To remind myself what the ARC stands for, I put up an entry on wikipedia and
a blog post.
The blog can be found at
http://hlangeveld.blogspot.com/2007/01/adaptive-replacement-cache-in-zfs.html
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yes I am an experienced Solaris admin and know all about devfsadm :-)
and the older disks command.
It doesn't help in this case. I think it's a BIOS thing. Linux and
Windows can't see IDE drives that aren't there at boot time either,
and on Solaris the SATA controller runs in some legacy mode s
Hi Frank,
try man devfsadm, it will update devfs with your new disk drives. disks
is an older command that does about the same thing.
Cheers,
Peter
Frank Cusack wrote:
On January 22, 2007 12:12:19 PM -0600 Brian Hechinger
<[EMAIL PROTECTED]> wrote:
On Mon, Jan 22, 2007 at 09:39:19AM -0800,
On January 23, 2007 3:38:32 PM +1100 "James C. McPherson"
<[EMAIL PROTECTED]> wrote:
/me groans ... more brokenness. I'll pass this onto some others in
our team who've been working on a similar issue.
Cool. I really hope Solaris gets good SAS support, it's a great
technology and a good complem
Frank Cusack wrote:
On January 23, 2007 8:53:30 AM +1100 "James C. McPherson"
...
Why would you start your numbering at 10?
Because you don't have a choice. It is up to the HBA and getting it
to do the right thing (ie, what you want) isn't always easy. IIRC,
the LSI Logic HBA(s) I had would
On January 23, 2007 8:53:30 AM +1100 "James C. McPherson"
<[EMAIL PROTECTED]> wrote:
Hi Frank,
Frank Cusack wrote:
Would you please expand upon this, because I'm really interested
in what your thoughts are. since I work on Sun's SAS driver :)
SAS is limited, by the Solaris driver, to 16 d
On January 22, 2007 12:12:19 PM -0600 Brian Hechinger
<[EMAIL PROTECTED]> wrote:
On Mon, Jan 22, 2007 at 09:39:19AM -0800, Frank Cusack wrote:
On January 21, 2007 12:15:22 AM -0200 Toby Thain <[EMAIL PROTECTED]>
wrote:
> To be clear: the X2100 drives are neither "hotswap" nor "hotplug" under
> S
Frank Cusack wrote:
On January 19, 2007 10:01:43 PM -0800 Dan Mick <[EMAIL PROTECTED]> wrote:
Scouting around a bit, I see SIIG has a 3132 chip, for which they make a
card, eSATA II, available in PCIe and PCIe ExpressCard formfactors. I
can't promise, but chances seem good that it's supported b
Hello all,
I have a question. Below are two ::memstat outputs about 5 days apart.
The interesting thing is the "anonymous" memory shows 2GB, though the
two major hogs of that memory (two MySQL instances) claim to be
consuming about 6.2GB (checked via pmap).
Also, it seems like the ARC keeps cree
Luke Schwab wrote:
Hi,
Does anyone know how to force the [b]zpool[/b] command to perform an overlay
when mounting the file system?
I get the following error:
# zpool import testpool
cannot mount '/testpool': directory is not empty
use legacy mountpoint to allow this behavior, or use the -O fla
I came across this thread hoping to find overwhelming support for the
Supermicro MV8 cards I have sitting around.
I must warn against the Areca's, my roommate was using one with OpenSolaris and
one day the exported raid array shrunk. ZFS reported the pool was corrupted,
and that he needed to s
Hello Wade,
Monday, January 22, 2007, 8:28:04 PM, you wrote:
WSfc> So,
WSfc> I am starting to code this CAS block squashing test and I am
WSfc> wondering if this is something that would more likely extend open Solaris
WSfc> (it does require additional info in zfs metadata that is curren
Prashanth Radhakrishnan wrote:
Is there someway to synchronously mount a ZFS filesystem?
> '-o sync' does not appear to be honoured.
No there isn't. Why do you think it is necessary?
James C. McPherson
--
Solaris kernel software engineer, system admin and troubleshooter
http://
>Is there someway to synchronously mount a ZFS filesystem?
>'-o sync' does not appear to be honoured.
What does that mean? None of the Solaris filesystems support
an option "sync".
What exactly do you want the sync option to do?
Casper
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Hi,
Is there someway to synchronously mount a ZFS filesystem?
'-o sync' does not appear to be honoured.
