Re: [OpenIndiana-discuss] cryptic device naming?

2010-11-21 Thread Roy Sigurd Karlsbakk
- Original Message -
 On 19/11/10 05:47 AM, Roy Sigurd Karlsbakk wrote:
  Tried that - told me no card found. Seems it doesn't support the
  LSI SAS2 card
 
 search for sas2ircu instead.

I tried that, but I can't find an option to change device order:

LSI Corporation SAS2 IR Configuration Utility.
Version 5.00.00.00 (2010.02.09) 
Copyright (c) 2009 LSI Corporation. All rights reserved. 

SAS2IRCU: Invalid command specified.
  sas2ircu controller # command parameters ...
where controller # is:
  Number between 0 and 255
where command is:
  DISPLAY- display controller, volume and physical device info
  LIST   - Lists all available LSI adapters (does not need ctlr #
  CREATE - create an IR volume
  DELETE - set controller configuration to factory defaults
  HOTSPARE   - make drive a hot spare
  STATUS - display current volume status info
  CONSTCHK   - Start Consistency Check operation on the specified IR Volume
  ACTIVATE   - Activate an Inactive IR volume
  LOCATE - Locate a disk drive on an enclosure
  LOGIR  - Upload or Clear IR Log data
  BOOTIR - Select an IR Boot Volume as primary boot device
  BOOTENCL   - Select an Enclosure/Bay as primary boot device
where parameters are:
  Command specific values; enter sas2ircu controller # command
  to get command specific help


Vennlige hilsener / Best regards

roy
--
Roy Sigurd Karlsbakk
(+47) 97542685
r...@karlsbakk.net
http://blogg.karlsbakk.net/
--
I all pedagogikk er det essensielt at pensum presenteres intelligibelt. Det er 
et elementært imperativ for alle pedagoger å unngå eksessiv anvendelse av 
idiomer med fremmed opprinnelse. I de fleste tilfeller eksisterer adekvate og 
relevante synonymer på norsk.

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Re: [OpenIndiana-discuss] [oi-dev] [illumos-Developer] OpenIndiana and illumos, part 2

2010-11-21 Thread Michael Stapleton
Very nice Gabriel. 

I for one would be happy to share a beer with you or anyone else who is
on this list for that matter. I think it's safe to say that anyone one
who is on this list is a little special. I think it's also safe to say
that we all share a common desire to see this great OS continue to be
so. Considering what has happed to OpenSolaris and SUN, It's
understandable and forgivable for one to become frustrated and
defensive. I certainly feel that way at times. 



Mike

P.S.

Yes, the word special can be interpreted in many ways, and they
probably all somewhat apply. ;-)





On Sun, 2010-11-21 at 16:19 +0200, Gabriel de la Cruz wrote:

 Dear Mr Christopher Chan
 
 Different points of view, remarks, or complains of any short from person to
 person shouldn't be understood as serious faults to the honor of anyone, as
 long as we do not involve insults. In my opinion all wounds from the
 previous fire should be now cured, and I honestly don't think the current
 thread even points out to the past.
 For whatever that might have cause disturbance for you, I should apologize.
 After analyzing the situation for some time I would like to highlight the
 possibility of cultural or interdisciplinary misunderstandings in the
 back-end of the current conflict. Probably we are misunderstanding certain
 responses as more insulting than what they really are for the one expressing
 them. It is obvious that we talk the same language, but probably we are
 missing the real meaning of things. In Europe the use of irony is very
 frequent, for example French are specially difficult in that sense, they
 could spend the whole day throwing subliminal irony over you and still be
 your best friends. And yes they complain, all the time, for everything. If a
 french guy mocks at you by twisting the nicest poetry, you are not supposed
 to get angry but probably you are expected to pay back, but always between
 the lines, not really fighting back. Another example all the way around
 could be expressions like; chéng zhǎng, if translated as grow up could
 be pretty humiliating at some places in Europe, while is not as harsh if you
 read it in Chinese.
 I meet daily with designers and we appreciate non sense commentaries as it
 is efficient while brainstorming, as well we like the conversations to be
 free from any form of censorship or even moderation as may things could
 otherwise just vanish.
 The relationship with respect and figures of authority are not the same all
 around the world, I never had the pleasure to visit Hong Kong, but I can
 share some curiosities from the time I was living in Beijing; I remember I
 was hanging around Renmin University during a whole summer, I was meeting
 daily one of the persons who were coordinating the foreign students, as I
 was joining some interesting lectures and excursions just because of my own
 interest. That person asumed I was student because of the fact I was meeting
 regularly with the group of Finnish students, and kept all the way treating
 me with a very official attitude, he was sweating under the sun with me but
 kept all the time a perfectly correct manners, not even showing he needed
 water.  But one of those extremely hot days, he realized I was a faculty
 member, not a student, so he suddenly relaxed completely down and was
 finally able to enjoy the time together. He didn't need to show his position
 anymore... We had quite much better time after this moment. This might seem
 very normal for a chinese, but to me it was all a discovery!. Probably I
 have been mistreating my Chinese student for years, treating him as if he
 was just my self..
 What I came to say is, we are very different, I do not think there is bad
 intention anywhere in this list, people complains when they have to, but
 within some limits. Respect does not take the same form everywhere, we
 should just apply a *presumption of innocence* concept, no one is guilty
 unless we can prove something else.
 
