/null count=20 bs=1024
20+0 records in
20
Hi,
I am using FreeBSD 8.2 and went to add 4 new disks today to expand my
offsite storage. All was working fine for about 20min and then the new
drive cage started to fail. Silly me for assuming new hardware would be
fine :(
The new drive cage started to fail, it hung the server and the
I am trying to bring in my zpool from build 121 into build 134 and every time I
do a zpool import the system crashes.
I have read other posts for this and have tried setting zfs_recover = 1 and
aok = 1 in /etc/system I have used mdb to verify that they are in the kernel
but the system still cr
ms.
Perhaps this belongs somewhere other than zfs-discuss - it has nothing
to do with zfs.
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On Wed, Oct 27, 2010 at 9:27 AM, bhanu prakash wrote:
> Hi Mike,
>
>
> Thanks for the information...
>
> Actually the requirement is like this. Please let me know whether it matches
> for the below requirement or not.
>
> Question:
>
> The SAN team will assign the
me that you are comfortable that the zone data moved over ok...
zfs destroy -r oldpool/zones
Again, verify the procedure works on a test/lab/whatever box before
trying it for real.
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przemol,
Thanks for the feedback. I had incorrectly assumed that any machine running
the script would have L2ARC implemented (which is not the case with Solaris
10). I've added a check for this that allows the script to work on non-L2ARC
machines as long as you don't specify L2ARC stats on th
Hello Christian,
Thanks for bringing this to my attention. I believe I've fixed the rounding
error in the latest version.
http://github.com/mharsch/arcstat
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For posterity, I'd like to point out the following:
neel's original arcstat.pl uses a crude scaling routine that results in a large
loss of precision as numbers cross from Kilobytes to Megabytes to Gigabytes.
The 1G reported arc size case described here, could actually be anywhere
between 1,00
On Mon, Sep 27, 2010 at 6:23 AM, Robert Milkowski wrote:
> Also see http://www.symantec.com/connect/virtualstoreserver
And
http://blog.scottlowe.org/2008/12/03/2031-enhancements-to-netapp-cloning-technology/
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On 9/23/2010 at 12:38 PM Erik Trimble wrote:
| [snip]
|If you don't really care about ultra-low-power, then there's
absolutely
|no excuse not to buy a USED server-class machine which is 1- or 2-
|generations back. They're dirt cheap, readily available,
| [snip]
=
Anyone have
On Thu, Sep 16, 2010 at 08:15:53AM -0700, Rich Teer wrote:
> On Thu, 16 Sep 2010, Erik Ableson wrote:
>
> > OpenSolaris snv129
>
> Hmm, SXCE snv_130 here. Did you have to do any server-side tuning
> (e.g., allowing remote connections), or did it just work out of the
> box? I know that Sendmail
effect that data? zpool consists of 8 SANs
Luns.
Thanks
mike
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On Wed, Sep 15, 2010 at 12:08:20PM -0700, Nabil wrote:
> any resolution to this issue? I'm experiencing the same annoying
> lockd thing with mac osx 10.6 clients. I am at pool ver 14, fs ver
> 3. Would somehow going back to the earlier 8/2 setup make things
> better?
As noted in the earlier thr
around the b137 timeframe.
OpenIndiana, to be released on Tuesday, is based on b146 or later.
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s)
Presumably this problem is being worked...
http://hg.genunix.org/onnv-gate.hg/rev/d560524b6bb6
Notice that it implements:
866610 Add SATA TRIM support
With this in place, I would imagine a next step is for zfs to issue
TRIM commands as zil entries have been committed to the data disks.
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Update: version 3.2.5 out now, with changes to better support snv_134:
http://forums.halcyoninc.com/showthread.php?t=368
If you've downloaded v3.2.4 and are on 09/06, there is no reason to upgrade.
Regards,
mike.k...@halcyoninc.com
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Is it currently or near future possible to shrink a zpool "remove a disk"
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Hi zfs user,
> Is the beta free? for how long? if not how much for 5 machines?
Everything on our web site (including the beta) runs for 30 days with the
baked-in license. After 30 days it will stop collecting fresh numbers, unless
you add a license key, or a demo extension file from the sales t
Hi wonslung,
Thanks for posting to our forum: I'll respond there and take things off-list.
