thank you very much. i solved that problem other way, finally ending in
NFS root.
but i still need raw block device as swap device, which will (rarely) be
in active use.
What do you recommend - iscsi or geom_gate.
the latter is 100 times more simple, and i like simple solutions
how to do it?
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On 23/02/2013 10:52, Wojciech Puchar wrote:
how to do it?
Only way I know to get iscsi that early would be to use
http://freebsd.1045724.n5.nabble.com/iSCSI-boot-driver-0-2-5-isboot-ko-has-been-released-td5736301.html
I never did get round to trying it myself though
Vince
On Mon, Dec 17, 2012 at 05:22:50PM -0500, Rick Macklem wrote:
Zaphod Beeblebrox wrote:
Does windows 7 support nfs v4, then? Is it expected (ie: is it
worthwhile
trying) that nfsv4 would perform at a similar speed to iSCSI? It would
seem that this at least requires active directory
On 12/12/2012 17:57, Zaphod Beeblebrox wrote:
The performance of the iSCSI disk is
about the same as the local disk for some operations --- faster for
some, slower for others. The workstation has 12G of memory and it's
my perception that iSCSI is heavily cached and that this enhances it's
for something, which involves network traffic and round-trip
delays.
Not that. The problem is that windows do not use all free memory for
caching as with local or local (iSCSI) disk.
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as with local or local (iSCSI) disk.
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Does windows 7 support nfs v4, then? Is it expected (ie: is it worthwhile
trying) that nfsv4 would perform at a similar speed to iSCSI? It would
seem that this at least requires active directory (or this user name
mapping ... which I remember being hard
Zaphod Beeblebrox wrote:
Does windows 7 support nfs v4, then? Is it expected (ie: is it
worthwhile
trying) that nfsv4 would perform at a similar speed to iSCSI? It would
seem that this at least requires active directory (or this user name
mapping ... which I remember being hard).
As far as I
On Mon, Dec 17, 2012 at 2:22 PM, Rick Macklem rmack...@uoguelph.ca wrote:
Zaphod Beeblebrox wrote:
Does windows 7 support nfs v4, then? Is it expected (ie: is it
worthwhile
trying) that nfsv4 would perform at a similar speed to iSCSI? It would
seem that this at least requires active
you cannot compare file serving and block device serving.
On Mon, 17 Dec 2012, Zaphod Beeblebrox wrote:
Does windows 7 support nfs v4, then? Is it expected (ie: is it worthwhile
trying) that nfsv4 would perform at a similar speed to
iSCSI? It would seem that this at least requires active
packets to the switch (if that matters at all).
Some time ago, I created a 2T iSCSI disk on ZFS to serve the Steam
directory (games) on my C drive as it was growing rather large. I've
been quite happy with this. The performance of the iSCSI disk is
about the same as the local disk for some operations
about the same as the local disk for some operations --- faster for
some, slower for others. The workstation has 12G of memory and it's
my perception that iSCSI is heavily cached and that this enhances it's
any REAL test means doing something that will not fit in cache.
But this is imperfect
as you show your needs for unshared data for single workstation is in
order of single large hard drive.
reducing drive count on file server by one and connecting this one drive
directly to workstation is the best solution
___
On Wed, Dec 12, 2012 at 5:16 PM, Wojciech Puchar
woj...@wojtek.tensor.gdynia.pl wrote:
about the same as the local disk for some operations --- faster for
some, slower for others. The workstation has 12G of memory and it's
my perception that iSCSI is heavily cached and that this enhances it's
common to move from area to area in the game loading, unloading and
reloading the same data. My test is a valid comparison of the two
modes of loading the game ... from iSCSI and from SMB.
i don't know how windows cache network shares (iSCSI is treated as
local not network). Here is a main
-Original Message-
From: Zaphod Beeblebrox
Sent: Wednesday, December 12, 2012 6:57 PM
To: FreeBSD Hackers
Subject: iSCSI vs. SMB with ZFS.
So... I have two machines. My Fileserver is a core-2-duo machine with
FreeBSD-9.1-ish ZFS, istgt and samba 3.6. My workstation is windows 7
Thanks Danny,
The patch work fine, but i have new problem:
Have two servers 7.0R with iscsi-2.1.
They are mounted the same directory way iSCSI. When I create an archive
inside of this directory in the server A, the server B don't show the
archive, if in the server B to unmount and mount
In the last episode (Oct 17), Daniel Dias Gonçalves said:
Thanks Danny,
The patch work fine, but i have new problem:
Have two servers 7.0R with iscsi-2.1.
