looking for maximum performance with availability so that
narrows it down to a mirrored pool, unless your Postgresql workload is very
specific that raidz would fit, but beware of the performance hit.
Regards,
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/datasets from each one
independently.
http://download.oracle.com/docs/cd/E19963-01/html/821-1448/index.html
http://download.oracle.com/docs/cd/E18752_01/html/819-5461/index.html
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shouldn't panic
just because it can't import a pool.
Try booting with the kernel debugger on (add -kv to the grub kernel
line). Take a look at dumpadm.
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that is not a problem comments. With the 7000s appliance
I've heard that the 900hr estimated resilver time was normal and
everything is working as expected. Can't help but think there is some
walled garden syndrome floating around.
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On Wed, May 4, 2011 at 9:04 PM, Brandon High bh...@freaks.com wrote:
On Wed, May 4, 2011 at 2:25 PM, Giovanni Tirloni gtirl...@sysdroid.com
wrote:
The problem we've started seeing is that a zfs send -i is taking hours
to
send a very small amount of data (eg. 20GB in 6 hours) while a zfs
,
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Anyone else with over 600 hours of resilver time? :-)
Thank you,
Giovanni Tirloni (gtirl...@sysdroid.com)
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for this type of situation?
http://bugs.opensolaris.org/bugdatabase/view_bug.do?bug_id=6899970
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the LSI 2004/2008 HBAs connected to the backplane (both 3Gb/s
and 6Gb/s).
The MegaRAID ELP, when connected to the same backplane, doesn't exhibit
that behavior.
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Solaris and refuses to investigate it.
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basis. It's
not if they'll happen but how often.
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builds.
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in a
mirror. I've always wondered what exactly it was doing since it was supposed
to be 30 seconds worth of data. It also generates lots of checksum errors.
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. Was the autoreplace code
supposed to replace the faulty disk and release the spare when
resilver is done ?
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On Wed, Aug 11, 2010 at 4:06 PM, Cindy Swearingen
cindy.swearin...@oracle.com wrote:
Hi Giovanni,
The spare behavior and the autoreplace property behavior are separate
but they should work pretty well in recent builds.
You should not need to perform a zpool replace operation
have reported works OK.
If you want to try something in between b111 and b134, see the
following instructions:
http://blogs.sun.com/observatory/entry/updating_to_a_specific_build
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a vdev is degraded).
Thank you,
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On Fri, Jul 23, 2010 at 11:59 AM, Richard Elling rich...@nexenta.com wrote:
On Jul 23, 2010, at 2:31 AM, Giovanni Tirloni wrote:
Hello,
We've seen some resilvers on idle servers that are taking ages. Is it
possible to speed up resilver operations somehow?
Eg. iostat shows 5MB/s writes
On Fri, Jul 23, 2010 at 12:50 PM, Bill Sommerfeld
bill.sommerf...@oracle.com wrote:
On 07/23/10 02:31, Giovanni Tirloni wrote:
We've seen some resilvers on idle servers that are taking ages. Is it
possible to speed up resilver operations somehow?
Eg. iostat shows5MB/s writes
these issues.
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On Mon, Jul 19, 2010 at 7:12 AM, Joerg Schilling
joerg.schill...@fokus.fraunhofer.de wrote:
Giovanni Tirloni gtirl...@sysdroid.com wrote:
On Sun, Jul 18, 2010 at 10:19 PM, Miles Nordin car...@ivy.net wrote:
IMHO it's important we don't get stuck running Nexenta in the same
spot we're now
version 134.
Have you enabled compression or deduplication ?
Check the disks with `iostat -XCn 1` (look for high asvc_t times) and
`iostat -En` (hard and soft errors).
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see/change these thresholds ?
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I can't
get zpool status to show my pool.
vdev_path = /dev/dsk/c9t0d0s0
vdev_devid = id1,s...@ahitachi_hds7225scsun250g_0719bn9e3k=vfa100r1dn9e3k/a
parent_guid = 0xb89f3c5a72a22939
Does format(1M) show the devices where they once where ?
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/messages
Perhaps with the additional information someone here can help you
better. I don't have any experience with Windows 7 to guarantee that
it hasn't messes with the disk contents.