Thanks,
Prashanth
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[EMAIL PROTECTED] wrote:
That said, this definition is not always used consistently, as is the case
with the x2100. I filed a bug against the docs in this case, and unfortunately
it was closed as "will not fix." :-(
In the context of a hardware platform it makes little sense to
distinguish be
mike wrote:
I would suggest using a CompactFlash card for the OS. I believe it
works exactly like IDE, but is more reliable, sucks less power, and
frees up a slot for the larger drive...
I believe there is a write limit (commonly 10 writes) on CF and
similar storage devices, but I don't kno
Hi All,
I noticed a behavior on a ZFS filesystem that was confusing to me and
was hoping someone can shed some light on it. The summary is that I
created two files, waited one minute, bounced the node, and noticed the
files weren't there when the node came back. There was a bad disk at
the
Elm, Rob wrote:
For the most part, all SATA devices are hotswapable... If there is some
argument about the capability to hotswap in the x2200 M2, it's a limitation
of the OS/Drivers and not the hardware.
s/hotswappable/hot pluggable/g
sigh.
-- richard
Hi Frank,
Frank Cusack wrote:
On January 20, 2007 6:08:07 PM -0800 Richard Elling
Frank Cusack wrote:
On January 19, 2007 5:59:13 PM -0800 "David J. Orman"
card that supports SAS would be *ideal*,
Except that SAS support on Solaris is not very good.
One major problem is they treat it like s
I would suggest using a CompactFlash card for the OS. I believe it
works exactly like IDE, but is more reliable, sucks less power, and
frees up a slot for the larger drive...
On 1/22/07, Elm, Rob <[EMAIL PROTECTED]> wrote:
Hello ZFS Discussion Members,
I'm looking for help or advice on a proje
I'm dying here - does anyone know when or even if they will support these?
I had this whole setup planned out but it requires eSATA + port multipliers.
I want to use ZFS, but currently cannot in that fashion. I'd still
have to buy some [more expensive, noisier, bulky internal drive]
solution for
On 22-Jan-07, at 4:03 PM, Richard Elling wrote:
[EMAIL PROTECTED] wrote:
That said, this definition is not always used consistently, as is
the case
with the x2100. I filed a bug against the docs in this case, and
unfortunately
it was closed as "will not fix." :-(
In the context of a har
On 22-Jan-07, at 5:28 PM, Frank Cusack wrote:
> In short, the release note is confusing, so ignore it. Use x2100
> disks as hot pluggable like you've always used hot plug disks in
> Solaris.
Won't work - some of us have tested it.
Again, NO these drives are not hot pluggable and the relea
Areca makes excellent PCI express cards - but probably have zero
support in Solaris/OpenSolaris. I use them in both Windows and Linux.
Works natively in FreeBSD too. They're the fastest cards on the market
I believe still.
However probably not very appropriate for this since it's a Solaris-based
Elm, Rob wrote:
Hello ZFS Discussion Members,
I'm looking for help or advice on a project I'm working on:
I have a 939 Gigabyte motherboard, with 4 SATAII ports on the nForce4
chipset, and 4 SATA ports off the SIL3114 controller. I recently purchased
5, 320gig SATAII drives...
http://tiny
On January 22, 2007 12:45:29 PM -0800 "David J. Orman"
<[EMAIL PROTECTED]> wrote:
External SAS is pretty much a non-starter on Solaris
(today) so I think
you're left with iscsi or FC if you need more than
just a few drives and
you want to use Sun servers instead of building your
own.
I should a
> You can't actually use those adapters in the
> x2100/x2200 or even the
> x4100/x4200. The slots are "MD2" low profile slots
> and the 4 port adapters
> require a full height slot. Even the x4600 only has
> MD2 slots. So you can
> only use 2 port adapters. I think there are esata
> cards that
On January 22, 2007 12:03:51 PM -0800 "David J. Orman"
<[EMAIL PROTECTED]> wrote:
I know it seems ridiculous to HAVE to buy a 3rd party
card, but come
on it is only $50 or so. Assuming you don't need
both pci slots for
other uses.
I do. Two would have gone to external access for a JBOD (if tha
this is a good point, the mirror loses all information about the zpool.
this is very important for the ZFS Root pool, i don't know how often i have
broken the svm-mirror of the root disks, to clone a system and bring the disk
to a other system or use "live upgrade" and so on.