Sounds like it's the same bug that appeared with the Sol10 July EIS: (which
snv_134 obviously got the changes for first, and that wasn't in 09/06). Fixing
it now...
mike.k...@halcyoninc.com
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This mess
laris: we're
keeping our eyes on Solaris 11 Express / Illumos and aim to support the more
advanced features of Solaris 11 the day it's pushed out the door.
Thanks for your time!
Regards,
Mike dot Kirk at HalcyonInc dot com
* previous build: http://opensolaris.org/jive/thread.jspa?thre
What I would really like to know is why do pci-e raid controller cards cost
more than an entire motherboard with processor. Some cards can cost over $1,000
dollars, for what.
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zfs-
Bump this up. Anyone?
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On 8/13/2010 at 8:56 PM Eric D. Mudama wrote:
|On Fri, Aug 13 at 19:06, Frank Cusack wrote:
|>Interesting POV, and I agree. Most of the many "distributions" of
|>OpenSolaris had very little value-add. Nexenta was the most
interesting
|>and why should Oracle enable them to build a business at t
hen I boot on using LiveCD, how can I mount my first drive that has
> opensolaris installed ?
To list the zpools it can see:
zpool import
To import one called rpool at an alternate root:
zpool import -R /mnt rpool
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We are going to be migrating to a new EMC frame using Open Replicator.
ZFS is sitting on volumes that are running MPXIO. So the controller number/disk
number is going to change when we reboot the server. I would like to konw if
anyone has done this and will the zfs filesystems "just work" and fi
That looks like that will work. Won't be able to test until late tonight.
Thanks
mike
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Thanks adding mount did allow me to create it but does not allow me to create
the mountpoint.
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I am trying to give a general user permissions to create zfs filesystems in the
rpool.
zpool set=delegation=on rpool
zfs allow create rpool
both run without any issues.
zfs allow rpool reports the user does have create permissions.
zfs create rpool/test
cannot create rpool/test : permission d
On Mon, Jul 26, 2010 at 2:56 PM, Miles Nordin wrote:
>>>>>> "mg" == Mike Gerdts writes:
> mg> it is rather common to have multiple 1 Gb links to
> mg> servers going to disparate switches so as to provide
> mg> resilience in the face of switc
On Mon, Jul 26, 2010 at 1:27 AM, Garrett D'Amore wrote:
> On Sun, 2010-07-25 at 21:39 -0500, Mike Gerdts wrote:
>> On Sun, Jul 25, 2010 at 8:50 PM, Garrett D'Amore wrote:
>> > On Sun, 2010-07-25 at 17:53 -0400, Saxon, Will wrote:
>> >>
>> >> I
ration choices, and and
a bit of luck.
Note that with Sun Trunking there was an option to load balance using
a round robin hashing algorithm. When pushing high network loads this
may cause performance problems with reassembly.
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it looks as though znode_t's z_seq may be useful.
While it isn't a checksum, it seems to be incremented on every file
change.
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etting data 32 KB at a time. How
does 32 KB compare to the database block size? How does 32 KB compare
to the block size on the relevant zfs filesystem or zvol? Are blocks
aligned at the various layers?
http://blogs.sun.com/dlutz/entry/partition_alignment_guidelines_for_unified
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h
ut 32 KB I/O's. I think you can perform a
test that involves mainly the network if you use netperf with options
like:
netperf -H $host -t TCP_RR -r 32768 -l 30
That is speculation based on reading
http://www.netperf.org/netperf/training/Netperf.html. Someone else
(perhaps
y good point. You can use a combination of "zpool iostat" and
fsstat to see the effect of reads that didn't turn into physical I/Os.
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2 'kstat
stmf' outputs on a 5 min interval and a 'zpool iostat -v 30 5' which would help
visualize the I/O behavior.
Regards,
Mike
http://blog.laspina.ca/
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I havnt tried it yet, but supposedly this will backup/restore the
comstar config:
$ svccfg export -a stmf > comstar.bak.${DATE}
If you ever need to restore the configuration, you can attach the
storage and run an import:
$ svccfg import comstar.bak.${DATE}
- Mike
On 6/28/10,
engineering where group projects were common
and CAD, EDA, and simulation tools could generate big files very
quickly.
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ent mail
system should already dedup. Or at least that is how I would have
written it for the last decade or so...