They are mounted the same directory way iSCSI. When I create an archive
inside of this directory in the server A, the server B don't
,
the problem is probably that iscsi is deadlocked, so fetch
ftp://ftp/users/danny/freebsd/iscsi-2.1.tar.gz
cd /usr/src
tar xpzf /path-to-tar-file/iscsi-2.1.tar.gz
(cd sys/modules/iscsi/initiator; make; make install)
(cd sbin/iscontrol;make; make install)
probably the safest is now to reboot
.
hi Daniel,
the problem is probably that iscsi is deadlocked, so fetch
ftp://ftp/users/danny/freebsd/iscsi-2.1.tar.gz
cd /usr/src
tar xpzf /path-to-tar-file/iscsi-2.1.tar.gz
(cd sys/modules/iscsi/initiator; make; make install)
(cd sbin/iscontrol;make; make install)
probably the safest is now
the problem is probably that iscsi is deadlocked, so fetch
ftp://ftp/users/danny/freebsd/iscsi-2.1.tar.gzs;/ftp/;/.cs.huji.ac.il;
ftp://ftp.cs.huji.ac.il/users/danny/freebsd/iscsi-2.1.tar.gz
Danny,
You typed the ftp wrong.
hi Daniel,
oh well, it was before coffee
I'm with a very strange problem in the FreeBSD 7.0R
I use the iscsi_initiator to mount two devices of a Dell MD3000i, the
file system is UFS.
The problem occurs when I make a copy of a great directory for inside of
the /data/email directory, passed some minutes of beginning of copy, the
SSH
Hello Danny,
Do you know if there is any problem with ISCSI initiator when using FreeBSD
version 6.x?
Thanks
Amir Tahmasebi
Technical Support
NorthSeas AMT
e-mail archiving without software
http://www.northseasamt.com/ http://www.NorthSeasAMT.com
155 Terence Matthews Cres
Amir Tahmasebi wrote:
Hello Danny,
Do you know if there is any problem with ISCSI initiator when using FreeBSD
version 6.x?
Thanks
I was able to backport the driver from 7 fairly easily. If there is
some interest, here is a small diff.
Simply copying the iscontrol from RELENG_7
Hi,
Craig Boston wrote:
On Wed, Sep 26, 2007 at 06:20:14PM +0200, Michael Reifenberger wrote:
That issue is fixed.
Just looked at netbsd-iscsi-20070908 and it does look fixed in that
version.
Actually the fix was in FreeBSD's /etc/services :) so it's not exactly fix.
I think
On Tue, Sep 25, 2007 at 06:19:30PM -0400, Mark Saad wrote:
Does anyone know off hand if this works in FreeBSD or NetBSD?
The last time (about 1.5 months ago) I tried the iSCSI target from
ports -- net/iscsi-target, it had some issues.
The first was that it didn't work with raw devices
On Wed, Sep 26, 2007 at 06:20:14PM +0200, Michael Reifenberger wrote:
That issue is fixed.
Just looked at netbsd-iscsi-20070908 and it does look fixed in that
version.
Thanks,
Craig
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Hi,
...
The other thing was that it was listening on a different port number
than the FreeBSD initiator was trying to connect to. For some reason
even though iscsi-target claims to have a -p option to specify the
port number, after reading the code it was clear that it doesn't
actually use
Are they any other target ports available ? Does Open-iSCSI work ?
Anyone working on it ?
Craig Boston wrote:
On Wed, Sep 26, 2007 at 06:20:14PM +0200, Michael Reifenberger wrote:
That issue is fixed.
Just looked at netbsd-iscsi-20070908 and it does look fixed in that
version.
Thanks
Hello Hackers
I was looking into setting up the Intel / NetBSD iSCSI Target port
on FreeBSD 6-STABLE . The first question I have is related to the use of
the iscsi target port on FreeBSD. In the original docs, bundled with the
Intel source, Intel had an example of setting up the target
My testing env is Vmware, the backend disks are new/empty.
Here's my testing result:
1. OpenBSD 4.1 with iscsi-target compiled (I can't find it in the
ports)
It support disk slice directly, I use /dev/sd1c.
2. NetBSD 4.0-current with iscsi-target in base OS
It support disk slice directly, I use
Hi
This port is from netbsd. I have test it, It is great.
I found it seems iscsi-target has to take a file instead of disk
devicek (eg. /dev/da1) as the target.
Below is my test result:
Starting iscsi_target.