This message pos
On January 22, 2007 12:03:51 PM -0800 "David J. Orman"
<[EMAIL PROTECTED]> wrote:
I'd much prefer Sun products, however - I just expect them to support
Sun's flagship OS, and be supported fully. I'm going to look into the X4*
series assuming they don't have such problems with supported boot disk
> I know it seems ridiculous to HAVE to buy a 3rd party
> card, but come
> on it is only $50 or so. Assuming you don't need
> both pci slots for
> other uses.
I do. Two would have gone to external access for a JBOD (if that ever gets
sorted out, haha) - most external adapters seem to support 4 d
Hi David,
Glad to help! I don't want to bad-mouth the X2100 M2s that much,
because they have been solid. I believe the M2s are made/designed just
for Sun by Quanta Computer (http://www.quanta.com.tw/e_default.htm)
whereas the mobos in the original X2100 was Tyan Tiger with some
slight modificatio
On January 22, 2007 11:38:35 AM -0800 "David J. Orman"
<[EMAIL PROTECTED]> wrote:
Guess it's time to investigate Supermicro and Tyan solutions,
startup-essentials program or not - that makes no hardware sense.
I know it seems ridiculous to HAVE to buy a 3rd party card, but come
on it is only $5
> Hi David,
>
> Depending on the I/O you're doing the X4100/X4200 are
> much better
> suited because of the dual HyperTransport buses. As a
> storage box with
> GigE outputs you've got a lot more I/O capacity with
> two HT buses than
> one. That plus the X4100 is just a more solid box.
That much
On January 19, 2007 10:01:43 PM -0800 Dan Mick <[EMAIL PROTECTED]> wrote:
Scouting around a bit, I see SIIG has a 3132 chip, for which they make a
card, eSATA II, available in PCIe and PCIe ExpressCard formfactors. I
can't promise, but chances seem good that it's supported by si3124 driver
in So
Hi Guys,
The original X2100 was a pile of doggie doo-doo. All of our problems
with it go back to the atrocious quality of the nForce 4 Pro chipset.
The NICs in particular are just crap. The M2s are better, but the
MCP55 chipset has not resolved all of its flakiness issues. That being
said Sun des
> On January 22, 2007 11:19:40 AM -0800 "David J.
> Orman"
> <[EMAIL PROTECTED]> wrote:
> > I'm very confused now. Do the x2200m2s support "hot
> plug" of drives or
> > not? I can't believe it's that confusing/difficult.
> They do or they
> > don't.
>
> Running Solaris, they do not.
Wow. What wa
Hi David,
Depending on the I/O you're doing the X4100/X4200 are much better
suited because of the dual HyperTransport buses. As a storage box with
GigE outputs you've got a lot more I/O capacity with two HT buses than
one. That plus the X4100 is just a more solid box. The X2100 M2 while
a vast im
For the most part, all SATA devices are hotswapable... If there is some
argument about the capability to hotswap in the x2200 M2, it's a limitation
of the OS/Drivers and not the hardware.
Sincerely,
Rob Elm
System Analyst
Clark Consulting
3600 American Boulevard West
Bloomington, MN 55431
[EM
On January 22, 2007 11:19:40 AM -0800 "David J. Orman"
<[EMAIL PROTECTED]> wrote:
I'm very confused now. Do the x2200m2s support "hot plug" of drives or
not? I can't believe it's that confusing/difficult. They do or they
don't.
Running Solaris, they do not.
I don't care if I can just yank a d
> Not to be picky, but the X2100 and X2200 series are
> NOT
> designed/targeted for disk serving (they don't even
> have redundant power
> supplies). They're compute-boxes. The X4100/X4200
> are what you are
> looking for to get a flexible box more oriented
> towards disk i/o and
> expansion.
I
> In short, the release note is confusing, so ignore it. Use x2100
> disks as hot pluggable like you've always used hot plug disks in
> Solaris.
Again, NO these drives are not hot pluggable and the release note is
accurate. PLEASE get a system to test. Or take our word for it.
hmm I think I
So,
I am starting to code this CAS block squashing test and I am
wondering if this is something that would more likely extend open Solaris
(it does require additional info in zfs metadata that is currently reserved
space for future, ie zfs revision++) or if I should code against the FUSE
> Hi Frank,
>
> I'm sure Richard will check it out. He's a very good
> guy and not
> trying to jerk you around. I'm sure the hostility
> isn't warranted. :-)
>
> Best Regards,
> Jason
I'm very confused now. Do the x2200m2s support "hot plug" of drives or not? I
can't believe it's that confusing
I certainly did NOT mean any hostility whatsoever. I highly value what
Richard offers in this forum. I'm just frustrated at the misinformation
which is being presented as authoritative. Repeatedly.