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the opposite.
Some companies are successfully doing the opposite of you: They are
using standard parts and a competent staff that knows how to create
solutions out of them without having to pay for GUI-powered systems
and a 4-hour on-site part swapping service.
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and packages, so
I can't envision that.
Would anyone have any ideas what may cause this?
It could be a disk failing and dragging I/O down with it.
Try to check for high asvc_t with `iostat -XCn 1` and errors in `iostat -En`
Any timeouts or retries in /var/adm/messages ?
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release.
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://www.nexenta.com/corp/documentation/nexentastor-changelog
Is there a bug tracker were one can objectively list all the bugs
(with details) that went into a release ?
Many bug fixes is a bit too general.
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.
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driver by default uses scsi_vhci, and scsi_vhci by
default does load-balance round-robin. Have you tried setting
load-balance=none in scsi_vhci.conf?
That didn't help.
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anymore so I'm
guessing it's something related to the mpt_sas driver.
I submitted bug #6963321 a few minutes ago (not available yet).
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Thanks guys - I will take a look at those clustered file systems.
My goal is not to stick with Windows - I would like to have a Storage pool for
XenServer (free) so that I can have guests, but using a storage server
(Opensolaris - ZFS) as the iSCSI storage pool.
Any suggestions for the added
Hi guys
I wanted to ask how i could setup a iSCSI device to be shared by 2 computers
concurrently, by that i mean sharing files like it was a NFS share but use
iSCSI instead.
I tried and setup iSCSI on both computers and was able to see my files (I had
formatted it NTFS before), from my
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Hi Guys
I am having trouble installing Opensolaris 2009.06 into my Biostar Tpower I45
motherboard, approved on BigAdmin HCL here:
http://www.sun.com/bigadmin/hcl/data/systems/details/26409.html -- why is it
not working?
My setup:
3x 1TB hard-drives SATA
1x 500GB hard-drive (I have only left
the differences between PCIe 1.0 and 2.0. My fault.
If Giovanni had put the Megaraid in this slot, he would have seen
an even lower throughput, around 600MB/s:
This slot is provided by the ICH10R which as you can see on:
http://www.supermicro.com/manuals/motherboard/5500/MNL-1062.pdf
for a
MegaRAID ELP.
I'm guessing the backplane and cable are the bottleneck here.
Any comments ?
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On Wed, May 26, 2010 at 9:22 PM, Brandon High bh...@freaks.com wrote:
On Wed, May 26, 2010 at 4:27 PM, Giovanni Tirloni gtirl...@sysdroid.com
wrote:
SuperMicro X8DTi motherboard
SuperMicro SC846E1 chassis (3Gb/s backplane)
LSI 9211-4i (PCIex x4) connected to backplane with a SFF-8087 cable
them back as configured any help is appreciated. Thanks
On Fri, May 7, 2010 at 9:45 PM, Ian Collins i...@ianshome.com wrote:
On 05/ 8/10 04:38 PM, Giovanni wrote:
Hi guys,
I have a quick question, I am playing around with ZFS and here's what I
did.
I created a storage pool with several
Hi,
Were you ever able to solve this problem on your AOC-SAT2-MV8 card? I am in
need of purchasing it to add more drives to my server.
Thanks
Giovanni
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of 24 would show that).
If you look in the archives, people have sent a few averaged I/O performance
numbers that you could compare to your workload.
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Hi guys,
I have a quick question, I am playing around with ZFS and here's what I did.
I created a storage pool with several drives. I unplugged 3 out of 5 drives
from the array, currently:
NAMESTATE READ WRITE CKSUM
gpool UNAVAIL 0 0 0
to version 19).
Right ?
This happened on OpenSolaris 2009.6.
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Hi guys
I am new to Opensolaris and ZFS world, I have 6x2TB SATA hdds on my system, I
picked a single 2TB disk and installed opensolaris (therefore zpool was created
by the installer)
I went ahead and created a new pool gpool with raidz (the kind of redundancy
I want. Here's the output:
Thank you. I was not aware that root pools could not be moved.
But here's the kicker, what if I have a single drive for root pool, and its
failing... I connect a new HDD to replace the boot drive thats dying, ZFS has
no way of migrating to a new drive?