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s=513 count=204401
# repeatedly feed that file to dd
while true ; do cat /tmp/randomdataa ; done | dd of=/my/test/file
bs=... count=...
The above should make it so that it will take a while before there are
two blocks that are identical, thus confounding deduplication as well.
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Sorry, turned on html mode to avoid gmail's line wrapping.
On Mon, May 31, 2010 at 4:58 PM, Sandon Van Ness wrote:
> On 05/31/2010 02:52 PM, Mike Gerdts wrote:
> > On Mon, May 31, 2010 at 4:32 PM, Sandon Van Ness
> wrote:
> >
> >> On 05/31/2010 01:51 PM, Bob Fri
then a few tenths of a percent, you are probably short
on CPU.
It could also be that interrupts are stealing cycles from rsync.
Placing it in a processor set with interrupts disabled in that
processor set may help.
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rs,
ARC, etc. If the processes never page in the pages that have been
paged out (or the processes that have been swapped out are never
scheduled) then those pages will not consume RAM.
The best thing to do with processes that can be swapped out forever is
to not run them.
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On Thu, Apr 22, 2010 at 02:53:37PM -0700, Rich Teer wrote:
> On Thu, 22 Apr 2010, Mike Mackovitch wrote:
>
> > I would also check /var/log/system.log and /var/log/kernel.log on the Mac to
> > see if any other useful messages are getting logged.
>
> Ah, we're gett
On Thu, Apr 22, 2010 at 01:54:26PM -0700, Rich Teer wrote:
> On Thu, 22 Apr 2010, Mike Mackovitch wrote:
>
> Hi Mike,
>
> > So, it looks like you need to investigate why the client isn't
> > getting responses from the server's "lockd".
> >
>
On Thu, Apr 22, 2010 at 12:40:37PM -0700, Rich Teer wrote:
> On Thu, 22 Apr 2010, Tomas Ögren wrote:
>
> > Copying via terminal (and cp) works.
>
> Interesting: if I copy a file *which has no extended attributes* using cp in
> a terminal, it works fine. If I try to cp a file that has EA (to the
I would appreciate if somebody can clarify a few points.
I am doing some random WRITES (100% writes, 100% random) testing and observe
that ARC grows way beyond the "hard" limit during the test. The hard limit is
set 512 MB via /etc/system and I see the size going up to 1 GB - how come is it
I am trying to see how ZFS behaves under resource starvation - corner cases in
embedded environments. I see some very strange behavior. Any help/explanation
would really be appreciated.
My current setup is :
OpenSolaris 111b (iSCSI seems to be broken in 132 - unable to get multiple
connections/
llions of files with relatively few changes.
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ific butype_name
strings accessible
via the NDMP_CONFIG_GET_BUTYPE_INFO request.
http://www.ndmp.org/download/sdk_v4/draft-skardal-ndmp4-04.txt
It seems pretty clear from this that an NDMP data stream can contain
most anything and is dependent on the devi
hat a similar argument could be made for storing the zfs send
data streams on a zfs file system. However, it is not clear why you
would do this instead of just zfs send | zfs receive.
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On Mon, Feb 8, 2010 at 9:04 PM, grarpamp wrote:
> PS: Is there any way to get a copy of the list since inception
> for local client perusal, not via some online web interface?
You can get monthly .gz archives in mbox format from
http://mail.opensolaris.org/pipermail/zfs-discuss/.
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On Mon, Jan 25, 2010 at 2:32 AM, Kjetil Torgrim Homme
wrote:
> Mike Gerdts writes:
>
>> John Hoogerdijk wrote:
>>> Is there a way to zero out unused blocks in a pool? I'm looking for
>>> ways to shrink the size of an opensolaris virtualbox VM and using the
On Sat, Jan 23, 2010 at 11:55 AM, John Hoogerdijk
wrote:
> Mike Gerdts wrote:
>>
>> On Fri, Jan 22, 2010 at 1:00 PM, John Hoogerdijk
>> wrote:
>>
>>>
>>> Is there a way to zero out unused blocks in a pool? I'm looking for ways
>>>
at you should be able to just use mkfile or "dd
if=/dev/zero ..." to create a file that consumes most of the free
space then delete that file. Certainly it is not an ideal solution,
but seems quite likely to be effective.