Reading configuration from `/usr/local/etc/iscsi/targets'
target0:rw:0.0.0.0/0
Patrick Dung wrote:
It would be great if disk device can be used directly.
BTW, I have not yet test netbsd with raw disk.
seems someone test on openbsd and it seems working:
http://www.freebsdforums.org/forums/showthread.php?t=43960
Whole disk or slice? I don't think either works at this
On 16.03.2007, at 16:59, John Nielsen wrote:
A truly standalone iSCSI client will most likely want to use a TOE
card, which
to the OS looks like any other SCSI adapter. (I'm unsure which if
any such
cards are currently supported in FreeBSD, but that's a tangential
question
...
A truly standalone iSCSI client will most likely want to use a TOE
card, which
to the OS looks like any other SCSI adapter. (I'm unsure which if any
such
cards are currently supported in FreeBSD, but that's a tangential
question.)
I really doubt this. TOE iSCSI cards are quite
Hi,
Now that I have my hands on a server that can boot iSCSI,
I started to look into it. After figuring out what magic is needed
in the dhcpd.conf (just add option root-path iscsi:target-iptarget-name)
I can boot FreeBSD to the point that it can't find a root device, and
assuming
On Friday 16 March 2007 07:34, Danny Braniss wrote:
Hi,
Now that I have my hands on a server that can boot iSCSI,
I started to look into it. After figuring out what magic is needed
in the dhcpd.conf (just add option root-path
iscsi:target-iptarget-name) I can boot FreeBSD
Hi,
Now that I have my hands on a server that can boot iSCSI,
I started to look into it. After figuring out what magic is needed
in the dhcpd.conf (just add option root-path
iscsi:target-iptarget-name) I can boot FreeBSD to the point that it
can't find a root device, and assuming
On 16.03.2007, at 16:59, John Nielsen wrote:
A truly standalone iSCSI client will most likely want to use a TOE
card, which
to the OS looks like any other SCSI adapter. (I'm unsure which if
any such
cards are currently supported in FreeBSD, but that's a tangential
question.)
Maybe someone
On 3/16/07, Achim Patzner [EMAIL PROTECTED] wrote:
On 16.03.2007, at 16:59, John Nielsen wrote:
A truly standalone iSCSI client will most likely want to use a TOE
card, which
to the OS looks like any other SCSI adapter. (I'm unsure which if
any such
cards are currently supported in FreeBSD
, via fgetsock(...),
this increases the socket usage count, which I wrongly believed
would save me from the userland exiting. a call to fget(...) now solves
this, and so shutdown can now flush all iscsi buffers, and fsck'in is not
necesary
on reboot.
danny
Scott
flushed to the spindles properly. All the usual horror scenarios
with a broken battery backup of the cache and a powerfailure etc apply here.
Wilko
I forget, does iSCSI have a concept of a flush_cache command, or the
equivalent of what parallel SCSI does with ordered tags? If so, then
that's
Danny Braniss wrote:
I forget, does iSCSI have a concept of a flush_cache command, or the
equivalent of what parallel SCSI does with ordered tags?
not realy - or I can't find it. iSCSI is mainly and envelope for
scsi commands, so whatever the CAM does, it will pass it on.
There are some
only assume that the RAID box' cache
will get flushed to the spindles properly. All the usual horror scenarios
with a broken battery backup of the cache and a powerfailure etc apply here.
Wilko
I forget, does iSCSI have a concept of a flush_cache command, or the
equivalent of what
On Tue, Jan 09, 2007 at 09:06:46AM +0200, Danny Braniss wrote:
Hi,
While I think I have almost solved the problem of network disconnects,
It downed on me a major problem:
When a 'local' disk crashes, the kernel will probably hang/panic/crash.
if i don't try to recover, then there is no change
--s/l3CgOIzMHHjg/5
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Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable
On Tue, Jan 09, 2007 at 09:06:46AM +0200, Danny Braniss wrote:
Hi,
While I think I have almost solved the problem of network disconnects,
It downed
On Fri, Jan 12, 2007 at 09:31:04PM +0200, Danny Braniss wrote..
--s/l3CgOIzMHHjg/5
Content-Type: text/plain; charset=iso-8859-2
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable
On Tue, Jan 09, 2007 at 09:06:46AM +0200, Danny Braniss wrote:
Hi,
While I
- rebooting the target, a
network hickup, etc.
So, any ideas?