 If you were around the corner, I would invite you for a beer, what is in my
 terms certain form of honor.
 
 All the best
 Gabriel
 
 
 
 
 
 
 
 
 
 
 
 
 On Sun, Nov 21, 2010 at 11:38 AM, Christopher Chan 
 christopher.c...@bradbury.edu.hk wrote:
 
  On Saturday, November 20, 2010 05:40 PM, Jose-Marcio Martins da Cruz wrote:
 
  Christopher Chan wrote:
 
  On Saturday, November 20, 2010 07:56 AM, Gary wrote:
 
 
 
  I'm replying to this thread here instead of on the developer lest
  someone issue me a netiquette citation for being off topic. How do you
  quantify something like that? Even if you have some industry confirmed
  sales numbers comparable to IDC tracking desktop PC and notebook
  sales, how do you figure out just how many users a server has
  regardless of its operating system? Does a web server have a half
  dozen users because there are two sysadmins, two content providers,
  and two developers? Or does it have 10 million unique visitors every
  day and therefore have ten million and six 

Re: [OpenIndiana-discuss] [oi-dev] [illumos-Developer] OpenIndiana and illumos, part 2

2010-11-21 Thread Gabriel de la Cruz
Your last argument could be only refuted by Monty Python, when Brian states:
We are all different... everybody agrees but a guy from the back rises the
hand and answers not me. Everyone else is special but that guy.

Cheers

On Sun, Nov 21, 2010 at 6:28 PM, Michael Stapleton 
michael.staple...@techsologic.com wrote:

 Very nice Gabriel.

 I for one would be happy to share a beer with you or anyone else who is
 on this list for that matter. I think it's safe to say that anyone one
 who is on this list is a little special. I think it's also safe to say
 that we all share a common desire to see this great OS continue to be
 so. Considering what has happed to OpenSolaris and SUN, It's
 understandable and forgivable for one to become frustrated and
 defensive. I certainly feel that way at times.



 Mike

 P.S.

 Yes, the word special can be interpreted in many ways, and they
 probably all somewhat apply. ;-)





 On Sun, 2010-11-21 at 16:19 +0200, Gabriel de la Cruz wrote:

  Dear Mr Christopher Chan
 
  Different points of view, remarks, or complains of any short from person
 to
  person shouldn't be understood as serious faults to the honor of anyone,
 as
  long as we do not involve insults. In my opinion all wounds from the
  previous fire should be now cured, and I honestly don't think the current
  thread even points out to the past.
  For whatever that might have cause disturbance for you, I should
 apologize.
  After analyzing the situation for some time I would like to highlight the
  possibility of cultural or interdisciplinary misunderstandings in the
  back-end of the current conflict. Probably we are misunderstanding
 certain
  responses as more insulting than what they really are for the one
 expressing
  them. It is obvious that we talk the same language, but probably we are
  missing the real meaning of things. In Europe the use of irony is very
  frequent, for example French are specially difficult in that sense, they
  could spend the whole day throwing subliminal irony over you and still be
  your best friends. And yes they complain, all the time, for everything.
 If a
  french guy mocks at you by twisting the nicest poetry, you are not
 supposed
  to get angry but probably you are expected to pay back, but always
 between
  the lines, not really fighting back. Another example all the way around
  could be expressions like; chéng zhǎng, if translated as grow up
 could
  be pretty humiliating at some places in Europe, while is not as harsh if
 you
  read it in Chinese.
  I meet daily with designers and we appreciate non sense commentaries as
 it
  is efficient while brainstorming, as well we like the conversations to be
  free from any form of censorship or even moderation as may things could
  otherwise just vanish.
  The relationship with respect and figures of authority are not the same
 all
  around the world, I never had the pleasure to visit Hong Kong, but I can
  share some curiosities from the time I was living in Beijing; I remember
 I
  was hanging around Renmin University during a whole summer, I was meeting
  daily one of the persons who were coordinating the foreign students, as I
  was joining some interesting lectures and excursions just because of my
 own
  interest. That person asumed I was student because of the fact I was
 meeting
  regularly with the group of Finnish students, and kept all the way
 treating
  me with a very official attitude, he was sweating under the sun with me
 but
  kept all the time a perfectly correct manners, not even showing he needed
  water.  But one of those extremely hot days, he realized I was a faculty
  member, not a student, so he suddenly relaxed completely down and was
  finally able to enjoy the time together. He didn't need to show his
 position
  anymore... We had quite much better time after this moment. This might
 seem
  very normal for a chinese, but to me it was all a discovery!. Probably I
  have been mistreating my Chinese student for years, treating him as if he
  was just my self..
  What I came to say is, we are very different, I do not think there is bad
  intention anywhere in this list, people complains when they have to, but
  within some limits. Respect does not take the same form everywhere, we
  should just apply a *presumption of innocence* concept, no one is guilty
  unless we can prove something else.
 
  If you were around the corner, I would invite you for a beer, what is in
 my
  terms certain form of honor.
 
  All the best
  Gabriel
 
 
 
 
 
 
 
 
 
 
 
 
  On Sun, Nov 21, 2010 at 11:38 AM, Christopher Chan 
  christopher.c...@bradbury.edu.hk wrote:
 
   On Saturday, November 20, 2010 05:40 PM, Jose-Marcio Martins da Cruz
 wrote:
  
   Christopher Chan wrote:
  
   On Saturday, November 20, 2010 07:56 AM, Gary wrote:
  
  
  
   I'm replying to this thread here instead of on the developer lest
   someone issue me a netiquette citation for being off topic. How do
 you
   quantify something like that? Even if 

Re: [OpenIndiana-discuss] List Downtime

2010-11-21 Thread Sevan / Venture37
On 20 November 2010 01:28, Sevan / Venture37 ventur...@gmail.com wrote:
 Hiya,
 Just to let you know, the mailing list will be down for a short while
 between 8 to 9pm GMT this Sunday (21st).

Everything should be back to normal again.
I think :)

Sevan

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[OpenIndiana-discuss] zpool command: some questions.

2010-11-21 Thread Anthony Renaud
I am not sure of the consequences of the following zpool command:

zpool create mypool /dev/dsk/c5t0d0p2

(c5t0d0p2 is where I have the unbootable OpenSolaris partition from where I 
want to recover some files)

Does it prepare the partition for the mount commands?Or does it erase and 
format the partition?

Or is it better to use: zpool import ? and after:

zfs set mountpoint=legacy mypool
mount -F zfs mypool /mnt



  
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Re: [OpenIndiana-discuss] zpool command: some questions.

2010-11-21 Thread Andrew Gabriel

Anthony Renaud wrote:

I am not sure of the consequences of the following zpool command:

zpool create mypool /dev/dsk/c5t0d0p2


It turns the second primary FDISK partition on that disk into a zpool.


(c5t0d0p2 is where I have the unbootable OpenSolaris partition from where I 
want to recover some files)


It's not clear from what you've said if that was a root zpool from what 
you've said, or some other zpool. zfs root pools have to be on a slice 
which is part of an SMI labeled partition (on x86). The device name for 
that will end in s0, not p2. If it wasn't a root pool, then it depends 
how you created it.



Does it prepare the partition for the mount commands?Or does it erase and 
format the partition?


Effectively, erase and format.


Or is it better to use: zpool import ?


Yes.


and after:

zfs set mountpoint=legacy mypool
mount -F zfs mypool /mnt


Can't think why you'd want to do that.