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_
se gnu tar to extract data. This seems to be
most useful when you need to recover master and/or media servers and
to be able to extract your data after you no longer use netbackup.
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56
-rw-r--r-- 1 428411 Jan 22 04:14 sha256.Z
-rw-r--r-- 1 321846 Jan 22 04:14 sha256.bz2
-rw-r--r-- 1 320068 Jan 22 04:14 sha256.gz
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Mike Gerdts
http://mgerdts.blogspot.com/
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I use zfs send/recv in the enterprise and in smaller environments all time and
it's is excellent.
Have a look at how awesome the functionally is in this example.
http://blog.laspina.ca/ubiquitous/provisioning_disaster_recovery_with_zfs
Regards,
Mike
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This message posted
data stream
> compared to other archive formats. In general it is strongly discouraged for
> these purposes.
>
Yet it is used in ZFS flash archives on Solaris 10 and are slated for
use in the successor to flash archives. This initial proposal seems
to imply using the same
On Fri, Jan 8, 2010 at 12:28 PM, Torrey McMahon wrote:
> On 1/8/2010 10:04 AM, James Carlson wrote:
>>
>> Mike Gerdts wrote:
>>
>>>
>>> This unsupported feature is supported with the use of Sun Ops Center
>>> 2.5 when a zone is put on a "NAS St
On Fri, Jan 8, 2010 at 9:11 AM, Mike Gerdts wrote:
> I've seen similar errors on Solaris 10 in the primary domain and on a
> M4000. Unfortunately Solaris 10 doesn't show the checksums in the
> ereport. There I noticed a mixture between read errors and checksum
> errors -
On Fri, Jan 8, 2010 at 5:28 AM, Frank Batschulat (Home)
wrote:
[snip]
> Hey Mike, you're not the only victim of these strange CHKSUM errors, I hit
> the same during my slightely different testing, where I'm NFS mounting an
> entire, pre-existing remote file living in the zpoo
ot a good idea in any sort
> of production environment?"
>
> It sounds like a bug, sure, but the fix might be to remove the option.
This unsupported feature is supported with the use of Sun Ops Center
2.5 when a zone is put on a "NAS Storage Library".
--
Mike Gerd
errors from
"zoneadm install", which under the covers does a pkg image create
followed by *multiple* pkg install invocations. No checksum errors
pop up there.
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Mike Gerdts
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[removed zones-discuss after sending heads-up that the conversation
will continue at zfs-discuss]
On Mon, Jan 4, 2010 at 5:16 PM, Cindy Swearingen
wrote:
> Hi Mike,
>
> It is difficult to comment on the root cause of this failure since
> the several interactions of these features
e appreciated.
>
> Thanks,
> Mikko
>
> --
> Mikko Lammi | l...@lmmz.net | http://www.lmmz.net
>
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Mike Gerdts
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Thanks for the response Marion. I'm glad that I"m not the only one. :)
Message was edited by: mijohnst
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I'm just wondering what some of you might do with your systems.
We have an EMC Clariion unit that I connect several sun machines to. I allow
the EMC to do it's hardware raid5 for several luns and then I stripe them
together. I considered using raidz and just configuring the EMC as a JBOD, bu
Just thought I would let you all know that I followed what Alex suggested along
with what many of you pointed out and it worked! Here are the steps I followed:
1. Break root drive mirror
2. zpool export filesystem
3. run the command to start MPIOX and reboot the machine
4. zpool import filesystem
ndancy choices then there is no
need for any rocket scientists. :)
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Mike Gerdts
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t; could reclaim those
blocks. This is just a variant of the same problem faced with
expensive SAN devices that have thin provisioning allocation units
measured in the tens of megabytes instead of hundreds to thousands of
kilobytes.
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On Tue, Dec 22, 2009 at 8:02 PM, Mike Gerdts wrote:
> I've been playing around with zones on NFS a bit and have run into
> what looks to be a pretty bad snag - ZFS keeps seeing read and/or
> checksum errors. This exists with S10u8 and OpenSolaris dev build
> snv_129. This is
0
/mnt/osolzone/root DEGRADED 0 0 117 too many errors
errors: No known data errors
r...@soltrain19# zlogin osol uptime
5:31pm up 1 min(s), 0 users, load average: 0.69, 0.38, 0.52
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Mike Gerdts
http://mgerdts.blogspot.com/
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