Thanks
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in fmdump.
But check 'fmdump -eV' and see the actual errors that got created. You could
find something there.
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only need to make sure your system
will boot from the correct disk.
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could hack zfs.c to automatically handle editing the crontab but I
don't know if it's worth the effort.
Are you worried that cron will fail or is it just an aesthetic requirement ?
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idle time falls under a certain percentage.
What build of OpenSolaris are you using ?
Is it nearly freezing during all the process or just at the end ?
There was another thread where a similar issue was discusses a week ago.
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drives and advertise a
real 1TB disk using power-of-2 and show how people are being misled by
other vendors that use power-of-10. Highly unlikely but would sure get some
respect from the storage community.
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the filesystem
reservation. I'm not sure it's doable.
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of 10
Main memory is the odd one out.
My bad on generalizing that information.
Perhaps the software stack dealing with disks should be changed to use
power-of-10. Unlikely too.
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the relationship between
that and the defect database ? I'm still trying to understand the flow of
information here, since both databases seem to be used exclusively for
OpenSolaris but one is less open.
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opened for that but it doesn't seem to be implemented yet.
http://bugs.opensolaris.org/bugdatabase/view_bug.do?bug_id=6662467
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. You can try to import the pool
again and see if `fmdump -e` lists any errors afterwards.
You use the spare with `zpool replace`.
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of
encouragement or wisdom?
What does `iostat -En` say ?
My suggestion is to replace the cable that's connecting the c3t3d0 disk.
IMHO, the cable is much more likely to be faulty than a single port on the
disk controller.
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files being created on the
SSD disk ?
You can check device usage with `zpool iostat -v hdd`. Please also send the
output of `zpool status hdd`.
Thank you,
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there is nothing to read back from later when a read()
misses the ARC cache and checks L2ARC.
I don't know what your OLTP benchmark does but my advice is to check if it's
really writing files in the 'hdd' zpool mount point.
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of
3.7TByte.
Please check the ZFS FAQ:
http://hub.opensolaris.org/bin/view/Community+Group+zfs/faq
There is a question regarding the difference between du, df and zfs list.
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is incredible in terms of resilience and
performance, no doubt. Which makes me think the pretty interface becomes an
annoyance sometimes. Let's wait for 2010.Q1 :)
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. For small
datasets/snapshots that doesn't happen or is harder to notice.
Does ZFS have to do something special when it's done releasing the data
blocks at the end of the destroy operation ?
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together.
AFAIK, RAID0+1 is not supported since a vdev can only be of type disk,
mirror or raidz. And all vdevs are stripped together. Someone more
experienced in ZFS can probably confirm/deny this.
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0 0 0
c7t1d0 ONLINE 0 0 0
c7t2d0 ONLINE 0 0 0
cache
c7t22d0ONLINE 0 0 0
spares
c7t3d0 AVAIL
Any ideas?
Thank you,
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noted, it doesn't seem possible.
You could create a new zpool with this larger LUN and use zfs send/receive
to migrate your data.
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, and that
makes us all very nervous.
Any ideas?
Is it possible that your users are now deleting everything before starting
to write the backup data ?
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analogy, then by
all means lets hear it.
Dell joins the party:
http://lists.us.dell.com/pipermail/linux-poweredge/2010-February/041335.html
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fixed in other drives that Seagate/WD sells ?
For me it's just hard to objectively point out the differences between
Seagate's enterprise drives and the ones provided by Sun except that they
were tested more.
1 - http://en.wikipedia.org/wiki/Freebie_marketing
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. That is, for disk and
storage vendors. Not customers.
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' firmware is programmed
(timeouts, retries, etc) but so far nothing in the official docs. In
this case the disk's retry timeout seem way too high for our needs and
I believe a timeout limit imposed by the OS would help.
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On Mon, Jan 4, 2010 at 3:51 PM, Joerg Schilling
joerg.schill...@fokus.fraunhofer.de wrote:
Giovanni Tirloni tirl...@gmail.com wrote:
We use Seagate Barracuda ES.2 1TB disks and every time the OS starts
to bang on a region of the disk with bad blocks (which essentially
degrades the performance
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