--
Andrew

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Re: [OpenIndiana-discuss] [oi-dev] [illumos-Developer] OpenIndiana and illumos, part 2

2010-11-21 Thread Christopher Chan

On Monday, November 22, 2010 04:11 AM, Gary wrote:

On Sun, Nov 21, 2010 at 6:09 AM, Jose-Marcio Martins da Cruz wrote:


There are two kind of innovations : some which is the rewrite of something
which where already exists elsewhere (e.g. zfs under FreeBSD), and,


I actually tried looking at that for a short time -- is it any good?
How about the port to NetBSD? We're using NexentaStor licensed and
community editions in production but I was merely trying to learn what
features of ZFS they've implemented (not counting the newest ones
found only in Solaris Express 11). It looks like the Wikipedia entry
is fairly current as I haven't looked at it in a while.


FreeBSD's performance is way under par according to testing by 
zfsbuilds. But the FreeBSD guys claim old distro because FreeNAS was 
based on an older FreeBSD release then current so ymmv.






For the moment, Illumos has one one distrib : OpenIndiana.
The main goal now shall be to survive.


AFAIK, SchilliX is thus far the only distribution based on Illumos as
work to build OI on Illumos is still in progress.


But I hope OpenIndiana and Illumos will find the way to cooperate and create
a very good OS.


Hear, hear!



+1

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Re: [OpenIndiana-discuss] [oi-dev] [illumos-Developer] OpenIndiana and illumos, part 2

2010-11-21 Thread Christopher Chan

On Sunday, November 21, 2010 10:19 PM, Gabriel de la Cruz wrote:

Dear Mr Christopher Chan

Different points of view, remarks, or complains of any short from person to
person shouldn't be understood as serious faults to the honor of anyone, as
long as we do not involve insults. In my opinion all wounds from the
previous fire should be now cured, and I honestly don't think the current
thread even points out to the past.


I just lost context because I treated Gary's post here as a new thread. 
I did not realize Jose was ranting about Garrett's displeasure with the 
current state of affairs. Hence why I said what seems to be a 
sarcastic because it, by itself, is not sarcastic but if coupled with 
the rant, it could be but I was not sure. I am sure you would have 
noticed that I was just trying to feel Jose out.




For whatever that might have cause disturbance for you, I should apologize.
After analyzing the situation for some time I would like to highlight the
possibility of cultural or interdisciplinary misunderstandings in the
back-end of the current conflict. Probably we are misunderstanding certain
responses as more insulting than what they really are for the one expressing
them. It is obvious that we talk the same language, but probably we are
missing the real meaning of things. In Europe the use of irony is very
frequent, for example French are specially difficult in that sense, they
could spend the whole day throwing subliminal irony over you and still be
your best friends. And yes they complain, all the time, for everything. If a
french guy mocks at you by twisting the nicest poetry, you are not supposed
to get angry but probably you are expected to pay back, but always between
the lines, not really fighting back. Another example all the way around
could be expressions like; chéng zhǎng, if translated as grow up could
be pretty humiliating at some places in Europe, while is not as harsh if you
read it in Chinese.


Just for your information, I maybe ethnic Chinese physically but I sure 
am not Chinese. I understand quite clearly what 'Grow up!' implies and I 
have absolutely no idea what 'cheng zhang' means or rather I can only 
guess at what the equivalent of 'cheng' would be in Cantonese but I am 
completely lost about 'zhang'. You could say that I am more African than 
I am Chinese even though I have spent the last twenty or so years in 
Hong Kong.




I meet daily with designers and we appreciate non sense commentaries as it
is efficient while brainstorming, as well we like the conversations to be
free from any form of censorship or even moderation as may things could
otherwise just vanish.


You may have noticed that I specifically said we cannot have Jose or 
anybody else keeping their mouths shut when they have something to say.




The relationship with respect and figures of authority are not the same all
around the world, I never had the pleasure to visit Hong Kong, but I can
share some curiosities from the time I was living in Beijing; I remember I
was hanging around Renmin University during a whole summer, I was meeting
daily one of the persons who were coordinating the foreign students, as I
was joining some interesting lectures and excursions just because of my own
interest. That person asumed I was student because of the fact I was meeting
regularly with the group of Finnish students, and kept all the way treating
me with a very official attitude, he was sweating under the sun with me but
kept all the time a perfectly correct manners, not even showing he needed
water.  But one of those extremely hot days, he realized I was a faculty
member, not a student, so he suddenly relaxed completely down and was
finally able to enjoy the time together. He didn't need to show his position
anymore... We had quite much better time after this moment. This might seem
very normal for a chinese, but to me it was all a discovery!. Probably I
have been mistreating my Chinese student for years, treating him as if he
was just my self..