But to be clear, in my mind Richard is one of the "good ones" and I
eagerly read what he has to
Hi Frank,
I'm sure Richard will check it out. He's a very good guy and not
trying to jerk you around. I'm sure the hostility isn't warranted. :-)
Best Regards,
Jason
On 1/22/07, Frank Cusack <[EMAIL PROTECTED]> wrote:
On January 22, 2007 10:03:14 AM -0800 Richard Elling
<[EMAIL PROTECTED]> wro
On January 22, 2007 10:03:14 AM -0800 Richard Elling
<[EMAIL PROTECTED]> wrote:
Toby Thain wrote:
> To be clear: the X2100 drives are neither "hotswap" nor "hotplug" under
> Solaris. Replacing a failed drive requires a reboot.
I do not believe this is true, though I don't have one to test.
W
Hi,
Does anyone know how to force the [b]zpool[/b] command to perform an overlay
when mounting the file system?
I get the following error:
# zpool import testpool
cannot mount '/testpool': directory is not empty
use legacy mountpoint to allow this behavior, or use the -O flag
I can mount an ove
[EMAIL PROTECTED] wrote:
That said, this definition is not always used consistently, as is the case
with the x2100. I filed a bug against the docs in this case, and unfortunately
it was closed as "will not fix." :-(
In the context of a hardware platform it makes little sense to
distinguish be
Hello ZFS Discussion Members,
I'm looking for help or advice on a project I'm working on:
I have a 939 Gigabyte motherboard, with 4 SATAII ports on the nForce4
chipset, and 4 SATA ports off the SIL3114 controller. I recently purchased
5, 320gig SATAII drives...
http://tinyurl.com/yf5z9o
I
On January 21, 2007 12:15:22 AM -0200 Toby Thain <[EMAIL PROTECTED]> wrote:
To be clear: the X2100 drives are neither "hotswap" nor "hotplug" under
Solaris. Replacing a failed drive requires a reboot.
Also, adding a drive that wasn't present at boot requires a reboot.
-frank
__
On January 20, 2007 6:08:07 PM -0800 Richard Elling
<[EMAIL PROTECTED]> wrote:
Frank Cusack wrote:
On January 19, 2007 5:59:13 PM -0800 "David J. Orman"
<[EMAIL PROTECTED]> wrote:
card that supports SAS would be *ideal*,
Except that SAS support on Solaris is not very good.
One major problem
On January 22, 2007 8:15:46 AM -0800 Frank Cusack <[EMAIL PROTECTED]>
wrote:
On January 21, 2007 7:38:01 AM -0600 Al Hopper <[EMAIL PROTECTED]>
wrote:
On Sun, 21 Jan 2007, James C. McPherson wrote:
... snip
Would you please expand upon this, because I'm really interested
in what your thou
Hi.
Fortunately I haven't.
I reinstalled system to snv_55b (fresh install) on c0d1 disk preserving c0d1s0
slice as there's my home pool. Before re-install home pool was actually an
mirror between c0d0s0 and c0d1s0. Unfortunatelly I haven't checked to preserve
data on c0d0 so its vtoc was
On January 21, 2007 7:38:01 AM -0600 Al Hopper <[EMAIL PROTECTED]>
wrote:
On Sun, 21 Jan 2007, James C. McPherson wrote:
... snip
Would you please expand upon this, because I'm really interested
in what your thoughts are. since I work on Sun's SAS driver :)
Hi James - just the man I
> but the only acceptable way is the host based
> mirror with vxvm. so we can migrate manuelly in a few
> weeks but without downtime.
Detaching mirrors is actually easy with ZFS. I've done in several times. Look
at:
zpool detach pool device
The problem here is that the detached side loses all i
>Is there an BIOS uptade for Ultra20 to make it understand EFI?
Understanding EFI is perhaps asking too much; but I believe the
latest BIOS no longer hangs/crashes when it encountered EFI labels
on disks it examines. (All disks it probes)
Casper
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