I think that an iSCSI network disconnect (if handled properly) is more like a
bad/flakey set of sectors and/or extremely high latency than a total disk
crash. The initiator should stall as long as it can while trying to reconnect
). The purpose of that feature is that you can
change the topology (e.g. remove a device that's not at
the end of the bus) without having to unmount all other
devices.
Well, it's just a hack, and I don't know if something
similar is applicable to the iSCSI situation. But I
thought it wouldn't hurt
Forwarding a relevant comment from a parallel discussion on -questions.
-- Forwarded Message --
Subject: Re: iSCSI
Date: Tuesday 09 January 2007 11:35
From: Dan Nelson [EMAIL PROTECTED]
To: DAve [EMAIL PROTECTED]
Cc: Free BSD Questions list freebsd-questions@freebsd.org
John Nielsen wrote:
I don't know how
graceful the failure case is (perhaps not very)...
Not at all - removing a mounted USB device panics the kernel.
signature.asc
Description: OpenPGP digital signature
Hi,
While I think I have almost solved the problem of network disconnects,
It downed on me a major problem:
When a 'local' disk crashes, the kernel will probably hang/panic/crash.
if i don't try to recover, then there is no change in the above scenario.
if i try to recover, then the client does
Danny Braniss wrote:
hi,
I'm trying to finish up the iSCSI initiator,
and need some advice. To shutdown the initiator, I
need to:
1- close down the CAM-peripherals, (ie da)
2- empty up all pending iSCSI transactions
3- close the tcp connection
2 3 I can handle
hi,
I'm trying to finish up the iSCSI initiator,
and need some advice. To shutdown the initiator, I
need to:
1- close down the CAM-peripherals, (ie da)
2- empty up all pending iSCSI transactions
3- close the tcp connection
2 3 I can handle, it's 1 that im stuck.
Q
On Thu, Oct 19, 2006 at 02:14:41AM +0200, Max Laier wrote:
On Thursday 19 October 2006 00:35, Ceri Davies wrote:
Could anyone please let me know the status of the iSCSI initiator that
was floated here some time ago? Is it in a commitable state and, if
not, can I help with testing (we have
Could anyone please let me know the status of the iSCSI initiator that
was floated here some time ago? Is it in a commitable state and, if
not, can I help with testing (we have some Netware targets)?
Ceri
--
That must be wonderful! I don't understand it at all
On Thursday 19 October 2006 00:35, Ceri Davies wrote:
Could anyone please let me know the status of the iSCSI initiator that
was floated here some time ago? Is it in a commitable state and, if
not, can I help with testing (we have some Netware targets)?
ftp://ftp.cs.huji.ac.il/users/danny
Danny Braniss wrote:
Hi,
on a fairly new 6.1-stable, and probably before, once in a
blue moon, sendto return error 64 (EHOSTDOWN?). but the packet seems to have
been received by the target, since i get a response, and further more,
everything keeps on working.
what is error
Hi,
on a fairly new 6.1-stable, and probably before, once in a
blue moon, sendto return error 64 (EHOSTDOWN?). but the packet seems to have
been received by the target, since i get a response, and further more,
everything keeps on working.
what is error 64?
danny
Danny Braniss wrote:
Hi,
on a fairly new 6.1-stable, and probably before, once in a
blue moon, sendto return error 64 (EHOSTDOWN?). but the packet seems to have
been received by the target, since i get a response, and further more,
everything keeps on working.
what is error 64?
danny
Danny Braniss wrote:
Hi,
on a fairly new 6.1-stable, and probably before, once in a
blue moon, sendto return error 64 (EHOSTDOWN?). but the packet seems to have
been received by the target, since i get a response, and further more,
everything keeps on working.
what is error
Danny Braniss wrote:
Danny Braniss wrote:
Hi,
on a fairly new 6.1-stable, and probably before, once in a
blue moon, sendto return error 64 (EHOSTDOWN?). but the packet seems to have
been received by the target, since i get a response, and further more,
everything keeps on working.
:
most important is recovery after a network disconnect.
the source is in:
ftp://ftp.cs.huji.ac.il/users/danny/freebsd/iscsi-12.tar.bz2
danny
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All,
there was a posting from Danny Braniss in February with title
iSCSI initiator driver beta version, testers wanted
can someone please point me to the source. I would be very interessted in
running some tests.
-Andreas
--
Weitersagen: GMX DSL-Flatrates mit Tempo-Garantie!
Ab 4,99
All,
there was a posting from Danny Braniss in February with title
iSCSI initiator driver beta version, testers wanted
can someone please point me to the source. I would be very interessted in
running some tests.