I have no idea what 'mainland' Chinese thinking is like but I daresay 
that in some (most?) respects it would be way better than the 
narrow-mindedness of a good portion of the local Hong Kong population 
(local Chinese and Pakistani communities especially - strange that they 
also invariably make up the poorer sections of Hong Kong) except for 
maybe certain community etiquette like queuing up for a bus.




What I came to say is, we are very different, I do not think there is bad
intention anywhere in this list, people complains when they have to, but
within some limits. Respect does not take the same form everywhere, we
should just apply a *presumption of innocence* concept, no one is guilty
unless we can prove something else.

If you were around the corner, I would invite you for a beer, what is in my
terms certain form of honor.



Thanks, I know that one and I would heartily accept if you were here but 
with a glass of wine as I get beer rashes. (We are very 

[OpenIndiana-discuss] find size of raw disks

2010-11-21 Thread Harry Putnam
Is there some way to determine the size of disks discovered with
`format'

An attempt to create a 2 disk mirror failed with the message that the
disks were different sizes, but I thought they were the same size... I
must have used the wrong identifier for one of the disks... so to find
the matching disk how can I tell what size the discs turned up by
format are?


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Re: [OpenIndiana-discuss] find size of raw disks

2010-11-21 Thread McBofh

On 22/11/10 01:44 PM, Harry Putnam wrote:

Is there some way to determine the size of disks discovered with
`format'

An attempt to create a 2 disk mirror failed with the message that the
disks were different sizes, but I thought they were the same size... I
must have used the wrong identifier for one of the disks... so to find
the matching disk how can I tell what size the discs turned up by
format are?




$ pfexec format
Searching for disks...done


AVAILABLE DISK SELECTIONS:
   0. c3t4d0 ATA-ST3320620AS-Dcyl 38910 alt 2 hd 255 sec 63
  /p...@0,0/pci10de,3...@a/pci1000,3...@0/s...@4,0
   1. c3t6d0 ATA-ST3320620AS-Kcyl 38910 alt 2 hd 255 sec 63
  /p...@0,0/pci10de,3...@a/pci1000,3...@0/s...@6,0
   2. c5t5000C500204C9482d0 ATA-ST31000528AS   -CC38 cyl 60797 alt 2 hd 
255 sec 126
  /scsi_vhci/d...@g5000c500204c9482
   3. c5t5000C500205E77DBd0 ATA-ST31000528AS   -CC38 cyl 60797 alt 2 hd 
255 sec 126
  /scsi_vhci/d...@g5000c500205e77db
   4. c5t5000CCA35DE9C580d0 ATA-Hitachi HDS7210-A3EA cyl 60797 alt 2 hd 
255 sec 126
  /scsi_vhci/d...@g5000cca35de9c580
   5. c5t5000CCA35DEA1ED5d0 ATA-Hitachi HDS7210-A3EA cyl 60797 alt 2 hd 
255 sec 126
  /scsi_vhci/d...@g5000cca35dea1ed5
   6. c5t5000CCA00510A7CCd0 HITACHI-HUS1514SBSUN146-SA02 cyl 17826 alt 2 hd 
255 sec 63
  /scsi_vhci/d...@g5000cca00510a7cc
   7. c5t50024E90037AF38Cd0 ATA-SAMSUNG HD103SJ-0001 cyl 60797 alt 2 hd 
255 sec 126
  /scsi_vhci/d...@g50024e90037af38c
   8. c5t50024E90037AF390d0 ATA-SAMSUNG HD103SJ-0001 cyl 60797 alt 2 hd 
255 sec 126
  /scsi_vhci/d...@g50024e90037af390
   9. c6t0d0 drive type unknown
  /p...@0,0/pci108e,6...@2,1/h...@6/h...@1/stor...@1/d...@0,0
  10. c6t0d1 drive type unknown
  /p...@0,0/pci108e,6...@2,1/h...@6/h...@1/stor...@1/d...@0,1



It's mostly the cylinder numbers that you need to watch out for.
If you have devices with the same claimed manufacturer size but
different geometry, I'd create a slice of the maximum size on the
smaller disk, then create a slice with the same number of cylinders
on the larger disk, and then mirror those two slices.


McB


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Re: [OpenIndiana-discuss] find size of raw disks

2010-11-21 Thread Harry Putnam
McBofh james.c.mcpher...@gmail.com writes:

 On 22/11/10 01:44 PM, Harry Putnam wrote:
 Is there some way to determine the size of disks discovered with
 `format'

 An attempt to create a 2 disk mirror failed with the message that the
 disks were different sizes, but I thought they were the same size... I
 must have used the wrong identifier for one of the disks... so to find
 the matching disk how can I tell what size the discs turned up by
 format are?