-Andreas
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- Original Message -
From: Justin Bennett [EMAIL PROTECTED]
To: FreeBSD Hackers freebsd-hackers@freebsd.org
Cc: FreeBSD Questions freebsd-questions@freebsd.org
Sent: Monday, April 04, 2005 5:30 PM
Subject: iSCSI (revisited?)
All,
I was wondering what people thought of iSCSI
All,
I was wondering what people thought of iSCSI and FreeBSD. Is it a viable
option for creating SANs?
refrase question.
I want to move away from tape backups, and have numerous production
FreeBSD machines that I need to back up data from.
for one, it depends on how deep are your
Justin Bennett wrote:
All,
I was wondering what people thought of iSCSI and FreeBSD. Is it a
viable option for creating SANs?
I want to move away from tape backups, and have numerous production
FreeBSD machines that I need to back up data from.
Any other ideas for a disk to disk backup
All,
I was wondering what people thought of iSCSI and FreeBSD. Is it a viable
option for creating SANs?
I want to move away from tape backups, and have numerous production
FreeBSD machines that I need to back up data from.
Any other ideas for a disk to disk backup solution that people have
below).
This is 5.4-PRE running under vmware. I had a panic with 5.3-RELEASE
as well (but no trace).
Anything I can do to help, I have some spare time.
greetings,
Ruben
FreeBSD 5.4-PRERELEASE (DBG) #0: Wed Mar 16 01:28:18 UTC 2005
x226220# kldload iscsi
iscsi_kld_start: iscsi start
ic_action
things are looking much better 2day, got tag queuing to work, and now it's
much faster.
Q: how can the driver tell the cam to enable queing (ie: camcontrol tag 0:0:0
-Nn), and
Q: is there a rule of thumb as to how many tag'ed?
thanks,
danny
PS: soon there will be a new beta, any news
tag'ed?
When you call cam_sim_alloc(), there are arguments for how many
concurrent tagged and untagged transactions the driver can handle.
I don't know how tags work in iscsi, so I can't say what a good
number is here. Note that tag management is left completely up
to the driver; CAM will tell you
= PI_TAG_ABLE
Q: is there a rule of thumb as to how many tag'ed?
When you call cam_sim_alloc(), there are arguments for how many
concurrent tagged and untagged transactions the driver can handle. I
don't know how tags work in iscsi, so I can't say what a good number
is here. Note that tag
Danny Braniss wrote:
well, i guess all is ok, since im not getting much feedback :-)
anyways, this is my new problem:
o- the target accepts the login, but does not supply a valid device, usually
because some admin. problem. I would like to be able to report the problem
to the initiator and I
Danny Braniss wrote:
well, i guess all is ok, since im not getting much feedback :-)
anyways, this is my new problem:
o- the target accepts the login, but does not supply a valid device, usually
because some admin. problem. I would like to be able to report the
problem
to the
to get the initiator working, and up to speed, after that
i might try and tackle the target, but though there is alot of symmetry, there is
much more administrativia involved.
I'd help you test, but I have no iscsi targets to test against :)
Eirc
well, i guess all is ok, since im not getting much feedback :-)
anyways, this is my new problem:
o- the target accepts the login, but does not supply a valid device, usually
because some admin. problem. I would like to be able to report the problem
to the initiator and I need some clues. The
hi,
drop me a line if you are willing/interested in trying out the
iSCSI initiator driver. Also if you are willing to just look at it
and provide some feedback.
So far I have tested it against: NetAPP, Intransa and Linux, so if
you have other targets it would help.
BTW, I've been using 5.3
let me start by a local saying:
Q- What's a camel
A- It's a horse designed by a committee.
BTW, the camel is a very efficient piece of equipment.
If I would plan a 24/7 life support system I would not use iSCSI.
(having to rely on packets traveling the Internet, DOS, etc
hi all,
is there any interest/progress with SCSI over IP?
I am asking because our NetApp is supposed to support it, and the other
approach, FiberChannel/EMC seems 'slightly' expensive.
thanks,
danny
PS: all our servers are running Freebsd 4.[8-9] with great success
On Fri, 7 Nov 2003, Danny Braniss wrote:
DBhi all,
DB is there any interest/progress with SCSI over IP?
DBI am asking because our NetApp is supposed to support it, and the other
DBapproach, FiberChannel/EMC seems 'slightly' expensive.
DB
DBthanks,
DB danny
DBPS: all our servers are
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