 $ pfexec format
 Searching for disks...done


 AVAILABLE DISK SELECTIONS:
0. c3t4d0 ATA-ST3320620AS-Dcyl 38910 alt 2 hd 255 sec 63
   /p...@0,0/pci10de,3...@a/pci1000,3...@0/s...@4,0
1. c3t6d0 ATA-ST3320620AS-Kcyl 38910 alt 2 hd 255 sec 63
   /p...@0,0/pci10de,3...@a/pci1000,3...@0/s...@6,0
2. c5t5000C500204C9482d0 ATA-ST31000528AS   -CC38 cyl 60797 alt 2 
 hd 255 sec 126
   /scsi_vhci/d...@g5000c500204c9482
3. c5t5000C500205E77DBd0 ATA-ST31000528AS   -CC38 cyl 60797 alt 2 
 hd 255 sec 126
   /scsi_vhci/d...@g5000c500205e77db
4. c5t5000CCA35DE9C580d0 ATA-Hitachi HDS7210-A3EA cyl 60797 alt 2 
 hd 255 sec 126
   /scsi_vhci/d...@g5000cca35de9c580
5. c5t5000CCA35DEA1ED5d0 ATA-Hitachi HDS7210-A3EA cyl 60797 alt 2 
 hd 255 sec 126
   /scsi_vhci/d...@g5000cca35dea1ed5
6. c5t5000CCA00510A7CCd0 HITACHI-HUS1514SBSUN146-SA02 cyl 17826 alt 2 
 hd 255 sec 63
   /scsi_vhci/d...@g5000cca00510a7cc
7. c5t50024E90037AF38Cd0 ATA-SAMSUNG HD103SJ-0001 cyl 60797 alt 2 
 hd 255 sec 126
   /scsi_vhci/d...@g50024e90037af38c
8. c5t50024E90037AF390d0 ATA-SAMSUNG HD103SJ-0001 cyl 60797 alt 2 
 hd 255 sec 126
   /scsi_vhci/d...@g50024e90037af390
9. c6t0d0 drive type unknown
   /p...@0,0/pci108e,6...@2,1/h...@6/h...@1/stor...@1/d...@0,0
   10. c6t0d1 drive type unknown
   /p...@0,0/pci108e,6...@2,1/h...@6/h...@1/stor...@1/d...@0,1



 It's mostly the cylinder numbers that you need to watch out for.
 If you have devices with the same claimed manufacturer size but
 different geometry, I'd create a slice of the maximum size on the
 smaller disk, then create a slice with the same number of cylinders
 on the larger disk, and then mirror those two slices.

Thanks... very helpful.  I noticed though that once a disk is formatted
or put into a zpool the cyl no. is no longer given, but then the size
is shown

I did also find a diffeent answer too.

`iostat -En '  Appears to give both the names and the sizes.  But
not sure it would still be useful in the case you describe.


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[OpenIndiana-discuss] When adding a mirror disk to rpool

2010-11-21 Thread Harry Putnam
I'm about to create a mirror to rpool that currently is a single
disk.  I remember it being somewhat more involved than any other pool
for adding a mirror.

Involving the boot bits and running grub... maybe other stuff as well.

I wondered if anyone has a URL where I might read about the procedure,
or failing that can anyone provide a general outline of steps that
need to be taken.


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Re: [OpenIndiana-discuss] find size of raw disks

2010-11-21 Thread Chris Ridd

On 22 Nov 2010, at 04:14, Harry Putnam wrote:

 McBofh james.c.mcpher...@gmail.com writes:
 
 It's mostly the cylinder numbers that you need to watch out for.
 If you have devices with the same claimed manufacturer size but
 different geometry, I'd create a slice of the maximum size on the
 smaller disk, then create a slice with the same number of cylinders
 on the larger disk, and then mirror those two slices.
 
 Thanks... very helpful.  I noticed though that once a disk is formatted
 or put into a zpool the cyl no. is no longer given, but then the size
 is shown

Once they've got EFI labels, that's the format (sic) you get IIRC. Does prtvtoc 
help?

I thought ZFS was nowadays able to copy with mirroring identical disks which 
differed by a number of blocks.

Cheers,

Chris



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